diff options
97 files changed, 4294 insertions, 15547 deletions
@@ -1,7 +1,36 @@ -build*/ -compile_commands.json +**/build*/ .cache/ +compile_commands.json +subprojects/c89atomic.wrap +subprojects/glfw3.wrap +subprojects/glfw3/ +subprojects/glm.wrap +subprojects/glm/ +subprojects/janus/ +subprojects/json/ +subprojects/libakiyo +subprojects/libakiyo/ +subprojects/libalabaster +subprojects/libalabaster/ +subprojects/libev.wrap +subprojects/liblfds.wrap +subprojects/lz4/ +subprojects/s3tc-dxt-decompression/ +subprojects/stb/ +subprojects/stela +subprojects/stela/ +subprojects/wlr-protocols.wrap +taro/subprojects/c89atomic.wrap +taro/subprojects/jansson.wrap +taro/subprojects/jansson/ +taro/subprojects/libakiyo +taro/subprojects/libakiyo/ +taro/subprojects/libcurl.wrap +taro/subprojects/libcurl/ +taro/subprojects/libev.wrap +taro/subprojects/liblfds.wrap +taro/subprojects/notcurses/ +taro/subprojects/stela +taro/subprojects/stela/ +taro/subprojects/wlr-protocols.wrap workshop_wallpapers*/ -subprojects/lz4/static/ -subprojects/lz4/include/ -subprojects/lz4/source/ diff --git a/.gitmodules b/.gitmodules deleted file mode 100644 index 21a3f68..0000000 --- a/.gitmodules +++ /dev/null @@ -1,9 +0,0 @@ -[submodule "subprojects/json"] - path = subprojects/json - url = https://github.com/nlohmann/json.git -[submodule "subprojects/glm"] - path = subprojects/glm - url = https://github.com/g-truc/glm.git -[submodule "subprojects/glfw"] - path = subprojects/glfw - url = https://github.com/glfw/glfw.git diff --git a/flake.lock b/flake.lock new file mode 100644 index 0000000..1b26b9a --- /dev/null +++ b/flake.lock @@ -0,0 +1,61 @@ +{ + "nodes": { + "flake-utils": { + "inputs": { + "systems": "systems" + }, + "locked": { + "lastModified": 1726560853, + "narHash": "sha256-X6rJYSESBVr3hBoH0WbKE5KvhPU5bloyZ2L4K60/fPQ=", + "owner": "numtide", + "repo": "flake-utils", + "rev": "c1dfcf08411b08f6b8615f7d8971a2bfa81d5e8a", + "type": "github" + }, + "original": { + "owner": "numtide", + "repo": "flake-utils", + "type": "github" + } + }, + "nixpkgs": { + "locked": { + "lastModified": 1727802920, + "narHash": "sha256-HP89HZOT0ReIbI7IJZJQoJgxvB2Tn28V6XS3MNKnfLs=", + "owner": "NixOS", + "repo": "nixpkgs", + "rev": "27e30d177e57d912d614c88c622dcfdb2e6e6515", + "type": "github" + }, + "original": { + "owner": "NixOS", + "ref": "nixos-unstable", + "repo": "nixpkgs", + "type": "github" + } + }, + "root": { + "inputs": { + "flake-utils": "flake-utils", + "nixpkgs": "nixpkgs" + } + }, + "systems": { + "locked": { + "lastModified": 1681028828, + "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=", + "owner": "nix-systems", + "repo": "default", + "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e", + "type": "github" + }, + "original": { + "owner": "nix-systems", + "repo": "default", + "type": "github" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..4c32ef8 --- /dev/null +++ b/flake.nix @@ -0,0 +1,127 @@ +{ + inputs = { + nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; + flake-utils.url = "github:numtide/flake-utils"; + }; + outputs = { self, nixpkgs, flake-utils }: + flake-utils.lib.eachDefaultSystem + (system: + let + pkgs = import nixpkgs { inherit system; }; + in + with pkgs; + rec { + packages.default = stdenv.mkDerivation { + name = "mauri"; + version = "0.13"; + src = self; + mesonFlags = [ + "-Dwrap_mode=default" + ]; + nativeBuildInputs = [ + git + gcc + pkg-config + ninja + meson + cmake + ]; + buildInputs = [ + lz4 + glm + nlohmann_json + fftw + gst_all_1.gstreamer + gst_all_1.gst-plugins-base + gst_all_1.gst-plugins-good + glfw3 + SDL2 + wayland + wayland-protocols + wayland-scanner + wlr-protocols + egl-wayland + jansson + ncurses + libunistring + doctest + ffmpeg-headless + ]; + meta = with lib; { + homepage = "https://akon.city/"; + description = ""; + changelog = ""; + license = [ licenses.gpl3Only ]; + maintainers = with lib.maintainers; []; + }; + }; + + devShells.default = mkShell { + NIX_HARDENING_ENABLE = ""; + nativeBuildInputs = packages.default.nativeBuildInputs ++ [ + gdb + clang-tools + perf-tools + valgrind + ]; + buildInputs = packages.default.buildInputs ++ [ + # sway build + json_c + pcre2 + libxkbcommon + cairo + pango + libevdev + libinput + libdrm + gdk-pixbuf + xwayland + xorg.xcbutilwm + # wlroots build + mesa + vulkan-headers + vulkan-loader + glslang + libseat + libdisplay-info + libliftoff + hwdata + ]; + shellHook = '' + export NIX_SHELL="mauri" + unset SOURCE_DATE_EPOCH + exec ${pkgs.zsh}/bin/zsh + ''; + }; + + devShells.mingw64 = let + gcc = pkgsCross.ucrt64.buildPackages.wrapCC (pkgsCross.ucrt64.buildPackages.gcc-unwrapped.override ({ + threadsCross = { + model = "win32"; + package = null; + }; + })); + gccWin32Stdenv = overrideCC pkgsCross.ucrt64.stdenv gcc; + in mkShell.override { stdenv = gccWin32Stdenv; } { + NIX_HARDENING_ENABLE = ""; + nativeBuildInputs = [ + git + buildPackages.gcc + gdb + pkg-config + ninja + meson + cmake + wineWowPackages.staging + ]; + buildInputs = with pkgsCross.ucrt64; [ + (zlib.override { shared = false; static = true; }) + ]; + shellHook = '' + export NIX_SHELL="mauri-mingw64" + unset SOURCE_DATE_EPOCH + exec ${pkgs.zsh}/bin/zsh + ''; + }; + }); +} diff --git a/meson.build b/meson.build index 7ed84b9..27baf30 100644 --- a/meson.build +++ b/meson.build @@ -1,30 +1,53 @@ -project('mauri', 'cpp', version: '0.12', - default_options: ['warning_level=3', 'cpp_std=c++20']) +project('mauri', ['cpp', 'c'], version: '0.13', + default_options: ['warning_level=2', 'cpp_std=c++17', 'c_std=c99']) compiler = meson.get_compiler('cpp') +cmake = import('cmake') is_debug = get_option('buildtype').startswith('debug') -is_cygwin = host_machine.system() == 'cygwin' -is_windows = host_machine.system() == 'windows' or is_cygwin +is_windows = host_machine.system() == 'windows' -if compiler.get_argument_syntax() == 'gcc' - add_project_arguments('-Wno-unused-parameter', language: 'cpp') - add_project_arguments('-Wno-missing-field-initializers', language: 'cpp') - if is_debug - add_project_arguments('-D_DEBUG_', language: 'cpp') - endif +alabaster = subproject('libalabaster').get_variable('alabaster') +akiyo = subproject('libakiyo', default_options: ['event-loop=disabled', 'json=disabled']).get_variable('akiyo') +stela = subproject('stela', + default_options: [ + 'api=opengl', + 'window=wayland', + 'poll=inline', + 'event-buffer=false', + 'pause=false' + ]).get_variable('stela') + +janus = subproject('janus').get_variable('janus') +stb = subproject('stb').get_variable('stb') +s3tc = subproject('s3tc-dxt-decompression').get_variable('s3tc') + +lz4 = compiler.find_library('lz4', required: false) +if not lz4.found() + lz4 = subproject('lz4').get_variable('liblz4_dep') +endif + +glm = dependency('glm', required: false) +if not glm.found() + glm_opts = cmake.subproject_options() + glm_opts.add_cmake_defines({ 'CMAKE_BUILD_TYPE': is_debug ? 'Debug' : 'Release' }) + glm = cmake.subproject('glm', options: glm_opts).dependency('glm') +endif + +json = dependency('nlohmann_json', required: false) +if not json.found() + json = subproject('json').get_variable('nlohmann_json_dep') endif +mauri_deps = [alabaster, akiyo, stela, janus, stb, s3tc, lz4, glm, json] mauri_src = [ 'src/mauri.cc', - 'src/util.cc', 'src/assets.cc', 'src/context.cc', 'src/gl.cc', 'src/shader.cc', 'src/engine.cc', 'src/texture.cc', - 'src/framebuffer.cc', 'src/objects/scene.cc', 'src/objects/object.cc', 'src/objects/model.cc', @@ -32,63 +55,20 @@ mauri_src = [ 'src/objects/material.cc', 'src/objects/pass.cc' ] +mauri_cpp_args = [] +mauri_link_args = [] -lz4 = subproject('lz4').get_variable('lz4') -argspp = subproject('argspp').get_variable('argspp') -glad = subproject('glad').get_variable('glad') -stb_image = subproject('stb_image').get_variable('stb_image') -s3tc = subproject('s3tc-dxt-decompression').get_variable('s3tc') - -mauri_deps = [lz4, argspp, glad, stb_image, s3tc] - -if is_windows - cmake = import('cmake') - glm_opts = cmake.subproject_options() - glm_opts.add_cmake_defines({ 'CMAKE_BUILD_TYPE': 'Release' }) - glm_opts.add_cmake_defines({ 'CMAKE_CXX_COMPILER_FORCED': true }) - glm = cmake.subproject('glm', options: glm_opts, required: true).dependency('glm') - glfw_opts = cmake.subproject_options() - glfw_opts.add_cmake_defines({ 'CMAKE_BUILD_TYPE': 'Release' }) - glfw_opts.add_cmake_defines({ 'CMAKE_C_COMPILER_FORCED': true }) - glfw_opts.add_cmake_defines({ 'GLFW_BUILD_EXAMPLES': false }) - glfw_opts.add_cmake_defines({ 'GLFW_BUILD_TESTS': false }) - glfw_opts.add_cmake_defines({ 'GLFW_BUILD_DOCS': false }) - glfw_opts.add_cmake_defines({ 'GLFW_INSTALL': false }) - glfw_opts.add_cmake_defines({ 'GLFW_BUILD_X11': false }) - glfw_opts.add_cmake_defines({ 'GLFW_BUILD_WAYLAND': false }) - glfw = cmake.subproject('glfw', options: glfw_opts, required: true).dependency('glfw') - json = subproject('json').get_variable('nlohmann_json_dep') -else - glm = dependency('glm', required: true) - glfw = dependency('glfw3', required: false) - json = dependency('nlohmann_json', required: true) -endif - -mauri_deps += [glm, json] - -if glfw.found() - mauri_deps += [glfw] - mauri_src += ['src/context_glfw.cc'] - add_project_arguments('-DBUILD_GLFW', language: 'cpp') +if get_option('audio').enabled() and is_linux + gstreamer = dependency('gstreamer-1.0') + fftw3 = dependency('fftw3') + mauri_deps += [gstreamer, fftw3] + mauri_src += ['src/vis.cc'] + mauri_cpp_args += ['-DHAVE_AUDIO'] endif -if not is_windows - X11 = dependency('X11', required: false) - Xrender = dependency('xrender', required: false) - Xext = dependency('xext', required: false) - GLX = dependency('glx', required: false) - if X11.found() and Xrender.found() and Xext.found() and GLX.found() - mauri_src += ['src/context_x11.cc'] - mauri_deps += [X11, Xrender, Xext, GLX] - add_project_arguments('-DBUILD_X11', language: 'cpp') - endif - if get_option('audio').enabled() - fftw3 = dependency('fftw3', required: true) - gstreamer = dependency('gstreamer-1.0', required: true) - mauri_src += ['src/vis.cc'] - mauri_deps += [gstreamer, fftw3] - add_project_arguments('-DBUILD_AUDIO', language: 'cpp') - endif +if is_windows and meson.is_cross_build() + mauri_link_args += ['-static', '-static-libgcc', '-static-libstdc++', '-municode', '-mwindows'] endif -executable('mauri', mauri_src, dependencies: mauri_deps, install: true) +executable('mauri', mauri_src, dependencies: mauri_deps, + cpp_args: mauri_cpp_args, link_args: mauri_link_args, install: true) diff --git a/scripts/random.sh b/scripts/random.sh index 00689a8..2f097cb 100755 --- a/scripts/random.sh +++ b/scripts/random.sh @@ -1,8 +1,7 @@ #! /usr/bin/env bash -BUILD_DIR=build-nix-release -WALLPAPERS_PATH=workshop_wallpapers_11-8-21 -#WALLPAPERS_PATH=workshop_wallpapers +BUILD_DIR=build +WALLPAPERS_PATH=workshop_wallpapers while : ; do DIR=$(find $WALLPAPERS_PATH -mindepth 1 -maxdepth 1 -type d -print0 | shuf -zn1 | xargs --null) diff --git a/src/assets.cc b/src/assets.cc index f892662..baf3922 100644 --- a/src/assets.cc +++ b/src/assets.cc @@ -1,9 +1,8 @@ -#include <filesystem> #include <fstream> -#include <iostream> +#include <filesystem> -#include "texture.h" #include "assets.h" +#include "texture.h" namespace Mauri { @@ -124,7 +123,7 @@ auto AssetManager::arm_package(const std::string &path, bool can_output) -> bool byte *start = this->package->ptr() + asset.offset; byte *end = start + asset.length; this->assets[i] = new Asset(std::string(asset.path), start, end); - debug("package file: (%s)", std::string(asset.path).c_str()); + debug("package file: (%s)", this->assets[i]->path.c_str()); } this->prepare_output = can_output; @@ -144,6 +143,16 @@ auto AssetManager::unload_package() -> void delete this->package; } + +auto AssetManager::add_search_directory(const std::string &directory) -> bool +{ + if (!std::filesystem::is_directory(directory)) return false; + + this->directories.push_back(directory); + + return true; +} + auto AssetManager::get_file(const std::string &part, AssetTypeHint hint) -> Asset * { std::string path = part; @@ -185,15 +194,24 @@ auto AssetManager::get_file(const std::string &part, AssetTypeHint hint) -> Asse if (!asset) { - path.insert(0, "assets/"); - - asset = new Asset(path); - asset->hash = hash; + for (std::string &dir : this->directories) + { + std::string attempt = dir + "/" + path; + asset = new Asset(attempt); + if (asset->type == ASSET_VOID) + { + delete asset; + asset = nullptr; + continue; + } + asset->hash = hash; + debug("found asset in: (%s)", dir.c_str()); + break; + } - if (asset->type == ASSET_VOID) + if (!asset) { error("failed to load asset: (%s)", path.c_str()); - delete asset; return &asset_void; } diff --git a/src/assets.h b/src/assets.h index 34e31df..498308a 100644 --- a/src/assets.h +++ b/src/assets.h @@ -1,17 +1,26 @@ #ifndef _ASSET_H #define _ASSET_H -#include <iostream> -#include <sstream> -#include <vector> - #include "util.h" namespace Mauri { -enum AssetType { ASSET_VOID, ASSET_SLICE, ASSET_FILE }; -enum AssetTypeHint { NONE, TEXTURE, SHADER, FRAGMENT_SHADER, VERTEX_SHADER }; +enum AssetType +{ + ASSET_VOID = 0, + ASSET_SLICE, + ASSET_FILE +}; + +enum AssetTypeHint +{ + NONE = 0, + TEXTURE, + SHADER, + FRAGMENT_SHADER, + VERTEX_SHADER +}; class Asset { @@ -86,19 +95,23 @@ struct PackageFile class AssetManager { public: - AssetManager() {} - ~AssetManager() {} + AssetManager() = default; + ~AssetManager() = default; auto get_file(const std::string &part, AssetTypeHint hint = NONE) -> Asset *; auto arm_package(const std::string &path, bool can_output) -> bool; auto unload_package() -> void; + auto add_search_directory(const std::string &directory) -> bool; + bool prepare_output; auto write_files(const std::string &output_path) -> void; private: + std::vector<std::string> directories; + Asset *package; std::vector<Asset *> assets; }; diff --git a/src/context.cc b/src/context.cc index a89f8b0..8dcbdbb 100644 --- a/src/context.cc +++ b/src/context.cc @@ -12,49 +12,8 @@ auto context() -> Context * auto set_context(Context *c) -> void { - if (context_) - { - delete context_; - } + if (context_) delete context_; context_ = c; } } // namespace Mauri - -using namespace Mauri; - -auto Context::print_gl_info() -> void -{ - info("vendor: %s", glGetString(GL_VENDOR)); - info("renderer: %s", glGetString(GL_RENDERER)); - info("version: %s", glGetString(GL_VERSION)); -} - -auto Context::check_error() -> GLenum -{ - GLenum error_code; - while ((error_code = glGetError()) != GL_NO_ERROR) - { - std::string error; - switch (error_code) - { - case GL_INVALID_ENUM: - error = "INVALID_ENUM"; - break; - case GL_INVALID_VALUE: - error = "INVALID_VALUE"; - break; - case GL_INVALID_OPERATION: - error = "INVALID_OPERATION"; - break; - case GL_OUT_OF_MEMORY: - error = "OUT_OF_MEMORY"; - break; - case GL_INVALID_FRAMEBUFFER_OPERATION: - error = "INVALID_FRAMEBUFFER_OPERATION"; - break; - } - error("gl error: %s", error.c_str()); - } - return error_code; -} diff --git a/src/context.h b/src/context.h index 93e5290..6919550 100644 --- a/src/context.h +++ b/src/context.h @@ -1,29 +1,76 @@ #ifndef _CONTEXT_H #define _CONTEXT_H -#include <chrono> - #include "gl.h" +extern "C" { +#include <stl/window.h> +#include <aki/thread.h> +} + namespace Mauri { +static bool pointer_pos_callback(void *userdata, f64 x, f64 y); +static void should_close_callback(void *userdata); + class Context { public: - Context() : start(std::chrono::system_clock::now()) {} - virtual ~Context() {} + Context() : start(aki_get_timestamp()) {} + ~Context() + { + if (this->window) this->window->free(&this->window); + } + + f64 pointer_x; + f64 pointer_y; + + bool should_close = false; + + auto create_window(s32 width, s32 height, const std::string &name, const std::string monitor) -> bool + { + this->window = stl_window_create(); + this->window->pointer_pos_callback = pointer_pos_callback; + this->window->should_close_callback = should_close_callback; + this->window->userdata = this; + s32 flags = STELA_WINDOW_VSYNC | (monitor.empty() ? 0 : STELA_WINDOW_WALLPAPER); + if (!this->window->create_window(this->window, width, height, monitor.c_str(), name.c_str(), flags)) { + return false; + } + this->window->gl_make_current(this->window); + if (!this->window->gl_loader_load(this->window)) { + return false; + } + glEnable(GL_BLEND); + glEnable(GL_MULTISAMPLE); + return true; + } - s32 width; - s32 height; + auto width() -> s32 + { + return this->window->width; + } - virtual auto create_window(s32 width, s32 height, const std::string &name, bool background) -> bool = 0; - virtual auto resize_window(s32 width, s32 height) -> void = 0; - virtual auto should_close_window() const -> bool = 0; - virtual auto close_window() -> void = 0; + auto height() -> s32 + { + return this->window->height; + } - virtual auto process_input() -> void = 0; - virtual auto cursor_pos(f32 *x, f32 *y) -> void = 0; + auto resize_window(s32 width, s32 height) -> void + { + this->window->resize(this->window, width, height); + } + + auto should_close_window() const -> bool + { + return this->should_close; + } + + auto close_window() -> void + { + this->should_close = true; + } auto is_draw_enabled() const -> bool { @@ -35,24 +82,47 @@ class Context this->draw_enabled = enabled; } - virtual auto swap_buffers() -> void = 0; + auto poll() -> void + { + this->window->poll(this->window, false); + this->window->process_events(this->window); + } - using us = std::chrono::microseconds; + auto swap_buffers() -> void + { + this->window->gl_swap_buffers(this->window); + }; auto current_time() const -> f64 { - return std::chrono::duration_cast<us>(std::chrono::system_clock::now() - this->start).count() / 1000000.f; + return (aki_get_timestamp() - this->start) / 1000000.f; } - protected: - auto print_gl_info() -> void; - auto check_error() -> GLenum; + auto check_error() -> void + { + stl_gl_check_error(); + } private: - bool draw_enabled = false; - std::chrono::time_point<std::chrono::system_clock> start; + u64 start; + bool draw_enabled = true; + struct stl_window *window = nullptr; }; +bool pointer_pos_callback(void *userdata, f64 x, f64 y) +{ + Context *c = (Context *)userdata; + c->pointer_x = x; + c->pointer_y = y; + return true; +} + +void should_close_callback(void *userdata) +{ + Context *c = (Context *)userdata; + c->should_close = true; +} + extern auto context() -> Context *; extern auto set_context(Context *c) -> void; diff --git a/src/context_glfw.cc b/src/context_glfw.cc deleted file mode 100644 index cbaea23..0000000 --- a/src/context_glfw.cc +++ /dev/null @@ -1,131 +0,0 @@ -#include "context_glfw.h" - -using namespace Mauri; - -static auto key_callback(GLFWwindow *window, s32 key, s32 scancode, s32 action, s32 mods) -> void -{ - if (key == GLFW_KEY_B && action == GLFW_PRESS) - { - context()->set_draw_enabled(!context()->is_draw_enabled()); - } -} - -auto ContextGLFW::create_window(s32 width, s32 height, const std::string &name, bool background) -> bool -{ - if (!glfwInit()) - { - error("failed to init glfw"); - return false; - } - - this->width = width; - this->height = height; - - // https://github.com/haasn/libplacebo/blob/master/demos/window_glfw.c#L178 - struct - { - s32 api; - s32 major, minor; - s32 glsl_ver; - s32 profile; - } gl_vers[] = { - {GLFW_OPENGL_API, 4, 6, 460, GLFW_OPENGL_CORE_PROFILE}, - {GLFW_OPENGL_API, 4, 5, 450, GLFW_OPENGL_CORE_PROFILE}, - {GLFW_OPENGL_API, 4, 4, 440, GLFW_OPENGL_CORE_PROFILE}, - {GLFW_OPENGL_API, 4, 0, 400, GLFW_OPENGL_CORE_PROFILE}, - {GLFW_OPENGL_API, 3, 3, 330, GLFW_OPENGL_CORE_PROFILE}, - {GLFW_OPENGL_API, 3, 2, 150, GLFW_OPENGL_CORE_PROFILE}, - {GLFW_OPENGL_API, 3, 1, 140, 0}, - {GLFW_OPENGL_API, 3, 0, 130, 0}, - }; - - glfwWindowHint(GLFW_SRGB_CAPABLE, GLFW_TRUE); - //glfwWindowHint(GLFW_SAMPLES, 4); - - for (u32 i = 0; i < ARRAY_SIZE(gl_vers); i++) - { - glfwWindowHint(GLFW_CLIENT_API, gl_vers[i].api); - glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, gl_vers[i].major); - glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, gl_vers[i].minor); - glfwWindowHint(GLFW_OPENGL_PROFILE, gl_vers[i].profile); -#ifdef __APPLE__ - if (gl_vers[i].profile == GLFW_OPENGL_CORE_PROFILE) - { - glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); - } -#endif - if ((this->window = glfwCreateWindow(this->width, this->height, name.c_str(), nullptr, nullptr))) - { - break; - } - } - - if (!this->window) - { - error("could not create gl context"); - return false; - } - - glfwMakeContextCurrent(this->window); - - if (!gladLoadGL((GLADloadfunc)glfwGetProcAddress)) - { - error("could not load gl"); - return false; - } - - glEnable(GL_BLEND); - glEnable(GL_MULTISAMPLE); - - this->print_gl_info(); - - this->set_draw_enabled(true); - - glfwSetKeyCallback(this->window, key_callback); - - return true; -} - -auto ContextGLFW::resize_window(s32 width, s32 height) -> void -{ - if (width != this->width || height != this->height) - { - this->width = width; - this->height = height; - glfwSetWindowSize(this->window, this->width, this->height); - } -} - -auto ContextGLFW::should_close_window() const -> bool -{ - return glfwWindowShouldClose(this->window); -} - -auto ContextGLFW::close_window() -> void -{ - glfwSetWindowShouldClose(this->window, GLFW_TRUE); -} - -auto ContextGLFW::process_input() -> void -{ - glfwPollEvents(); -} - -auto ContextGLFW::cursor_pos(f32 *x, f32 *y) -> void -{ - f64 x_, y_; - glfwGetCursorPos(this->window, &x_, &y_); - *x = (f32)x_; - *y = (f32)y_; -} - -auto ContextGLFW::swap_buffers() -> void -{ - glfwSwapBuffers(this->window); -} - -ContextGLFW::~ContextGLFW() -{ - if (this->window) glfwDestroyWindow(this->window); - glfwTerminate(); -} diff --git a/src/context_glfw.h b/src/context_glfw.h deleted file mode 100644 index 1eb2991..0000000 --- a/src/context_glfw.h +++ /dev/null @@ -1,34 +0,0 @@ -#ifndef _CONTEXT_GLFW_HPP -#define _CONTEXT_GLFW_HPP - -#define GLFW_INCLUDE_NONE -#include <GLFW/glfw3.h> - -#include "context.h" - -namespace Mauri -{ - -class ContextGLFW : public Context -{ - public: - ContextGLFW() : Context() {} - ~ContextGLFW(); - - auto create_window(s32 width, s32 height, const std::string &name, bool background) -> bool; - auto resize_window(s32 width, s32 height) -> void; - auto should_close_window() const -> bool; - auto close_window() -> void; - - auto process_input() -> void; - auto cursor_pos(f32 *x, f32 *y) -> void; - - auto swap_buffers() -> void; - - private: - GLFWwindow *window; -}; - -} // namespace Mauri - -#endif // _CONTEXT_GLFW_HPP diff --git a/src/context_null.h b/src/context_null.h deleted file mode 100644 index bcae058..0000000 --- a/src/context_null.h +++ /dev/null @@ -1,55 +0,0 @@ -#ifndef _CONTEXT_NULL -#define _CONTEXT_NULL - -#include "context.h" - -namespace Mauri -{ - -class ContextNull : public Context -{ -public: - ContextNull() : Context() { this->set_draw_enabled(false); } - ~ContextNull() {} - - auto create_window(s32 width, s32 height, const std::string &name, bool background) -> bool - { - return true; - } - - auto resize_window(s32 width, s32 height) -> void - { - if (width != this->width || height != this->height) - { - this->width = width; - this->height = height; - } - } - - auto should_close_window() const -> bool - { - return this->should_close; - } - - auto close_window() -> void - { - this->should_close = true; - } - - auto process_input() -> void {} - - auto cursor_pos(f32 *x, f32 *y) -> void - { - *y = 0.f; - *x = 0.f; - } - - auto swap_buffers() -> void {} - - private: - bool should_close = true; -}; - -} // namespace Mauri - -#endif // _CONTEXT_NULL diff --git a/src/context_x11.cc b/src/context_x11.cc deleted file mode 100644 index 7975a4a..0000000 --- a/src/context_x11.cc +++ /dev/null @@ -1,302 +0,0 @@ -#include "context_x11.h" - -using namespace Mauri; - -static Atom ATOM_WM_DELETE_WINDOW, ATOM__NET_ACTIVE_WINDOW; - -auto ContextX11::disable_input() -> void -{ - XWMHints wmHint; - wmHint.flags = InputHint | StateHint; - wmHint.input = false; - wmHint.initial_state = NormalState; - XSetWMProperties(this->x11_d, this->window, NULL, NULL, NULL, 0, NULL, &wmHint, NULL); -} - -auto ContextX11::create_window(s32 width, s32 height, const std::string &name, bool background) -> bool -{ - this->x11_d = XOpenDisplay(NULL); - - ATOM_WM_DELETE_WINDOW = XInternAtom(this->x11_d, "WM_DELETE_WINDOW", true); - - if (!this->x11_d) - { - error("could not open display"); - return false; - } - - s32 screen = XDefaultScreen(this->x11_d); - Window root = RootWindow(this->x11_d, screen); - - static s32 gl_attrs[] = { - GLX_X_RENDERABLE, True, - GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT, - GLX_X_VISUAL_TYPE, GLX_TRUE_COLOR, - GLX_DOUBLEBUFFER, True, - GLX_RED_SIZE, 8, - GLX_GREEN_SIZE, 8, - GLX_BLUE_SIZE, 8, - GLX_ALPHA_SIZE, 0, - GLX_RENDER_TYPE, GLX_RGBA_BIT, - GLX_SAMPLES, 0, - None - }; - - GLint context_attrs[] = { - GLX_CONTEXT_MAJOR_VERSION_ARB, 3, - GLX_CONTEXT_MINOR_VERSION_ARB, 3, - None - }; - - // https://github.com/jarcode-foss/glava/blob/master/glava/glx_wcb.c#L383 - s32 fb_sz, best = -1, samp = -1; - GLXFBConfig *fbc = glXChooseFBConfig(this->x11_d, screen, gl_attrs, &fb_sz); - if (!fbc) - { - error("no glX FB configs"); - return false; - } - - for (s32 t = 0; t < fb_sz; t++) - { - XVisualInfo *xvi = glXGetVisualFromFBConfig(this->x11_d, fbc[t]); - if (!xvi) continue; - - s32 samp_buf, samples; - glXGetFBConfigAttrib(this->x11_d, fbc[t], GLX_SAMPLE_BUFFERS, &samp_buf); - glXGetFBConfigAttrib(this->x11_d, fbc[t], GLX_SAMPLES, &samples); - - XRenderPictFormat *fmt = XRenderFindVisualFormat(this->x11_d, xvi->visual); - if (!fmt) continue; - - if (best < 0 || (samp_buf && samples > samp)) - { - best = t; - samp = samples; - } - - XFree(xvi); - } - - if (best == -1) - { - error("could not find suitable XRender format"); - return false; - } - - GLXFBConfig config = fbc[best]; - XFree(fbc); - - XVisualInfo *vi = glXGetVisualFromFBConfig(this->x11_d, config); - Colormap cmap = XCreateColormap(this->x11_d, root, vi->visual, AllocNone); - XSetWindowAttributes swa; - swa.colormap = cmap; - swa.event_mask = ExposureMask | KeyPressMask | StructureNotifyMask | - PropertyChangeMask | VisibilityChangeMask; - - swa.background_pixmap = None; - swa.border_pixel = 0; - - this->window = XCreateWindow(this->x11_d, root, 0, 0, width, height, 0, vi->depth, - InputOutput, vi->visual, CWColormap | CWEventMask | CWBackPixmap | CWBorderPixel, &swa); - - XFree(vi); - - //this->disable_input(); - - XStoreName(this->x11_d, this->window, name.c_str()); - - XChangeProperty(this->x11_d, this->window, - XInternAtom(this->x11_d, "_NET_WM_NAME", False), - XInternAtom(this->x11_d, "UTF8_STRING", False), - 8, PropModeReplace, (unsigned char *)name.c_str(), name.length()); - - XClassHint class_hint; - - class_hint.res_class = const_cast<char *>(name.c_str()); - class_hint.res_name = const_cast<char *>(name.c_str()); - - XSetClassHint(this->x11_d, this->window, &class_hint); - - glXCreateContextAttribsARBProc glXCreateContextAttribsARB = NULL; - glXCreateContextAttribsARB = (glXCreateContextAttribsARBProc) - glXGetProcAddressARB((const GLubyte*) "glXCreateContextAttribsARB"); - - if (!glXCreateContextAttribsARB) return false; - if (!(this->glc = glXCreateContextAttribsARB(this->x11_d, config, 0, True, context_attrs))) - { - return false; - } - - glXMakeCurrent(this->x11_d, this->window, this->glc); - - if (!gladLoadGL((GLADloadfunc)glXGetProcAddressARB)) - { - error("could not load gl"); - return false; - } - - if (background) - { - /* - Atom desktop = XInternAtom(this->x11_d, "_NET_WM_DESKTOP", false); - unsigned long all_desktops = XWIN_ALL_DESKTOPS; - XChangeProperty(this->x11_d, this->window, desktop, - XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&all_desktops, 1); - */ - - Atom net_wm_type = XInternAtom(this->x11_d, "_NET_WM_WINDOW_TYPE", false); - Atom desktop_type = XInternAtom(this->x11_d, "_NET_WM_WINDOW_TYPE_DESKTOP", false); - XChangeProperty(this->x11_d, this->window, net_wm_type, - XA_ATOM, 32, PropModeReplace, (unsigned char*)&desktop_type, 1); - - /* - XEvent event; - event.xclient.type = ClientMessage; - event.xclient.serial = 0; - event.xclient.send_event = True; - event.xclient.display = this->x11_d; - event.xclient.window = this->window; - event.xclient.message_type = XInternAtom(this->x11_d, "_NET_WM_STATE", false); - event.xclient.format = 32; - - event.xclient.data.l[0] = _NET_WM_STATE_ADD; - event.xclient.data.l[1] = XInternAtom(this->x11_d, "_NET_WM_STATE_BELOW", false); - event.xclient.data.l[2] = 0; //unused. - event.xclient.data.l[3] = 0; - event.xclient.data.l[4] = 0; - - XSendEvent(this->x11_d, root, false, - SubstructureRedirectMask|SubstructureNotifyMask, &event); - - event.xclient.data.l[1] = XInternAtom(this->x11_d, "_NET_WM_STATE_STICKY", false); - - XSendEvent(x11_d, root, false, - SubstructureRedirectMask|SubstructureNotifyMask, &event); - - event.xclient.data.l[1] = XInternAtom(this->x11_d, "_NET_WM_STATE_FULLSCREEN", false); - */ - } - - XSetWMProtocols(this->x11_d, this->window, &ATOM_WM_DELETE_WINDOW, 1); - - XMoveWindow(this->x11_d, this->window, 0, 0); - - XMapWindow(this->x11_d, this->window); - XFlush(this->x11_d); - - glEnable(GL_BLEND); - glEnable(GL_MULTISAMPLE); - - this->print_gl_info(); - - this->set_draw_enabled(true); - - return true; -} - -auto ContextX11::resize_window(s32 width, s32 height) -> void -{ - if (width != this->width || height != this->height) - { - this->width = width; - this->height = height; - } -} - -auto ContextX11::raise() -> void -{ - XClientMessageEvent ev = { - .type = ClientMessage, - .serial = 0, - .send_event = true, - .display = this->x11_d, - .window = this->window, - .message_type = ATOM__NET_ACTIVE_WINDOW, - .format = 32, - .data = {.l = {1, 0, (long)this->window}} - }; - XSendEvent(this->x11_d, DefaultRootWindow(this->x11_d), false, StructureNotifyMask, (XEvent *)&ev); - XRaiseWindow(this->x11_d, this->window); - XFlush(this->x11_d); -} - -auto ContextX11::set_clickthrough() -> void -{ - Window win = this->window, root = DefaultRootWindow(this->x11_d); - while (win != None) - { - Region region; - if ((region = XCreateRegion())) - { - XShapeCombineRegion(this->x11_d, this->window, ShapeInput, 0, 0, region, ShapeSet); - XDestroyRegion(region); - } - - Window parent, *children = NULL; - u32 num_children; - if (XQueryTree(this->x11_d, win, &root, &parent, &children, &num_children)) - { - if (children) XFree(children); - } - - win = (parent == root ? None : parent); - } - - XFlush(this->x11_d); -} - -auto ContextX11::close_window() -> void -{ - this->should_close = true; -} - -auto ContextX11::cursor_pos(float *x, float *y) -> void -{ - u32 ret; - s32 root_return_x, root_return_y; - s32 win_return_x, win_return_y; - Window root_return, child_return; - XQueryPointer(this->x11_d, this->window, &root_return, &child_return, - &root_return_x, &root_return_y, &win_return_x, &win_return_y, &ret); - *x = (f32)win_return_x; - *y = (f32)win_return_y; -} - -auto ContextX11::process_input() -> void -{ - XEvent xev; - while (XPending(this->x11_d) > 0) - { - XNextEvent(this->x11_d, &xev); - switch (xev.type) - { - case ClientMessage: - if ((u64)xev.xclient.data.l[0] == ATOM_WM_DELETE_WINDOW) - { - this->should_close = true; - } - break; - case MapNotify: - //set_clickthrough(); - XFlush(this->x11_d); - break; - } - } -} - -auto ContextX11::swap_buffers() -> void -{ - glXSwapBuffers(this->x11_d, this->window); -} - -ContextX11::~ContextX11() -{ - if (this->x11_d) - { - glXMakeCurrent(this->x11_d, None, NULL); - glXDestroyContext(this->x11_d, this->glc); - XDestroyWindow(this->x11_d, this->window); - XCloseDisplay(this->x11_d); - } -} diff --git a/src/context_x11.h b/src/context_x11.h deleted file mode 100644 index 6bf898f..0000000 --- a/src/context_x11.h +++ /dev/null @@ -1,64 +0,0 @@ -#ifndef _CONTEXT_X11_H -#define _CONTEXT_X11_H - -#include <X11/Xlib.h> -#include <X11/Xatom.h> -#include <X11/extensions/Xrender.h> -#include <X11/extensions/shape.h> - -#include "context.h" - -#include <GL/glx.h> - -#define XWIN_ALL_DESKTOPS 0xFFFFFFFF - -#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091 -#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092 - -#define _NET_WM_STATE_REMOVE 0 -#define _NET_WM_STATE_ADD 1 -#define _NET_WM_STATE_TOGGLE 2 - -typedef GLXContext (*glXCreateContextAttribsARBProc)(Display *, GLXFBConfig, GLXContext, Bool, const s32 *); - -namespace Mauri -{ - -class ContextX11 : public Context -{ - public: - ContextX11() : Context() {} - ~ContextX11(); - - auto create_window(s32 width, s32 height, const std::string &name, bool background) -> bool; - auto resize_window(s32 width, s32 height) -> void; - auto should_close_window() const -> bool - { - return should_close; - } - auto close_window() -> void; - - auto process_input() -> void; - auto cursor_pos(f32 *x, f32 *y) -> void; - - auto swap_buffers() -> void; - - private: - bool should_close = false; - - auto raise() -> void; - - // Try to make the window shape 0x0 so that its unclickable. - auto set_clickthrough() -> void; - - // Try to disable input by setting window hints. - auto disable_input() -> void; - - Display *x11_d = nullptr; - Window window; - GLXContext glc; -}; - -} // namespace Mauri - -#endif // _CONTEXT_X11_H diff --git a/src/engine.cc b/src/engine.cc index 641ac15..ff90d65 100644 --- a/src/engine.cc +++ b/src/engine.cc @@ -1,9 +1,6 @@ -#include <thread> - -#include "context.h" #include "engine.h" +#include "context.h" -#include "objects/object.h" #include "objects/scene.h" using namespace Mauri; @@ -16,9 +13,8 @@ auto View::center_scale_viewport() -> void auto View::center_viewport(f32 buffer_width, f32 buffer_height) -> void { - f32 w_pad = (this->width - buffer_width) / -2.f; - f32 h_pad = (this->height - buffer_height) / -2.f; - Render::set_viewport(w_pad, h_pad, buffer_width, buffer_height); + Render::set_viewport((this->width - buffer_width) / -2, + (this->height - buffer_height) / -2, buffer_width, buffer_height); } auto View::default_viewport(f32 buffer_width, f32 buffer_height) -> void @@ -36,8 +32,6 @@ auto View::center(f32 buffer_width, f32 buffer_height) -> void f32 scaled_width = this->width / this->scale; f32 scaled_height = this->height / this->scale; - //this->camera_pos[0] = ((scaled_width - buffer_width) / -2.f) + ((scaled_width - buffer_width) / 2.f); - //this->camera_pos[1] = ((scaled_height - buffer_height) / -2.f) + ((scaled_height - buffer_height) / 2.f); this->camera_pos[0] = ((scaled_width - buffer_width) / -2.f); this->camera_pos[1] = ((scaled_height - buffer_height) / -2.f); } @@ -45,15 +39,6 @@ auto View::center(f32 buffer_width, f32 buffer_height) -> void Engine::Engine(Scene *scene, f32 rate, bool audio) : scene(scene), rate(rate), audio_enabled(audio) { - /* - for (Object *object : scene->objects) - { - if (object->size[0] > this->view.width) this->view.width = object->size[0]; - if (object->size[1] > this->view.height) this->view.height = object->size[1]; - } - */ - //std::cout << this->view.width << " " << this->view.height << "\n"; - this->view.width = scene->width; this->view.height = scene->height; this->view.ortho_width = scene->width; @@ -65,9 +50,11 @@ Engine::Engine(Scene *scene, f32 rate, bool audio) this->view.texel_half_size[0] = .5f / this->view.width; this->view.texel_half_size[1] = .5f / this->view.height; - this->view.center(context()->width, context()->height); + this->view.center(context()->width(), context()->height()); + this->view.camera_pos[0] += scene->cam.offset[0]; + this->view.camera_pos[1] += scene->cam.offset[1]; -#ifdef BUILD_AUDIO +#ifdef HAVE_AUDIO if (this->audio_enabled) { this->vis = new Visualizer(); @@ -85,13 +72,13 @@ Engine::Engine(Scene *scene, f32 rate, bool audio) this->create_framebuffer(COMBINE_BUFFER, this->view.width, this->view.height, 1.f); this->combine_buffer = this->get_framebuffer(COMBINE_BUFFER); + this->create_framebuffer(MIPMAPPED_BUFFER, this->view.width, this->view.height, 1.f); this->default_mat = glm::ortho(-1.f, 1.f, -1.f, 1.f, -3.f, 1.f); this->default_mat = glm::scale(this->default_mat, vec3{1.f, 1.f, 0.001f}); - this->default_mat_flipped = glm::scale(this->default_mat, vec3{1.f, -1.f, 1.f}); this->default_object = new RenderObject(DEFAULT); - this->default_object_flipped = new RenderObject(DEFAULT_FLIPPED); + this->flipped_object = new RenderObject(DEFAULT_FLIPPED); this->fullscreen_object = new RenderObject(FULLSCREEN); } @@ -102,11 +89,6 @@ auto Engine::create_framebuffer(const std::string &name, f32 width, f32 height, auto Engine::get_framebuffer(const std::string &name) -> Framebuffer * { - // Most likely wrong... - if (name == "_rt_MipMappedFrameBuffer") - { - return this->combine_buffer; - } for (Framebuffer *buffer : this->framebuffers) { if (buffer->name == name) return buffer; @@ -122,9 +104,8 @@ auto Engine::get_framebuffer_texture(const std::string &name) -> Texture * auto Engine::update() -> void { - context()->process_input(); - - context()->cursor_pos(&this->view.cursor_pos[0], &this->view.cursor_pos[1]); + this->view.cursor_pos[0] = (f32)context()->pointer_x; + this->view.cursor_pos[1] = (f32)context()->pointer_y; this->view.cursor_pos[0] -= this->view.camera_pos[0]; this->view.cursor_pos[1] -= this->view.camera_pos[1]; @@ -151,23 +132,19 @@ auto Engine::draw() -> void this->view.center_scale_viewport(); - this->default_object_flipped->bind(); - this->default_object_flipped->draw(); + this->flipped_object->bind(); + this->flipped_object->draw(); } auto Engine::run() -> void { - const f32 TARGET_FPS = 60.f; while (!context()->should_close_window()) { this->time = context()->current_time(); + context()->poll(); this->update(); this->draw(); context()->swap_buffers(); - while (context()->current_time() < this->time + 1.0f / TARGET_FPS) - { - std::this_thread::sleep_for(std::chrono::microseconds(500)); - } } } @@ -179,10 +156,12 @@ Engine::~Engine() } delete this->shader; + delete this->default_object; + delete this->flipped_object; delete this->fullscreen_object; -#ifdef BUILD_AUDIO +#ifdef HAVE_AUDIO delete this->vis; #endif } diff --git a/src/engine.h b/src/engine.h index a1a063e..dc8c052 100644 --- a/src/engine.h +++ b/src/engine.h @@ -2,13 +2,13 @@ #define _ENGINE_H #include "shader.h" -#include "framebuffer.h" -#ifdef BUILD_AUDIO +#ifdef HAVE_AUDIO #include "vis.h" #endif static const std::string COMBINE_BUFFER = "_rt_FullFrameBuffer"; +static const std::string MIPMAPPED_BUFFER = "_rt_MipMappedFrameBuffer"; namespace Mauri { @@ -53,17 +53,16 @@ class Engine f32 time; bool audio_enabled; -#ifdef BUILD_AUDIO +#ifdef HAVE_AUDIO Visualizer *vis; #endif View view; mat4x4 default_mat; - mat4x4 default_mat_flipped; RenderObject *default_object; - RenderObject *default_object_flipped; + RenderObject *flipped_object; RenderObject *fullscreen_object; Shader *shader; diff --git a/src/framebuffer.cc b/src/framebuffer.cc deleted file mode 100644 index 210a052..0000000 --- a/src/framebuffer.cc +++ /dev/null @@ -1,16 +0,0 @@ -#include "framebuffer.h" - -using namespace Mauri; - -Framebuffer::Framebuffer(std::string name, s32 width, s32 height, f32 scale) - : name(name) -{ - this->buffer = new RenderFramebuffer(width, height, scale); - this->texture = new Texture(this->buffer); -} - -Framebuffer::~Framebuffer() -{ - if (this->buffer) delete this->buffer; - if (this->texture) delete this->texture; -} diff --git a/src/framebuffer.h b/src/framebuffer.h deleted file mode 100644 index 734715a..0000000 --- a/src/framebuffer.h +++ /dev/null @@ -1,23 +0,0 @@ -#ifndef _FRAMEBUFFER_H -#define _FRAMEBUFFER_H - -#include "texture.h" - -namespace Mauri -{ - -class Framebuffer -{ - public: - Framebuffer(std::string name, s32 width, s32 height, f32 scale); - ~Framebuffer(); - - std::string name; - - RenderFramebuffer *buffer; - Texture *texture; -}; - -} // namespace Mauri - -#endif // _FRAMEBUFFER_H @@ -1,7 +1,7 @@ +#include "gl.h" #include "log.h" #include "context.h" #include "texture.h" -#include "gl.h" #include "objects/object.h" @@ -12,6 +12,8 @@ auto uniform_type_to_string(UniformType type) -> std::string { switch (type) { + case TYPE_UINT: + return "uint"; case TYPE_FLOAT: return "float"; case TYPE_VEC4: @@ -34,7 +36,8 @@ auto uniform_type_to_string(UniformType type) -> std::string auto uniform_type_from_string(const std::string_view &s) -> UniformType { - if (s.compare(0, 5, "float") == 0) return TYPE_FLOAT; + if (s.compare(0, 4, "uint") == 0) return TYPE_UINT; + else if (s.compare(0, 5, "float") == 0) return TYPE_FLOAT; else if (s.compare(0, 4, "vec4") == 0) return TYPE_VEC4; else if (s.compare(0, 4, "vec3") == 0) return TYPE_VEC3; else if (s.compare(0, 4, "vec2") == 0) return TYPE_VEC2; @@ -184,20 +187,23 @@ RenderShader::RenderShader(const std::string &vs_source, const std::string &fs_s this->program = glCreateProgram(); char error[256]; + const char *c_str; u32 vs_shader = glCreateShader(GL_VERTEX_SHADER); - if (!compile(vs_shader, vs_source.c_str(), error)) + c_str = vs_source.c_str(); + if (!compile(vs_shader, c_str, error)) { error("failed to compile vertex shader: (%s)", error); - debug("\n%s", vs_source.c_str()); + debug("\n%s\n", c_str); return; } u32 fs_shader = glCreateShader(GL_FRAGMENT_SHADER); - if (!compile(fs_shader, fs_source.c_str(), error)) + c_str = fs_source.c_str(); + if (!compile(fs_shader, c_str, error)) { error("failed to compile fragment shader: (%s)", error); - debug("\n%s", fs_source.c_str()); + debug("\n%s\n", c_str); return; } @@ -256,20 +262,21 @@ auto RenderShader::set_uniform(const std::string &name, UniformType type, void * s32 loc = this->get_uniform_location(name); if (loc == -1) return; -#if UNIFORM_DEBUG - std::cout << name << "(" << type << ")" << " " - << ((f32 *)value)[0] << " " << ((f32 *)value)[1] << " " - << ((f32 *)value)[2] << " " << ((f32 *)value)[3] << "\n"; +#ifdef UNIFORM_DEBUG + al_printf("%s(%i) %f %f %f %f\n", name.c_str(), type, + ((f32 *)value)[0], ((f32 *)value)[1], + ((f32 *)value)[2], ((f32 *)value)[3]); #endif switch (type) { - case TYPE_FLOAT: - glUniform1f(loc, *((f32 *)value)); - break; + case TYPE_UINT: case TYPE_SAMPLER2D: glUniform1i(loc, (u32)(*((f32 *)value))); break; + case TYPE_FLOAT: + glUniform1f(loc, *((f32 *)value)); + break; case TYPE_VEC2: glUniform2fv(loc, 1, (f32 *)value); break; @@ -303,12 +310,15 @@ RenderTexture::RenderTexture(bool no_interp, bool clamp, bool filtering, s32 mm_ glGenTextures(1, &this->id); glBindTexture(GL_TEXTURE_2D, this->id); + /* if (filtering) { f32 aniso; glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &aniso); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso); } + */ + (void)filtering; if (no_interp) { @@ -441,11 +451,11 @@ RenderTexture::~RenderTexture() RenderFramebuffer::RenderFramebuffer(s32 width, s32 height, f32 scale) : width(width / scale), height(height / scale) { - if (!context()->is_draw_enabled()) return; - this->texture = new RenderTexture(false, true, false, 1); - this->texture->format = GL_RGBA; + + if (!context()->is_draw_enabled()) return; + this->texture->upload(nullptr, this->width, this->height, 0); glGenFramebuffers(1, &this->id); @@ -503,8 +513,8 @@ auto Render::bind_framebuffer(s32 id) -> void glBindFramebuffer(GL_DRAW_FRAMEBUFFER, id); } -auto Render::set_viewport(u32 wpad, u32 hpad, u32 width, u32 height) -> void +auto Render::set_viewport(s32 x, s32 y, s32 width, s32 height) -> void { if (!context()->is_draw_enabled()) return; - glViewport(wpad, hpad, width, height); + glViewport(x, y, width, height); } @@ -1,10 +1,20 @@ #ifndef _GL_H #define _GL_H -#include <glad/gl.h> +extern "C" { +#include <stl/gl.h> +} + +#define GLM_ENABLE_EXPERIMENTAL +#include <glm/glm.hpp> +#include <glm/gtx/matrix_major_storage.hpp> +#include <glm/gtc/type_ptr.hpp> +#include <glm/gtx/string_cast.hpp> #include "util.h" +using namespace glm; + namespace Mauri { @@ -20,6 +30,7 @@ enum ObjectType enum UniformType { TYPE_INVALID, + TYPE_UINT, TYPE_FLOAT, TYPE_VEC4, TYPE_VEC3, @@ -115,7 +126,7 @@ class Render static auto blend_func(s32 sfactor, s32 dfactor) -> void; static auto color_mask(f32 r, f32 g, f32 b, f32 a) -> void; static auto bind_framebuffer(s32 id) -> void; - static auto set_viewport(u32 wpad, u32 hpad, u32 width, u32 height) -> void; + static auto set_viewport(s32 x, s32 y, s32 width, s32 height) -> void; }; } // namespace Mauri @@ -1,15 +1,35 @@ #ifndef _JSON_H #define _JSON_H -#include "util.h" +#define JSON_NO_IO +#undef array +#include <nlohmann/json.hpp> -#define str_vec4(s, v) sscanf(s, "%f %f %f %f", &(v)[0], &(v)[1], &(v)[2], &(v)[3]) -#define str_vec3(s, v) sscanf(s, "%f %f %f", &(v)[0], &(v)[1], &(v)[2]) -#define str_vec2(s, v) sscanf(s, "%f %f", &(v)[0], &(v)[1]) +#include "gl.h" + +using json = nlohmann::json; + +#define json_str_vec4(s, v) sscanf(s, "%f %f %f %f", &(v)[0], &(v)[1], &(v)[2], &(v)[3]) +#define json_str_vec3(s, v) sscanf(s, "%f %f %f", &(v)[0], &(v)[1], &(v)[2]) +#define json_str_vec2(s, v) sscanf(s, "%f %f", &(v)[0], &(v)[1]) + +#define parse_fail(obj) do { \ + delete obj; \ + return nullptr; \ +} while (0) namespace Mauri { -enum JsonValueType { FLOAT, INT, VEC2, VEC3, VEC4, BOOL, STRING }; +enum JsonValueType +{ + INT = 0, + FLOAT, + VEC2, + VEC3, + VEC4, + BOOL, + STRING +}; struct JsonValue { @@ -21,8 +41,8 @@ struct JsonValue class Parser { public: - Parser() {} - ~Parser() {} + Parser() = default; + ~Parser() = default; template<typename T> static auto parse_value(const json &root, const std::string &name, void *out, const T &default_value) -> void @@ -49,17 +69,17 @@ class Parser } else if constexpr (std::is_same<T, vec2>::value) { - if (value.is_string()) str_vec2(value.get<std::string>().c_str(), *((vec2 *)out)); + if (value.is_string()) json_str_vec2(value.get<std::string>().c_str(), *((vec2 *)out)); } else if constexpr (std::is_same<T, vec3>::value) { - if (value.is_string()) str_vec3(value.get<std::string>().c_str(), *((vec3 *)out)); + if (value.is_string()) json_str_vec3(value.get<std::string>().c_str(), *((vec3 *)out)); } else if constexpr (std::is_same<T, vec4>::value) { // Some uniforms are saved as a single number. if (value.is_number()) (*((vec4 *)out))[0] = value.get<f32>(); - else if (value.is_string()) str_vec4(value.get<std::string>().c_str(), *((vec4 *)out)); + else if (value.is_string()) json_str_vec4(value.get<std::string>().c_str(), *((vec4 *)out)); } else if constexpr (std::is_same<T, bool>::value) { @@ -1,28 +1,13 @@ #ifndef _LOG_H #define _LOG_H -#include <stdio.h> -#include <string.h> +extern "C" { +#include <al/log.h> +} -#define _PRINT(x, ...) printf(x, ##__VA_ARGS__) - -#define __FILENAME__ (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__) - -#define log_print(t, fmt, ...) \ - do \ - { \ - _PRINT("%s:%d %s(): ", __FILENAME__, __LINE__, __FUNCTION__); \ - _PRINT("%s -> " fmt "\n", t, ##__VA_ARGS__); \ - } while (0) - -#define info(fmt, ...) log_print("info", fmt, ##__VA_ARGS__) -#define warn(fmt, ...) log_print("warn", fmt, ##__VA_ARGS__) -#define error(fmt, ...) log_print("error", fmt, ##__VA_ARGS__) - -#ifdef _DEBUG_ -#define debug(fmt, ...) log_print("debug", fmt, ##__VA_ARGS__) -#else -#define debug(fmt, ...) -#endif +#define info(fmt, ...) al_log_info(NULL, fmt, ##__VA_ARGS__) +#define warn(fmt, ...) al_log_warn(NULL, fmt, ##__VA_ARGS__) +#define error(fmt, ...) al_log_error(NULL, fmt, ##__VA_ARGS__) +#define debug(fmt, ...) al_log_debug(NULL, fmt, ##__VA_ARGS__) #endif // _LOG_H diff --git a/src/mauri.cc b/src/mauri.cc index fb0cc4b..03e314f 100644 --- a/src/mauri.cc +++ b/src/mauri.cc @@ -1,45 +1,58 @@ -#include <args.h> +#include <janus.h> +extern "C" { +#include <stl/window.h> +#include <aki/common.h> +} +#include "context.h" #include "assets.h" #include "engine.h" -#include "context.h" -#include "context_null.h" - -#ifdef BUILD_GLFW -#include "context_glfw.h" -#endif - -#ifdef BUILD_X11 -#include "context_x11.h" -#endif - #include "objects/scene.h" using namespace Mauri; +#ifndef _WIN32 auto main(s32 argc, char *argv[]) -> s32 +#else +auto wmain(s32 argc, wchar_t **argv) -> s32 +#endif { - args::ArgParser args("Usage: ...", "0.12"); + if (!aki_common_init() || !stl_global_init()) { + return EXIT_FAILURE; + } + + janus::ArgParser args("Usage: ...", "0.12"); - args.option("path p", ""); - args.option("width w", ""); - args.option("height h", ""); - args.option("background b", ""); - args.option("output o", ""); + args.newString("package p", ""); + args.newString("directory d", ""); + args.newInt("width w", 0); + args.newInt("height h", 0); + args.newInt("xoffset x", 0); + args.newInt("yoffset y", 0); + args.newString("monitor m", ""); + args.newString("output o", ""); +#ifndef _WIN32 args.parse(argc, argv); +#else + args.wparse(argc, argv); +#endif - if (!args.found("path")) + if (!(args.found("package") ^ args.found("directory"))) { - std::cout << args.helptext << "\n"; + al_printf("%s\n", args.helptext.c_str()); return EXIT_FAILURE; } - s32 width = -1; - s32 height = -1; + s32 width = 640; + s32 height = 480; + s32 xoffset = 0; + s32 yoffset = 0; - if (args.found("width")) width = args.value<s32>("width"); - if (args.found("height")) height = args.value<s32>("height"); + if (args.found("width")) width = args.getInt("width"); + if (args.found("height")) height = args.getInt("height"); + if (args.found("xoffset")) xoffset = args.getInt("xoffset"); + if (args.found("yoffset")) yoffset = args.getInt("yoffset"); if (width == 0 || height == 0) { @@ -47,68 +60,67 @@ auto main(s32 argc, char *argv[]) -> s32 return EXIT_FAILURE; } - bool background = false; + const std::string monitor = args.found("monitor") ? args.getString("monitor") : ""; - if (args.found("background")) - { - std::string opt = args.value<std::string>("background"); - str_to_lower(opt); - background = opt == "true"; - } - -#ifdef BUILD_AUDIO +#ifdef HAVE_AUDIO gst_init(&argc, &argv); #endif - //Context *new_context = new ContextGLFW(); - Context *new_context = new ContextX11(); - if (!new_context->create_window(width > 0 ? width : 640, height > 0 ? height : 480, "mauri", background)) + Context *new_context = new Context(); + if (!new_context->create_window(width, height, "mauri", monitor)) { return EXIT_FAILURE; } - if (!asset_manager()->arm_package(args.value("path"), args.found("output"))) + if (args.found("package")) { - return EXIT_FAILURE; + if (!asset_manager()->arm_package(args.getString("package"), args.found("output"))) + { + return EXIT_FAILURE; + } + } + + asset_manager()->add_search_directory("./assets"); + + if (args.found("directory")) + { + asset_manager()->add_search_directory(args.getString("directory")); } set_context(new_context); - Scene *scene = new Scene("scene.json"); + Scene *scene = Scene::parse("scene.json"); + if (!scene) return EXIT_FAILURE; if (width <= 0) width = scene->width; if (height <= 0) height = scene->height; + scene->offset_camera(xoffset, yoffset); context()->resize_window(width, height); Engine *engine = new Engine(scene, 1.f, true); - std::chrono::time_point<std::chrono::system_clock> begin = std::chrono::system_clock::now(); + u64 begin = aki_get_timestamp(); scene->load(engine); - using us = std::chrono::microseconds; - u64 duration = std::chrono::duration_cast<us>(std::chrono::system_clock::now() - begin).count(); - info("scene loaded in %fs", duration / 1000000.f); + u64 duration = aki_get_timestamp() - begin; + info("scene loaded in %.2fs", duration / 1000000.f); - if (asset_manager()->prepare_output) - { - asset_manager()->write_files(args.value("output")); - } - else - { - engine->run(); - } + if (asset_manager()->prepare_output) asset_manager()->write_files(args.getString("output")); + else engine->run(); delete scene; delete engine; - asset_manager()->unload_package(); + unload_shaders(); + + if (args.found("package")) asset_manager()->unload_package(); context()->close_window(); set_context(nullptr); -#ifdef BUILD_AUDIO +#ifdef HAVE_AUDIO //gst_deinit(); #endif diff --git a/src/objects/effect.cc b/src/objects/effect.cc index 5542ccc..92f7dda 100644 --- a/src/objects/effect.cc +++ b/src/objects/effect.cc @@ -1,48 +1,58 @@ -#include "pass.h" #include "effect.h" +#include "pass.h" using namespace Mauri; -Effect::Effect(Parser &pr, const json &root) +auto Effect::parse(Parser &pr, const json &root) -> Effect * { + Effect *effect = new Effect(); + Asset *asset = asset_manager()->get_file(root["file"]); - if (asset->type == ASSET_VOID) return; + if (asset->type == ASSET_VOID) parse_fail(effect); - const json &file = json::parse(asset->as_string()); - if (file.is_discarded()) return; + const json &file = json::parse(asset->as_string(), nullptr, false); + if (file.is_discarded()) parse_fail(effect); - pr.map_value<u32>(root, "id", &this->id, 0); - pr.map_value<bool>(root, "visible", &this->visible, true); - pr.map_value<std::string>(file, "name", &this->name, ""); + pr.map_value<u32>(root, "id", &effect->id, 0); + pr.map_value<bool>(root, "visible", &effect->visible, true); + pr.map_value<std::string>(file, "name", &effect->name, ""); if (root.contains("passes")) { for (const json &pass0 : root["passes"]) { - this->passes0.emplace_back(new Pass(pr, pass0, EFFECT0_PASS)); + Pass *pass = Pass::parse(pr, pass0, EFFECT0_PASS); + if (pass) effect->passes0.emplace_back(pass); } } + if (effect->passes0.size() == 0) parse_fail(effect); + if (file.contains("passes")) { for (const json &pass1 : file["passes"]) { - this->passes1.emplace_back(new Pass(pr, pass1, EFFECT1_PASS)); + Pass *pass = Pass::parse(pr, pass1, EFFECT1_PASS); + if (pass) effect->passes1.emplace_back(pass); } } + if (effect->passes1.size() == 0) parse_fail(effect); + if (file.contains("fbos")) { for (const json &fbo : file["fbos"]) { - this->fbos.emplace_back(EffectBuffer{fbo["name"], fbo.contains("scale") ? (f32)fbo["scale"] : 1.f }); + effect->fbos.emplace_back(EffectBuffer{fbo["name"], fbo.contains("scale") ? (f32)fbo["scale"] : 1.f }); } } + + return effect; } auto Effect::load(Engine *engine, Object *object, bool last) -> void { - this->buffer_id = str_format("_%i_%i", object->id, this->id); + this->buffer_id = "_" + std::to_string(object->id) + "_" + std::to_string(this->id); for (const EffectBuffer &fbo : this->fbos) { @@ -82,14 +92,14 @@ auto Effect::draw(Engine *engine) -> void { if (!this->visible) return; -#if FRAME_STEP - std::cout << this->name << ":\n"; +#ifdef FRAME_STEP + al_printf("%s\n", this->name.c_str()); #endif for (RenderPass *pass : this->passes) { -#if FRAME_STEP - if (pass->shader) std::cout << "\t" << pass->shader->origin()->name << "\n"; +#ifdef FRAME_STEP + if (pass->shader) al_printf("\t%s\n", pass->shader->origin()->name.c_str()); #endif pass->draw(engine); } diff --git a/src/objects/effect.h b/src/objects/effect.h index cb53a04..710fc51 100644 --- a/src/objects/effect.h +++ b/src/objects/effect.h @@ -3,7 +3,6 @@ #include "../json.h" #include "../engine.h" -#include "../texture.h" namespace Mauri { @@ -20,7 +19,7 @@ class RenderPass; class Effect { public: - Effect(Parser &pr, const json &root); + Effect() = default; ~Effect(); u32 id; @@ -32,6 +31,8 @@ class Effect std::vector<RenderPass *> passes; + static auto parse(Parser &pr, const json &root) -> Effect *; + auto load(Engine *engine, Object *object, bool last) -> void; auto draw(Engine *engine) -> void; diff --git a/src/objects/material.cc b/src/objects/material.cc index b17a102..e3e3e02 100644 --- a/src/objects/material.cc +++ b/src/objects/material.cc @@ -1,23 +1,28 @@ -#include "pass.h" #include "material.h" +#include "pass.h" using namespace Mauri; -Material::Material(Parser &pr, const std::string &path) +auto Material::parse(Parser &pr, const std::string &path) -> Material * { + Material *material = new Material(); + Asset *asset = asset_manager()->get_file(path); - if (asset->type == ASSET_VOID) return; + if (asset->type == ASSET_VOID) parse_fail(material); - const json &root = json::parse(asset->as_string()); - if (root.is_discarded()) return; + const json &root = json::parse(asset->as_string(), nullptr, false); + if (root.is_discarded()) parse_fail(material); if (root.contains("passes")) { - for (const json &pass : root["passes"]) + for (const json &pass0 : root["passes"]) { - this->passes0.push_back(new Pass(pr, pass, MATERIAL_PASS)); + Pass *pass = Pass::parse(pr, pass0, MATERIAL_PASS); + if (pass) material->passes0.push_back(pass); } } + + return material; } auto Material::load(Engine *engine, Object *object, MaterialType type, Pass *pass) -> void diff --git a/src/objects/material.h b/src/objects/material.h index cfea216..a0edca7 100644 --- a/src/objects/material.h +++ b/src/objects/material.h @@ -7,16 +7,22 @@ namespace Mauri { -enum MaterialType { MATERIAL_MODEL, MATERIAL_EFFECT }; +enum MaterialType +{ + MATERIAL_MODEL = 0, + MATERIAL_EFFECT +}; class Pass; class Material { public: - Material(Parser &pr, const std::string &path); + Material() = default; ~Material(); + static auto parse(Parser &pr, const std::string &path) -> Material *; + std::vector<Pass *> passes0; auto load(Engine *engine, Object *object, MaterialType type, Pass *pass) -> void; diff --git a/src/objects/model.cc b/src/objects/model.cc index b916ec7..830bdaf 100644 --- a/src/objects/model.cc +++ b/src/objects/model.cc @@ -2,22 +2,27 @@ using namespace Mauri; -Model::Model(Parser &pr, const std::string &path) +auto Model::parse(Parser &pr, const std::string &path) -> Model * { + Model *model = new Model(); + Asset *asset = asset_manager()->get_file(path); - if (asset->type == ASSET_VOID) return; + if (asset->type == ASSET_VOID) parse_fail(model); + + const json &root = json::parse(asset->as_string(), nullptr, false); + if (root.is_discarded()) parse_fail(model); - const json &root = json::parse(asset->as_string()); - if (root.is_discarded()) return; + pr.map_value<bool>(root, "autosize", &model->autosize, false); + pr.map_value<bool>(root, "fullscreen", &model->fullscreen, false); + pr.map_value<bool>(root, "passthrough", &model->passthrough, false); - pr.map_value<bool>(root, "autosize", &this->autosize, false); - pr.map_value<bool>(root, "fullscreen", &this->fullscreen, false); - pr.map_value<bool>(root, "passthrough", &this->passthrough, false); + pr.map_value<f32>(root, "width", &model->width, 0.f); + pr.map_value<f32>(root, "height", &model->height, 0.f); - pr.map_value<f32>(root, "width", &this->width, 0.f); - pr.map_value<f32>(root, "height", &this->height, 0.f); + if (root.contains("material")) model->material = Material::parse(pr, root["material"]); + if (!model->material) parse_fail(model); - if (root.contains("material")) this->material = new Material(pr, root["material"]); + return model; } auto Model::load(Engine *engine, Object *object) -> void diff --git a/src/objects/model.h b/src/objects/model.h index f6b532a..d000bd7 100644 --- a/src/objects/model.h +++ b/src/objects/model.h @@ -9,7 +9,7 @@ namespace Mauri class Model { public: - Model(Parser &pr, const std::string &path); + Model() = default; ~Model(); bool autosize = true; @@ -19,6 +19,8 @@ class Model f32 width; f32 height; + static auto parse(Parser &pr, const std::string &path) -> Model *; + auto load(Engine *engine, Object *object) -> void; private: diff --git a/src/objects/object.cc b/src/objects/object.cc index ac64a25..d648b63 100644 --- a/src/objects/object.cc +++ b/src/objects/object.cc @@ -1,21 +1,21 @@ -#include "../context.h" - -#include "pass.h" -#include "scene.h" #include "object.h" +#include "scene.h" +#include "pass.h" using namespace Mauri; -Object::Object(Parser &pr, const json &root) +auto Object::parse(Parser &pr, const json &root) -> Object * { - pr.map_value<u32>(root, "id", &this->id, 0); - pr.map_value<std::string>(root, "name", &this->name, ""); + Object *object = new Object(); + + pr.map_value<u32>(root, "id", &object->id, 0); + pr.map_value<std::string>(root, "name", &object->name, ""); if (root.contains("dependencies")) { for (const json &id : root["dependencies"]) { - this->deps.push_back(id); + object->deps.push_back(id); } } @@ -23,11 +23,11 @@ Object::Object(Parser &pr, const json &root) // object or are repeated. This could be handled be sorting objects // on the scene in order of deps but I'm not sure if that would // break other things. - auto it = this->deps.begin(); - while (it != this->deps.end()) + auto it = object->deps.begin(); + while (it != object->deps.end()) { - bool remove = ((u32)(*it) == id); - for (auto rt = this->deps.begin(); rt != this->deps.end(); ++rt) + bool remove = ((u32)(*it) == object->id); + for (auto rt = object->deps.begin(); rt != object->deps.end(); ++rt) { if (rt != it && *rt == *it) { @@ -35,44 +35,48 @@ Object::Object(Parser &pr, const json &root) break; } } - if (remove) this->deps.erase(it); + if (remove) object->deps.erase(it); else it++; } - pr.map_value<bool>(root, "visible", &this->visible, true); - pr.map_value<vec3>(root, "angles", &this->angles, vec3(0.f)); - pr.map_value<vec2>(root, "size", &this->size, vec2(0.f)); - pr.map_value<vec3>(root, "scale", &this->scale, vec3(0.f)); - pr.map_value<vec3>(root, "origin", &this->origin, vec3(0.f)); - if (this->origin[2] != 0.f) + pr.map_value<bool>(root, "visible", &object->visible, true); + pr.map_value<vec3>(root, "angles", &object->angles, vec3(0.f)); + pr.map_value<vec2>(root, "size", &object->size, vec2(0.f)); + pr.map_value<vec3>(root, "scale", &object->scale, vec3(1.f)); + pr.map_value<vec3>(root, "origin", &object->origin, vec3(0.f)); + if (object->origin[2] != 0.f) { warn("non 0 origin[2]"); - this->origin[2] = 0.f; + object->origin[2] = 0.f; } - pr.map_value<vec3>(root, "color", &this->color, vec3(0.f)); - pr.map_value<f32>(root, "alpha", &this->alpha, 1.f); - pr.map_value<s32>(root, "colorBlendMode", &this->color_blend_mode, 0); + pr.map_value<vec3>(root, "color", &object->color, vec3(0.f)); + pr.map_value<f32>(root, "alpha", &object->alpha, 1.f); + pr.map_value<s32>(root, "colorBlendMode", &object->color_blend_mode, 0); - this->color4 = vec4{this->color[0], this->color[1], this->color[2], this->alpha}; + object->color4 = vec4{object->color[0], object->color[1], object->color[2], object->alpha}; if (root.contains("image")) { const json &image = root["image"]; - if (image.is_string()) this->model = new Model(pr, image); + if (image.is_string()) object->model = Model::parse(pr, image); + if (!object->model) parse_fail(object); } if (root.contains("config")) { - pr.map_value<bool>(root["config"], "passthrough", &this->passthrough, false); + pr.map_value<bool>(root["config"], "passthrough", &object->passthrough, false); } if (root.contains("effects")) { for (const json &effect : root["effects"]) { - this->effects.emplace_back(new Effect(pr, effect)); + Effect *eff = Effect::parse(pr, effect); + if (eff) object->effects.emplace_back(eff); } } + + return object; } auto Object::load(Engine *engine) -> void @@ -110,8 +114,9 @@ auto Object::load(Engine *engine) -> void if (this->size[1] == 0.f) this->size[1] = engine->scene->height; } - this->buffer_a = str_format("_rt_imageLayerComposite_%i_a", this->id); - this->buffer_b = str_format("_rt_imageLayerComposite_%i_b", this->id); + const std::string buffer_name = "_rt_imageLayerComposite_" + std::to_string(this->id) + "_"; + this->buffer_a = buffer_name + "a"; + this->buffer_b = buffer_name + "b"; engine->create_framebuffer(this->buffer_a, this->size[0], this->size[1], 1.f); engine->create_framebuffer(this->buffer_b, this->size[0], this->size[1], 1.f); @@ -151,23 +156,7 @@ auto Object::load(Engine *engine) -> void blend_pass.combos.push_back(Combo("BLENDMODE", this->color_blend_mode)); blend_pass.combos.push_back(Combo("TRANSFORM", 1)); - RenderPass *pass = new RenderPass(engine, &blend_pass); - this->effects.back()->passes.emplace_back(pass); - - /* - blend_pass.combine = true; - - blend_pass.target = ""; - blend_pass.textures[1] = ""; - blend_pass.shader = "minimal"; - - blend_pass.combos.clear(); - - pass = new RenderPass(engine, &blend_pass); - //pass->mat = &engine->default_mat; - //pass->render_object = engine->default_object; - this->effects.back()->passes.emplace_back(pass); - */ + this->effects.back()->passes.emplace_back(new RenderPass(engine, &blend_pass)); } this->loaded = true; @@ -183,7 +172,7 @@ auto Object::create_objects(Engine *engine, Texture *texture) -> void { // Something about positioning is wrong, affects most gifs. } - if (this->passthrough) + if (this->passthrough && !this->fullscreen) { this->model_model = this->combine_model; this->model_model = glm::rotate(this->model_model, this->angles[0], vec3{1.f, 0.f, 0.f}); @@ -204,16 +193,16 @@ auto Object::create_objects(Engine *engine, Texture *texture) -> void auto Object::draw_internal(Engine *engine) -> void { -#if FRAME_STEP - std::cout << this->name << " (model):\n"; +#ifdef FRAME_STEP + al_printf("%s (model):\n", this->name.c_str()); #endif this->buffer_switch = true; for (RenderPass *pass : this->passes) { -#if FRAME_STEP - std::cout << "\t" << pass->shader->origin()->name << "\n";; +#ifdef FRAME_STEP + al_printf("\t%s\n", pass->shader->origin()->name.c_str()); #endif pass->draw(engine); } diff --git a/src/objects/object.h b/src/objects/object.h index a171fae..9c9f60c 100644 --- a/src/objects/object.h +++ b/src/objects/object.h @@ -7,13 +7,21 @@ namespace Mauri { -enum ObjectAlignment { CENTER }; -enum BlendMode { TRANSLUCENT, NORMAL }; +enum ObjectAlignment +{ + CENTER = 0 +}; + +enum BlendMode +{ + TRANSLUCENT = 0, + NORMAL +}; class Object { public: - Object(Parser &pr, const json &root); + Object() = default; ~Object(); u32 id; @@ -42,6 +50,8 @@ class Object RenderObject *model_object = nullptr; RenderObject *combine_object = nullptr; + static auto parse(Parser &pr, const json &root) -> Object *; + auto get_target_buffer() const -> const std::string &; auto get_texture_buffer() const -> const std::string &; diff --git a/src/objects/pass.cc b/src/objects/pass.cc index 49533e1..04e23d5 100644 --- a/src/objects/pass.cc +++ b/src/objects/pass.cc @@ -1,38 +1,37 @@ -#include <thread> - #include "../gl.h" -#include "../context.h" -#include "scene.h" #include "pass.h" using namespace Mauri; -Pass::Pass(Parser &pr, const json &root, PassStage stage) +auto Pass::parse(Parser &pr, const json &root, PassStage stage) -> Pass * { + Pass *pass = new Pass(); + switch (stage) { case EFFECT0_PASS: break; case EFFECT1_PASS: { - if (root.contains("material")) this->material = new Material(pr, root["material"]); + if (root.contains("material")) pass->material = Material::parse(pr, root["material"]); + if (!pass->material) parse_fail(pass); if (root.contains("command")) { const json command = root["command"]; - if (command == "copy") this->command = COPY; + if (command == "copy") pass->command = COPY; } - if (root.contains("target")) this->target = root["target"]; - if (root.contains("source")) this->source = root["source"]; + if (root.contains("target")) pass->target = root["target"]; + if (root.contains("source")) pass->source = root["source"]; - this->binds[0] = "previous"; + pass->binds[0] = "previous"; if (root.contains("bind")) { for (const json &bind : root["bind"]) { - this->binds[bind["index"]] = bind["name"]; + pass->binds[bind["index"]] = bind["name"]; } } @@ -40,7 +39,10 @@ Pass::Pass(Parser &pr, const json &root, PassStage stage) } case MATERIAL_ONLY_PASS: case MATERIAL_PASS: - this->shader = root["shader"]; + pass->shader = root["shader"]; + if (pass->shader == "genericimage4") { + pass->shader = "genericimage2"; + } break; } @@ -51,7 +53,7 @@ Pass::Pass(Parser &pr, const json &root, PassStage stage) { UniformOverride *uniform = new UniformOverride{vec4(0.f), value.key()}; pr.map_value<vec4>(uniforms, value.key(), &uniform->value, vec4(0.f)); - this->uniforms.push_back(uniform); + pass->uniforms.push_back(uniform); } } @@ -60,7 +62,7 @@ Pass::Pass(Parser &pr, const json &root, PassStage stage) const json textures = root["textures"]; for (u32 i = 0; i < textures.size(); i++) { - if (textures[i].is_string()) this->textures[i] = textures[i]; + if (textures[i].is_string()) pass->textures[i] = textures[i]; } } @@ -68,9 +70,11 @@ Pass::Pass(Parser &pr, const json &root, PassStage stage) { for (const auto &combo : root["combos"].items()) { - this->combos.emplace_back(Combo(combo.key(), combo.value())); + pass->combos.emplace_back(Combo(combo.key(), combo.value())); } } + + return pass; } auto Pass::load(Engine *engine, PassStage stage, Pass *pass) -> void @@ -169,7 +173,7 @@ RenderPass::RenderPass(Engine *engine, Pass *pass) pass->combos.push_back(Combo(this->shader->origin()->texture_combos[i], !pass->textures[i].empty())); } - if (!this->shader->origin()->textures[i].empty() && pass->textures[i].empty()) + if (pass->textures[i].empty() && !this->shader->origin()->textures[i].empty()) { pass->textures[i] = this->shader->origin()->textures[i]; } @@ -193,9 +197,12 @@ RenderPass::RenderPass(Engine *engine, Pass *pass) } } - if (i == 0 && this->textures[0] && this->model) + if (this->model && i == 0 && this->textures[0]) { - if (this->textures[0]->is_gif()) pass->combos.push_back(Combo("SPRITESHEET", 1)); + if (this->textures[0]->is_gif()) + { + pass->combos.push_back(Combo("SPRITESHEET", 1)); + } this->object->create_objects(engine, this->textures[0]); objects_created = true; } @@ -267,41 +274,41 @@ RenderPass::RenderPass(Engine *engine, Pass *pass) } } -#if _DEBUG_ +#ifdef _DEBUG_ debug("PASS (%s)", this->command == COPY ? "copy" : "draw"); - debug(" object: %s (passthrough: %i, fullscreen %i)", this->object->name.c_str(), + debug(" object: %s (passthrough: %d, fullscreen %d)", this->object->name.c_str(), this->object->passthrough, this->object->fullscreen); - //debug(" visible: %i", ); - debug(" shader: %s", this->shader->origin()->name.c_str()); - debug(" target: %s", pass->target.c_str()); - debug(" textures (%i):", this->shader->origin()->texture_count); + debug(" visible: %d", this->object->visible); + debug(" shader: %s", this->shader->origin()->name.c_str()); + debug(" target: %s", pass->target.c_str()); + debug(" textures (%u):", this->shader->origin()->texture_count); for (u32 i = 0; i < this->shader->origin()->texture_count; i++) { switch (this->texture_types[i]) { case STATIC: - if (pass->textures[i].empty() && !this->shader->textures[i].empty()) + if (pass->textures[i].empty() && !this->shader->origin()->textures[i].empty()) { - debug(" %s (DEFAULT)", this->shader->textures[i].c_str()); + debug(" [%u] %s (DEFAULT)", i, this->shader->origin()->textures[i].c_str()); } else { - debug(" %s", pass->textures[i].c_str()); + debug(" [%u] %s", i, pass->textures[i].c_str()); } break; case PREVIOUS: - debug(" previous"); + debug(" [%u] previous", i); break; } } - debug(" uniforms (%li)", this->shader->uniforms.size()); + debug(" uniforms (%u)", this->shader->uniforms.size()); for (Uniform *uniform : this->shader->uniforms) { - debug(" %s %s %s", uniform_type_to_string(uniform->type).c_str(), + debug(" %s %s %s", uniform_type_to_string(uniform->type).c_str(), uniform->uname.c_str(), glm::to_string(*uniform->value).c_str()); } - debug(" model: %i", this->model); - debug(" combine: %i", this->combine); + debug(" model: %d", this->model); + debug(" combine: %d", this->combine); #endif } @@ -341,10 +348,10 @@ auto RenderPass::draw(Engine *engine) -> void this->render_object->draw(); -#if FRAME_STEP - adjusted_target->buffer->blit(0, context()->width, context()->height); +#ifdef FRAME_STEP + adjusted_target->buffer->blit(0, context()->width(), context()->height()); context()->swap_buffers(); - std::this_thread::sleep_for(std::chrono::seconds(1)); + aki_thread_sleep(AKI_TS_FROM_USEC(1000000)); #endif break; } diff --git a/src/objects/pass.h b/src/objects/pass.h index a2b3124..5012ed5 100644 --- a/src/objects/pass.h +++ b/src/objects/pass.h @@ -8,10 +8,25 @@ namespace Mauri { -enum PassStage { EFFECT0_PASS, EFFECT1_PASS, MATERIAL_PASS, MATERIAL_ONLY_PASS }; -enum PassCommand { DRAW, COPY }; +enum PassStage +{ + EFFECT0_PASS = 0, + EFFECT1_PASS, + MATERIAL_PASS, + MATERIAL_ONLY_PASS +}; + +enum PassCommand +{ + DRAW = 0, + COPY +}; -enum TextureType { STATIC, PREVIOUS }; +enum TextureType +{ + STATIC = 0, + PREVIOUS +}; struct UniformOverride { @@ -22,8 +37,7 @@ struct UniformOverride class Pass { public: - Pass() {} - Pass(Parser &pr, const json &root, PassStage stage); + Pass() = default; ~Pass(); bool intermediate; @@ -47,6 +61,8 @@ class Pass std::vector<UniformOverride *> uniforms; std::vector<Combo> combos; + static auto parse(Parser &pr, const json &root, PassStage stage) -> Pass *; + auto load(Engine *engine, PassStage stage, Pass *pass) -> void; private: diff --git a/src/objects/scene.cc b/src/objects/scene.cc index 06412f5..b7d1192 100644 --- a/src/objects/scene.cc +++ b/src/objects/scene.cc @@ -2,37 +2,48 @@ using namespace Mauri; -Scene::Scene(const std::string &path) +auto Scene::parse(const std::string &path) -> Scene * { + Scene *scene = new Scene(); + Asset *asset = asset_manager()->get_file(path); - if (asset->type == ASSET_VOID) return; + if (asset->type == ASSET_VOID) parse_fail(scene); - const json &root = json::parse(asset->as_string()); - if (root.is_discarded()) return; + const json &root = json::parse(asset->as_string(), nullptr, false); + if (root.is_discarded()) parse_fail(scene); - Parser &pr = this->parser; + Parser &pr = scene->parser; const json &camera = root["camera"]; - pr.map_value<vec3>(camera, "center", &this->cam.center, vec3(0.f)); - pr.map_value<vec3>(camera, "eye", &this->cam.eye, vec3(0.f)); - pr.map_value<vec3>(camera, "up", &this->cam.up, vec3(0.f)); + pr.map_value<vec3>(camera, "center", &scene->cam.center, vec3(0.f)); + pr.map_value<vec3>(camera, "eye", &scene->cam.eye, vec3(0.f)); + pr.map_value<vec3>(camera, "up", &scene->cam.up, vec3(0.f)); const json &general = root["general"]; - pr.map_value<bool>(general, "clearenabled", &this->clear_enabled, true); - pr.map_value<vec4>(general, "clearcolor", &this->clear_color, vec4(1.f)); - pr.map_value<f32>(general, "nearz", &this->nearz, -1.f); - pr.map_value<f32>(general, "farz", &this->farz, 1.f); + pr.map_value<bool>(general, "clearenabled", &scene->clear_enabled, true); + pr.map_value<vec4>(general, "clearcolor", &scene->clear_color, vec4(1.f)); + pr.map_value<f32>(general, "nearz", &scene->nearz, -1.f); + pr.map_value<f32>(general, "farz", &scene->farz, 1.f); const json &ortho = general["orthogonalprojection"]; - pr.map_value<s32>(ortho, "width", &this->width, 0); - pr.map_value<s32>(ortho, "height", &this->height, 0); + pr.map_value<s32>(ortho, "width", &scene->width, 0); + pr.map_value<s32>(ortho, "height", &scene->height, 0); for (const json &object : root["objects"]) { if (!object.contains("image") || object["image"].is_null()) continue; - //if (object["name"] == "ICUE") continue; - this->objects.emplace_back(new Object(pr, object)); + if (object["name"] == "ICUE") continue; + Object *obj = Object::parse(scene->parser, object); + if (obj) scene->objects.emplace_back(obj); } + + return scene; +} + +auto Scene::offset_camera(s32 x, s32 y) -> void +{ + this->cam.offset[0] = x; + this->cam.offset[1] = y; } auto Scene::get_object_by_id(u32 id) -> Object * diff --git a/src/objects/scene.h b/src/objects/scene.h index 7b3d07a..2472fda 100644 --- a/src/objects/scene.h +++ b/src/objects/scene.h @@ -11,12 +11,13 @@ struct Camera vec3 center; vec3 eye; vec3 up; + vec2 offset = vec2(0.f); }; class Scene { public: - Scene(const std::string &path); + Scene() = default; ~Scene(); Parser parser; @@ -32,6 +33,10 @@ class Scene bool clear_enabled; vec4 clear_color; + static auto parse(const std::string &path) -> Scene *; + + auto offset_camera(s32 x, s32 y) -> void; + auto get_object_by_id(u32 id) -> Object *; auto load(Engine *engine) -> void; diff --git a/src/shader.cc b/src/shader.cc index 0a2d568..2820b57 100644 --- a/src/shader.cc +++ b/src/shader.cc @@ -1,9 +1,8 @@ -#include <sstream> - -#include "json.h" #include "shader.h" +#include "gl.h" +#include "json.h" -#include "objects/scene.h" +#include "objects/object.h" static const char *compat = \ // "#define mul(x, y) ((y) * (x))\n" @@ -38,15 +37,21 @@ static std::unordered_map<u64, RenderShader *> render_shader_map; auto get_shader(const std::string &name) -> Shader * { - if (shader_map.contains(name)) - { - return new Shader(shader_map[name]); - } + auto rshader = shader_map.find(name); + if (rshader != shader_map.end()) return new Shader(rshader->second); Shader *shader = new Shader(name); shader_map[name] = shader; return shader; } +extern auto unload_shaders() -> void +{ + for (auto &entry : render_shader_map) + { + delete entry.second; + } +} + } // namespace Mauri using namespace Mauri; @@ -74,36 +79,61 @@ Shader::Shader(Shader *origin) this->origin_ = origin; } -static auto simple_audio_bars_hack(std::string_view &line) -> void +static auto simple_audio_bars_hack(std::string_view &line) -> const std::string_view { - if (line == " uint barFreq1 = frequency % RESOLUTION;") + if (line == " uint barFreq1 = frequency % RESOLUTION;\r\n") + { + return " uint barFreq1 = uint(mod(frequency, RESOLUTION));\r\n"; + } + else if (line == " uint barFreq2 = (barFreq1 + 1) % RESOLUTION;\r\n") + { + return " uint barFreq2 = uint(mod((barFreq1 + 1u), RESOLUTION));\r\n"; + } + else if (line == " int bar = step(shapeCoord.y, 0.5 * lerp(g_BarBounds.x, g_BarBounds.y, lerp(barVolume1L, barVolume2L, smoothstep(0, 1, fract(frequency)))));\r\n") { - line = " uint barFreq1 = uint(mod(frequency, RESOLUTION));"; + return " float bar = step(shapeCoord.y, 0.5 * lerp(g_BarBounds.x, g_BarBounds.y, lerp(barVolume1L, barVolume2L, smoothstep(0, 1, fract(frequency)))));\r\n"; } - else if (line == " uint barFreq2 = (barFreq1 + 1) % RESOLUTION;") + else if (line == " int bar = step(1 - shapeCoord.y, lerp(g_BarBounds.x, g_BarBounds.y, lerp(barVolume1, barVolume2, smoothstep(0, 1, fract(frequency)))));\r\n") { - line = " uint barFreq2 = uint(mod((barFreq1 + 1u), RESOLUTION));"; + return " float bar = step(1 - shapeCoord.y, lerp(g_BarBounds.x, g_BarBounds.y, lerp(barVolume1, barVolume2, smoothstep(0, 1, fract(frequency)))));\r\n"; } - else if (line == " int bar = step(shapeCoord.y, 0.5 * lerp(g_BarBounds.x, g_BarBounds.y, lerp(barVolume1L, barVolume2L, smoothstep(0, 1, fract(frequency)))));") + else if (line == " int bar = step(1 - shapeCoord.y, barHeight);\r\n") { - line = " float bar = step(shapeCoord.y, 0.5 * lerp(g_BarBounds.x, g_BarBounds.y, lerp(barVolume1L, barVolume2L, smoothstep(0, 1, fract(frequency)))));"; + return " float bar = step(1 - shapeCoord.y, barHeight);\r\n"; } - else if (line == " int bar = step(1 - shapeCoord.y, lerp(g_BarBounds.x, g_BarBounds.y, lerp(barVolume1, barVolume2, smoothstep(0, 1, fract(frequency)))));") + else if (line == " int barLeft = step(shapeCoord.y, barHeightLeft);\r\n") { - line = " float bar = step(1 - shapeCoord.y, lerp(g_BarBounds.x, g_BarBounds.y, lerp(barVolume1, barVolume2, smoothstep(0, 1, fract(frequency)))));"; + return " float barLeft = step(shapeCoord.y, barHeightLeft);\r\n"; } - else if (line == " int bar = step(1 - shapeCoord.y, barHeight);") + else if (line == " int barRight = step(1 - shapeCoord.y, barHeightRight);\r\n") { - line = " float bar = step(1 - shapeCoord.y, barHeight);"; + return " float barRight = step(1 - shapeCoord.y, barHeightRight);\r\n"; } - else if (line == " int barLeft = step(shapeCoord.y, barHeightLeft);") + else if (line == " shapeCoord.x += endAngle - startAngle < 0.0;\r\n") { - line = " float barLeft = step(shapeCoord.y, barHeightLeft);"; + return " shapeCoord.x += endAngle - int(startAngle < 0.0);\r\n"; } - else if (line == " int barRight = step(1 - shapeCoord.y, barHeightRight);") + else if (line == " bar *= shapeCoord.x > 0.0 && shapeCoord.x * sign(endAngle - startAngle) < 1.0;\r\n") { - line = " float barRight = step(1 - shapeCoord.y, barHeightRight);"; + return " bar *= int(shapeCoord.x > 0.0 && shapeCoord.x * sign(endAngle - startAngle) < 1.0);\r\n"; } + return line; +} + +static auto bokeh_blur_hack(std::string_view &line) -> const std::string_view +{ + if (line == " depth *= (depth < blurPreciseLimit) * 6.0;\r\n") + { + return " depth *= int(depth < blurPreciseLimit) * 6.0;\r\n"; + } + return line; +} + +static auto apply_hacks(std::string_view line) -> const std::string_view +{ + line = simple_audio_bars_hack(line); + line = bokeh_blur_hack(line); + return line; } auto Shader::build_shader_source(const std::string_view &isource, std::stringstream &out) -> void @@ -112,11 +142,18 @@ auto Shader::build_shader_source(const std::string_view &isource, std::stringstr std::stringstream prefix; - for (const auto &range : std::ranges::split_view(isource, std::string_view("\r\n"))) - { - std::string_view line = std::string_view(range.data(), range.size()); + auto cursor = isource.begin(); + auto end = isource.end(); - simple_audio_bars_hack(line); + while (cursor != end) + { + auto end_of_line = std::find(cursor, end, '\n'); + if (end_of_line != end) { + end_of_line++; + } + std::string_view raw_line = std::string_view(cursor, end_of_line - cursor); + cursor += raw_line.length(); + const std::string_view line = apply_hacks(raw_line); bool cut_line = false; bool prepend_line = false; @@ -257,7 +294,7 @@ auto Shader::build_shader_source(const std::string_view &isource, std::stringstr { size_t open = line.find('{'); std::string_view combo = line.substr(open, line.length() - open); - const json &root = json::parse(combo); + const json &root = json::parse(combo, nullptr, false); if (!root.is_discarded()) { if (root.contains("default")) @@ -274,8 +311,8 @@ auto Shader::build_shader_source(const std::string_view &isource, std::stringstr if (!cut_line) { - if (prepend_line) prefix << line << "\n"; - else out << line << "\n"; + if (prepend_line) prefix << line; + else out << line; } } @@ -285,12 +322,12 @@ auto Shader::build_shader_source(const std::string_view &isource, std::stringstr auto Combo::to_string() const -> const std::string { - return str_format("#define %s %i\n", this->name.c_str(), this->value); + return "#define " + this->name + " " + std::to_string(this->value) + "\n"; } auto Variable::to_string() const -> const std::string { - return str_format("varying %s %s;\n", uniform_type_to_string(this->type).c_str(), this->name.c_str()); + return "varying " + uniform_type_to_string(this->type) + " " + this->name + ";\n"; } auto Shader::compile(const std::vector<Combo> &combo_overrides) -> RenderShader * @@ -306,7 +343,6 @@ auto Shader::compile(const std::vector<Combo> &combo_overrides) -> RenderShader { shader_combo.value = combo.value; add = false; - break; } } if (add) adjusted_combos.push_back(combo); @@ -321,27 +357,25 @@ auto Shader::compile(const std::vector<Combo> &combo_overrides) -> RenderShader u64 hash = std::hash<std::string>{}(this->origin()->name + combos_str.str()); - if (!render_shader_map.contains(hash)) - { - std::stringstream preamble; - - preamble << version; - preamble << compat; + auto rshader = render_shader_map.find(hash); + if (rshader != render_shader_map.end()) return rshader->second; - preamble << combos_str.str(); + std::stringstream preamble; - for (const Variable &variable : this->origin()->variables) - { - preamble << variable.to_string(); - } + preamble << version; + preamble << compat; - std::string vs_source = preamble.str() + mul + this->origin()->vs_source.str(); - std::string fs_source = preamble.str() + this->origin()->fs_source.str(); + preamble << combos_str.str(); - render_shader_map[hash] = new RenderShader(vs_source, fs_source); + for (const Variable &variable : this->origin()->variables) + { + preamble << variable.to_string(); } - return render_shader_map[hash]; + std::string vs_source = preamble.str() + mul + this->origin()->vs_source.str(); + std::string fs_source = preamble.str() + this->origin()->fs_source.str(); + + return render_shader_map[hash] = new RenderShader(vs_source, fs_source); } auto Shader::bind(RenderShader *shader, Engine *engine, Object *object, mat4x4 *model, @@ -408,7 +442,7 @@ auto Shader::bind(RenderShader *shader, Engine *engine, Object *object, mat4x4 * shader->set_uniform("g_Color4", TYPE_VEC4, glm::value_ptr(object->color4)); } -#ifdef BUILD_AUDIO +#ifdef HAVE_AUDIO if (engine->audio_enabled) { engine->vis->update(); @@ -436,11 +470,15 @@ auto Shader::bind(RenderShader *shader, Engine *engine, Object *object, mat4x4 * glUniform1fv(shader->get_uniform_location("g_AudioSpectrum16Left"), 16, empty_bars.data()); glUniform1fv(shader->get_uniform_location("g_AudioSpectrum16Right"), 16, empty_bars.data()); #endif -#ifdef BUILD_AUDIO +#ifdef HAVE_AUDIO } #endif } Shader::~Shader() { + for (Uniform *uniform : this->uniforms) + { + delete uniform; + } } diff --git a/src/shader.h b/src/shader.h index 1ce4209..c3b2738 100644 --- a/src/shader.h +++ b/src/shader.h @@ -24,10 +24,9 @@ struct Uniform struct Combo { - Combo(const std::string &name, s32 value) - : name(name), value(value) + Combo(const std::string &name, s32 value) : name(name), value(value) { - str_to_upper(this->name); + std::transform(this->name.begin(), this->name.end(), this->name.begin(), ::toupper); } std::string name; s32 value; @@ -80,6 +79,7 @@ private: }; extern auto get_shader(const std::string &name) -> Shader *; +extern auto unload_shaders() -> void; } // namespace Mauri diff --git a/src/texture.cc b/src/texture.cc index 21dfd90..8b7aa23 100644 --- a/src/texture.cc +++ b/src/texture.cc @@ -1,12 +1,16 @@ +_Pragma("GCC diagnostic push") +_Pragma("GCC diagnostic ignored \"-Wunused-function\"") +_Pragma("GCC diagnostic ignored \"-Wmissing-field-initializers\"") #define STB_IMAGE_WRITE_IMPLEMENTATION -#define STBI_NO_FAILURE_STRINGS -#define STB_IMAGE_STATIC +#define STB_IMAGE_WRITE_STATIC #include <stb_image_write.h> #define STB_IMAGE_IMPLEMENTATION +#define STB_IMAGE_STATIC #define STBI_NO_STDIO +#define STBI_NO_FAILURE_STRINGS #include <stb_image.h> - +_Pragma("GCC diagnostic pop") #include <lz4.h> #include <s3tc.h> @@ -194,10 +198,7 @@ Texture::Texture(Asset *asset) std::string_view gif_container = asset->reads(9); u32 gif_frame_count = asset->read<u32>(); - if (gif_container.compare(0, 8, "TEXS0002") == 0) - { - //this->flags.m.IS_GIF = 0; - } + if (gif_container.compare(0, 8, "TEXS0002") == 0) {} else if (gif_container.compare(0, 8, "TEXS0003") == 0) { this->gif_width = asset->read<u32>(); @@ -275,8 +276,10 @@ auto Texture::save_to_file(const std::string &filename) -> void { for (u32 i = 0; i < this->textures.size(); i++) { - stbi_write_png((filename + std::to_string(i)).c_str(), this->textures[i]->width, this->textures[i]->height, - 4, this->textures[i]->pixels.data(), 4 * this->textures[i]->width); + u32 width = this->textures[i]->width; + u32 height = this->textures[i]->height; + u32 *data = this->textures[i]->pixels.data(); + stbi_write_png((filename + std::to_string(i)).c_str(), width, height, 4, data, 4 * width); } } @@ -284,3 +287,16 @@ Texture::~Texture() { if (!this->wrapped) delete this->texture; } + +Framebuffer::Framebuffer(std::string name, s32 width, s32 height, f32 scale) + : name(name) +{ + this->buffer = new RenderFramebuffer(width, height, scale); + this->texture = new Texture(this->buffer); +} + +Framebuffer::~Framebuffer() +{ + if (this->buffer) delete this->buffer; + if (this->texture) delete this->texture; +} diff --git a/src/texture.h b/src/texture.h index c552037..e68ce1f 100644 --- a/src/texture.h +++ b/src/texture.h @@ -7,7 +7,12 @@ namespace Mauri { -enum TextureVersion { TEXB0001, TEXB0002, TEXB0003 }; +enum TextureVersion +{ + TEXB0001 = 0, + TEXB0002, + TEXB0003 +}; enum TextureFormat { @@ -79,6 +84,18 @@ class Texture std::vector<TextureFrame> frames; }; +class Framebuffer +{ + public: + Framebuffer(std::string name, s32 width, s32 height, f32 scale); + ~Framebuffer(); + + std::string name; + + RenderFramebuffer *buffer; + Texture *texture; +}; + } // namespace Mauri #endif // _TEXTURE_H diff --git a/src/util.cc b/src/util.cc deleted file mode 100644 index 8a02572..0000000 --- a/src/util.cc +++ /dev/null @@ -1,16 +0,0 @@ -#include "util.h" - -namespace Mauri -{ - -auto str_to_lower(std::string &s) -> void -{ - transform(s.begin(), s.end(), s.begin(), ::tolower); -} - -auto str_to_upper(std::string &s) -> void -{ - transform(s.begin(), s.end(), s.begin(), ::toupper); -} - -} // namespace Mauri @@ -1,58 +1,26 @@ #ifndef _UTIL_H #define _UTIL_H -#include <stdint.h> +extern "C" { +#include <al/types.h> +} -#include <glm/glm.hpp> -#include <glm/gtx/matrix_major_storage.hpp> -#include <glm/gtc/type_ptr.hpp> -#include <glm/gtx/string_cast.hpp> -#include <nlohmann/json.hpp> +#undef array +#include <array> +#include <vector> +#include <unordered_map> +#include <sstream> +#include <algorithm> +#include <cmath> #include "log.h" -using namespace glm; -using namespace nlohmann; - -#define FRAME_STEP 0 -#define UNIFORM_DEBUG 0 - -#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0])) - -typedef uint32_t u32; -typedef int32_t s32; - -typedef uint64_t u64; -typedef int64_t s64; - -typedef uint16_t u16; -typedef int16_t s16; - -typedef uint8_t u8; -typedef int8_t s8; - -typedef float f32; -typedef double f64; - -typedef unsigned char byte; - -namespace Mauri -{ - -template<typename ... Args> -static auto str_format(const std::string &format, Args ... args) -> std::string -{ - s32 size_s = std::snprintf(nullptr, 0, format.c_str(), args ...) + 1; - if (size_s <= 0) { return ""; } - auto size = static_cast<size_t>(size_s); - std::unique_ptr<char[]> buf(new char[size]); - std::snprintf(buf.get(), size, format.c_str(), args ...); - return std::string(buf.get(), buf.get() + size - 1); -} +// Pause after every pass. +//#define FRAME_STEP -auto str_to_lower(std::string &s) -> void; -auto str_to_upper(std::string &s) -> void; +// Print uniforms each frame. +//#define UNIFORM_DEBUG -} // namespace Mauri +typedef uint8_t byte; #endif // _UTIL_H @@ -1,5 +1,3 @@ -#include <cmath> - #include "vis.h" using namespace Mauri; @@ -129,7 +127,11 @@ auto Visualizer::update() -> void g_mutex_lock(&this->mutex); - if (!this->sample) return; + if (!this->sample) + { + g_mutex_unlock(&this->mutex); + return; + } GstBuffer *buffer = gst_sample_get_buffer(sample); @@ -199,21 +201,24 @@ auto Visualizer::update_sample() -> void this->sample_processed = false; } -static auto new_sample_callback(GstElement *appsink, gpointer *data) -> GstFlowReturn +static auto sample_callback(GstElement *appsink, gpointer *data) -> GstFlowReturn { Visualizer *vis = (Visualizer *)data; + g_mutex_lock(&vis->mutex); vis->update_sample(); g_mutex_unlock(&vis->mutex); + return GST_FLOW_OK; } +/* static auto main_thread(void *data) -> void * { Visualizer *vis = (Visualizer *)data; - GstMessage *msg = gst_bus_timed_pop_filtered(vis->bus, - GST_CLOCK_TIME_NONE, (GstMessageType)(GST_MESSAGE_ERROR | GST_MESSAGE_EOS)); + GstMessageType filter = (GstMessageType)(GST_MESSAGE_ERROR | GST_MESSAGE_EOS); + GstMessage *msg = gst_bus_timed_pop_filtered(vis->bus, GST_CLOCK_TIME_NONE, filter); if (!msg) return 0; @@ -230,6 +235,7 @@ static auto main_thread(void *data) -> void * return 0; } +*/ auto Visualizer::run() -> bool { @@ -253,34 +259,34 @@ auto Visualizer::run() -> bool gst_element_set_state(this->pipeline, GST_STATE_PLAYING); - this->bus = gst_pipeline_get_bus(GST_PIPELINE(this->pipeline)); - - this->signal_handler = g_signal_connect(this->appsink, "new-sample", - G_CALLBACK(new_sample_callback), this); + this->signal_handler = g_signal_connect(this->appsink, "new-sample", G_CALLBACK(sample_callback), this); - this->thread = g_thread_new(nullptr, main_thread, this); + //this->bus = gst_pipeline_get_bus(GST_PIPELINE(this->pipeline)); + //this->thread = g_thread_new(nullptr, main_thread, this); return true; } Visualizer::~Visualizer() { - if (this->in_left) fftw_free(this->in_left); - if (this->in_right) fftw_free(this->in_right); - if (this->out_left) fftw_free(this->out_left); - if (this->out_right) fftw_free(this->out_right); - - g_mutex_clear(&this->mutex); - /* gst_bus_post(this->bus, gst_message_new_eos(GST_OBJECT(this->pipeline))); g_thread_join(this->thread); gst_object_unref(this->bus); + */ + + g_signal_handler_disconnect(this->appsink, this->signal_handler); //gst_element_set_state(this->pipeline, GST_STATE_NULL); //gst_element_get_state(this->pipeline, nullptr, nullptr, GST_CLOCK_TIME_NONE); //gst_object_unref(this->pipeline); if (this->sample) gst_sample_unref(this->sample); - */ + + if (this->in_left) fftw_free(this->in_left); + if (this->in_right) fftw_free(this->in_right); + if (this->out_left) fftw_free(this->out_left); + if (this->out_right) fftw_free(this->out_right); + + g_mutex_clear(&this->mutex); } @@ -1,9 +1,9 @@ #ifndef _VISUALIZER_H #define _VISUALIZER_H -#include <atomic> -#include <fftw3.h> #include <gst/gst.h> +#include <fftw3.h> +#include <atomic> #include "util.h" diff --git a/subprojects/argspp/args.cpp b/subprojects/argspp/args.cpp deleted file mode 100644 index 21f483e..0000000 --- a/subprojects/argspp/args.cpp +++ /dev/null @@ -1,477 +0,0 @@ -// ----------------------------------------------------------------------------- -// Args++: an argument-parsing library in portable C++11. -// ----------------------------------------------------------------------------- - -#include "args.h" - -#include <algorithm> -#include <cctype> -#include <iostream> -#include <sstream> -#include <deque> -#include <set> - -using namespace std; -using namespace args; - - -// ----------------------------------------------------------------------------- -// Flags and Options. -// ----------------------------------------------------------------------------- - - -struct args::Flag { - int count = 0; -}; - - -struct args::Option { - vector<string> values; - string fallback; -}; - - -// ----------------------------------------------------------------------------- -// ArgStream. -// ----------------------------------------------------------------------------- - - -struct args::ArgStream { - deque<string> args; - void append(string const& arg); - string next(); - bool hasNext(); -}; - - -void ArgStream::append(string const& arg) { - args.push_back(arg); -} - - -string ArgStream::next() { - string arg = args.front(); - args.pop_front(); - return arg; -} - - -bool ArgStream::hasNext() { - return args.size() > 0; -} - - -// ----------------------------------------------------------------------------- -// ArgParser: setup. -// ----------------------------------------------------------------------------- - - -void ArgParser::flag(string const& name) { - Flag* flag = new Flag(); - stringstream stream(name); - string alias; - while (stream >> alias) { - flags[alias] = flag; - } -} - - -void ArgParser::option(string const& name, string const& fallback) { - Option* option = new Option(); - option->fallback = fallback; - stringstream stream(name); - string alias; - while (stream >> alias) { - options[alias] = option; - } -} - - -// ----------------------------------------------------------------------------- -// ArgParser: retrieve values. -// ----------------------------------------------------------------------------- - - -bool ArgParser::found(string const& name) const { - if (flags.count(name) > 0) { - return flags.at(name)->count > 0; - } - if (options.count(name) > 0) { - return options.at(name)->values.size() > 0; - } - return false; -} - - -int ArgParser::count(string const& name) const { - if (flags.count(name) > 0) { - return flags.at(name)->count; - } - if (options.count(name) > 0) { - return options.at(name)->values.size(); - } - return 0; -} - - -string ArgParser::value(string const& name) const { - if (options.count(name) > 0) { - if (options.at(name)->values.size() > 0) { - return options.at(name)->values.back(); - } - return options.at(name)->fallback; - } - return string(); -} - - -vector<string> ArgParser::values(string const& name) const { - if (options.count(name) > 0) { - return options.at(name)->values; - } - return vector<string>(); -} - - -// ----------------------------------------------------------------------------- -// ArgParser: commands. -// ----------------------------------------------------------------------------- - - -ArgParser& ArgParser::command( - string const& name, - string const& helptext, - void (*callback)(string cmd_name, ArgParser& cmd_parser)) { - - ArgParser *parser = new ArgParser(); - parser->helptext = helptext; - parser->callback = callback; - - stringstream stream(name); - string alias; - - while (stream >> alias) { - commands[alias] = parser; - } - - return *parser; -} - - -bool ArgParser::commandFound() { - return command_name != ""; -} - - -string ArgParser::commandName() { - return command_name; -} - - -ArgParser& ArgParser::commandParser() { - return *commands[command_name]; -} - - -// ----------------------------------------------------------------------------- -// ArgParser: parse arguments. -// ----------------------------------------------------------------------------- - - -// Parse an option of the form --name=value or -n=value. -void ArgParser::parseEqualsOption(string prefix, string name, string value) { - if (options.count(name) > 0) { - if (value.size() > 0) { - options[name]->values.push_back(value); - } else { - cerr << "Error: missing value for " << prefix << name << ".\n"; - exit(1); - } - } else { - cerr << "Error: " << prefix << name << " is not a recognised option.\n"; - exit(1); - } -} - - -// Parse a long-form option, i.e. an option beginning with a double dash. -void ArgParser::parseLongOption(string arg, ArgStream& stream) { - size_t pos = arg.find("="); - if (pos != string::npos) { - parseEqualsOption("--", arg.substr(0, pos), arg.substr(pos + 1)); - return; - } - - if (flags.count(arg) > 0) { - flags[arg]->count++; - return; - } - - if (options.count(arg) > 0) { - if (stream.hasNext()) { - options[arg]->values.push_back(stream.next()); - return; - } else { - cerr << "Error: missing argument for --" << arg << ".\n"; - exit(1); - } - } - - if (arg == "help" && this->helptext != "") { - exitHelp(); - } - - if (arg == "version" && this->version != "") { - exitVersion(); - } - - cerr << "Error: --" << arg << " is not a recognised flag or option.\n"; - exit(1); -} - - -// Parse a short-form option, i.e. an option beginning with a single dash. -void ArgParser::parseShortOption(string arg, ArgStream& stream) { - size_t pos = arg.find("="); - if (pos != string::npos) { - parseEqualsOption("-", arg.substr(0, pos), arg.substr(pos + 1)); - return; - } - - for (char& c: arg) { - string name = string(1, c); - - if (flags.count(name) > 0) { - flags[name]->count++; - continue; - } - - if (options.count(name) > 0) { - if (stream.hasNext()) { - options[name]->values.push_back(stream.next()); - continue; - } else { - if (arg.size() > 1) { - cerr << "Error: missing argument for '" << c << "' in -" << arg << ".\n"; - } else { - cerr << "Error: missing argument for -" << c << ".\n"; - } - exit(1); - } - } - - if (c == 'h' && this->helptext != "") { - exitHelp(); - } - - if (c == 'v' && this->version != "") { - exitVersion(); - } - - if (arg.size() > 1) { - cerr << "Error: '" << c << "' in -" << arg << " is not a recognised flag or option.\n"; - } else { - cerr << "Error: -" << c << " is not a recognised flag or option.\n"; - } - exit(1); - } -} - - -// Parse a stream of string arguments. -void ArgParser::parse(ArgStream& stream) { - bool is_first_arg = true; - - while (stream.hasNext()) { - string arg = stream.next(); - - // If we enounter a '--', turn off option parsing. - if (arg == "--") { - while (stream.hasNext()) { - args.push_back(stream.next()); - } - continue; - } - - // Is the argument a long-form option or flag? - if (arg.compare(0, 2, "--") == 0) { - parseLongOption(arg.substr(2), stream); - continue; - } - - // Is the argument a short-form option or flag? If the argument - // consists of a single dash or a dash followed by a digit, we treat - // it as a positional argument. - if (arg[0] == '-') { - if (arg.size() == 1 || isdigit(arg[1])) { - args.push_back(arg); - } else { - parseShortOption(arg.substr(1), stream); - } - continue; - } - - // Is the argument a registered command? - if (is_first_arg && commands.count(arg) > 0) { - ArgParser* command_parser = commands[arg]; - command_name = arg; - command_parser->parse(stream); - if (command_parser->callback != nullptr) { - command_parser->callback(arg, *command_parser); - } - continue; - } - - // Is the argument the automatic 'help' command? - if (is_first_arg && arg == "help" && commands.size() > 0) { - if (stream.hasNext()) { - string name = stream.next(); - if (commands.find(name) == commands.end()) { - cerr << "Error: '" << name << "' is not a recognised command.\n"; - exit(1); - } else { - commands[name]->exitHelp(); - } - } else { - cerr << "Error: the help command requires an argument.\n"; - exit(1); - } - } - - // Otherwise add the argument to our list of positional arguments. - args.push_back(arg); - is_first_arg = false; - } -} - - -// Parse an array of string arguments. We assume that [argc] and [argv] are the -// original parameters passed to main() and skip the first element. In some -// situations [argv] can be empty, i.e. [argc == 0]. This can lead to security -// vulnerabilities if not handled explicitly. -void ArgParser::parse(int argc, char **argv) { - if (argc > 1) { - ArgStream stream; - for (int i = 1; i < argc; i++) { - stream.append(argv[i]); - } - parse(stream); - } -} - - -// Parse a vector of string arguments. -void ArgParser::parse(vector<string> args) { - ArgStream stream; - for (string& arg: args) { - stream.append(arg); - } - parse(stream); -} - - -// ----------------------------------------------------------------------------- -// ArgParser: utilities. -// ----------------------------------------------------------------------------- - - -// Override the << stream insertion operator to support vectors. This will -// allow us to cout our lists of option values in the print() method. -template<typename T> -static ostream& operator<<(ostream& stream, const vector<T>& vec) { - stream << "["; - for(size_t i = 0; i < vec.size(); ++i) { - if (i) cout << ", "; - stream << vec[i]; - } - stream << "]"; - return stream; -} - - -// Dump the parser's state to stdout. -void ArgParser::print() { - cout << "Options:\n"; - if (options.size() > 0) { - for (auto element: options) { - cout << " " << element.first << ": "; - Option *option = element.second; - cout << "(" << option->fallback << ") "; - cout << option->values; - cout << "\n"; - } - } else { - cout << " [none]\n"; - } - - cout << "\nFlags:\n"; - if (flags.size() > 0) { - for (auto element: flags) { - cout << " " << element.first << ": " << element.second->count << "\n"; - } - } else { - cout << " [none]\n"; - } - - cout << "\nArguments:\n"; - if (args.size() > 0) { - for (auto arg: args) { - cout << " " << arg << "\n"; - } - } else { - cout << " [none]\n"; - } - - cout << "\nCommand:\n"; - if (commandFound()) { - cout << " " << command_name << "\n"; - } else { - cout << " [none]\n"; - } -} - - -// Print the parser's help text and exit. -void ArgParser::exitHelp() { - cout << helptext << endl; - exit(0); -} - - -// Print the parser's version string and exit. -void ArgParser::exitVersion() { - cout << version << endl; - exit(0); -} - - -// ----------------------------------------------------------------------------- -// ArgParser: cleanup. -// ----------------------------------------------------------------------------- - - -ArgParser::~ArgParser() { - set<Option*> unique_options; - for (auto element: options) { - unique_options.insert(element.second); - } - for (auto pointer: unique_options) { - delete pointer; - } - - set<Flag*> unique_flags; - for (auto element: flags) { - unique_flags.insert(element.second); - } - for (auto pointer: unique_flags) { - delete pointer; - } - - set<ArgParser*> unique_cmd_parsers; - for (auto element: commands) { - unique_cmd_parsers.insert(element.second); - } - for (auto pointer: unique_cmd_parsers) { - delete pointer; - } -} diff --git a/subprojects/argspp/args.h b/subprojects/argspp/args.h deleted file mode 100644 index a120f4e..0000000 --- a/subprojects/argspp/args.h +++ /dev/null @@ -1,119 +0,0 @@ -// ----------------------------------------------------------------------------- -// Args++: an argument-parsing library in portable C++11. -// -// Author: Darren Mulholland <dmulholl@tcd.ie> -// License: Public Domain -// Version: 2.1.0 -// ----------------------------------------------------------------------------- - -#ifndef args_h -#define args_h - -#include <map> -#include <string> -#include <vector> -#include <sstream> - -namespace args { - - struct ArgStream; - struct Option; - struct Flag; - - class ArgParser { - public: - ArgParser( - std::string const& helptext = "", - std::string const& version = "" - ) : helptext(helptext), version(version) {} - - ~ArgParser(); - - // Stores positional arguments. - std::vector<std::string> args; - - // Application/command help text and version strings. - std::string helptext; - std::string version; - - // Callback function for command parsers. - void (*callback)(std::string cmd_name, ArgParser& cmd_parser); - - // Register flags and options. - void flag(std::string const& name); - void option(std::string const& name, std::string const& fallback = ""); - - // Parse the application's command line arguments. - void parse(int argc, char **argv); - void parse(std::vector<std::string> args); - - // Retrieve flag and option values. - bool found(std::string const& name) const; - int count(std::string const& name) const; - std::string value(std::string const& name) const; - std::vector<std::string> values(std::string const& name) const; - - template<typename T> - T value(std::string const& name) const - { - std::string str = value(name); - T ret = scan<T>(str); - return ret; - } - - template<typename T> - std::vector<T> values(std::string const& name) const - { - std::vector<std::string> vec = values(name); - std::vector<T> ret; - ret.reserve(vec.size()); - for (size_t i = 0; i < vec.size(); ++i) { - T value = vec[i]; - ret.push_back(value); - } - return ret; - } - - // Register a command. Returns the command's ArgParser instance. - ArgParser& command( - std::string const& name, - std::string const& helptext = "", - void (*callback)(std::string cmd_name, ArgParser& cmd_parser) = nullptr - ); - - // Utilities for handling commands manually. - bool commandFound(); - std::string commandName(); - ArgParser& commandParser(); - - // Print a parser instance to stdout. - void print(); - - private: - std::map<std::string, Option*> options; - std::map<std::string, Flag*> flags; - std::map<std::string, ArgParser*> commands; - std::string command_name; - - void parse(ArgStream& args); - void registerOption(std::string const& name, Option* option); - void parseLongOption(std::string arg, ArgStream& stream); - void parseShortOption(std::string arg, ArgStream& stream); - void parseEqualsOption(std::string prefix, std::string name, std::string value); - void exitHelp(); - void exitVersion(); - - template<typename T> - T scan(const std::string &input) const - { - std::stringstream stream(input); - T ret; - if ((stream >> ret).fail()) { - return T{0}; - } - return ret; - } - }; -} - -#endif diff --git a/subprojects/argspp/meson.build b/subprojects/argspp/meson.build deleted file mode 100644 index 50aec98..0000000 --- a/subprojects/argspp/meson.build +++ /dev/null @@ -1,5 +0,0 @@ -project('argspp', 'cpp', version: '2.1.0') - -argspp_inc = include_directories('.') -argspp_lib = static_library('argspp', 'args.cpp', include_directories: argspp_inc) -argspp = declare_dependency(link_with: argspp_lib, include_directories: argspp_inc) diff --git a/subprojects/glad/include/KHR/khrplatform.h b/subprojects/glad/include/KHR/khrplatform.h deleted file mode 100644 index 0164644..0000000 --- a/subprojects/glad/include/KHR/khrplatform.h +++ /dev/null @@ -1,311 +0,0 @@ -#ifndef __khrplatform_h_ -#define __khrplatform_h_ - -/* -** Copyright (c) 2008-2018 The Khronos Group Inc. -** -** Permission is hereby granted, free of charge, to any person obtaining a -** copy of this software and/or associated documentation files (the -** "Materials"), to deal in the Materials without restriction, including -** without limitation the rights to use, copy, modify, merge, publish, -** distribute, sublicense, and/or sell copies of the Materials, and to -** permit persons to whom the Materials are furnished to do so, subject to -** the following conditions: -** -** The above copyright notice and this permission notice shall be included -** in all copies or substantial portions of the Materials. -** -** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY -** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. -*/ - -/* Khronos platform-specific types and definitions. - * - * The master copy of khrplatform.h is maintained in the Khronos EGL - * Registry repository at https://github.com/KhronosGroup/EGL-Registry - * The last semantic modification to khrplatform.h was at commit ID: - * 67a3e0864c2d75ea5287b9f3d2eb74a745936692 - * - * Adopters may modify this file to suit their platform. Adopters are - * encouraged to submit platform specific modifications to the Khronos - * group so that they can be included in future versions of this file. - * Please submit changes by filing pull requests or issues on - * the EGL Registry repository linked above. - * - * - * See the Implementer's Guidelines for information about where this file - * should be located on your system and for more details of its use: - * http://www.khronos.org/registry/implementers_guide.pdf - * - * This file should be included as - * #include <KHR/khrplatform.h> - * by Khronos client API header files that use its types and defines. - * - * The types in khrplatform.h should only be used to define API-specific types. - * - * Types defined in khrplatform.h: - * khronos_int8_t signed 8 bit - * khronos_uint8_t unsigned 8 bit - * khronos_int16_t signed 16 bit - * khronos_uint16_t unsigned 16 bit - * khronos_int32_t signed 32 bit - * khronos_uint32_t unsigned 32 bit - * khronos_int64_t signed 64 bit - * khronos_uint64_t unsigned 64 bit - * khronos_intptr_t signed same number of bits as a pointer - * khronos_uintptr_t unsigned same number of bits as a pointer - * khronos_ssize_t signed size - * khronos_usize_t unsigned size - * khronos_float_t signed 32 bit floating point - * khronos_time_ns_t unsigned 64 bit time in nanoseconds - * khronos_utime_nanoseconds_t unsigned time interval or absolute time in - * nanoseconds - * khronos_stime_nanoseconds_t signed time interval in nanoseconds - * khronos_boolean_enum_t enumerated boolean type. This should - * only be used as a base type when a client API's boolean type is - * an enum. Client APIs which use an integer or other type for - * booleans cannot use this as the base type for their boolean. - * - * Tokens defined in khrplatform.h: - * - * KHRONOS_FALSE, KHRONOS_TRUE Enumerated boolean false/true values. - * - * KHRONOS_SUPPORT_INT64 is 1 if 64 bit integers are supported; otherwise 0. - * KHRONOS_SUPPORT_FLOAT is 1 if floats are supported; otherwise 0. - * - * Calling convention macros defined in this file: - * KHRONOS_APICALL - * KHRONOS_APIENTRY - * KHRONOS_APIATTRIBUTES - * - * These may be used in function prototypes as: - * - * KHRONOS_APICALL void KHRONOS_APIENTRY funcname( - * int arg1, - * int arg2) KHRONOS_APIATTRIBUTES; - */ - -#if defined(__SCITECH_SNAP__) && !defined(KHRONOS_STATIC) -# define KHRONOS_STATIC 1 -#endif - -/*------------------------------------------------------------------------- - * Definition of KHRONOS_APICALL - *------------------------------------------------------------------------- - * This precedes the return type of the function in the function prototype. - */ -#if defined(KHRONOS_STATIC) - /* If the preprocessor constant KHRONOS_STATIC is defined, make the - * header compatible with static linking. */ -# define KHRONOS_APICALL -#elif defined(_WIN32) -# define KHRONOS_APICALL __declspec(dllimport) -#elif defined (__SYMBIAN32__) -# define KHRONOS_APICALL IMPORT_C -#elif defined(__ANDROID__) -# define KHRONOS_APICALL __attribute__((visibility("default"))) -#else -# define KHRONOS_APICALL -#endif - -/*------------------------------------------------------------------------- - * Definition of KHRONOS_APIENTRY - *------------------------------------------------------------------------- - * This follows the return type of the function and precedes the function - * name in the function prototype. - */ -#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__) - /* Win32 but not WinCE */ -# define KHRONOS_APIENTRY __stdcall -#else -# define KHRONOS_APIENTRY -#endif - -/*------------------------------------------------------------------------- - * Definition of KHRONOS_APIATTRIBUTES - *------------------------------------------------------------------------- - * This follows the closing parenthesis of the function prototype arguments. - */ -#if defined (__ARMCC_2__) -#define KHRONOS_APIATTRIBUTES __softfp -#else -#define KHRONOS_APIATTRIBUTES -#endif - -/*------------------------------------------------------------------------- - * basic type definitions - *-----------------------------------------------------------------------*/ -#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__GNUC__) || defined(__SCO__) || defined(__USLC__) - - -/* - * Using <stdint.h> - */ -#include <stdint.h> -typedef int32_t khronos_int32_t; -typedef uint32_t khronos_uint32_t; -typedef int64_t khronos_int64_t; -typedef uint64_t khronos_uint64_t; -#define KHRONOS_SUPPORT_INT64 1 -#define KHRONOS_SUPPORT_FLOAT 1 -/* - * To support platform where unsigned long cannot be used interchangeably with - * inptr_t (e.g. CHERI-extended ISAs), we can use the stdint.h intptr_t. - * Ideally, we could just use (u)intptr_t everywhere, but this could result in - * ABI breakage if khronos_uintptr_t is changed from unsigned long to - * unsigned long long or similar (this results in different C++ name mangling). - * To avoid changes for existing platforms, we restrict usage of intptr_t to - * platforms where the size of a pointer is larger than the size of long. - */ -#if defined(__SIZEOF_LONG__) && defined(__SIZEOF_POINTER__) -#if __SIZEOF_POINTER__ > __SIZEOF_LONG__ -#define KHRONOS_USE_INTPTR_T -#endif -#endif - -#elif defined(__VMS ) || defined(__sgi) - -/* - * Using <inttypes.h> - */ -#include <inttypes.h> -typedef int32_t khronos_int32_t; -typedef uint32_t khronos_uint32_t; -typedef int64_t khronos_int64_t; -typedef uint64_t khronos_uint64_t; -#define KHRONOS_SUPPORT_INT64 1 -#define KHRONOS_SUPPORT_FLOAT 1 - -#elif defined(_WIN32) && !defined(__SCITECH_SNAP__) - -/* - * Win32 - */ -typedef __int32 khronos_int32_t; -typedef unsigned __int32 khronos_uint32_t; -typedef __int64 khronos_int64_t; -typedef unsigned __int64 khronos_uint64_t; -#define KHRONOS_SUPPORT_INT64 1 -#define KHRONOS_SUPPORT_FLOAT 1 - -#elif defined(__sun__) || defined(__digital__) - -/* - * Sun or Digital - */ -typedef int khronos_int32_t; -typedef unsigned int khronos_uint32_t; -#if defined(__arch64__) || defined(_LP64) -typedef long int khronos_int64_t; -typedef unsigned long int khronos_uint64_t; -#else -typedef long long int khronos_int64_t; -typedef unsigned long long int khronos_uint64_t; -#endif /* __arch64__ */ -#define KHRONOS_SUPPORT_INT64 1 -#define KHRONOS_SUPPORT_FLOAT 1 - -#elif 0 - -/* - * Hypothetical platform with no float or int64 support - */ -typedef int khronos_int32_t; -typedef unsigned int khronos_uint32_t; -#define KHRONOS_SUPPORT_INT64 0 -#define KHRONOS_SUPPORT_FLOAT 0 - -#else - -/* - * Generic fallback - */ -#include <stdint.h> -typedef int32_t khronos_int32_t; -typedef uint32_t khronos_uint32_t; -typedef int64_t khronos_int64_t; -typedef uint64_t khronos_uint64_t; -#define KHRONOS_SUPPORT_INT64 1 -#define KHRONOS_SUPPORT_FLOAT 1 - -#endif - - -/* - * Types that are (so far) the same on all platforms - */ -typedef signed char khronos_int8_t; -typedef unsigned char khronos_uint8_t; -typedef signed short int khronos_int16_t; -typedef unsigned short int khronos_uint16_t; - -/* - * Types that differ between LLP64 and LP64 architectures - in LLP64, - * pointers are 64 bits, but 'long' is still 32 bits. Win64 appears - * to be the only LLP64 architecture in current use. - */ -#ifdef KHRONOS_USE_INTPTR_T -typedef intptr_t khronos_intptr_t; -typedef uintptr_t khronos_uintptr_t; -#elif defined(_WIN64) -typedef signed long long int khronos_intptr_t; -typedef unsigned long long int khronos_uintptr_t; -#else -typedef signed long int khronos_intptr_t; -typedef unsigned long int khronos_uintptr_t; -#endif - -#if defined(_WIN64) -typedef signed long long int khronos_ssize_t; -typedef unsigned long long int khronos_usize_t; -#else -typedef signed long int khronos_ssize_t; -typedef unsigned long int khronos_usize_t; -#endif - -#if KHRONOS_SUPPORT_FLOAT -/* - * Float type - */ -typedef float khronos_float_t; -#endif - -#if KHRONOS_SUPPORT_INT64 -/* Time types - * - * These types can be used to represent a time interval in nanoseconds or - * an absolute Unadjusted System Time. Unadjusted System Time is the number - * of nanoseconds since some arbitrary system event (e.g. since the last - * time the system booted). The Unadjusted System Time is an unsigned - * 64 bit value that wraps back to 0 every 584 years. Time intervals - * may be either signed or unsigned. - */ -typedef khronos_uint64_t khronos_utime_nanoseconds_t; -typedef khronos_int64_t khronos_stime_nanoseconds_t; -#endif - -/* - * Dummy value used to pad enum types to 32 bits. - */ -#ifndef KHRONOS_MAX_ENUM -#define KHRONOS_MAX_ENUM 0x7FFFFFFF -#endif - -/* - * Enumerated boolean type - * - * Values other than zero should be considered to be true. Therefore - * comparisons should not be made against KHRONOS_TRUE. - */ -typedef enum { - KHRONOS_FALSE = 0, - KHRONOS_TRUE = 1, - KHRONOS_BOOLEAN_ENUM_FORCE_SIZE = KHRONOS_MAX_ENUM -} khronos_boolean_enum_t; - -#endif /* __khrplatform_h_ */ diff --git a/subprojects/glad/include/glad/gl.h b/subprojects/glad/include/glad/gl.h deleted file mode 100644 index 4df7f2a..0000000 --- a/subprojects/glad/include/glad/gl.h +++ /dev/null @@ -1,2141 +0,0 @@ -/** - * Loader generated by glad 2.0.4 on Fri Jul 21 17:13:42 2023 - * - * SPDX-License-Identifier: (WTFPL OR CC0-1.0) AND Apache-2.0 - * - * Generator: C/C++ - * Specification: gl - * Extensions: 1 - * - * APIs: - * - gl:core=3.3 - * - * Options: - * - ALIAS = False - * - DEBUG = False - * - HEADER_ONLY = False - * - LOADER = False - * - MX = False - * - ON_DEMAND = False - * - * Commandline: - * --api='gl:core=3.3' --extensions='GL_EXT_texture_filter_anisotropic' c - * - * Online: - * http://glad.sh/#api=gl%3Acore%3D3.3&extensions=GL_EXT_texture_filter_anisotropic&generator=c&options= - * - */ - -#ifndef GLAD_GL_H_ -#define GLAD_GL_H_ - -#ifdef __clang__ -#pragma clang diagnostic push -#pragma clang diagnostic ignored "-Wreserved-id-macro" -#endif -#ifdef __gl_h_ - #error OpenGL (gl.h) header already included (API: gl), remove previous include! -#endif -#define __gl_h_ 1 -#ifdef __gl3_h_ - #error OpenGL (gl3.h) header already included (API: gl), remove previous include! -#endif -#define __gl3_h_ 1 -#ifdef __glext_h_ - #error OpenGL (glext.h) header already included (API: gl), remove previous include! -#endif -#define __glext_h_ 1 -#ifdef __gl3ext_h_ - #error OpenGL (gl3ext.h) header already included (API: gl), remove previous include! -#endif -#define __gl3ext_h_ 1 -#ifdef __clang__ -#pragma clang diagnostic pop -#endif - -#define GLAD_GL - -#ifdef __cplusplus -extern "C" { -#endif - -#ifndef GLAD_PLATFORM_H_ -#define GLAD_PLATFORM_H_ - -#ifndef GLAD_PLATFORM_WIN32 - #if defined(_WIN32) || defined(__WIN32__) || defined(WIN32) || defined(__MINGW32__) - #define GLAD_PLATFORM_WIN32 1 - #else - #define GLAD_PLATFORM_WIN32 0 - #endif -#endif - -#ifndef GLAD_PLATFORM_APPLE - #ifdef __APPLE__ - #define GLAD_PLATFORM_APPLE 1 - #else - #define GLAD_PLATFORM_APPLE 0 - #endif -#endif - -#ifndef GLAD_PLATFORM_EMSCRIPTEN - #ifdef __EMSCRIPTEN__ - #define GLAD_PLATFORM_EMSCRIPTEN 1 - #else - #define GLAD_PLATFORM_EMSCRIPTEN 0 - #endif -#endif - -#ifndef GLAD_PLATFORM_UWP - #if defined(_MSC_VER) && !defined(GLAD_INTERNAL_HAVE_WINAPIFAMILY) - #ifdef __has_include - #if __has_include(<winapifamily.h>) - #define GLAD_INTERNAL_HAVE_WINAPIFAMILY 1 - #endif - #elif _MSC_VER >= 1700 && !_USING_V110_SDK71_ - #define GLAD_INTERNAL_HAVE_WINAPIFAMILY 1 - #endif - #endif - - #ifdef GLAD_INTERNAL_HAVE_WINAPIFAMILY - #include <winapifamily.h> - #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) && WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) - #define GLAD_PLATFORM_UWP 1 - #endif - #endif - - #ifndef GLAD_PLATFORM_UWP - #define GLAD_PLATFORM_UWP 0 - #endif -#endif - -#ifdef __GNUC__ - #define GLAD_GNUC_EXTENSION __extension__ -#else - #define GLAD_GNUC_EXTENSION -#endif - -#define GLAD_UNUSED(x) (void)(x) - -#ifndef GLAD_API_CALL - #if defined(GLAD_API_CALL_EXPORT) - #if GLAD_PLATFORM_WIN32 || defined(__CYGWIN__) - #if defined(GLAD_API_CALL_EXPORT_BUILD) - #if defined(__GNUC__) - #define GLAD_API_CALL __attribute__ ((dllexport)) extern - #else - #define GLAD_API_CALL __declspec(dllexport) extern - #endif - #else - #if defined(__GNUC__) - #define GLAD_API_CALL __attribute__ ((dllimport)) extern - #else - #define GLAD_API_CALL __declspec(dllimport) extern - #endif - #endif - #elif defined(__GNUC__) && defined(GLAD_API_CALL_EXPORT_BUILD) - #define GLAD_API_CALL __attribute__ ((visibility ("default"))) extern - #else - #define GLAD_API_CALL extern - #endif - #else - #define GLAD_API_CALL extern - #endif -#endif - -#ifdef APIENTRY - #define GLAD_API_PTR APIENTRY -#elif GLAD_PLATFORM_WIN32 - #define GLAD_API_PTR __stdcall -#else - #define GLAD_API_PTR -#endif - -#ifndef GLAPI -#define GLAPI GLAD_API_CALL -#endif - -#ifndef GLAPIENTRY -#define GLAPIENTRY GLAD_API_PTR -#endif - -#define GLAD_MAKE_VERSION(major, minor) (major * 10000 + minor) -#define GLAD_VERSION_MAJOR(version) (version / 10000) -#define GLAD_VERSION_MINOR(version) (version % 10000) - -#define GLAD_GENERATOR_VERSION "2.0.4" - -typedef void (*GLADapiproc)(void); - -typedef GLADapiproc (*GLADloadfunc)(const char *name); -typedef GLADapiproc (*GLADuserptrloadfunc)(void *userptr, const char *name); - -typedef void (*GLADprecallback)(const char *name, GLADapiproc apiproc, int len_args, ...); -typedef void (*GLADpostcallback)(void *ret, const char *name, GLADapiproc apiproc, int len_args, ...); - -#endif /* GLAD_PLATFORM_H_ */ - -#define GL_ACTIVE_ATTRIBUTES 0x8B89 -#define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH 0x8B8A -#define GL_ACTIVE_TEXTURE 0x84E0 -#define GL_ACTIVE_UNIFORMS 0x8B86 -#define GL_ACTIVE_UNIFORM_BLOCKS 0x8A36 -#define GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH 0x8A35 -#define GL_ACTIVE_UNIFORM_MAX_LENGTH 0x8B87 -#define GL_ALIASED_LINE_WIDTH_RANGE 0x846E -#define GL_ALPHA 0x1906 -#define GL_ALREADY_SIGNALED 0x911A -#define GL_ALWAYS 0x0207 -#define GL_AND 0x1501 -#define GL_AND_INVERTED 0x1504 -#define GL_AND_REVERSE 0x1502 -#define GL_ANY_SAMPLES_PASSED 0x8C2F -#define GL_ARRAY_BUFFER 0x8892 -#define GL_ARRAY_BUFFER_BINDING 0x8894 -#define GL_ATTACHED_SHADERS 0x8B85 -#define GL_BACK 0x0405 -#define GL_BACK_LEFT 0x0402 -#define GL_BACK_RIGHT 0x0403 -#define GL_BGR 0x80E0 -#define GL_BGRA 0x80E1 -#define GL_BGRA_INTEGER 0x8D9B -#define GL_BGR_INTEGER 0x8D9A -#define GL_BLEND 0x0BE2 -#define GL_BLEND_COLOR 0x8005 -#define GL_BLEND_DST 0x0BE0 -#define GL_BLEND_DST_ALPHA 0x80CA -#define GL_BLEND_DST_RGB 0x80C8 -#define GL_BLEND_EQUATION 0x8009 -#define GL_BLEND_EQUATION_ALPHA 0x883D -#define GL_BLEND_EQUATION_RGB 0x8009 -#define GL_BLEND_SRC 0x0BE1 -#define GL_BLEND_SRC_ALPHA 0x80CB -#define GL_BLEND_SRC_RGB 0x80C9 -#define GL_BLUE 0x1905 -#define GL_BLUE_INTEGER 0x8D96 -#define GL_BOOL 0x8B56 -#define GL_BOOL_VEC2 0x8B57 -#define GL_BOOL_VEC3 0x8B58 -#define GL_BOOL_VEC4 0x8B59 -#define GL_BUFFER_ACCESS 0x88BB -#define GL_BUFFER_ACCESS_FLAGS 0x911F -#define GL_BUFFER_MAPPED 0x88BC -#define GL_BUFFER_MAP_LENGTH 0x9120 -#define GL_BUFFER_MAP_OFFSET 0x9121 -#define GL_BUFFER_MAP_POINTER 0x88BD -#define GL_BUFFER_SIZE 0x8764 -#define GL_BUFFER_USAGE 0x8765 -#define GL_BYTE 0x1400 -#define GL_CCW 0x0901 -#define GL_CLAMP_READ_COLOR 0x891C -#define GL_CLAMP_TO_BORDER 0x812D -#define GL_CLAMP_TO_EDGE 0x812F -#define GL_CLEAR 0x1500 -#define GL_CLIP_DISTANCE0 0x3000 -#define GL_CLIP_DISTANCE1 0x3001 -#define GL_CLIP_DISTANCE2 0x3002 -#define GL_CLIP_DISTANCE3 0x3003 -#define GL_CLIP_DISTANCE4 0x3004 -#define GL_CLIP_DISTANCE5 0x3005 -#define GL_CLIP_DISTANCE6 0x3006 -#define GL_CLIP_DISTANCE7 0x3007 -#define GL_COLOR 0x1800 -#define GL_COLOR_ATTACHMENT0 0x8CE0 -#define GL_COLOR_ATTACHMENT1 0x8CE1 -#define GL_COLOR_ATTACHMENT10 0x8CEA -#define GL_COLOR_ATTACHMENT11 0x8CEB -#define GL_COLOR_ATTACHMENT12 0x8CEC -#define GL_COLOR_ATTACHMENT13 0x8CED -#define GL_COLOR_ATTACHMENT14 0x8CEE -#define GL_COLOR_ATTACHMENT15 0x8CEF -#define GL_COLOR_ATTACHMENT16 0x8CF0 -#define GL_COLOR_ATTACHMENT17 0x8CF1 -#define GL_COLOR_ATTACHMENT18 0x8CF2 -#define GL_COLOR_ATTACHMENT19 0x8CF3 -#define GL_COLOR_ATTACHMENT2 0x8CE2 -#define GL_COLOR_ATTACHMENT20 0x8CF4 -#define GL_COLOR_ATTACHMENT21 0x8CF5 -#define GL_COLOR_ATTACHMENT22 0x8CF6 -#define GL_COLOR_ATTACHMENT23 0x8CF7 -#define GL_COLOR_ATTACHMENT24 0x8CF8 -#define GL_COLOR_ATTACHMENT25 0x8CF9 -#define GL_COLOR_ATTACHMENT26 0x8CFA -#define GL_COLOR_ATTACHMENT27 0x8CFB -#define GL_COLOR_ATTACHMENT28 0x8CFC -#define GL_COLOR_ATTACHMENT29 0x8CFD -#define GL_COLOR_ATTACHMENT3 0x8CE3 -#define GL_COLOR_ATTACHMENT30 0x8CFE -#define GL_COLOR_ATTACHMENT31 0x8CFF -#define GL_COLOR_ATTACHMENT4 0x8CE4 -#define GL_COLOR_ATTACHMENT5 0x8CE5 -#define GL_COLOR_ATTACHMENT6 0x8CE6 -#define GL_COLOR_ATTACHMENT7 0x8CE7 -#define GL_COLOR_ATTACHMENT8 0x8CE8 -#define GL_COLOR_ATTACHMENT9 0x8CE9 -#define GL_COLOR_BUFFER_BIT 0x00004000 -#define GL_COLOR_CLEAR_VALUE 0x0C22 -#define GL_COLOR_LOGIC_OP 0x0BF2 -#define GL_COLOR_WRITEMASK 0x0C23 -#define GL_COMPARE_REF_TO_TEXTURE 0x884E -#define GL_COMPILE_STATUS 0x8B81 -#define GL_COMPRESSED_RED 0x8225 -#define GL_COMPRESSED_RED_RGTC1 0x8DBB -#define GL_COMPRESSED_RG 0x8226 -#define GL_COMPRESSED_RGB 0x84ED -#define GL_COMPRESSED_RGBA 0x84EE -#define GL_COMPRESSED_RG_RGTC2 0x8DBD -#define GL_COMPRESSED_SIGNED_RED_RGTC1 0x8DBC -#define GL_COMPRESSED_SIGNED_RG_RGTC2 0x8DBE -#define GL_COMPRESSED_SRGB 0x8C48 -#define GL_COMPRESSED_SRGB_ALPHA 0x8C49 -#define GL_COMPRESSED_TEXTURE_FORMATS 0x86A3 -#define GL_CONDITION_SATISFIED 0x911C -#define GL_CONSTANT_ALPHA 0x8003 -#define GL_CONSTANT_COLOR 0x8001 -#define GL_CONTEXT_COMPATIBILITY_PROFILE_BIT 0x00000002 -#define GL_CONTEXT_CORE_PROFILE_BIT 0x00000001 -#define GL_CONTEXT_FLAGS 0x821E -#define GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT 0x00000001 -#define GL_CONTEXT_PROFILE_MASK 0x9126 -#define GL_COPY 0x1503 -#define GL_COPY_INVERTED 0x150C -#define GL_COPY_READ_BUFFER 0x8F36 -#define GL_COPY_WRITE_BUFFER 0x8F37 -#define GL_CULL_FACE 0x0B44 -#define GL_CULL_FACE_MODE 0x0B45 -#define GL_CURRENT_PROGRAM 0x8B8D -#define GL_CURRENT_QUERY 0x8865 -#define GL_CURRENT_VERTEX_ATTRIB 0x8626 -#define GL_CW 0x0900 -#define GL_DECR 0x1E03 -#define GL_DECR_WRAP 0x8508 -#define GL_DELETE_STATUS 0x8B80 -#define GL_DEPTH 0x1801 -#define GL_DEPTH24_STENCIL8 0x88F0 -#define GL_DEPTH32F_STENCIL8 0x8CAD -#define GL_DEPTH_ATTACHMENT 0x8D00 -#define GL_DEPTH_BUFFER_BIT 0x00000100 -#define GL_DEPTH_CLAMP 0x864F -#define GL_DEPTH_CLEAR_VALUE 0x0B73 -#define GL_DEPTH_COMPONENT 0x1902 -#define GL_DEPTH_COMPONENT16 0x81A5 -#define GL_DEPTH_COMPONENT24 0x81A6 -#define GL_DEPTH_COMPONENT32 0x81A7 -#define GL_DEPTH_COMPONENT32F 0x8CAC -#define GL_DEPTH_FUNC 0x0B74 -#define GL_DEPTH_RANGE 0x0B70 -#define GL_DEPTH_STENCIL 0x84F9 -#define GL_DEPTH_STENCIL_ATTACHMENT 0x821A -#define GL_DEPTH_TEST 0x0B71 -#define GL_DEPTH_WRITEMASK 0x0B72 -#define GL_DITHER 0x0BD0 -#define GL_DONT_CARE 0x1100 -#define GL_DOUBLE 0x140A -#define GL_DOUBLEBUFFER 0x0C32 -#define GL_DRAW_BUFFER 0x0C01 -#define GL_DRAW_BUFFER0 0x8825 -#define GL_DRAW_BUFFER1 0x8826 -#define GL_DRAW_BUFFER10 0x882F -#define GL_DRAW_BUFFER11 0x8830 -#define GL_DRAW_BUFFER12 0x8831 -#define GL_DRAW_BUFFER13 0x8832 -#define GL_DRAW_BUFFER14 0x8833 -#define GL_DRAW_BUFFER15 0x8834 -#define GL_DRAW_BUFFER2 0x8827 -#define GL_DRAW_BUFFER3 0x8828 -#define GL_DRAW_BUFFER4 0x8829 -#define GL_DRAW_BUFFER5 0x882A -#define GL_DRAW_BUFFER6 0x882B -#define GL_DRAW_BUFFER7 0x882C -#define GL_DRAW_BUFFER8 0x882D -#define GL_DRAW_BUFFER9 0x882E -#define GL_DRAW_FRAMEBUFFER 0x8CA9 -#define GL_DRAW_FRAMEBUFFER_BINDING 0x8CA6 -#define GL_DST_ALPHA 0x0304 -#define GL_DST_COLOR 0x0306 -#define GL_DYNAMIC_COPY 0x88EA -#define GL_DYNAMIC_DRAW 0x88E8 -#define GL_DYNAMIC_READ 0x88E9 -#define GL_ELEMENT_ARRAY_BUFFER 0x8893 -#define GL_ELEMENT_ARRAY_BUFFER_BINDING 0x8895 -#define GL_EQUAL 0x0202 -#define GL_EQUIV 0x1509 -#define GL_EXTENSIONS 0x1F03 -#define GL_FALSE 0 -#define GL_FASTEST 0x1101 -#define GL_FILL 0x1B02 -#define GL_FIRST_VERTEX_CONVENTION 0x8E4D -#define GL_FIXED_ONLY 0x891D -#define GL_FLOAT 0x1406 -#define GL_FLOAT_32_UNSIGNED_INT_24_8_REV 0x8DAD -#define GL_FLOAT_MAT2 0x8B5A -#define GL_FLOAT_MAT2x3 0x8B65 -#define GL_FLOAT_MAT2x4 0x8B66 -#define GL_FLOAT_MAT3 0x8B5B -#define GL_FLOAT_MAT3x2 0x8B67 -#define GL_FLOAT_MAT3x4 0x8B68 -#define GL_FLOAT_MAT4 0x8B5C -#define GL_FLOAT_MAT4x2 0x8B69 -#define GL_FLOAT_MAT4x3 0x8B6A -#define GL_FLOAT_VEC2 0x8B50 -#define GL_FLOAT_VEC3 0x8B51 -#define GL_FLOAT_VEC4 0x8B52 -#define GL_FRAGMENT_SHADER 0x8B30 -#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT 0x8B8B -#define GL_FRAMEBUFFER 0x8D40 -#define GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE 0x8215 -#define GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE 0x8214 -#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING 0x8210 -#define GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE 0x8211 -#define GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE 0x8216 -#define GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE 0x8213 -#define GL_FRAMEBUFFER_ATTACHMENT_LAYERED 0x8DA7 -#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME 0x8CD1 -#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE 0x8CD0 -#define GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE 0x8212 -#define GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE 0x8217 -#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE 0x8CD3 -#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER 0x8CD4 -#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL 0x8CD2 -#define GL_FRAMEBUFFER_BINDING 0x8CA6 -#define GL_FRAMEBUFFER_COMPLETE 0x8CD5 -#define GL_FRAMEBUFFER_DEFAULT 0x8218 -#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT 0x8CD6 -#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER 0x8CDB -#define GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS 0x8DA8 -#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 0x8CD7 -#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE 0x8D56 -#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER 0x8CDC -#define GL_FRAMEBUFFER_SRGB 0x8DB9 -#define GL_FRAMEBUFFER_UNDEFINED 0x8219 -#define GL_FRAMEBUFFER_UNSUPPORTED 0x8CDD -#define GL_FRONT 0x0404 -#define GL_FRONT_AND_BACK 0x0408 -#define GL_FRONT_FACE 0x0B46 -#define GL_FRONT_LEFT 0x0400 -#define GL_FRONT_RIGHT 0x0401 -#define GL_FUNC_ADD 0x8006 -#define GL_FUNC_REVERSE_SUBTRACT 0x800B -#define GL_FUNC_SUBTRACT 0x800A -#define GL_GEOMETRY_INPUT_TYPE 0x8917 -#define GL_GEOMETRY_OUTPUT_TYPE 0x8918 -#define GL_GEOMETRY_SHADER 0x8DD9 -#define GL_GEOMETRY_VERTICES_OUT 0x8916 -#define GL_GEQUAL 0x0206 -#define GL_GREATER 0x0204 -#define GL_GREEN 0x1904 -#define GL_GREEN_INTEGER 0x8D95 -#define GL_HALF_FLOAT 0x140B -#define GL_INCR 0x1E02 -#define GL_INCR_WRAP 0x8507 -#define GL_INFO_LOG_LENGTH 0x8B84 -#define GL_INT 0x1404 -#define GL_INTERLEAVED_ATTRIBS 0x8C8C -#define GL_INT_2_10_10_10_REV 0x8D9F -#define GL_INT_SAMPLER_1D 0x8DC9 -#define GL_INT_SAMPLER_1D_ARRAY 0x8DCE -#define GL_INT_SAMPLER_2D 0x8DCA -#define GL_INT_SAMPLER_2D_ARRAY 0x8DCF -#define GL_INT_SAMPLER_2D_MULTISAMPLE 0x9109 -#define GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910C -#define GL_INT_SAMPLER_2D_RECT 0x8DCD -#define GL_INT_SAMPLER_3D 0x8DCB -#define GL_INT_SAMPLER_BUFFER 0x8DD0 -#define GL_INT_SAMPLER_CUBE 0x8DCC -#define GL_INT_VEC2 0x8B53 -#define GL_INT_VEC3 0x8B54 -#define GL_INT_VEC4 0x8B55 -#define GL_INVALID_ENUM 0x0500 -#define GL_INVALID_FRAMEBUFFER_OPERATION 0x0506 -#define GL_INVALID_INDEX 0xFFFFFFFF -#define GL_INVALID_OPERATION 0x0502 -#define GL_INVALID_VALUE 0x0501 -#define GL_INVERT 0x150A -#define GL_KEEP 0x1E00 -#define GL_LAST_VERTEX_CONVENTION 0x8E4E -#define GL_LEFT 0x0406 -#define GL_LEQUAL 0x0203 -#define GL_LESS 0x0201 -#define GL_LINE 0x1B01 -#define GL_LINEAR 0x2601 -#define GL_LINEAR_MIPMAP_LINEAR 0x2703 -#define GL_LINEAR_MIPMAP_NEAREST 0x2701 -#define GL_LINES 0x0001 -#define GL_LINES_ADJACENCY 0x000A -#define GL_LINE_LOOP 0x0002 -#define GL_LINE_SMOOTH 0x0B20 -#define GL_LINE_SMOOTH_HINT 0x0C52 -#define GL_LINE_STRIP 0x0003 -#define GL_LINE_STRIP_ADJACENCY 0x000B -#define GL_LINE_WIDTH 0x0B21 -#define GL_LINE_WIDTH_GRANULARITY 0x0B23 -#define GL_LINE_WIDTH_RANGE 0x0B22 -#define GL_LINK_STATUS 0x8B82 -#define GL_LOGIC_OP_MODE 0x0BF0 -#define GL_LOWER_LEFT 0x8CA1 -#define GL_MAJOR_VERSION 0x821B -#define GL_MAP_FLUSH_EXPLICIT_BIT 0x0010 -#define GL_MAP_INVALIDATE_BUFFER_BIT 0x0008 -#define GL_MAP_INVALIDATE_RANGE_BIT 0x0004 -#define GL_MAP_READ_BIT 0x0001 -#define GL_MAP_UNSYNCHRONIZED_BIT 0x0020 -#define GL_MAP_WRITE_BIT 0x0002 -#define GL_MAX 0x8008 -#define GL_MAX_3D_TEXTURE_SIZE 0x8073 -#define GL_MAX_ARRAY_TEXTURE_LAYERS 0x88FF -#define GL_MAX_CLIP_DISTANCES 0x0D32 -#define GL_MAX_COLOR_ATTACHMENTS 0x8CDF -#define GL_MAX_COLOR_TEXTURE_SAMPLES 0x910E -#define GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS 0x8A33 -#define GL_MAX_COMBINED_GEOMETRY_UNIFORM_COMPONENTS 0x8A32 -#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D -#define GL_MAX_COMBINED_UNIFORM_BLOCKS 0x8A2E -#define GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS 0x8A31 -#define GL_MAX_CUBE_MAP_TEXTURE_SIZE 0x851C -#define GL_MAX_DEPTH_TEXTURE_SAMPLES 0x910F -#define GL_MAX_DRAW_BUFFERS 0x8824 -#define GL_MAX_DUAL_SOURCE_DRAW_BUFFERS 0x88FC -#define GL_MAX_ELEMENTS_INDICES 0x80E9 -#define GL_MAX_ELEMENTS_VERTICES 0x80E8 -#define GL_MAX_FRAGMENT_INPUT_COMPONENTS 0x9125 -#define GL_MAX_FRAGMENT_UNIFORM_BLOCKS 0x8A2D -#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS 0x8B49 -#define GL_MAX_GEOMETRY_INPUT_COMPONENTS 0x9123 -#define GL_MAX_GEOMETRY_OUTPUT_COMPONENTS 0x9124 -#define GL_MAX_GEOMETRY_OUTPUT_VERTICES 0x8DE0 -#define GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS 0x8C29 -#define GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS 0x8DE1 -#define GL_MAX_GEOMETRY_UNIFORM_BLOCKS 0x8A2C -#define GL_MAX_GEOMETRY_UNIFORM_COMPONENTS 0x8DDF -#define GL_MAX_INTEGER_SAMPLES 0x9110 -#define GL_MAX_PROGRAM_TEXEL_OFFSET 0x8905 -#define GL_MAX_RECTANGLE_TEXTURE_SIZE 0x84F8 -#define GL_MAX_RENDERBUFFER_SIZE 0x84E8 -#define GL_MAX_SAMPLES 0x8D57 -#define GL_MAX_SAMPLE_MASK_WORDS 0x8E59 -#define GL_MAX_SERVER_WAIT_TIMEOUT 0x9111 -#define GL_MAX_TEXTURE_BUFFER_SIZE 0x8C2B -#define GL_MAX_TEXTURE_IMAGE_UNITS 0x8872 -#define GL_MAX_TEXTURE_LOD_BIAS 0x84FD -#define GL_MAX_TEXTURE_MAX_ANISOTROPY 0x84FF -#define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF -#define GL_MAX_TEXTURE_SIZE 0x0D33 -#define GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS 0x8C8A -#define GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS 0x8C8B -#define GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS 0x8C80 -#define GL_MAX_UNIFORM_BLOCK_SIZE 0x8A30 -#define GL_MAX_UNIFORM_BUFFER_BINDINGS 0x8A2F -#define GL_MAX_VARYING_COMPONENTS 0x8B4B -#define GL_MAX_VARYING_FLOATS 0x8B4B -#define GL_MAX_VERTEX_ATTRIBS 0x8869 -#define GL_MAX_VERTEX_OUTPUT_COMPONENTS 0x9122 -#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS 0x8B4C -#define GL_MAX_VERTEX_UNIFORM_BLOCKS 0x8A2B -#define GL_MAX_VERTEX_UNIFORM_COMPONENTS 0x8B4A -#define GL_MAX_VIEWPORT_DIMS 0x0D3A -#define GL_MIN 0x8007 -#define GL_MINOR_VERSION 0x821C -#define GL_MIN_PROGRAM_TEXEL_OFFSET 0x8904 -#define GL_MIRRORED_REPEAT 0x8370 -#define GL_MULTISAMPLE 0x809D -#define GL_NAND 0x150E -#define GL_NEAREST 0x2600 -#define GL_NEAREST_MIPMAP_LINEAR 0x2702 -#define GL_NEAREST_MIPMAP_NEAREST 0x2700 -#define GL_NEVER 0x0200 -#define GL_NICEST 0x1102 -#define GL_NONE 0 -#define GL_NOOP 0x1505 -#define GL_NOR 0x1508 -#define GL_NOTEQUAL 0x0205 -#define GL_NO_ERROR 0 -#define GL_NUM_COMPRESSED_TEXTURE_FORMATS 0x86A2 -#define GL_NUM_EXTENSIONS 0x821D -#define GL_OBJECT_TYPE 0x9112 -#define GL_ONE 1 -#define GL_ONE_MINUS_CONSTANT_ALPHA 0x8004 -#define GL_ONE_MINUS_CONSTANT_COLOR 0x8002 -#define GL_ONE_MINUS_DST_ALPHA 0x0305 -#define GL_ONE_MINUS_DST_COLOR 0x0307 -#define GL_ONE_MINUS_SRC1_ALPHA 0x88FB -#define GL_ONE_MINUS_SRC1_COLOR 0x88FA -#define GL_ONE_MINUS_SRC_ALPHA 0x0303 -#define GL_ONE_MINUS_SRC_COLOR 0x0301 -#define GL_OR 0x1507 -#define GL_OR_INVERTED 0x150D -#define GL_OR_REVERSE 0x150B -#define GL_OUT_OF_MEMORY 0x0505 -#define GL_PACK_ALIGNMENT 0x0D05 -#define GL_PACK_IMAGE_HEIGHT 0x806C -#define GL_PACK_LSB_FIRST 0x0D01 -#define GL_PACK_ROW_LENGTH 0x0D02 -#define GL_PACK_SKIP_IMAGES 0x806B -#define GL_PACK_SKIP_PIXELS 0x0D04 -#define GL_PACK_SKIP_ROWS 0x0D03 -#define GL_PACK_SWAP_BYTES 0x0D00 -#define GL_PIXEL_PACK_BUFFER 0x88EB -#define GL_PIXEL_PACK_BUFFER_BINDING 0x88ED -#define GL_PIXEL_UNPACK_BUFFER 0x88EC -#define GL_PIXEL_UNPACK_BUFFER_BINDING 0x88EF -#define GL_POINT 0x1B00 -#define GL_POINTS 0x0000 -#define GL_POINT_FADE_THRESHOLD_SIZE 0x8128 -#define GL_POINT_SIZE 0x0B11 -#define GL_POINT_SIZE_GRANULARITY 0x0B13 -#define GL_POINT_SIZE_RANGE 0x0B12 -#define GL_POINT_SPRITE_COORD_ORIGIN 0x8CA0 -#define GL_POLYGON_MODE 0x0B40 -#define GL_POLYGON_OFFSET_FACTOR 0x8038 -#define GL_POLYGON_OFFSET_FILL 0x8037 -#define GL_POLYGON_OFFSET_LINE 0x2A02 -#define GL_POLYGON_OFFSET_POINT 0x2A01 -#define GL_POLYGON_OFFSET_UNITS 0x2A00 -#define GL_POLYGON_SMOOTH 0x0B41 -#define GL_POLYGON_SMOOTH_HINT 0x0C53 -#define GL_PRIMITIVES_GENERATED 0x8C87 -#define GL_PRIMITIVE_RESTART 0x8F9D -#define GL_PRIMITIVE_RESTART_INDEX 0x8F9E -#define GL_PROGRAM_POINT_SIZE 0x8642 -#define GL_PROVOKING_VERTEX 0x8E4F -#define GL_PROXY_TEXTURE_1D 0x8063 -#define GL_PROXY_TEXTURE_1D_ARRAY 0x8C19 -#define GL_PROXY_TEXTURE_2D 0x8064 -#define GL_PROXY_TEXTURE_2D_ARRAY 0x8C1B -#define GL_PROXY_TEXTURE_2D_MULTISAMPLE 0x9101 -#define GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY 0x9103 -#define GL_PROXY_TEXTURE_3D 0x8070 -#define GL_PROXY_TEXTURE_CUBE_MAP 0x851B -#define GL_PROXY_TEXTURE_RECTANGLE 0x84F7 -#define GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION 0x8E4C -#define GL_QUERY_BY_REGION_NO_WAIT 0x8E16 -#define GL_QUERY_BY_REGION_WAIT 0x8E15 -#define GL_QUERY_COUNTER_BITS 0x8864 -#define GL_QUERY_NO_WAIT 0x8E14 -#define GL_QUERY_RESULT 0x8866 -#define GL_QUERY_RESULT_AVAILABLE 0x8867 -#define GL_QUERY_WAIT 0x8E13 -#define GL_R11F_G11F_B10F 0x8C3A -#define GL_R16 0x822A -#define GL_R16F 0x822D -#define GL_R16I 0x8233 -#define GL_R16UI 0x8234 -#define GL_R16_SNORM 0x8F98 -#define GL_R32F 0x822E -#define GL_R32I 0x8235 -#define GL_R32UI 0x8236 -#define GL_R3_G3_B2 0x2A10 -#define GL_R8 0x8229 -#define GL_R8I 0x8231 -#define GL_R8UI 0x8232 -#define GL_R8_SNORM 0x8F94 -#define GL_RASTERIZER_DISCARD 0x8C89 -#define GL_READ_BUFFER 0x0C02 -#define GL_READ_FRAMEBUFFER 0x8CA8 -#define GL_READ_FRAMEBUFFER_BINDING 0x8CAA -#define GL_READ_ONLY 0x88B8 -#define GL_READ_WRITE 0x88BA -#define GL_RED 0x1903 -#define GL_RED_INTEGER 0x8D94 -#define GL_RENDERBUFFER 0x8D41 -#define GL_RENDERBUFFER_ALPHA_SIZE 0x8D53 -#define GL_RENDERBUFFER_BINDING 0x8CA7 -#define GL_RENDERBUFFER_BLUE_SIZE 0x8D52 -#define GL_RENDERBUFFER_DEPTH_SIZE 0x8D54 -#define GL_RENDERBUFFER_GREEN_SIZE 0x8D51 -#define GL_RENDERBUFFER_HEIGHT 0x8D43 -#define GL_RENDERBUFFER_INTERNAL_FORMAT 0x8D44 -#define GL_RENDERBUFFER_RED_SIZE 0x8D50 -#define GL_RENDERBUFFER_SAMPLES 0x8CAB -#define GL_RENDERBUFFER_STENCIL_SIZE 0x8D55 -#define GL_RENDERBUFFER_WIDTH 0x8D42 -#define GL_RENDERER 0x1F01 -#define GL_REPEAT 0x2901 -#define GL_REPLACE 0x1E01 -#define GL_RG 0x8227 -#define GL_RG16 0x822C -#define GL_RG16F 0x822F -#define GL_RG16I 0x8239 -#define GL_RG16UI 0x823A -#define GL_RG16_SNORM 0x8F99 -#define GL_RG32F 0x8230 -#define GL_RG32I 0x823B -#define GL_RG32UI 0x823C -#define GL_RG8 0x822B -#define GL_RG8I 0x8237 -#define GL_RG8UI 0x8238 -#define GL_RG8_SNORM 0x8F95 -#define GL_RGB 0x1907 -#define GL_RGB10 0x8052 -#define GL_RGB10_A2 0x8059 -#define GL_RGB10_A2UI 0x906F -#define GL_RGB12 0x8053 -#define GL_RGB16 0x8054 -#define GL_RGB16F 0x881B -#define GL_RGB16I 0x8D89 -#define GL_RGB16UI 0x8D77 -#define GL_RGB16_SNORM 0x8F9A -#define GL_RGB32F 0x8815 -#define GL_RGB32I 0x8D83 -#define GL_RGB32UI 0x8D71 -#define GL_RGB4 0x804F -#define GL_RGB5 0x8050 -#define GL_RGB5_A1 0x8057 -#define GL_RGB8 0x8051 -#define GL_RGB8I 0x8D8F -#define GL_RGB8UI 0x8D7D -#define GL_RGB8_SNORM 0x8F96 -#define GL_RGB9_E5 0x8C3D -#define GL_RGBA 0x1908 -#define GL_RGBA12 0x805A -#define GL_RGBA16 0x805B -#define GL_RGBA16F 0x881A -#define GL_RGBA16I 0x8D88 -#define GL_RGBA16UI 0x8D76 -#define GL_RGBA16_SNORM 0x8F9B -#define GL_RGBA2 0x8055 -#define GL_RGBA32F 0x8814 -#define GL_RGBA32I 0x8D82 -#define GL_RGBA32UI 0x8D70 -#define GL_RGBA4 0x8056 -#define GL_RGBA8 0x8058 -#define GL_RGBA8I 0x8D8E -#define GL_RGBA8UI 0x8D7C -#define GL_RGBA8_SNORM 0x8F97 -#define GL_RGBA_INTEGER 0x8D99 -#define GL_RGB_INTEGER 0x8D98 -#define GL_RG_INTEGER 0x8228 -#define GL_RIGHT 0x0407 -#define GL_SAMPLER_1D 0x8B5D -#define GL_SAMPLER_1D_ARRAY 0x8DC0 -#define GL_SAMPLER_1D_ARRAY_SHADOW 0x8DC3 -#define GL_SAMPLER_1D_SHADOW 0x8B61 -#define GL_SAMPLER_2D 0x8B5E -#define GL_SAMPLER_2D_ARRAY 0x8DC1 -#define GL_SAMPLER_2D_ARRAY_SHADOW 0x8DC4 -#define GL_SAMPLER_2D_MULTISAMPLE 0x9108 -#define GL_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910B -#define GL_SAMPLER_2D_RECT 0x8B63 -#define GL_SAMPLER_2D_RECT_SHADOW 0x8B64 -#define GL_SAMPLER_2D_SHADOW 0x8B62 -#define GL_SAMPLER_3D 0x8B5F -#define GL_SAMPLER_BINDING 0x8919 -#define GL_SAMPLER_BUFFER 0x8DC2 -#define GL_SAMPLER_CUBE 0x8B60 -#define GL_SAMPLER_CUBE_SHADOW 0x8DC5 -#define GL_SAMPLES 0x80A9 -#define GL_SAMPLES_PASSED 0x8914 -#define GL_SAMPLE_ALPHA_TO_COVERAGE 0x809E -#define GL_SAMPLE_ALPHA_TO_ONE 0x809F -#define GL_SAMPLE_BUFFERS 0x80A8 -#define GL_SAMPLE_COVERAGE 0x80A0 -#define GL_SAMPLE_COVERAGE_INVERT 0x80AB -#define GL_SAMPLE_COVERAGE_VALUE 0x80AA -#define GL_SAMPLE_MASK 0x8E51 -#define GL_SAMPLE_MASK_VALUE 0x8E52 -#define GL_SAMPLE_POSITION 0x8E50 -#define GL_SCISSOR_BOX 0x0C10 -#define GL_SCISSOR_TEST 0x0C11 -#define GL_SEPARATE_ATTRIBS 0x8C8D -#define GL_SET 0x150F -#define GL_SHADER_SOURCE_LENGTH 0x8B88 -#define GL_SHADER_TYPE 0x8B4F -#define GL_SHADING_LANGUAGE_VERSION 0x8B8C -#define GL_SHORT 0x1402 -#define GL_SIGNALED 0x9119 -#define GL_SIGNED_NORMALIZED 0x8F9C -#define GL_SMOOTH_LINE_WIDTH_GRANULARITY 0x0B23 -#define GL_SMOOTH_LINE_WIDTH_RANGE 0x0B22 -#define GL_SMOOTH_POINT_SIZE_GRANULARITY 0x0B13 -#define GL_SMOOTH_POINT_SIZE_RANGE 0x0B12 -#define GL_SRC1_ALPHA 0x8589 -#define GL_SRC1_COLOR 0x88F9 -#define GL_SRC_ALPHA 0x0302 -#define GL_SRC_ALPHA_SATURATE 0x0308 -#define GL_SRC_COLOR 0x0300 -#define GL_SRGB 0x8C40 -#define GL_SRGB8 0x8C41 -#define GL_SRGB8_ALPHA8 0x8C43 -#define GL_SRGB_ALPHA 0x8C42 -#define GL_STATIC_COPY 0x88E6 -#define GL_STATIC_DRAW 0x88E4 -#define GL_STATIC_READ 0x88E5 -#define GL_STENCIL 0x1802 -#define GL_STENCIL_ATTACHMENT 0x8D20 -#define GL_STENCIL_BACK_FAIL 0x8801 -#define GL_STENCIL_BACK_FUNC 0x8800 -#define GL_STENCIL_BACK_PASS_DEPTH_FAIL 0x8802 -#define GL_STENCIL_BACK_PASS_DEPTH_PASS 0x8803 -#define GL_STENCIL_BACK_REF 0x8CA3 -#define GL_STENCIL_BACK_VALUE_MASK 0x8CA4 -#define GL_STENCIL_BACK_WRITEMASK 0x8CA5 -#define GL_STENCIL_BUFFER_BIT 0x00000400 -#define GL_STENCIL_CLEAR_VALUE 0x0B91 -#define GL_STENCIL_FAIL 0x0B94 -#define GL_STENCIL_FUNC 0x0B92 -#define GL_STENCIL_INDEX 0x1901 -#define GL_STENCIL_INDEX1 0x8D46 -#define GL_STENCIL_INDEX16 0x8D49 -#define GL_STENCIL_INDEX4 0x8D47 -#define GL_STENCIL_INDEX8 0x8D48 -#define GL_STENCIL_PASS_DEPTH_FAIL 0x0B95 -#define GL_STENCIL_PASS_DEPTH_PASS 0x0B96 -#define GL_STENCIL_REF 0x0B97 -#define GL_STENCIL_TEST 0x0B90 -#define GL_STENCIL_VALUE_MASK 0x0B93 -#define GL_STENCIL_WRITEMASK 0x0B98 -#define GL_STEREO 0x0C33 -#define GL_STREAM_COPY 0x88E2 -#define GL_STREAM_DRAW 0x88E0 -#define GL_STREAM_READ 0x88E1 -#define GL_SUBPIXEL_BITS 0x0D50 -#define GL_SYNC_CONDITION 0x9113 -#define GL_SYNC_FENCE 0x9116 -#define GL_SYNC_FLAGS 0x9115 -#define GL_SYNC_FLUSH_COMMANDS_BIT 0x00000001 -#define GL_SYNC_GPU_COMMANDS_COMPLETE 0x9117 -#define GL_SYNC_STATUS 0x9114 -#define GL_TEXTURE 0x1702 -#define GL_TEXTURE0 0x84C0 -#define GL_TEXTURE1 0x84C1 -#define GL_TEXTURE10 0x84CA -#define GL_TEXTURE11 0x84CB -#define GL_TEXTURE12 0x84CC -#define GL_TEXTURE13 0x84CD -#define GL_TEXTURE14 0x84CE -#define GL_TEXTURE15 0x84CF -#define GL_TEXTURE16 0x84D0 -#define GL_TEXTURE17 0x84D1 -#define GL_TEXTURE18 0x84D2 -#define GL_TEXTURE19 0x84D3 -#define GL_TEXTURE2 0x84C2 -#define GL_TEXTURE20 0x84D4 -#define GL_TEXTURE21 0x84D5 -#define GL_TEXTURE22 0x84D6 -#define GL_TEXTURE23 0x84D7 -#define GL_TEXTURE24 0x84D8 -#define GL_TEXTURE25 0x84D9 -#define GL_TEXTURE26 0x84DA -#define GL_TEXTURE27 0x84DB -#define GL_TEXTURE28 0x84DC -#define GL_TEXTURE29 0x84DD -#define GL_TEXTURE3 0x84C3 -#define GL_TEXTURE30 0x84DE -#define GL_TEXTURE31 0x84DF -#define GL_TEXTURE4 0x84C4 -#define GL_TEXTURE5 0x84C5 -#define GL_TEXTURE6 0x84C6 -#define GL_TEXTURE7 0x84C7 -#define GL_TEXTURE8 0x84C8 -#define GL_TEXTURE9 0x84C9 -#define GL_TEXTURE_1D 0x0DE0 -#define GL_TEXTURE_1D_ARRAY 0x8C18 -#define GL_TEXTURE_2D 0x0DE1 -#define GL_TEXTURE_2D_ARRAY 0x8C1A -#define GL_TEXTURE_2D_MULTISAMPLE 0x9100 -#define GL_TEXTURE_2D_MULTISAMPLE_ARRAY 0x9102 -#define GL_TEXTURE_3D 0x806F -#define GL_TEXTURE_ALPHA_SIZE 0x805F -#define GL_TEXTURE_ALPHA_TYPE 0x8C13 -#define GL_TEXTURE_BASE_LEVEL 0x813C -#define GL_TEXTURE_BINDING_1D 0x8068 -#define GL_TEXTURE_BINDING_1D_ARRAY 0x8C1C -#define GL_TEXTURE_BINDING_2D 0x8069 -#define GL_TEXTURE_BINDING_2D_ARRAY 0x8C1D -#define GL_TEXTURE_BINDING_2D_MULTISAMPLE 0x9104 -#define GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY 0x9105 -#define GL_TEXTURE_BINDING_3D 0x806A -#define GL_TEXTURE_BINDING_BUFFER 0x8C2C -#define GL_TEXTURE_BINDING_CUBE_MAP 0x8514 -#define GL_TEXTURE_BINDING_RECTANGLE 0x84F6 -#define GL_TEXTURE_BLUE_SIZE 0x805E -#define GL_TEXTURE_BLUE_TYPE 0x8C12 -#define GL_TEXTURE_BORDER_COLOR 0x1004 -#define GL_TEXTURE_BUFFER 0x8C2A -#define GL_TEXTURE_BUFFER_DATA_STORE_BINDING 0x8C2D -#define GL_TEXTURE_COMPARE_FUNC 0x884D -#define GL_TEXTURE_COMPARE_MODE 0x884C -#define GL_TEXTURE_COMPRESSED 0x86A1 -#define GL_TEXTURE_COMPRESSED_IMAGE_SIZE 0x86A0 -#define GL_TEXTURE_COMPRESSION_HINT 0x84EF -#define GL_TEXTURE_CUBE_MAP 0x8513 -#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0x8516 -#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0x8518 -#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0x851A -#define GL_TEXTURE_CUBE_MAP_POSITIVE_X 0x8515 -#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0x8517 -#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0x8519 -#define GL_TEXTURE_CUBE_MAP_SEAMLESS 0x884F -#define GL_TEXTURE_DEPTH 0x8071 -#define GL_TEXTURE_DEPTH_SIZE 0x884A -#define GL_TEXTURE_DEPTH_TYPE 0x8C16 -#define GL_TEXTURE_FIXED_SAMPLE_LOCATIONS 0x9107 -#define GL_TEXTURE_GREEN_SIZE 0x805D -#define GL_TEXTURE_GREEN_TYPE 0x8C11 -#define GL_TEXTURE_HEIGHT 0x1001 -#define GL_TEXTURE_INTERNAL_FORMAT 0x1003 -#define GL_TEXTURE_LOD_BIAS 0x8501 -#define GL_TEXTURE_MAG_FILTER 0x2800 -#define GL_TEXTURE_MAX_ANISOTROPY 0x84FE -#define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE -#define GL_TEXTURE_MAX_LEVEL 0x813D -#define GL_TEXTURE_MAX_LOD 0x813B -#define GL_TEXTURE_MIN_FILTER 0x2801 -#define GL_TEXTURE_MIN_LOD 0x813A -#define GL_TEXTURE_RECTANGLE 0x84F5 -#define GL_TEXTURE_RED_SIZE 0x805C -#define GL_TEXTURE_RED_TYPE 0x8C10 -#define GL_TEXTURE_SAMPLES 0x9106 -#define GL_TEXTURE_SHARED_SIZE 0x8C3F -#define GL_TEXTURE_STENCIL_SIZE 0x88F1 -#define GL_TEXTURE_SWIZZLE_A 0x8E45 -#define GL_TEXTURE_SWIZZLE_B 0x8E44 -#define GL_TEXTURE_SWIZZLE_G 0x8E43 -#define GL_TEXTURE_SWIZZLE_R 0x8E42 -#define GL_TEXTURE_SWIZZLE_RGBA 0x8E46 -#define GL_TEXTURE_WIDTH 0x1000 -#define GL_TEXTURE_WRAP_R 0x8072 -#define GL_TEXTURE_WRAP_S 0x2802 -#define GL_TEXTURE_WRAP_T 0x2803 -#define GL_TIMEOUT_EXPIRED 0x911B -#define GL_TIMEOUT_IGNORED 0xFFFFFFFFFFFFFFFF -#define GL_TIMESTAMP 0x8E28 -#define GL_TIME_ELAPSED 0x88BF -#define GL_TRANSFORM_FEEDBACK_BUFFER 0x8C8E -#define GL_TRANSFORM_FEEDBACK_BUFFER_BINDING 0x8C8F -#define GL_TRANSFORM_FEEDBACK_BUFFER_MODE 0x8C7F -#define GL_TRANSFORM_FEEDBACK_BUFFER_SIZE 0x8C85 -#define GL_TRANSFORM_FEEDBACK_BUFFER_START 0x8C84 -#define GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN 0x8C88 -#define GL_TRANSFORM_FEEDBACK_VARYINGS 0x8C83 -#define GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH 0x8C76 -#define GL_TRIANGLES 0x0004 -#define GL_TRIANGLES_ADJACENCY 0x000C -#define GL_TRIANGLE_FAN 0x0006 -#define GL_TRIANGLE_STRIP 0x0005 -#define GL_TRIANGLE_STRIP_ADJACENCY 0x000D -#define GL_TRUE 1 -#define GL_UNIFORM_ARRAY_STRIDE 0x8A3C -#define GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS 0x8A42 -#define GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES 0x8A43 -#define GL_UNIFORM_BLOCK_BINDING 0x8A3F -#define GL_UNIFORM_BLOCK_DATA_SIZE 0x8A40 -#define GL_UNIFORM_BLOCK_INDEX 0x8A3A -#define GL_UNIFORM_BLOCK_NAME_LENGTH 0x8A41 -#define GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER 0x8A46 -#define GL_UNIFORM_BLOCK_REFERENCED_BY_GEOMETRY_SHADER 0x8A45 -#define GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER 0x8A44 -#define GL_UNIFORM_BUFFER 0x8A11 -#define GL_UNIFORM_BUFFER_BINDING 0x8A28 -#define GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT 0x8A34 -#define GL_UNIFORM_BUFFER_SIZE 0x8A2A -#define GL_UNIFORM_BUFFER_START 0x8A29 -#define GL_UNIFORM_IS_ROW_MAJOR 0x8A3E -#define GL_UNIFORM_MATRIX_STRIDE 0x8A3D -#define GL_UNIFORM_NAME_LENGTH 0x8A39 -#define GL_UNIFORM_OFFSET 0x8A3B -#define GL_UNIFORM_SIZE 0x8A38 -#define GL_UNIFORM_TYPE 0x8A37 -#define GL_UNPACK_ALIGNMENT 0x0CF5 -#define GL_UNPACK_IMAGE_HEIGHT 0x806E -#define GL_UNPACK_LSB_FIRST 0x0CF1 -#define GL_UNPACK_ROW_LENGTH 0x0CF2 -#define GL_UNPACK_SKIP_IMAGES 0x806D -#define GL_UNPACK_SKIP_PIXELS 0x0CF4 -#define GL_UNPACK_SKIP_ROWS 0x0CF3 -#define GL_UNPACK_SWAP_BYTES 0x0CF0 -#define GL_UNSIGNALED 0x9118 -#define GL_UNSIGNED_BYTE 0x1401 -#define GL_UNSIGNED_BYTE_2_3_3_REV 0x8362 -#define GL_UNSIGNED_BYTE_3_3_2 0x8032 -#define GL_UNSIGNED_INT 0x1405 -#define GL_UNSIGNED_INT_10F_11F_11F_REV 0x8C3B -#define GL_UNSIGNED_INT_10_10_10_2 0x8036 -#define GL_UNSIGNED_INT_24_8 0x84FA -#define GL_UNSIGNED_INT_2_10_10_10_REV 0x8368 -#define GL_UNSIGNED_INT_5_9_9_9_REV 0x8C3E -#define GL_UNSIGNED_INT_8_8_8_8 0x8035 -#define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367 -#define GL_UNSIGNED_INT_SAMPLER_1D 0x8DD1 -#define GL_UNSIGNED_INT_SAMPLER_1D_ARRAY 0x8DD6 -#define GL_UNSIGNED_INT_SAMPLER_2D 0x8DD2 -#define GL_UNSIGNED_INT_SAMPLER_2D_ARRAY 0x8DD7 -#define GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE 0x910A -#define GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910D -#define GL_UNSIGNED_INT_SAMPLER_2D_RECT 0x8DD5 -#define GL_UNSIGNED_INT_SAMPLER_3D 0x8DD3 -#define GL_UNSIGNED_INT_SAMPLER_BUFFER 0x8DD8 -#define GL_UNSIGNED_INT_SAMPLER_CUBE 0x8DD4 -#define GL_UNSIGNED_INT_VEC2 0x8DC6 -#define GL_UNSIGNED_INT_VEC3 0x8DC7 -#define GL_UNSIGNED_INT_VEC4 0x8DC8 -#define GL_UNSIGNED_NORMALIZED 0x8C17 -#define GL_UNSIGNED_SHORT 0x1403 -#define GL_UNSIGNED_SHORT_1_5_5_5_REV 0x8366 -#define GL_UNSIGNED_SHORT_4_4_4_4 0x8033 -#define GL_UNSIGNED_SHORT_4_4_4_4_REV 0x8365 -#define GL_UNSIGNED_SHORT_5_5_5_1 0x8034 -#define GL_UNSIGNED_SHORT_5_6_5 0x8363 -#define GL_UNSIGNED_SHORT_5_6_5_REV 0x8364 -#define GL_UPPER_LEFT 0x8CA2 -#define GL_VALIDATE_STATUS 0x8B83 -#define GL_VENDOR 0x1F00 -#define GL_VERSION 0x1F02 -#define GL_VERTEX_ARRAY_BINDING 0x85B5 -#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING 0x889F -#define GL_VERTEX_ATTRIB_ARRAY_DIVISOR 0x88FE -#define GL_VERTEX_ATTRIB_ARRAY_ENABLED 0x8622 -#define GL_VERTEX_ATTRIB_ARRAY_INTEGER 0x88FD -#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED 0x886A -#define GL_VERTEX_ATTRIB_ARRAY_POINTER 0x8645 -#define GL_VERTEX_ATTRIB_ARRAY_SIZE 0x8623 -#define GL_VERTEX_ATTRIB_ARRAY_STRIDE 0x8624 -#define GL_VERTEX_ATTRIB_ARRAY_TYPE 0x8625 -#define GL_VERTEX_PROGRAM_POINT_SIZE 0x8642 -#define GL_VERTEX_SHADER 0x8B31 -#define GL_VIEWPORT 0x0BA2 -#define GL_WAIT_FAILED 0x911D -#define GL_WRITE_ONLY 0x88B9 -#define GL_XOR 0x1506 -#define GL_ZERO 0 - - -#include <KHR/khrplatform.h> -typedef unsigned int GLenum; -typedef unsigned char GLboolean; -typedef unsigned int GLbitfield; -typedef void GLvoid; -typedef khronos_int8_t GLbyte; -typedef khronos_uint8_t GLubyte; -typedef khronos_int16_t GLshort; -typedef khronos_uint16_t GLushort; -typedef int GLint; -typedef unsigned int GLuint; -typedef khronos_int32_t GLclampx; -typedef int GLsizei; -typedef khronos_float_t GLfloat; -typedef khronos_float_t GLclampf; -typedef double GLdouble; -typedef double GLclampd; -typedef void *GLeglClientBufferEXT; -typedef void *GLeglImageOES; -typedef char GLchar; -typedef char GLcharARB; -#ifdef __APPLE__ -typedef void *GLhandleARB; -#else -typedef unsigned int GLhandleARB; -#endif -typedef khronos_uint16_t GLhalf; -typedef khronos_uint16_t GLhalfARB; -typedef khronos_int32_t GLfixed; -#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && (__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ > 1060) -typedef khronos_intptr_t GLintptr; -#else -typedef khronos_intptr_t GLintptr; -#endif -#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && (__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ > 1060) -typedef khronos_intptr_t GLintptrARB; -#else -typedef khronos_intptr_t GLintptrARB; -#endif -#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && (__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ > 1060) -typedef khronos_ssize_t GLsizeiptr; -#else -typedef khronos_ssize_t GLsizeiptr; -#endif -#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && (__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ > 1060) -typedef khronos_ssize_t GLsizeiptrARB; -#else -typedef khronos_ssize_t GLsizeiptrARB; -#endif -typedef khronos_int64_t GLint64; -typedef khronos_int64_t GLint64EXT; -typedef khronos_uint64_t GLuint64; -typedef khronos_uint64_t GLuint64EXT; -typedef struct __GLsync *GLsync; -struct _cl_context; -struct _cl_event; -typedef void (GLAD_API_PTR *GLDEBUGPROC)(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,const void *userParam); -typedef void (GLAD_API_PTR *GLDEBUGPROCARB)(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,const void *userParam); -typedef void (GLAD_API_PTR *GLDEBUGPROCKHR)(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,const void *userParam); -typedef void (GLAD_API_PTR *GLDEBUGPROCAMD)(GLuint id,GLenum category,GLenum severity,GLsizei length,const GLchar *message,void *userParam); -typedef unsigned short GLhalfNV; -typedef GLintptr GLvdpauSurfaceNV; -typedef void (GLAD_API_PTR *GLVULKANPROCNV)(void); - - -#define GL_VERSION_1_0 1 -GLAD_API_CALL int GLAD_GL_VERSION_1_0; -#define GL_VERSION_1_1 1 -GLAD_API_CALL int GLAD_GL_VERSION_1_1; -#define GL_VERSION_1_2 1 -GLAD_API_CALL int GLAD_GL_VERSION_1_2; -#define GL_VERSION_1_3 1 -GLAD_API_CALL int GLAD_GL_VERSION_1_3; -#define GL_VERSION_1_4 1 -GLAD_API_CALL int GLAD_GL_VERSION_1_4; -#define GL_VERSION_1_5 1 -GLAD_API_CALL int GLAD_GL_VERSION_1_5; -#define GL_VERSION_2_0 1 -GLAD_API_CALL int GLAD_GL_VERSION_2_0; -#define GL_VERSION_2_1 1 -GLAD_API_CALL int GLAD_GL_VERSION_2_1; -#define GL_VERSION_3_0 1 -GLAD_API_CALL int GLAD_GL_VERSION_3_0; -#define GL_VERSION_3_1 1 -GLAD_API_CALL int GLAD_GL_VERSION_3_1; -#define GL_VERSION_3_2 1 -GLAD_API_CALL int GLAD_GL_VERSION_3_2; -#define GL_VERSION_3_3 1 -GLAD_API_CALL int GLAD_GL_VERSION_3_3; -#define GL_EXT_texture_filter_anisotropic 1 -GLAD_API_CALL int GLAD_GL_EXT_texture_filter_anisotropic; - - -typedef void (GLAD_API_PTR *PFNGLACTIVETEXTUREPROC)(GLenum texture); -typedef void (GLAD_API_PTR *PFNGLATTACHSHADERPROC)(GLuint program, GLuint shader); -typedef void (GLAD_API_PTR *PFNGLBEGINCONDITIONALRENDERPROC)(GLuint id, GLenum mode); -typedef void (GLAD_API_PTR *PFNGLBEGINQUERYPROC)(GLenum target, GLuint id); -typedef void (GLAD_API_PTR *PFNGLBEGINTRANSFORMFEEDBACKPROC)(GLenum primitiveMode); -typedef void (GLAD_API_PTR *PFNGLBINDATTRIBLOCATIONPROC)(GLuint program, GLuint index, const GLchar * name); -typedef void (GLAD_API_PTR *PFNGLBINDBUFFERPROC)(GLenum target, GLuint buffer); -typedef void (GLAD_API_PTR *PFNGLBINDBUFFERBASEPROC)(GLenum target, GLuint index, GLuint buffer); -typedef void (GLAD_API_PTR *PFNGLBINDBUFFERRANGEPROC)(GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size); -typedef void (GLAD_API_PTR *PFNGLBINDFRAGDATALOCATIONPROC)(GLuint program, GLuint color, const GLchar * name); -typedef void (GLAD_API_PTR *PFNGLBINDFRAGDATALOCATIONINDEXEDPROC)(GLuint program, GLuint colorNumber, GLuint index, const GLchar * name); -typedef void (GLAD_API_PTR *PFNGLBINDFRAMEBUFFERPROC)(GLenum target, GLuint framebuffer); -typedef void (GLAD_API_PTR *PFNGLBINDRENDERBUFFERPROC)(GLenum target, GLuint renderbuffer); -typedef void (GLAD_API_PTR *PFNGLBINDSAMPLERPROC)(GLuint unit, GLuint sampler); -typedef void (GLAD_API_PTR *PFNGLBINDTEXTUREPROC)(GLenum target, GLuint texture); -typedef void (GLAD_API_PTR *PFNGLBINDVERTEXARRAYPROC)(GLuint array); -typedef void (GLAD_API_PTR *PFNGLBLENDCOLORPROC)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha); -typedef void (GLAD_API_PTR *PFNGLBLENDEQUATIONPROC)(GLenum mode); -typedef void (GLAD_API_PTR *PFNGLBLENDEQUATIONSEPARATEPROC)(GLenum modeRGB, GLenum modeAlpha); -typedef void (GLAD_API_PTR *PFNGLBLENDFUNCPROC)(GLenum sfactor, GLenum dfactor); -typedef void (GLAD_API_PTR *PFNGLBLENDFUNCSEPARATEPROC)(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha); -typedef void (GLAD_API_PTR *PFNGLBLITFRAMEBUFFERPROC)(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter); -typedef void (GLAD_API_PTR *PFNGLBUFFERDATAPROC)(GLenum target, GLsizeiptr size, const void * data, GLenum usage); -typedef void (GLAD_API_PTR *PFNGLBUFFERSUBDATAPROC)(GLenum target, GLintptr offset, GLsizeiptr size, const void * data); -typedef GLenum (GLAD_API_PTR *PFNGLCHECKFRAMEBUFFERSTATUSPROC)(GLenum target); -typedef void (GLAD_API_PTR *PFNGLCLAMPCOLORPROC)(GLenum target, GLenum clamp); -typedef void (GLAD_API_PTR *PFNGLCLEARPROC)(GLbitfield mask); -typedef void (GLAD_API_PTR *PFNGLCLEARBUFFERFIPROC)(GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil); -typedef void (GLAD_API_PTR *PFNGLCLEARBUFFERFVPROC)(GLenum buffer, GLint drawbuffer, const GLfloat * value); -typedef void (GLAD_API_PTR *PFNGLCLEARBUFFERIVPROC)(GLenum buffer, GLint drawbuffer, const GLint * value); -typedef void (GLAD_API_PTR *PFNGLCLEARBUFFERUIVPROC)(GLenum buffer, GLint drawbuffer, const GLuint * value); -typedef void (GLAD_API_PTR *PFNGLCLEARCOLORPROC)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha); -typedef void (GLAD_API_PTR *PFNGLCLEARDEPTHPROC)(GLdouble depth); -typedef void (GLAD_API_PTR *PFNGLCLEARSTENCILPROC)(GLint s); -typedef GLenum (GLAD_API_PTR *PFNGLCLIENTWAITSYNCPROC)(GLsync sync, GLbitfield flags, GLuint64 timeout); -typedef void (GLAD_API_PTR *PFNGLCOLORMASKPROC)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha); -typedef void (GLAD_API_PTR *PFNGLCOLORMASKIPROC)(GLuint index, GLboolean r, GLboolean g, GLboolean b, GLboolean a); -typedef void (GLAD_API_PTR *PFNGLCOMPILESHADERPROC)(GLuint shader); -typedef void (GLAD_API_PTR *PFNGLCOMPRESSEDTEXIMAGE1DPROC)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const void * data); -typedef void (GLAD_API_PTR *PFNGLCOMPRESSEDTEXIMAGE2DPROC)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void * data); -typedef void (GLAD_API_PTR *PFNGLCOMPRESSEDTEXIMAGE3DPROC)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void * data); -typedef void (GLAD_API_PTR *PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const void * data); -typedef void (GLAD_API_PTR *PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void * data); -typedef void (GLAD_API_PTR *PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void * data); -typedef void (GLAD_API_PTR *PFNGLCOPYBUFFERSUBDATAPROC)(GLenum readTarget, GLenum writeTarget, GLintptr readOffset, GLintptr writeOffset, GLsizeiptr size); -typedef void (GLAD_API_PTR *PFNGLCOPYTEXIMAGE1DPROC)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border); -typedef void (GLAD_API_PTR *PFNGLCOPYTEXIMAGE2DPROC)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border); -typedef void (GLAD_API_PTR *PFNGLCOPYTEXSUBIMAGE1DPROC)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width); -typedef void (GLAD_API_PTR *PFNGLCOPYTEXSUBIMAGE2DPROC)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height); -typedef void (GLAD_API_PTR *PFNGLCOPYTEXSUBIMAGE3DPROC)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height); -typedef GLuint (GLAD_API_PTR *PFNGLCREATEPROGRAMPROC)(void); -typedef GLuint (GLAD_API_PTR *PFNGLCREATESHADERPROC)(GLenum type); -typedef void (GLAD_API_PTR *PFNGLCULLFACEPROC)(GLenum mode); -typedef void (GLAD_API_PTR *PFNGLDELETEBUFFERSPROC)(GLsizei n, const GLuint * buffers); -typedef void (GLAD_API_PTR *PFNGLDELETEFRAMEBUFFERSPROC)(GLsizei n, const GLuint * framebuffers); -typedef void (GLAD_API_PTR *PFNGLDELETEPROGRAMPROC)(GLuint program); -typedef void (GLAD_API_PTR *PFNGLDELETEQUERIESPROC)(GLsizei n, const GLuint * ids); -typedef void (GLAD_API_PTR *PFNGLDELETERENDERBUFFERSPROC)(GLsizei n, const GLuint * renderbuffers); -typedef void (GLAD_API_PTR *PFNGLDELETESAMPLERSPROC)(GLsizei count, const GLuint * samplers); -typedef void (GLAD_API_PTR *PFNGLDELETESHADERPROC)(GLuint shader); -typedef void (GLAD_API_PTR *PFNGLDELETESYNCPROC)(GLsync sync); -typedef void (GLAD_API_PTR *PFNGLDELETETEXTURESPROC)(GLsizei n, const GLuint * textures); -typedef void (GLAD_API_PTR *PFNGLDELETEVERTEXARRAYSPROC)(GLsizei n, const GLuint * arrays); -typedef void (GLAD_API_PTR *PFNGLDEPTHFUNCPROC)(GLenum func); -typedef void (GLAD_API_PTR *PFNGLDEPTHMASKPROC)(GLboolean flag); -typedef void (GLAD_API_PTR *PFNGLDEPTHRANGEPROC)(GLdouble n, GLdouble f); -typedef void (GLAD_API_PTR *PFNGLDETACHSHADERPROC)(GLuint program, GLuint shader); -typedef void (GLAD_API_PTR *PFNGLDISABLEPROC)(GLenum cap); -typedef void (GLAD_API_PTR *PFNGLDISABLEVERTEXATTRIBARRAYPROC)(GLuint index); -typedef void (GLAD_API_PTR *PFNGLDISABLEIPROC)(GLenum target, GLuint index); -typedef void (GLAD_API_PTR *PFNGLDRAWARRAYSPROC)(GLenum mode, GLint first, GLsizei count); -typedef void (GLAD_API_PTR *PFNGLDRAWARRAYSINSTANCEDPROC)(GLenum mode, GLint first, GLsizei count, GLsizei instancecount); -typedef void (GLAD_API_PTR *PFNGLDRAWBUFFERPROC)(GLenum buf); -typedef void (GLAD_API_PTR *PFNGLDRAWBUFFERSPROC)(GLsizei n, const GLenum * bufs); -typedef void (GLAD_API_PTR *PFNGLDRAWELEMENTSPROC)(GLenum mode, GLsizei count, GLenum type, const void * indices); -typedef void (GLAD_API_PTR *PFNGLDRAWELEMENTSBASEVERTEXPROC)(GLenum mode, GLsizei count, GLenum type, const void * indices, GLint basevertex); -typedef void (GLAD_API_PTR *PFNGLDRAWELEMENTSINSTANCEDPROC)(GLenum mode, GLsizei count, GLenum type, const void * indices, GLsizei instancecount); -typedef void (GLAD_API_PTR *PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC)(GLenum mode, GLsizei count, GLenum type, const void * indices, GLsizei instancecount, GLint basevertex); -typedef void (GLAD_API_PTR *PFNGLDRAWRANGEELEMENTSPROC)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const void * indices); -typedef void (GLAD_API_PTR *PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const void * indices, GLint basevertex); -typedef void (GLAD_API_PTR *PFNGLENABLEPROC)(GLenum cap); -typedef void (GLAD_API_PTR *PFNGLENABLEVERTEXATTRIBARRAYPROC)(GLuint index); -typedef void (GLAD_API_PTR *PFNGLENABLEIPROC)(GLenum target, GLuint index); -typedef void (GLAD_API_PTR *PFNGLENDCONDITIONALRENDERPROC)(void); -typedef void (GLAD_API_PTR *PFNGLENDQUERYPROC)(GLenum target); -typedef void (GLAD_API_PTR *PFNGLENDTRANSFORMFEEDBACKPROC)(void); -typedef GLsync (GLAD_API_PTR *PFNGLFENCESYNCPROC)(GLenum condition, GLbitfield flags); -typedef void (GLAD_API_PTR *PFNGLFINISHPROC)(void); -typedef void (GLAD_API_PTR *PFNGLFLUSHPROC)(void); -typedef void (GLAD_API_PTR *PFNGLFLUSHMAPPEDBUFFERRANGEPROC)(GLenum target, GLintptr offset, GLsizeiptr length); -typedef void (GLAD_API_PTR *PFNGLFRAMEBUFFERRENDERBUFFERPROC)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer); -typedef void (GLAD_API_PTR *PFNGLFRAMEBUFFERTEXTUREPROC)(GLenum target, GLenum attachment, GLuint texture, GLint level); -typedef void (GLAD_API_PTR *PFNGLFRAMEBUFFERTEXTURE1DPROC)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); -typedef void (GLAD_API_PTR *PFNGLFRAMEBUFFERTEXTURE2DPROC)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); -typedef void (GLAD_API_PTR *PFNGLFRAMEBUFFERTEXTURE3DPROC)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset); -typedef void (GLAD_API_PTR *PFNGLFRAMEBUFFERTEXTURELAYERPROC)(GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer); -typedef void (GLAD_API_PTR *PFNGLFRONTFACEPROC)(GLenum mode); -typedef void (GLAD_API_PTR *PFNGLGENBUFFERSPROC)(GLsizei n, GLuint * buffers); -typedef void (GLAD_API_PTR *PFNGLGENFRAMEBUFFERSPROC)(GLsizei n, GLuint * framebuffers); -typedef void (GLAD_API_PTR *PFNGLGENQUERIESPROC)(GLsizei n, GLuint * ids); -typedef void (GLAD_API_PTR *PFNGLGENRENDERBUFFERSPROC)(GLsizei n, GLuint * renderbuffers); -typedef void (GLAD_API_PTR *PFNGLGENSAMPLERSPROC)(GLsizei count, GLuint * samplers); -typedef void (GLAD_API_PTR *PFNGLGENTEXTURESPROC)(GLsizei n, GLuint * textures); -typedef void (GLAD_API_PTR *PFNGLGENVERTEXARRAYSPROC)(GLsizei n, GLuint * arrays); -typedef void (GLAD_API_PTR *PFNGLGENERATEMIPMAPPROC)(GLenum target); -typedef void (GLAD_API_PTR *PFNGLGETACTIVEATTRIBPROC)(GLuint program, GLuint index, GLsizei bufSize, GLsizei * length, GLint * size, GLenum * type, GLchar * name); -typedef void (GLAD_API_PTR *PFNGLGETACTIVEUNIFORMPROC)(GLuint program, GLuint index, GLsizei bufSize, GLsizei * length, GLint * size, GLenum * type, GLchar * name); -typedef void (GLAD_API_PTR *PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC)(GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei * length, GLchar * uniformBlockName); -typedef void (GLAD_API_PTR *PFNGLGETACTIVEUNIFORMBLOCKIVPROC)(GLuint program, GLuint uniformBlockIndex, GLenum pname, GLint * params); -typedef void (GLAD_API_PTR *PFNGLGETACTIVEUNIFORMNAMEPROC)(GLuint program, GLuint uniformIndex, GLsizei bufSize, GLsizei * length, GLchar * uniformName); -typedef void (GLAD_API_PTR *PFNGLGETACTIVEUNIFORMSIVPROC)(GLuint program, GLsizei uniformCount, const GLuint * uniformIndices, GLenum pname, GLint * params); -typedef void (GLAD_API_PTR *PFNGLGETATTACHEDSHADERSPROC)(GLuint program, GLsizei maxCount, GLsizei * count, GLuint * shaders); -typedef GLint (GLAD_API_PTR *PFNGLGETATTRIBLOCATIONPROC)(GLuint program, const GLchar * name); -typedef void (GLAD_API_PTR *PFNGLGETBOOLEANI_VPROC)(GLenum target, GLuint index, GLboolean * data); -typedef void (GLAD_API_PTR *PFNGLGETBOOLEANVPROC)(GLenum pname, GLboolean * data); -typedef void (GLAD_API_PTR *PFNGLGETBUFFERPARAMETERI64VPROC)(GLenum target, GLenum pname, GLint64 * params); -typedef void (GLAD_API_PTR *PFNGLGETBUFFERPARAMETERIVPROC)(GLenum target, GLenum pname, GLint * params); -typedef void (GLAD_API_PTR *PFNGLGETBUFFERPOINTERVPROC)(GLenum target, GLenum pname, void ** params); -typedef void (GLAD_API_PTR *PFNGLGETBUFFERSUBDATAPROC)(GLenum target, GLintptr offset, GLsizeiptr size, void * data); -typedef void (GLAD_API_PTR *PFNGLGETCOMPRESSEDTEXIMAGEPROC)(GLenum target, GLint level, void * img); -typedef void (GLAD_API_PTR *PFNGLGETDOUBLEVPROC)(GLenum pname, GLdouble * data); -typedef GLenum (GLAD_API_PTR *PFNGLGETERRORPROC)(void); -typedef void (GLAD_API_PTR *PFNGLGETFLOATVPROC)(GLenum pname, GLfloat * data); -typedef GLint (GLAD_API_PTR *PFNGLGETFRAGDATAINDEXPROC)(GLuint program, const GLchar * name); -typedef GLint (GLAD_API_PTR *PFNGLGETFRAGDATALOCATIONPROC)(GLuint program, const GLchar * name); -typedef void (GLAD_API_PTR *PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC)(GLenum target, GLenum attachment, GLenum pname, GLint * params); -typedef void (GLAD_API_PTR *PFNGLGETINTEGER64I_VPROC)(GLenum target, GLuint index, GLint64 * data); -typedef void (GLAD_API_PTR *PFNGLGETINTEGER64VPROC)(GLenum pname, GLint64 * data); -typedef void (GLAD_API_PTR *PFNGLGETINTEGERI_VPROC)(GLenum target, GLuint index, GLint * data); -typedef void (GLAD_API_PTR *PFNGLGETINTEGERVPROC)(GLenum pname, GLint * data); -typedef void (GLAD_API_PTR *PFNGLGETMULTISAMPLEFVPROC)(GLenum pname, GLuint index, GLfloat * val); -typedef void (GLAD_API_PTR *PFNGLGETPROGRAMINFOLOGPROC)(GLuint program, GLsizei bufSize, GLsizei * length, GLchar * infoLog); -typedef void (GLAD_API_PTR *PFNGLGETPROGRAMIVPROC)(GLuint program, GLenum pname, GLint * params); -typedef void (GLAD_API_PTR *PFNGLGETQUERYOBJECTI64VPROC)(GLuint id, GLenum pname, GLint64 * params); -typedef void (GLAD_API_PTR *PFNGLGETQUERYOBJECTIVPROC)(GLuint id, GLenum pname, GLint * params); -typedef void (GLAD_API_PTR *PFNGLGETQUERYOBJECTUI64VPROC)(GLuint id, GLenum pname, GLuint64 * params); -typedef void (GLAD_API_PTR *PFNGLGETQUERYOBJECTUIVPROC)(GLuint id, GLenum pname, GLuint * params); -typedef void (GLAD_API_PTR *PFNGLGETQUERYIVPROC)(GLenum target, GLenum pname, GLint * params); -typedef void (GLAD_API_PTR *PFNGLGETRENDERBUFFERPARAMETERIVPROC)(GLenum target, GLenum pname, GLint * params); -typedef void (GLAD_API_PTR *PFNGLGETSAMPLERPARAMETERIIVPROC)(GLuint sampler, GLenum pname, GLint * params); -typedef void (GLAD_API_PTR *PFNGLGETSAMPLERPARAMETERIUIVPROC)(GLuint sampler, GLenum pname, GLuint * params); -typedef void (GLAD_API_PTR *PFNGLGETSAMPLERPARAMETERFVPROC)(GLuint sampler, GLenum pname, GLfloat * params); -typedef void (GLAD_API_PTR *PFNGLGETSAMPLERPARAMETERIVPROC)(GLuint sampler, GLenum pname, GLint * params); -typedef void (GLAD_API_PTR *PFNGLGETSHADERINFOLOGPROC)(GLuint shader, GLsizei bufSize, GLsizei * length, GLchar * infoLog); -typedef void (GLAD_API_PTR *PFNGLGETSHADERSOURCEPROC)(GLuint shader, GLsizei bufSize, GLsizei * length, GLchar * source); -typedef void (GLAD_API_PTR *PFNGLGETSHADERIVPROC)(GLuint shader, GLenum pname, GLint * params); -typedef const GLubyte * (GLAD_API_PTR *PFNGLGETSTRINGPROC)(GLenum name); -typedef const GLubyte * (GLAD_API_PTR *PFNGLGETSTRINGIPROC)(GLenum name, GLuint index); -typedef void (GLAD_API_PTR *PFNGLGETSYNCIVPROC)(GLsync sync, GLenum pname, GLsizei count, GLsizei * length, GLint * values); -typedef void (GLAD_API_PTR *PFNGLGETTEXIMAGEPROC)(GLenum target, GLint level, GLenum format, GLenum type, void * pixels); -typedef void (GLAD_API_PTR *PFNGLGETTEXLEVELPARAMETERFVPROC)(GLenum target, GLint level, GLenum pname, GLfloat * params); -typedef void (GLAD_API_PTR *PFNGLGETTEXLEVELPARAMETERIVPROC)(GLenum target, GLint level, GLenum pname, GLint * params); -typedef void (GLAD_API_PTR *PFNGLGETTEXPARAMETERIIVPROC)(GLenum target, GLenum pname, GLint * params); -typedef void (GLAD_API_PTR *PFNGLGETTEXPARAMETERIUIVPROC)(GLenum target, GLenum pname, GLuint * params); -typedef void (GLAD_API_PTR *PFNGLGETTEXPARAMETERFVPROC)(GLenum target, GLenum pname, GLfloat * params); -typedef void (GLAD_API_PTR *PFNGLGETTEXPARAMETERIVPROC)(GLenum target, GLenum pname, GLint * params); -typedef void (GLAD_API_PTR *PFNGLGETTRANSFORMFEEDBACKVARYINGPROC)(GLuint program, GLuint index, GLsizei bufSize, GLsizei * length, GLsizei * size, GLenum * type, GLchar * name); -typedef GLuint (GLAD_API_PTR *PFNGLGETUNIFORMBLOCKINDEXPROC)(GLuint program, const GLchar * uniformBlockName); -typedef void (GLAD_API_PTR *PFNGLGETUNIFORMINDICESPROC)(GLuint program, GLsizei uniformCount, const GLchar *const* uniformNames, GLuint * uniformIndices); -typedef GLint (GLAD_API_PTR *PFNGLGETUNIFORMLOCATIONPROC)(GLuint program, const GLchar * name); -typedef void (GLAD_API_PTR *PFNGLGETUNIFORMFVPROC)(GLuint program, GLint location, GLfloat * params); -typedef void (GLAD_API_PTR *PFNGLGETUNIFORMIVPROC)(GLuint program, GLint location, GLint * params); -typedef void (GLAD_API_PTR *PFNGLGETUNIFORMUIVPROC)(GLuint program, GLint location, GLuint * params); -typedef void (GLAD_API_PTR *PFNGLGETVERTEXATTRIBIIVPROC)(GLuint index, GLenum pname, GLint * params); -typedef void (GLAD_API_PTR *PFNGLGETVERTEXATTRIBIUIVPROC)(GLuint index, GLenum pname, GLuint * params); -typedef void (GLAD_API_PTR *PFNGLGETVERTEXATTRIBPOINTERVPROC)(GLuint index, GLenum pname, void ** pointer); -typedef void (GLAD_API_PTR *PFNGLGETVERTEXATTRIBDVPROC)(GLuint index, GLenum pname, GLdouble * params); -typedef void (GLAD_API_PTR *PFNGLGETVERTEXATTRIBFVPROC)(GLuint index, GLenum pname, GLfloat * params); -typedef void (GLAD_API_PTR *PFNGLGETVERTEXATTRIBIVPROC)(GLuint index, GLenum pname, GLint * params); -typedef void (GLAD_API_PTR *PFNGLHINTPROC)(GLenum target, GLenum mode); -typedef GLboolean (GLAD_API_PTR *PFNGLISBUFFERPROC)(GLuint buffer); -typedef GLboolean (GLAD_API_PTR *PFNGLISENABLEDPROC)(GLenum cap); -typedef GLboolean (GLAD_API_PTR *PFNGLISENABLEDIPROC)(GLenum target, GLuint index); -typedef GLboolean (GLAD_API_PTR *PFNGLISFRAMEBUFFERPROC)(GLuint framebuffer); -typedef GLboolean (GLAD_API_PTR *PFNGLISPROGRAMPROC)(GLuint program); -typedef GLboolean (GLAD_API_PTR *PFNGLISQUERYPROC)(GLuint id); -typedef GLboolean (GLAD_API_PTR *PFNGLISRENDERBUFFERPROC)(GLuint renderbuffer); -typedef GLboolean (GLAD_API_PTR *PFNGLISSAMPLERPROC)(GLuint sampler); -typedef GLboolean (GLAD_API_PTR *PFNGLISSHADERPROC)(GLuint shader); -typedef GLboolean (GLAD_API_PTR *PFNGLISSYNCPROC)(GLsync sync); -typedef GLboolean (GLAD_API_PTR *PFNGLISTEXTUREPROC)(GLuint texture); -typedef GLboolean (GLAD_API_PTR *PFNGLISVERTEXARRAYPROC)(GLuint array); -typedef void (GLAD_API_PTR *PFNGLLINEWIDTHPROC)(GLfloat width); -typedef void (GLAD_API_PTR *PFNGLLINKPROGRAMPROC)(GLuint program); -typedef void (GLAD_API_PTR *PFNGLLOGICOPPROC)(GLenum opcode); -typedef void * (GLAD_API_PTR *PFNGLMAPBUFFERPROC)(GLenum target, GLenum access); -typedef void * (GLAD_API_PTR *PFNGLMAPBUFFERRANGEPROC)(GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access); -typedef void (GLAD_API_PTR *PFNGLMULTIDRAWARRAYSPROC)(GLenum mode, const GLint * first, const GLsizei * count, GLsizei drawcount); -typedef void (GLAD_API_PTR *PFNGLMULTIDRAWELEMENTSPROC)(GLenum mode, const GLsizei * count, GLenum type, const void *const* indices, GLsizei drawcount); -typedef void (GLAD_API_PTR *PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC)(GLenum mode, const GLsizei * count, GLenum type, const void *const* indices, GLsizei drawcount, const GLint * basevertex); -typedef void (GLAD_API_PTR *PFNGLPIXELSTOREFPROC)(GLenum pname, GLfloat param); -typedef void (GLAD_API_PTR *PFNGLPIXELSTOREIPROC)(GLenum pname, GLint param); -typedef void (GLAD_API_PTR *PFNGLPOINTPARAMETERFPROC)(GLenum pname, GLfloat param); -typedef void (GLAD_API_PTR *PFNGLPOINTPARAMETERFVPROC)(GLenum pname, const GLfloat * params); -typedef void (GLAD_API_PTR *PFNGLPOINTPARAMETERIPROC)(GLenum pname, GLint param); -typedef void (GLAD_API_PTR *PFNGLPOINTPARAMETERIVPROC)(GLenum pname, const GLint * params); -typedef void (GLAD_API_PTR *PFNGLPOINTSIZEPROC)(GLfloat size); -typedef void (GLAD_API_PTR *PFNGLPOLYGONMODEPROC)(GLenum face, GLenum mode); -typedef void (GLAD_API_PTR *PFNGLPOLYGONOFFSETPROC)(GLfloat factor, GLfloat units); -typedef void (GLAD_API_PTR *PFNGLPRIMITIVERESTARTINDEXPROC)(GLuint index); -typedef void (GLAD_API_PTR *PFNGLPROVOKINGVERTEXPROC)(GLenum mode); -typedef void (GLAD_API_PTR *PFNGLQUERYCOUNTERPROC)(GLuint id, GLenum target); -typedef void (GLAD_API_PTR *PFNGLREADBUFFERPROC)(GLenum src); -typedef void (GLAD_API_PTR *PFNGLREADPIXELSPROC)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void * pixels); -typedef void (GLAD_API_PTR *PFNGLRENDERBUFFERSTORAGEPROC)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height); -typedef void (GLAD_API_PTR *PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height); -typedef void (GLAD_API_PTR *PFNGLSAMPLECOVERAGEPROC)(GLfloat value, GLboolean invert); -typedef void (GLAD_API_PTR *PFNGLSAMPLEMASKIPROC)(GLuint maskNumber, GLbitfield mask); -typedef void (GLAD_API_PTR *PFNGLSAMPLERPARAMETERIIVPROC)(GLuint sampler, GLenum pname, const GLint * param); -typedef void (GLAD_API_PTR *PFNGLSAMPLERPARAMETERIUIVPROC)(GLuint sampler, GLenum pname, const GLuint * param); -typedef void (GLAD_API_PTR *PFNGLSAMPLERPARAMETERFPROC)(GLuint sampler, GLenum pname, GLfloat param); -typedef void (GLAD_API_PTR *PFNGLSAMPLERPARAMETERFVPROC)(GLuint sampler, GLenum pname, const GLfloat * param); -typedef void (GLAD_API_PTR *PFNGLSAMPLERPARAMETERIPROC)(GLuint sampler, GLenum pname, GLint param); -typedef void (GLAD_API_PTR *PFNGLSAMPLERPARAMETERIVPROC)(GLuint sampler, GLenum pname, const GLint * param); -typedef void (GLAD_API_PTR *PFNGLSCISSORPROC)(GLint x, GLint y, GLsizei width, GLsizei height); -typedef void (GLAD_API_PTR *PFNGLSHADERSOURCEPROC)(GLuint shader, GLsizei count, const GLchar *const* string, const GLint * length); -typedef void (GLAD_API_PTR *PFNGLSTENCILFUNCPROC)(GLenum func, GLint ref, GLuint mask); -typedef void (GLAD_API_PTR *PFNGLSTENCILFUNCSEPARATEPROC)(GLenum face, GLenum func, GLint ref, GLuint mask); -typedef void (GLAD_API_PTR *PFNGLSTENCILMASKPROC)(GLuint mask); -typedef void (GLAD_API_PTR *PFNGLSTENCILMASKSEPARATEPROC)(GLenum face, GLuint mask); -typedef void (GLAD_API_PTR *PFNGLSTENCILOPPROC)(GLenum fail, GLenum zfail, GLenum zpass); -typedef void (GLAD_API_PTR *PFNGLSTENCILOPSEPARATEPROC)(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass); -typedef void (GLAD_API_PTR *PFNGLTEXBUFFERPROC)(GLenum target, GLenum internalformat, GLuint buffer); -typedef void (GLAD_API_PTR *PFNGLTEXIMAGE1DPROC)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLint border, GLenum format, GLenum type, const void * pixels); -typedef void (GLAD_API_PTR *PFNGLTEXIMAGE2DPROC)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void * pixels); -typedef void (GLAD_API_PTR *PFNGLTEXIMAGE2DMULTISAMPLEPROC)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations); -typedef void (GLAD_API_PTR *PFNGLTEXIMAGE3DPROC)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const void * pixels); -typedef void (GLAD_API_PTR *PFNGLTEXIMAGE3DMULTISAMPLEPROC)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedsamplelocations); -typedef void (GLAD_API_PTR *PFNGLTEXPARAMETERIIVPROC)(GLenum target, GLenum pname, const GLint * params); -typedef void (GLAD_API_PTR *PFNGLTEXPARAMETERIUIVPROC)(GLenum target, GLenum pname, const GLuint * params); -typedef void (GLAD_API_PTR *PFNGLTEXPARAMETERFPROC)(GLenum target, GLenum pname, GLfloat param); -typedef void (GLAD_API_PTR *PFNGLTEXPARAMETERFVPROC)(GLenum target, GLenum pname, const GLfloat * params); -typedef void (GLAD_API_PTR *PFNGLTEXPARAMETERIPROC)(GLenum target, GLenum pname, GLint param); -typedef void (GLAD_API_PTR *PFNGLTEXPARAMETERIVPROC)(GLenum target, GLenum pname, const GLint * params); -typedef void (GLAD_API_PTR *PFNGLTEXSUBIMAGE1DPROC)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const void * pixels); -typedef void (GLAD_API_PTR *PFNGLTEXSUBIMAGE2DPROC)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void * pixels); -typedef void (GLAD_API_PTR *PFNGLTEXSUBIMAGE3DPROC)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void * pixels); -typedef void (GLAD_API_PTR *PFNGLTRANSFORMFEEDBACKVARYINGSPROC)(GLuint program, GLsizei count, const GLchar *const* varyings, GLenum bufferMode); -typedef void (GLAD_API_PTR *PFNGLUNIFORM1FPROC)(GLint location, GLfloat v0); -typedef void (GLAD_API_PTR *PFNGLUNIFORM1FVPROC)(GLint location, GLsizei count, const GLfloat * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORM1IPROC)(GLint location, GLint v0); -typedef void (GLAD_API_PTR *PFNGLUNIFORM1IVPROC)(GLint location, GLsizei count, const GLint * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORM1UIPROC)(GLint location, GLuint v0); -typedef void (GLAD_API_PTR *PFNGLUNIFORM1UIVPROC)(GLint location, GLsizei count, const GLuint * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORM2FPROC)(GLint location, GLfloat v0, GLfloat v1); -typedef void (GLAD_API_PTR *PFNGLUNIFORM2FVPROC)(GLint location, GLsizei count, const GLfloat * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORM2IPROC)(GLint location, GLint v0, GLint v1); -typedef void (GLAD_API_PTR *PFNGLUNIFORM2IVPROC)(GLint location, GLsizei count, const GLint * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORM2UIPROC)(GLint location, GLuint v0, GLuint v1); -typedef void (GLAD_API_PTR *PFNGLUNIFORM2UIVPROC)(GLint location, GLsizei count, const GLuint * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORM3FPROC)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2); -typedef void (GLAD_API_PTR *PFNGLUNIFORM3FVPROC)(GLint location, GLsizei count, const GLfloat * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORM3IPROC)(GLint location, GLint v0, GLint v1, GLint v2); -typedef void (GLAD_API_PTR *PFNGLUNIFORM3IVPROC)(GLint location, GLsizei count, const GLint * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORM3UIPROC)(GLint location, GLuint v0, GLuint v1, GLuint v2); -typedef void (GLAD_API_PTR *PFNGLUNIFORM3UIVPROC)(GLint location, GLsizei count, const GLuint * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORM4FPROC)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3); -typedef void (GLAD_API_PTR *PFNGLUNIFORM4FVPROC)(GLint location, GLsizei count, const GLfloat * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORM4IPROC)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3); -typedef void (GLAD_API_PTR *PFNGLUNIFORM4IVPROC)(GLint location, GLsizei count, const GLint * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORM4UIPROC)(GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3); -typedef void (GLAD_API_PTR *PFNGLUNIFORM4UIVPROC)(GLint location, GLsizei count, const GLuint * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORMBLOCKBINDINGPROC)(GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding); -typedef void (GLAD_API_PTR *PFNGLUNIFORMMATRIX2FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORMMATRIX2X3FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORMMATRIX2X4FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORMMATRIX3FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORMMATRIX3X2FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORMMATRIX3X4FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORMMATRIX4FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORMMATRIX4X2FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat * value); -typedef void (GLAD_API_PTR *PFNGLUNIFORMMATRIX4X3FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat * value); -typedef GLboolean (GLAD_API_PTR *PFNGLUNMAPBUFFERPROC)(GLenum target); -typedef void (GLAD_API_PTR *PFNGLUSEPROGRAMPROC)(GLuint program); -typedef void (GLAD_API_PTR *PFNGLVALIDATEPROGRAMPROC)(GLuint program); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB1DPROC)(GLuint index, GLdouble x); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB1DVPROC)(GLuint index, const GLdouble * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB1FPROC)(GLuint index, GLfloat x); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB1FVPROC)(GLuint index, const GLfloat * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB1SPROC)(GLuint index, GLshort x); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB1SVPROC)(GLuint index, const GLshort * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB2DPROC)(GLuint index, GLdouble x, GLdouble y); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB2DVPROC)(GLuint index, const GLdouble * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB2FPROC)(GLuint index, GLfloat x, GLfloat y); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB2FVPROC)(GLuint index, const GLfloat * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB2SPROC)(GLuint index, GLshort x, GLshort y); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB2SVPROC)(GLuint index, const GLshort * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB3DPROC)(GLuint index, GLdouble x, GLdouble y, GLdouble z); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB3DVPROC)(GLuint index, const GLdouble * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB3FPROC)(GLuint index, GLfloat x, GLfloat y, GLfloat z); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB3FVPROC)(GLuint index, const GLfloat * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB3SPROC)(GLuint index, GLshort x, GLshort y, GLshort z); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB3SVPROC)(GLuint index, const GLshort * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4NBVPROC)(GLuint index, const GLbyte * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4NIVPROC)(GLuint index, const GLint * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4NSVPROC)(GLuint index, const GLshort * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4NUBPROC)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4NUBVPROC)(GLuint index, const GLubyte * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4NUIVPROC)(GLuint index, const GLuint * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4NUSVPROC)(GLuint index, const GLushort * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4BVPROC)(GLuint index, const GLbyte * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4DPROC)(GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4DVPROC)(GLuint index, const GLdouble * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4FPROC)(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4FVPROC)(GLuint index, const GLfloat * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4IVPROC)(GLuint index, const GLint * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4SPROC)(GLuint index, GLshort x, GLshort y, GLshort z, GLshort w); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4SVPROC)(GLuint index, const GLshort * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4UBVPROC)(GLuint index, const GLubyte * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4UIVPROC)(GLuint index, const GLuint * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIB4USVPROC)(GLuint index, const GLushort * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBDIVISORPROC)(GLuint index, GLuint divisor); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI1IPROC)(GLuint index, GLint x); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI1IVPROC)(GLuint index, const GLint * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI1UIPROC)(GLuint index, GLuint x); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI1UIVPROC)(GLuint index, const GLuint * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI2IPROC)(GLuint index, GLint x, GLint y); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI2IVPROC)(GLuint index, const GLint * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI2UIPROC)(GLuint index, GLuint x, GLuint y); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI2UIVPROC)(GLuint index, const GLuint * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI3IPROC)(GLuint index, GLint x, GLint y, GLint z); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI3IVPROC)(GLuint index, const GLint * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI3UIPROC)(GLuint index, GLuint x, GLuint y, GLuint z); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI3UIVPROC)(GLuint index, const GLuint * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI4BVPROC)(GLuint index, const GLbyte * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI4IPROC)(GLuint index, GLint x, GLint y, GLint z, GLint w); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI4IVPROC)(GLuint index, const GLint * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI4SVPROC)(GLuint index, const GLshort * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI4UBVPROC)(GLuint index, const GLubyte * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI4UIPROC)(GLuint index, GLuint x, GLuint y, GLuint z, GLuint w); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI4UIVPROC)(GLuint index, const GLuint * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBI4USVPROC)(GLuint index, const GLushort * v); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBIPOINTERPROC)(GLuint index, GLint size, GLenum type, GLsizei stride, const void * pointer); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBP1UIPROC)(GLuint index, GLenum type, GLboolean normalized, GLuint value); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBP1UIVPROC)(GLuint index, GLenum type, GLboolean normalized, const GLuint * value); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBP2UIPROC)(GLuint index, GLenum type, GLboolean normalized, GLuint value); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBP2UIVPROC)(GLuint index, GLenum type, GLboolean normalized, const GLuint * value); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBP3UIPROC)(GLuint index, GLenum type, GLboolean normalized, GLuint value); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBP3UIVPROC)(GLuint index, GLenum type, GLboolean normalized, const GLuint * value); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBP4UIPROC)(GLuint index, GLenum type, GLboolean normalized, GLuint value); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBP4UIVPROC)(GLuint index, GLenum type, GLboolean normalized, const GLuint * value); -typedef void (GLAD_API_PTR *PFNGLVERTEXATTRIBPOINTERPROC)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void * pointer); -typedef void (GLAD_API_PTR *PFNGLVIEWPORTPROC)(GLint x, GLint y, GLsizei width, GLsizei height); -typedef void (GLAD_API_PTR *PFNGLWAITSYNCPROC)(GLsync sync, GLbitfield flags, GLuint64 timeout); - -GLAD_API_CALL PFNGLACTIVETEXTUREPROC glad_glActiveTexture; -#define glActiveTexture glad_glActiveTexture -GLAD_API_CALL PFNGLATTACHSHADERPROC glad_glAttachShader; -#define glAttachShader glad_glAttachShader -GLAD_API_CALL PFNGLBEGINCONDITIONALRENDERPROC glad_glBeginConditionalRender; -#define glBeginConditionalRender glad_glBeginConditionalRender -GLAD_API_CALL PFNGLBEGINQUERYPROC glad_glBeginQuery; -#define glBeginQuery glad_glBeginQuery -GLAD_API_CALL PFNGLBEGINTRANSFORMFEEDBACKPROC glad_glBeginTransformFeedback; -#define glBeginTransformFeedback glad_glBeginTransformFeedback -GLAD_API_CALL PFNGLBINDATTRIBLOCATIONPROC glad_glBindAttribLocation; -#define glBindAttribLocation glad_glBindAttribLocation -GLAD_API_CALL PFNGLBINDBUFFERPROC glad_glBindBuffer; -#define glBindBuffer glad_glBindBuffer -GLAD_API_CALL PFNGLBINDBUFFERBASEPROC glad_glBindBufferBase; -#define glBindBufferBase glad_glBindBufferBase -GLAD_API_CALL PFNGLBINDBUFFERRANGEPROC glad_glBindBufferRange; -#define glBindBufferRange glad_glBindBufferRange -GLAD_API_CALL PFNGLBINDFRAGDATALOCATIONPROC glad_glBindFragDataLocation; -#define glBindFragDataLocation glad_glBindFragDataLocation -GLAD_API_CALL PFNGLBINDFRAGDATALOCATIONINDEXEDPROC glad_glBindFragDataLocationIndexed; -#define glBindFragDataLocationIndexed glad_glBindFragDataLocationIndexed -GLAD_API_CALL PFNGLBINDFRAMEBUFFERPROC glad_glBindFramebuffer; -#define glBindFramebuffer glad_glBindFramebuffer -GLAD_API_CALL PFNGLBINDRENDERBUFFERPROC glad_glBindRenderbuffer; -#define glBindRenderbuffer glad_glBindRenderbuffer -GLAD_API_CALL PFNGLBINDSAMPLERPROC glad_glBindSampler; -#define glBindSampler glad_glBindSampler -GLAD_API_CALL PFNGLBINDTEXTUREPROC glad_glBindTexture; -#define glBindTexture glad_glBindTexture -GLAD_API_CALL PFNGLBINDVERTEXARRAYPROC glad_glBindVertexArray; -#define glBindVertexArray glad_glBindVertexArray -GLAD_API_CALL PFNGLBLENDCOLORPROC glad_glBlendColor; -#define glBlendColor glad_glBlendColor -GLAD_API_CALL PFNGLBLENDEQUATIONPROC glad_glBlendEquation; -#define glBlendEquation glad_glBlendEquation -GLAD_API_CALL PFNGLBLENDEQUATIONSEPARATEPROC glad_glBlendEquationSeparate; -#define glBlendEquationSeparate glad_glBlendEquationSeparate -GLAD_API_CALL PFNGLBLENDFUNCPROC glad_glBlendFunc; -#define glBlendFunc glad_glBlendFunc -GLAD_API_CALL PFNGLBLENDFUNCSEPARATEPROC glad_glBlendFuncSeparate; -#define glBlendFuncSeparate glad_glBlendFuncSeparate -GLAD_API_CALL PFNGLBLITFRAMEBUFFERPROC glad_glBlitFramebuffer; -#define glBlitFramebuffer glad_glBlitFramebuffer -GLAD_API_CALL PFNGLBUFFERDATAPROC glad_glBufferData; -#define glBufferData glad_glBufferData -GLAD_API_CALL PFNGLBUFFERSUBDATAPROC glad_glBufferSubData; -#define glBufferSubData glad_glBufferSubData -GLAD_API_CALL PFNGLCHECKFRAMEBUFFERSTATUSPROC glad_glCheckFramebufferStatus; -#define glCheckFramebufferStatus glad_glCheckFramebufferStatus -GLAD_API_CALL PFNGLCLAMPCOLORPROC glad_glClampColor; -#define glClampColor glad_glClampColor -GLAD_API_CALL PFNGLCLEARPROC glad_glClear; -#define glClear glad_glClear -GLAD_API_CALL PFNGLCLEARBUFFERFIPROC glad_glClearBufferfi; -#define glClearBufferfi glad_glClearBufferfi -GLAD_API_CALL PFNGLCLEARBUFFERFVPROC glad_glClearBufferfv; -#define glClearBufferfv glad_glClearBufferfv -GLAD_API_CALL PFNGLCLEARBUFFERIVPROC glad_glClearBufferiv; -#define glClearBufferiv glad_glClearBufferiv -GLAD_API_CALL PFNGLCLEARBUFFERUIVPROC glad_glClearBufferuiv; -#define glClearBufferuiv glad_glClearBufferuiv -GLAD_API_CALL PFNGLCLEARCOLORPROC glad_glClearColor; -#define glClearColor glad_glClearColor -GLAD_API_CALL PFNGLCLEARDEPTHPROC glad_glClearDepth; -#define glClearDepth glad_glClearDepth -GLAD_API_CALL PFNGLCLEARSTENCILPROC glad_glClearStencil; -#define glClearStencil glad_glClearStencil -GLAD_API_CALL PFNGLCLIENTWAITSYNCPROC glad_glClientWaitSync; -#define glClientWaitSync glad_glClientWaitSync -GLAD_API_CALL PFNGLCOLORMASKPROC glad_glColorMask; -#define glColorMask glad_glColorMask -GLAD_API_CALL PFNGLCOLORMASKIPROC glad_glColorMaski; -#define glColorMaski glad_glColorMaski -GLAD_API_CALL PFNGLCOMPILESHADERPROC glad_glCompileShader; -#define glCompileShader glad_glCompileShader -GLAD_API_CALL PFNGLCOMPRESSEDTEXIMAGE1DPROC glad_glCompressedTexImage1D; -#define glCompressedTexImage1D glad_glCompressedTexImage1D -GLAD_API_CALL PFNGLCOMPRESSEDTEXIMAGE2DPROC glad_glCompressedTexImage2D; -#define glCompressedTexImage2D glad_glCompressedTexImage2D -GLAD_API_CALL PFNGLCOMPRESSEDTEXIMAGE3DPROC glad_glCompressedTexImage3D; -#define glCompressedTexImage3D glad_glCompressedTexImage3D -GLAD_API_CALL PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC glad_glCompressedTexSubImage1D; -#define glCompressedTexSubImage1D glad_glCompressedTexSubImage1D -GLAD_API_CALL PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC glad_glCompressedTexSubImage2D; -#define glCompressedTexSubImage2D glad_glCompressedTexSubImage2D -GLAD_API_CALL PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC glad_glCompressedTexSubImage3D; -#define glCompressedTexSubImage3D glad_glCompressedTexSubImage3D -GLAD_API_CALL PFNGLCOPYBUFFERSUBDATAPROC glad_glCopyBufferSubData; -#define glCopyBufferSubData glad_glCopyBufferSubData -GLAD_API_CALL PFNGLCOPYTEXIMAGE1DPROC glad_glCopyTexImage1D; -#define glCopyTexImage1D glad_glCopyTexImage1D -GLAD_API_CALL PFNGLCOPYTEXIMAGE2DPROC glad_glCopyTexImage2D; -#define glCopyTexImage2D glad_glCopyTexImage2D -GLAD_API_CALL PFNGLCOPYTEXSUBIMAGE1DPROC glad_glCopyTexSubImage1D; -#define glCopyTexSubImage1D glad_glCopyTexSubImage1D -GLAD_API_CALL PFNGLCOPYTEXSUBIMAGE2DPROC glad_glCopyTexSubImage2D; -#define glCopyTexSubImage2D glad_glCopyTexSubImage2D -GLAD_API_CALL PFNGLCOPYTEXSUBIMAGE3DPROC glad_glCopyTexSubImage3D; -#define glCopyTexSubImage3D glad_glCopyTexSubImage3D -GLAD_API_CALL PFNGLCREATEPROGRAMPROC glad_glCreateProgram; -#define glCreateProgram glad_glCreateProgram -GLAD_API_CALL PFNGLCREATESHADERPROC glad_glCreateShader; -#define glCreateShader glad_glCreateShader -GLAD_API_CALL PFNGLCULLFACEPROC glad_glCullFace; -#define glCullFace glad_glCullFace -GLAD_API_CALL PFNGLDELETEBUFFERSPROC glad_glDeleteBuffers; -#define glDeleteBuffers glad_glDeleteBuffers -GLAD_API_CALL PFNGLDELETEFRAMEBUFFERSPROC glad_glDeleteFramebuffers; -#define glDeleteFramebuffers glad_glDeleteFramebuffers -GLAD_API_CALL PFNGLDELETEPROGRAMPROC glad_glDeleteProgram; -#define glDeleteProgram glad_glDeleteProgram -GLAD_API_CALL PFNGLDELETEQUERIESPROC glad_glDeleteQueries; -#define glDeleteQueries glad_glDeleteQueries -GLAD_API_CALL PFNGLDELETERENDERBUFFERSPROC glad_glDeleteRenderbuffers; -#define glDeleteRenderbuffers glad_glDeleteRenderbuffers -GLAD_API_CALL PFNGLDELETESAMPLERSPROC glad_glDeleteSamplers; -#define glDeleteSamplers glad_glDeleteSamplers -GLAD_API_CALL PFNGLDELETESHADERPROC glad_glDeleteShader; -#define glDeleteShader glad_glDeleteShader -GLAD_API_CALL PFNGLDELETESYNCPROC glad_glDeleteSync; -#define glDeleteSync glad_glDeleteSync -GLAD_API_CALL PFNGLDELETETEXTURESPROC glad_glDeleteTextures; -#define glDeleteTextures glad_glDeleteTextures -GLAD_API_CALL PFNGLDELETEVERTEXARRAYSPROC glad_glDeleteVertexArrays; -#define glDeleteVertexArrays glad_glDeleteVertexArrays -GLAD_API_CALL PFNGLDEPTHFUNCPROC glad_glDepthFunc; -#define glDepthFunc glad_glDepthFunc -GLAD_API_CALL PFNGLDEPTHMASKPROC glad_glDepthMask; -#define glDepthMask glad_glDepthMask -GLAD_API_CALL PFNGLDEPTHRANGEPROC glad_glDepthRange; -#define glDepthRange glad_glDepthRange -GLAD_API_CALL PFNGLDETACHSHADERPROC glad_glDetachShader; -#define glDetachShader glad_glDetachShader -GLAD_API_CALL PFNGLDISABLEPROC glad_glDisable; -#define glDisable glad_glDisable -GLAD_API_CALL PFNGLDISABLEVERTEXATTRIBARRAYPROC glad_glDisableVertexAttribArray; -#define glDisableVertexAttribArray glad_glDisableVertexAttribArray -GLAD_API_CALL PFNGLDISABLEIPROC glad_glDisablei; -#define glDisablei glad_glDisablei -GLAD_API_CALL PFNGLDRAWARRAYSPROC glad_glDrawArrays; -#define glDrawArrays glad_glDrawArrays -GLAD_API_CALL PFNGLDRAWARRAYSINSTANCEDPROC glad_glDrawArraysInstanced; -#define glDrawArraysInstanced glad_glDrawArraysInstanced -GLAD_API_CALL PFNGLDRAWBUFFERPROC glad_glDrawBuffer; -#define glDrawBuffer glad_glDrawBuffer -GLAD_API_CALL PFNGLDRAWBUFFERSPROC glad_glDrawBuffers; -#define glDrawBuffers glad_glDrawBuffers -GLAD_API_CALL PFNGLDRAWELEMENTSPROC glad_glDrawElements; -#define glDrawElements glad_glDrawElements -GLAD_API_CALL PFNGLDRAWELEMENTSBASEVERTEXPROC glad_glDrawElementsBaseVertex; -#define glDrawElementsBaseVertex glad_glDrawElementsBaseVertex -GLAD_API_CALL PFNGLDRAWELEMENTSINSTANCEDPROC glad_glDrawElementsInstanced; -#define glDrawElementsInstanced glad_glDrawElementsInstanced -GLAD_API_CALL PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC glad_glDrawElementsInstancedBaseVertex; -#define glDrawElementsInstancedBaseVertex glad_glDrawElementsInstancedBaseVertex -GLAD_API_CALL PFNGLDRAWRANGEELEMENTSPROC glad_glDrawRangeElements; -#define glDrawRangeElements glad_glDrawRangeElements -GLAD_API_CALL PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC glad_glDrawRangeElementsBaseVertex; -#define glDrawRangeElementsBaseVertex glad_glDrawRangeElementsBaseVertex -GLAD_API_CALL PFNGLENABLEPROC glad_glEnable; -#define glEnable glad_glEnable -GLAD_API_CALL PFNGLENABLEVERTEXATTRIBARRAYPROC glad_glEnableVertexAttribArray; -#define glEnableVertexAttribArray glad_glEnableVertexAttribArray -GLAD_API_CALL PFNGLENABLEIPROC glad_glEnablei; -#define glEnablei glad_glEnablei -GLAD_API_CALL PFNGLENDCONDITIONALRENDERPROC glad_glEndConditionalRender; -#define glEndConditionalRender glad_glEndConditionalRender -GLAD_API_CALL PFNGLENDQUERYPROC glad_glEndQuery; -#define glEndQuery glad_glEndQuery -GLAD_API_CALL PFNGLENDTRANSFORMFEEDBACKPROC glad_glEndTransformFeedback; -#define glEndTransformFeedback glad_glEndTransformFeedback -GLAD_API_CALL PFNGLFENCESYNCPROC glad_glFenceSync; -#define glFenceSync glad_glFenceSync -GLAD_API_CALL PFNGLFINISHPROC glad_glFinish; -#define glFinish glad_glFinish -GLAD_API_CALL PFNGLFLUSHPROC glad_glFlush; -#define glFlush glad_glFlush -GLAD_API_CALL PFNGLFLUSHMAPPEDBUFFERRANGEPROC glad_glFlushMappedBufferRange; -#define glFlushMappedBufferRange glad_glFlushMappedBufferRange -GLAD_API_CALL PFNGLFRAMEBUFFERRENDERBUFFERPROC glad_glFramebufferRenderbuffer; -#define glFramebufferRenderbuffer glad_glFramebufferRenderbuffer -GLAD_API_CALL PFNGLFRAMEBUFFERTEXTUREPROC glad_glFramebufferTexture; -#define glFramebufferTexture glad_glFramebufferTexture -GLAD_API_CALL PFNGLFRAMEBUFFERTEXTURE1DPROC glad_glFramebufferTexture1D; -#define glFramebufferTexture1D glad_glFramebufferTexture1D -GLAD_API_CALL PFNGLFRAMEBUFFERTEXTURE2DPROC glad_glFramebufferTexture2D; -#define glFramebufferTexture2D glad_glFramebufferTexture2D -GLAD_API_CALL PFNGLFRAMEBUFFERTEXTURE3DPROC glad_glFramebufferTexture3D; -#define glFramebufferTexture3D glad_glFramebufferTexture3D -GLAD_API_CALL PFNGLFRAMEBUFFERTEXTURELAYERPROC glad_glFramebufferTextureLayer; -#define glFramebufferTextureLayer glad_glFramebufferTextureLayer -GLAD_API_CALL PFNGLFRONTFACEPROC glad_glFrontFace; -#define glFrontFace glad_glFrontFace -GLAD_API_CALL PFNGLGENBUFFERSPROC glad_glGenBuffers; -#define glGenBuffers glad_glGenBuffers -GLAD_API_CALL PFNGLGENFRAMEBUFFERSPROC glad_glGenFramebuffers; -#define glGenFramebuffers glad_glGenFramebuffers -GLAD_API_CALL PFNGLGENQUERIESPROC glad_glGenQueries; -#define glGenQueries glad_glGenQueries -GLAD_API_CALL PFNGLGENRENDERBUFFERSPROC glad_glGenRenderbuffers; -#define glGenRenderbuffers glad_glGenRenderbuffers -GLAD_API_CALL PFNGLGENSAMPLERSPROC glad_glGenSamplers; -#define glGenSamplers glad_glGenSamplers -GLAD_API_CALL PFNGLGENTEXTURESPROC glad_glGenTextures; -#define glGenTextures glad_glGenTextures -GLAD_API_CALL PFNGLGENVERTEXARRAYSPROC glad_glGenVertexArrays; -#define glGenVertexArrays glad_glGenVertexArrays -GLAD_API_CALL PFNGLGENERATEMIPMAPPROC glad_glGenerateMipmap; -#define glGenerateMipmap glad_glGenerateMipmap -GLAD_API_CALL PFNGLGETACTIVEATTRIBPROC glad_glGetActiveAttrib; -#define glGetActiveAttrib glad_glGetActiveAttrib -GLAD_API_CALL PFNGLGETACTIVEUNIFORMPROC glad_glGetActiveUniform; -#define glGetActiveUniform glad_glGetActiveUniform -GLAD_API_CALL PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC glad_glGetActiveUniformBlockName; -#define glGetActiveUniformBlockName glad_glGetActiveUniformBlockName -GLAD_API_CALL PFNGLGETACTIVEUNIFORMBLOCKIVPROC glad_glGetActiveUniformBlockiv; -#define glGetActiveUniformBlockiv glad_glGetActiveUniformBlockiv -GLAD_API_CALL PFNGLGETACTIVEUNIFORMNAMEPROC glad_glGetActiveUniformName; -#define glGetActiveUniformName glad_glGetActiveUniformName -GLAD_API_CALL PFNGLGETACTIVEUNIFORMSIVPROC glad_glGetActiveUniformsiv; -#define glGetActiveUniformsiv glad_glGetActiveUniformsiv -GLAD_API_CALL PFNGLGETATTACHEDSHADERSPROC glad_glGetAttachedShaders; -#define glGetAttachedShaders glad_glGetAttachedShaders -GLAD_API_CALL PFNGLGETATTRIBLOCATIONPROC glad_glGetAttribLocation; -#define glGetAttribLocation glad_glGetAttribLocation -GLAD_API_CALL PFNGLGETBOOLEANI_VPROC glad_glGetBooleani_v; -#define glGetBooleani_v glad_glGetBooleani_v -GLAD_API_CALL PFNGLGETBOOLEANVPROC glad_glGetBooleanv; -#define glGetBooleanv glad_glGetBooleanv -GLAD_API_CALL PFNGLGETBUFFERPARAMETERI64VPROC glad_glGetBufferParameteri64v; -#define glGetBufferParameteri64v glad_glGetBufferParameteri64v -GLAD_API_CALL PFNGLGETBUFFERPARAMETERIVPROC glad_glGetBufferParameteriv; -#define glGetBufferParameteriv glad_glGetBufferParameteriv -GLAD_API_CALL PFNGLGETBUFFERPOINTERVPROC glad_glGetBufferPointerv; -#define glGetBufferPointerv glad_glGetBufferPointerv -GLAD_API_CALL PFNGLGETBUFFERSUBDATAPROC glad_glGetBufferSubData; -#define glGetBufferSubData glad_glGetBufferSubData -GLAD_API_CALL PFNGLGETCOMPRESSEDTEXIMAGEPROC glad_glGetCompressedTexImage; -#define glGetCompressedTexImage glad_glGetCompressedTexImage -GLAD_API_CALL PFNGLGETDOUBLEVPROC glad_glGetDoublev; -#define glGetDoublev glad_glGetDoublev -GLAD_API_CALL PFNGLGETERRORPROC glad_glGetError; -#define glGetError glad_glGetError -GLAD_API_CALL PFNGLGETFLOATVPROC glad_glGetFloatv; -#define glGetFloatv glad_glGetFloatv -GLAD_API_CALL PFNGLGETFRAGDATAINDEXPROC glad_glGetFragDataIndex; -#define glGetFragDataIndex glad_glGetFragDataIndex -GLAD_API_CALL PFNGLGETFRAGDATALOCATIONPROC glad_glGetFragDataLocation; -#define glGetFragDataLocation glad_glGetFragDataLocation -GLAD_API_CALL PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glad_glGetFramebufferAttachmentParameteriv; -#define glGetFramebufferAttachmentParameteriv glad_glGetFramebufferAttachmentParameteriv -GLAD_API_CALL PFNGLGETINTEGER64I_VPROC glad_glGetInteger64i_v; -#define glGetInteger64i_v glad_glGetInteger64i_v -GLAD_API_CALL PFNGLGETINTEGER64VPROC glad_glGetInteger64v; -#define glGetInteger64v glad_glGetInteger64v -GLAD_API_CALL PFNGLGETINTEGERI_VPROC glad_glGetIntegeri_v; -#define glGetIntegeri_v glad_glGetIntegeri_v -GLAD_API_CALL PFNGLGETINTEGERVPROC glad_glGetIntegerv; -#define glGetIntegerv glad_glGetIntegerv -GLAD_API_CALL PFNGLGETMULTISAMPLEFVPROC glad_glGetMultisamplefv; -#define glGetMultisamplefv glad_glGetMultisamplefv -GLAD_API_CALL PFNGLGETPROGRAMINFOLOGPROC glad_glGetProgramInfoLog; -#define glGetProgramInfoLog glad_glGetProgramInfoLog -GLAD_API_CALL PFNGLGETPROGRAMIVPROC glad_glGetProgramiv; -#define glGetProgramiv glad_glGetProgramiv -GLAD_API_CALL PFNGLGETQUERYOBJECTI64VPROC glad_glGetQueryObjecti64v; -#define glGetQueryObjecti64v glad_glGetQueryObjecti64v -GLAD_API_CALL PFNGLGETQUERYOBJECTIVPROC glad_glGetQueryObjectiv; -#define glGetQueryObjectiv glad_glGetQueryObjectiv -GLAD_API_CALL PFNGLGETQUERYOBJECTUI64VPROC glad_glGetQueryObjectui64v; -#define glGetQueryObjectui64v glad_glGetQueryObjectui64v -GLAD_API_CALL PFNGLGETQUERYOBJECTUIVPROC glad_glGetQueryObjectuiv; -#define glGetQueryObjectuiv glad_glGetQueryObjectuiv -GLAD_API_CALL PFNGLGETQUERYIVPROC glad_glGetQueryiv; -#define glGetQueryiv glad_glGetQueryiv -GLAD_API_CALL PFNGLGETRENDERBUFFERPARAMETERIVPROC glad_glGetRenderbufferParameteriv; -#define glGetRenderbufferParameteriv glad_glGetRenderbufferParameteriv -GLAD_API_CALL PFNGLGETSAMPLERPARAMETERIIVPROC glad_glGetSamplerParameterIiv; -#define glGetSamplerParameterIiv glad_glGetSamplerParameterIiv -GLAD_API_CALL PFNGLGETSAMPLERPARAMETERIUIVPROC glad_glGetSamplerParameterIuiv; -#define glGetSamplerParameterIuiv glad_glGetSamplerParameterIuiv -GLAD_API_CALL PFNGLGETSAMPLERPARAMETERFVPROC glad_glGetSamplerParameterfv; -#define glGetSamplerParameterfv glad_glGetSamplerParameterfv -GLAD_API_CALL PFNGLGETSAMPLERPARAMETERIVPROC glad_glGetSamplerParameteriv; -#define glGetSamplerParameteriv glad_glGetSamplerParameteriv -GLAD_API_CALL PFNGLGETSHADERINFOLOGPROC glad_glGetShaderInfoLog; -#define glGetShaderInfoLog glad_glGetShaderInfoLog -GLAD_API_CALL PFNGLGETSHADERSOURCEPROC glad_glGetShaderSource; -#define glGetShaderSource glad_glGetShaderSource -GLAD_API_CALL PFNGLGETSHADERIVPROC glad_glGetShaderiv; -#define glGetShaderiv glad_glGetShaderiv -GLAD_API_CALL PFNGLGETSTRINGPROC glad_glGetString; -#define glGetString glad_glGetString -GLAD_API_CALL PFNGLGETSTRINGIPROC glad_glGetStringi; -#define glGetStringi glad_glGetStringi -GLAD_API_CALL PFNGLGETSYNCIVPROC glad_glGetSynciv; -#define glGetSynciv glad_glGetSynciv -GLAD_API_CALL PFNGLGETTEXIMAGEPROC glad_glGetTexImage; -#define glGetTexImage glad_glGetTexImage -GLAD_API_CALL PFNGLGETTEXLEVELPARAMETERFVPROC glad_glGetTexLevelParameterfv; -#define glGetTexLevelParameterfv glad_glGetTexLevelParameterfv -GLAD_API_CALL PFNGLGETTEXLEVELPARAMETERIVPROC glad_glGetTexLevelParameteriv; -#define glGetTexLevelParameteriv glad_glGetTexLevelParameteriv -GLAD_API_CALL PFNGLGETTEXPARAMETERIIVPROC glad_glGetTexParameterIiv; -#define glGetTexParameterIiv glad_glGetTexParameterIiv -GLAD_API_CALL PFNGLGETTEXPARAMETERIUIVPROC glad_glGetTexParameterIuiv; -#define glGetTexParameterIuiv glad_glGetTexParameterIuiv -GLAD_API_CALL PFNGLGETTEXPARAMETERFVPROC glad_glGetTexParameterfv; -#define glGetTexParameterfv glad_glGetTexParameterfv -GLAD_API_CALL PFNGLGETTEXPARAMETERIVPROC glad_glGetTexParameteriv; -#define glGetTexParameteriv glad_glGetTexParameteriv -GLAD_API_CALL PFNGLGETTRANSFORMFEEDBACKVARYINGPROC glad_glGetTransformFeedbackVarying; -#define glGetTransformFeedbackVarying glad_glGetTransformFeedbackVarying -GLAD_API_CALL PFNGLGETUNIFORMBLOCKINDEXPROC glad_glGetUniformBlockIndex; -#define glGetUniformBlockIndex glad_glGetUniformBlockIndex -GLAD_API_CALL PFNGLGETUNIFORMINDICESPROC glad_glGetUniformIndices; -#define glGetUniformIndices glad_glGetUniformIndices -GLAD_API_CALL PFNGLGETUNIFORMLOCATIONPROC glad_glGetUniformLocation; -#define glGetUniformLocation glad_glGetUniformLocation -GLAD_API_CALL PFNGLGETUNIFORMFVPROC glad_glGetUniformfv; -#define glGetUniformfv glad_glGetUniformfv -GLAD_API_CALL PFNGLGETUNIFORMIVPROC glad_glGetUniformiv; -#define glGetUniformiv glad_glGetUniformiv -GLAD_API_CALL PFNGLGETUNIFORMUIVPROC glad_glGetUniformuiv; -#define glGetUniformuiv glad_glGetUniformuiv -GLAD_API_CALL PFNGLGETVERTEXATTRIBIIVPROC glad_glGetVertexAttribIiv; -#define glGetVertexAttribIiv glad_glGetVertexAttribIiv -GLAD_API_CALL PFNGLGETVERTEXATTRIBIUIVPROC glad_glGetVertexAttribIuiv; -#define glGetVertexAttribIuiv glad_glGetVertexAttribIuiv -GLAD_API_CALL PFNGLGETVERTEXATTRIBPOINTERVPROC glad_glGetVertexAttribPointerv; -#define glGetVertexAttribPointerv glad_glGetVertexAttribPointerv -GLAD_API_CALL PFNGLGETVERTEXATTRIBDVPROC glad_glGetVertexAttribdv; -#define glGetVertexAttribdv glad_glGetVertexAttribdv -GLAD_API_CALL PFNGLGETVERTEXATTRIBFVPROC glad_glGetVertexAttribfv; -#define glGetVertexAttribfv glad_glGetVertexAttribfv -GLAD_API_CALL PFNGLGETVERTEXATTRIBIVPROC glad_glGetVertexAttribiv; -#define glGetVertexAttribiv glad_glGetVertexAttribiv -GLAD_API_CALL PFNGLHINTPROC glad_glHint; -#define glHint glad_glHint -GLAD_API_CALL PFNGLISBUFFERPROC glad_glIsBuffer; -#define glIsBuffer glad_glIsBuffer -GLAD_API_CALL PFNGLISENABLEDPROC glad_glIsEnabled; -#define glIsEnabled glad_glIsEnabled -GLAD_API_CALL PFNGLISENABLEDIPROC glad_glIsEnabledi; -#define glIsEnabledi glad_glIsEnabledi -GLAD_API_CALL PFNGLISFRAMEBUFFERPROC glad_glIsFramebuffer; -#define glIsFramebuffer glad_glIsFramebuffer -GLAD_API_CALL PFNGLISPROGRAMPROC glad_glIsProgram; -#define glIsProgram glad_glIsProgram -GLAD_API_CALL PFNGLISQUERYPROC glad_glIsQuery; -#define glIsQuery glad_glIsQuery -GLAD_API_CALL PFNGLISRENDERBUFFERPROC glad_glIsRenderbuffer; -#define glIsRenderbuffer glad_glIsRenderbuffer -GLAD_API_CALL PFNGLISSAMPLERPROC glad_glIsSampler; -#define glIsSampler glad_glIsSampler -GLAD_API_CALL PFNGLISSHADERPROC glad_glIsShader; -#define glIsShader glad_glIsShader -GLAD_API_CALL PFNGLISSYNCPROC glad_glIsSync; -#define glIsSync glad_glIsSync -GLAD_API_CALL PFNGLISTEXTUREPROC glad_glIsTexture; -#define glIsTexture glad_glIsTexture -GLAD_API_CALL PFNGLISVERTEXARRAYPROC glad_glIsVertexArray; -#define glIsVertexArray glad_glIsVertexArray -GLAD_API_CALL PFNGLLINEWIDTHPROC glad_glLineWidth; -#define glLineWidth glad_glLineWidth -GLAD_API_CALL PFNGLLINKPROGRAMPROC glad_glLinkProgram; -#define glLinkProgram glad_glLinkProgram -GLAD_API_CALL PFNGLLOGICOPPROC glad_glLogicOp; -#define glLogicOp glad_glLogicOp -GLAD_API_CALL PFNGLMAPBUFFERPROC glad_glMapBuffer; -#define glMapBuffer glad_glMapBuffer -GLAD_API_CALL PFNGLMAPBUFFERRANGEPROC glad_glMapBufferRange; -#define glMapBufferRange glad_glMapBufferRange -GLAD_API_CALL PFNGLMULTIDRAWARRAYSPROC glad_glMultiDrawArrays; -#define glMultiDrawArrays glad_glMultiDrawArrays -GLAD_API_CALL PFNGLMULTIDRAWELEMENTSPROC glad_glMultiDrawElements; -#define glMultiDrawElements glad_glMultiDrawElements -GLAD_API_CALL PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC glad_glMultiDrawElementsBaseVertex; -#define glMultiDrawElementsBaseVertex glad_glMultiDrawElementsBaseVertex -GLAD_API_CALL PFNGLPIXELSTOREFPROC glad_glPixelStoref; -#define glPixelStoref glad_glPixelStoref -GLAD_API_CALL PFNGLPIXELSTOREIPROC glad_glPixelStorei; -#define glPixelStorei glad_glPixelStorei -GLAD_API_CALL PFNGLPOINTPARAMETERFPROC glad_glPointParameterf; -#define glPointParameterf glad_glPointParameterf -GLAD_API_CALL PFNGLPOINTPARAMETERFVPROC glad_glPointParameterfv; -#define glPointParameterfv glad_glPointParameterfv -GLAD_API_CALL PFNGLPOINTPARAMETERIPROC glad_glPointParameteri; -#define glPointParameteri glad_glPointParameteri -GLAD_API_CALL PFNGLPOINTPARAMETERIVPROC glad_glPointParameteriv; -#define glPointParameteriv glad_glPointParameteriv -GLAD_API_CALL PFNGLPOINTSIZEPROC glad_glPointSize; -#define glPointSize glad_glPointSize -GLAD_API_CALL PFNGLPOLYGONMODEPROC glad_glPolygonMode; -#define glPolygonMode glad_glPolygonMode -GLAD_API_CALL PFNGLPOLYGONOFFSETPROC glad_glPolygonOffset; -#define glPolygonOffset glad_glPolygonOffset -GLAD_API_CALL PFNGLPRIMITIVERESTARTINDEXPROC glad_glPrimitiveRestartIndex; -#define glPrimitiveRestartIndex glad_glPrimitiveRestartIndex -GLAD_API_CALL PFNGLPROVOKINGVERTEXPROC glad_glProvokingVertex; -#define glProvokingVertex glad_glProvokingVertex -GLAD_API_CALL PFNGLQUERYCOUNTERPROC glad_glQueryCounter; -#define glQueryCounter glad_glQueryCounter -GLAD_API_CALL PFNGLREADBUFFERPROC glad_glReadBuffer; -#define glReadBuffer glad_glReadBuffer -GLAD_API_CALL PFNGLREADPIXELSPROC glad_glReadPixels; -#define glReadPixels glad_glReadPixels -GLAD_API_CALL PFNGLRENDERBUFFERSTORAGEPROC glad_glRenderbufferStorage; -#define glRenderbufferStorage glad_glRenderbufferStorage -GLAD_API_CALL PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glad_glRenderbufferStorageMultisample; -#define glRenderbufferStorageMultisample glad_glRenderbufferStorageMultisample -GLAD_API_CALL PFNGLSAMPLECOVERAGEPROC glad_glSampleCoverage; -#define glSampleCoverage glad_glSampleCoverage -GLAD_API_CALL PFNGLSAMPLEMASKIPROC glad_glSampleMaski; -#define glSampleMaski glad_glSampleMaski -GLAD_API_CALL PFNGLSAMPLERPARAMETERIIVPROC glad_glSamplerParameterIiv; -#define glSamplerParameterIiv glad_glSamplerParameterIiv -GLAD_API_CALL PFNGLSAMPLERPARAMETERIUIVPROC glad_glSamplerParameterIuiv; -#define glSamplerParameterIuiv glad_glSamplerParameterIuiv -GLAD_API_CALL PFNGLSAMPLERPARAMETERFPROC glad_glSamplerParameterf; -#define glSamplerParameterf glad_glSamplerParameterf -GLAD_API_CALL PFNGLSAMPLERPARAMETERFVPROC glad_glSamplerParameterfv; -#define glSamplerParameterfv glad_glSamplerParameterfv -GLAD_API_CALL PFNGLSAMPLERPARAMETERIPROC glad_glSamplerParameteri; -#define glSamplerParameteri glad_glSamplerParameteri -GLAD_API_CALL PFNGLSAMPLERPARAMETERIVPROC glad_glSamplerParameteriv; -#define glSamplerParameteriv glad_glSamplerParameteriv -GLAD_API_CALL PFNGLSCISSORPROC glad_glScissor; -#define glScissor glad_glScissor -GLAD_API_CALL PFNGLSHADERSOURCEPROC glad_glShaderSource; -#define glShaderSource glad_glShaderSource -GLAD_API_CALL PFNGLSTENCILFUNCPROC glad_glStencilFunc; -#define glStencilFunc glad_glStencilFunc -GLAD_API_CALL PFNGLSTENCILFUNCSEPARATEPROC glad_glStencilFuncSeparate; -#define glStencilFuncSeparate glad_glStencilFuncSeparate -GLAD_API_CALL PFNGLSTENCILMASKPROC glad_glStencilMask; -#define glStencilMask glad_glStencilMask -GLAD_API_CALL PFNGLSTENCILMASKSEPARATEPROC glad_glStencilMaskSeparate; -#define glStencilMaskSeparate glad_glStencilMaskSeparate -GLAD_API_CALL PFNGLSTENCILOPPROC glad_glStencilOp; -#define glStencilOp glad_glStencilOp -GLAD_API_CALL PFNGLSTENCILOPSEPARATEPROC glad_glStencilOpSeparate; -#define glStencilOpSeparate glad_glStencilOpSeparate -GLAD_API_CALL PFNGLTEXBUFFERPROC glad_glTexBuffer; -#define glTexBuffer glad_glTexBuffer -GLAD_API_CALL PFNGLTEXIMAGE1DPROC glad_glTexImage1D; -#define glTexImage1D glad_glTexImage1D -GLAD_API_CALL PFNGLTEXIMAGE2DPROC glad_glTexImage2D; -#define glTexImage2D glad_glTexImage2D -GLAD_API_CALL PFNGLTEXIMAGE2DMULTISAMPLEPROC glad_glTexImage2DMultisample; -#define glTexImage2DMultisample glad_glTexImage2DMultisample -GLAD_API_CALL PFNGLTEXIMAGE3DPROC glad_glTexImage3D; -#define glTexImage3D glad_glTexImage3D -GLAD_API_CALL PFNGLTEXIMAGE3DMULTISAMPLEPROC glad_glTexImage3DMultisample; -#define glTexImage3DMultisample glad_glTexImage3DMultisample -GLAD_API_CALL PFNGLTEXPARAMETERIIVPROC glad_glTexParameterIiv; -#define glTexParameterIiv glad_glTexParameterIiv -GLAD_API_CALL PFNGLTEXPARAMETERIUIVPROC glad_glTexParameterIuiv; -#define glTexParameterIuiv glad_glTexParameterIuiv -GLAD_API_CALL PFNGLTEXPARAMETERFPROC glad_glTexParameterf; -#define glTexParameterf glad_glTexParameterf -GLAD_API_CALL PFNGLTEXPARAMETERFVPROC glad_glTexParameterfv; -#define glTexParameterfv glad_glTexParameterfv -GLAD_API_CALL PFNGLTEXPARAMETERIPROC glad_glTexParameteri; -#define glTexParameteri glad_glTexParameteri -GLAD_API_CALL PFNGLTEXPARAMETERIVPROC glad_glTexParameteriv; -#define glTexParameteriv glad_glTexParameteriv -GLAD_API_CALL PFNGLTEXSUBIMAGE1DPROC glad_glTexSubImage1D; -#define glTexSubImage1D glad_glTexSubImage1D -GLAD_API_CALL PFNGLTEXSUBIMAGE2DPROC glad_glTexSubImage2D; -#define glTexSubImage2D glad_glTexSubImage2D -GLAD_API_CALL PFNGLTEXSUBIMAGE3DPROC glad_glTexSubImage3D; -#define glTexSubImage3D glad_glTexSubImage3D -GLAD_API_CALL PFNGLTRANSFORMFEEDBACKVARYINGSPROC glad_glTransformFeedbackVaryings; -#define glTransformFeedbackVaryings glad_glTransformFeedbackVaryings -GLAD_API_CALL PFNGLUNIFORM1FPROC glad_glUniform1f; -#define glUniform1f glad_glUniform1f -GLAD_API_CALL PFNGLUNIFORM1FVPROC glad_glUniform1fv; -#define glUniform1fv glad_glUniform1fv -GLAD_API_CALL PFNGLUNIFORM1IPROC glad_glUniform1i; -#define glUniform1i glad_glUniform1i -GLAD_API_CALL PFNGLUNIFORM1IVPROC glad_glUniform1iv; -#define glUniform1iv glad_glUniform1iv -GLAD_API_CALL PFNGLUNIFORM1UIPROC glad_glUniform1ui; -#define glUniform1ui glad_glUniform1ui -GLAD_API_CALL PFNGLUNIFORM1UIVPROC glad_glUniform1uiv; -#define glUniform1uiv glad_glUniform1uiv -GLAD_API_CALL PFNGLUNIFORM2FPROC glad_glUniform2f; -#define glUniform2f glad_glUniform2f -GLAD_API_CALL PFNGLUNIFORM2FVPROC glad_glUniform2fv; -#define glUniform2fv glad_glUniform2fv -GLAD_API_CALL PFNGLUNIFORM2IPROC glad_glUniform2i; -#define glUniform2i glad_glUniform2i -GLAD_API_CALL PFNGLUNIFORM2IVPROC glad_glUniform2iv; -#define glUniform2iv glad_glUniform2iv -GLAD_API_CALL PFNGLUNIFORM2UIPROC glad_glUniform2ui; -#define glUniform2ui glad_glUniform2ui -GLAD_API_CALL PFNGLUNIFORM2UIVPROC glad_glUniform2uiv; -#define glUniform2uiv glad_glUniform2uiv -GLAD_API_CALL PFNGLUNIFORM3FPROC glad_glUniform3f; -#define glUniform3f glad_glUniform3f -GLAD_API_CALL PFNGLUNIFORM3FVPROC glad_glUniform3fv; -#define glUniform3fv glad_glUniform3fv -GLAD_API_CALL PFNGLUNIFORM3IPROC glad_glUniform3i; -#define glUniform3i glad_glUniform3i -GLAD_API_CALL PFNGLUNIFORM3IVPROC glad_glUniform3iv; -#define glUniform3iv glad_glUniform3iv -GLAD_API_CALL PFNGLUNIFORM3UIPROC glad_glUniform3ui; -#define glUniform3ui glad_glUniform3ui -GLAD_API_CALL PFNGLUNIFORM3UIVPROC glad_glUniform3uiv; -#define glUniform3uiv glad_glUniform3uiv -GLAD_API_CALL PFNGLUNIFORM4FPROC glad_glUniform4f; -#define glUniform4f glad_glUniform4f -GLAD_API_CALL PFNGLUNIFORM4FVPROC glad_glUniform4fv; -#define glUniform4fv glad_glUniform4fv -GLAD_API_CALL PFNGLUNIFORM4IPROC glad_glUniform4i; -#define glUniform4i glad_glUniform4i -GLAD_API_CALL PFNGLUNIFORM4IVPROC glad_glUniform4iv; -#define glUniform4iv glad_glUniform4iv -GLAD_API_CALL PFNGLUNIFORM4UIPROC glad_glUniform4ui; -#define glUniform4ui glad_glUniform4ui -GLAD_API_CALL PFNGLUNIFORM4UIVPROC glad_glUniform4uiv; -#define glUniform4uiv glad_glUniform4uiv -GLAD_API_CALL PFNGLUNIFORMBLOCKBINDINGPROC glad_glUniformBlockBinding; -#define glUniformBlockBinding glad_glUniformBlockBinding -GLAD_API_CALL PFNGLUNIFORMMATRIX2FVPROC glad_glUniformMatrix2fv; -#define glUniformMatrix2fv glad_glUniformMatrix2fv -GLAD_API_CALL PFNGLUNIFORMMATRIX2X3FVPROC glad_glUniformMatrix2x3fv; -#define glUniformMatrix2x3fv glad_glUniformMatrix2x3fv -GLAD_API_CALL PFNGLUNIFORMMATRIX2X4FVPROC glad_glUniformMatrix2x4fv; -#define glUniformMatrix2x4fv glad_glUniformMatrix2x4fv -GLAD_API_CALL PFNGLUNIFORMMATRIX3FVPROC glad_glUniformMatrix3fv; -#define glUniformMatrix3fv glad_glUniformMatrix3fv -GLAD_API_CALL PFNGLUNIFORMMATRIX3X2FVPROC glad_glUniformMatrix3x2fv; -#define glUniformMatrix3x2fv glad_glUniformMatrix3x2fv -GLAD_API_CALL PFNGLUNIFORMMATRIX3X4FVPROC glad_glUniformMatrix3x4fv; -#define glUniformMatrix3x4fv glad_glUniformMatrix3x4fv -GLAD_API_CALL PFNGLUNIFORMMATRIX4FVPROC glad_glUniformMatrix4fv; -#define glUniformMatrix4fv glad_glUniformMatrix4fv -GLAD_API_CALL PFNGLUNIFORMMATRIX4X2FVPROC glad_glUniformMatrix4x2fv; -#define glUniformMatrix4x2fv glad_glUniformMatrix4x2fv -GLAD_API_CALL PFNGLUNIFORMMATRIX4X3FVPROC glad_glUniformMatrix4x3fv; -#define glUniformMatrix4x3fv glad_glUniformMatrix4x3fv -GLAD_API_CALL PFNGLUNMAPBUFFERPROC glad_glUnmapBuffer; -#define glUnmapBuffer glad_glUnmapBuffer -GLAD_API_CALL PFNGLUSEPROGRAMPROC glad_glUseProgram; -#define glUseProgram glad_glUseProgram -GLAD_API_CALL PFNGLVALIDATEPROGRAMPROC glad_glValidateProgram; -#define glValidateProgram glad_glValidateProgram -GLAD_API_CALL PFNGLVERTEXATTRIB1DPROC glad_glVertexAttrib1d; -#define glVertexAttrib1d glad_glVertexAttrib1d -GLAD_API_CALL PFNGLVERTEXATTRIB1DVPROC glad_glVertexAttrib1dv; -#define glVertexAttrib1dv glad_glVertexAttrib1dv -GLAD_API_CALL PFNGLVERTEXATTRIB1FPROC glad_glVertexAttrib1f; -#define glVertexAttrib1f glad_glVertexAttrib1f -GLAD_API_CALL PFNGLVERTEXATTRIB1FVPROC glad_glVertexAttrib1fv; -#define glVertexAttrib1fv glad_glVertexAttrib1fv -GLAD_API_CALL PFNGLVERTEXATTRIB1SPROC glad_glVertexAttrib1s; -#define glVertexAttrib1s glad_glVertexAttrib1s -GLAD_API_CALL PFNGLVERTEXATTRIB1SVPROC glad_glVertexAttrib1sv; -#define glVertexAttrib1sv glad_glVertexAttrib1sv -GLAD_API_CALL PFNGLVERTEXATTRIB2DPROC glad_glVertexAttrib2d; -#define glVertexAttrib2d glad_glVertexAttrib2d -GLAD_API_CALL PFNGLVERTEXATTRIB2DVPROC glad_glVertexAttrib2dv; -#define glVertexAttrib2dv glad_glVertexAttrib2dv -GLAD_API_CALL PFNGLVERTEXATTRIB2FPROC glad_glVertexAttrib2f; -#define glVertexAttrib2f glad_glVertexAttrib2f -GLAD_API_CALL PFNGLVERTEXATTRIB2FVPROC glad_glVertexAttrib2fv; -#define glVertexAttrib2fv glad_glVertexAttrib2fv -GLAD_API_CALL PFNGLVERTEXATTRIB2SPROC glad_glVertexAttrib2s; -#define glVertexAttrib2s glad_glVertexAttrib2s -GLAD_API_CALL PFNGLVERTEXATTRIB2SVPROC glad_glVertexAttrib2sv; -#define glVertexAttrib2sv glad_glVertexAttrib2sv -GLAD_API_CALL PFNGLVERTEXATTRIB3DPROC glad_glVertexAttrib3d; -#define glVertexAttrib3d glad_glVertexAttrib3d -GLAD_API_CALL PFNGLVERTEXATTRIB3DVPROC glad_glVertexAttrib3dv; -#define glVertexAttrib3dv glad_glVertexAttrib3dv -GLAD_API_CALL PFNGLVERTEXATTRIB3FPROC glad_glVertexAttrib3f; -#define glVertexAttrib3f glad_glVertexAttrib3f -GLAD_API_CALL PFNGLVERTEXATTRIB3FVPROC glad_glVertexAttrib3fv; -#define glVertexAttrib3fv glad_glVertexAttrib3fv -GLAD_API_CALL PFNGLVERTEXATTRIB3SPROC glad_glVertexAttrib3s; -#define glVertexAttrib3s glad_glVertexAttrib3s -GLAD_API_CALL PFNGLVERTEXATTRIB3SVPROC glad_glVertexAttrib3sv; -#define glVertexAttrib3sv glad_glVertexAttrib3sv -GLAD_API_CALL PFNGLVERTEXATTRIB4NBVPROC glad_glVertexAttrib4Nbv; -#define glVertexAttrib4Nbv glad_glVertexAttrib4Nbv -GLAD_API_CALL PFNGLVERTEXATTRIB4NIVPROC glad_glVertexAttrib4Niv; -#define glVertexAttrib4Niv glad_glVertexAttrib4Niv -GLAD_API_CALL PFNGLVERTEXATTRIB4NSVPROC glad_glVertexAttrib4Nsv; -#define glVertexAttrib4Nsv glad_glVertexAttrib4Nsv -GLAD_API_CALL PFNGLVERTEXATTRIB4NUBPROC glad_glVertexAttrib4Nub; -#define glVertexAttrib4Nub glad_glVertexAttrib4Nub -GLAD_API_CALL PFNGLVERTEXATTRIB4NUBVPROC glad_glVertexAttrib4Nubv; -#define glVertexAttrib4Nubv glad_glVertexAttrib4Nubv -GLAD_API_CALL PFNGLVERTEXATTRIB4NUIVPROC glad_glVertexAttrib4Nuiv; -#define glVertexAttrib4Nuiv glad_glVertexAttrib4Nuiv -GLAD_API_CALL PFNGLVERTEXATTRIB4NUSVPROC glad_glVertexAttrib4Nusv; -#define glVertexAttrib4Nusv glad_glVertexAttrib4Nusv -GLAD_API_CALL PFNGLVERTEXATTRIB4BVPROC glad_glVertexAttrib4bv; -#define glVertexAttrib4bv glad_glVertexAttrib4bv -GLAD_API_CALL PFNGLVERTEXATTRIB4DPROC glad_glVertexAttrib4d; -#define glVertexAttrib4d glad_glVertexAttrib4d -GLAD_API_CALL PFNGLVERTEXATTRIB4DVPROC glad_glVertexAttrib4dv; -#define glVertexAttrib4dv glad_glVertexAttrib4dv -GLAD_API_CALL PFNGLVERTEXATTRIB4FPROC glad_glVertexAttrib4f; -#define glVertexAttrib4f glad_glVertexAttrib4f -GLAD_API_CALL PFNGLVERTEXATTRIB4FVPROC glad_glVertexAttrib4fv; -#define glVertexAttrib4fv glad_glVertexAttrib4fv -GLAD_API_CALL PFNGLVERTEXATTRIB4IVPROC glad_glVertexAttrib4iv; -#define glVertexAttrib4iv glad_glVertexAttrib4iv -GLAD_API_CALL PFNGLVERTEXATTRIB4SPROC glad_glVertexAttrib4s; -#define glVertexAttrib4s glad_glVertexAttrib4s -GLAD_API_CALL PFNGLVERTEXATTRIB4SVPROC glad_glVertexAttrib4sv; -#define glVertexAttrib4sv glad_glVertexAttrib4sv -GLAD_API_CALL PFNGLVERTEXATTRIB4UBVPROC glad_glVertexAttrib4ubv; -#define glVertexAttrib4ubv glad_glVertexAttrib4ubv -GLAD_API_CALL PFNGLVERTEXATTRIB4UIVPROC glad_glVertexAttrib4uiv; -#define glVertexAttrib4uiv glad_glVertexAttrib4uiv -GLAD_API_CALL PFNGLVERTEXATTRIB4USVPROC glad_glVertexAttrib4usv; -#define glVertexAttrib4usv glad_glVertexAttrib4usv -GLAD_API_CALL PFNGLVERTEXATTRIBDIVISORPROC glad_glVertexAttribDivisor; -#define glVertexAttribDivisor glad_glVertexAttribDivisor -GLAD_API_CALL PFNGLVERTEXATTRIBI1IPROC glad_glVertexAttribI1i; -#define glVertexAttribI1i glad_glVertexAttribI1i -GLAD_API_CALL PFNGLVERTEXATTRIBI1IVPROC glad_glVertexAttribI1iv; -#define glVertexAttribI1iv glad_glVertexAttribI1iv -GLAD_API_CALL PFNGLVERTEXATTRIBI1UIPROC glad_glVertexAttribI1ui; -#define glVertexAttribI1ui glad_glVertexAttribI1ui -GLAD_API_CALL PFNGLVERTEXATTRIBI1UIVPROC glad_glVertexAttribI1uiv; -#define glVertexAttribI1uiv glad_glVertexAttribI1uiv -GLAD_API_CALL PFNGLVERTEXATTRIBI2IPROC glad_glVertexAttribI2i; -#define glVertexAttribI2i glad_glVertexAttribI2i -GLAD_API_CALL PFNGLVERTEXATTRIBI2IVPROC glad_glVertexAttribI2iv; -#define glVertexAttribI2iv glad_glVertexAttribI2iv -GLAD_API_CALL PFNGLVERTEXATTRIBI2UIPROC glad_glVertexAttribI2ui; -#define glVertexAttribI2ui glad_glVertexAttribI2ui -GLAD_API_CALL PFNGLVERTEXATTRIBI2UIVPROC glad_glVertexAttribI2uiv; -#define glVertexAttribI2uiv glad_glVertexAttribI2uiv -GLAD_API_CALL PFNGLVERTEXATTRIBI3IPROC glad_glVertexAttribI3i; -#define glVertexAttribI3i glad_glVertexAttribI3i -GLAD_API_CALL PFNGLVERTEXATTRIBI3IVPROC glad_glVertexAttribI3iv; -#define glVertexAttribI3iv glad_glVertexAttribI3iv -GLAD_API_CALL PFNGLVERTEXATTRIBI3UIPROC glad_glVertexAttribI3ui; -#define glVertexAttribI3ui glad_glVertexAttribI3ui -GLAD_API_CALL PFNGLVERTEXATTRIBI3UIVPROC glad_glVertexAttribI3uiv; -#define glVertexAttribI3uiv glad_glVertexAttribI3uiv -GLAD_API_CALL PFNGLVERTEXATTRIBI4BVPROC glad_glVertexAttribI4bv; -#define glVertexAttribI4bv glad_glVertexAttribI4bv -GLAD_API_CALL PFNGLVERTEXATTRIBI4IPROC glad_glVertexAttribI4i; -#define glVertexAttribI4i glad_glVertexAttribI4i -GLAD_API_CALL PFNGLVERTEXATTRIBI4IVPROC glad_glVertexAttribI4iv; -#define glVertexAttribI4iv glad_glVertexAttribI4iv -GLAD_API_CALL PFNGLVERTEXATTRIBI4SVPROC glad_glVertexAttribI4sv; -#define glVertexAttribI4sv glad_glVertexAttribI4sv -GLAD_API_CALL PFNGLVERTEXATTRIBI4UBVPROC glad_glVertexAttribI4ubv; -#define glVertexAttribI4ubv glad_glVertexAttribI4ubv -GLAD_API_CALL PFNGLVERTEXATTRIBI4UIPROC glad_glVertexAttribI4ui; -#define glVertexAttribI4ui glad_glVertexAttribI4ui -GLAD_API_CALL PFNGLVERTEXATTRIBI4UIVPROC glad_glVertexAttribI4uiv; -#define glVertexAttribI4uiv glad_glVertexAttribI4uiv -GLAD_API_CALL PFNGLVERTEXATTRIBI4USVPROC glad_glVertexAttribI4usv; -#define glVertexAttribI4usv glad_glVertexAttribI4usv -GLAD_API_CALL PFNGLVERTEXATTRIBIPOINTERPROC glad_glVertexAttribIPointer; -#define glVertexAttribIPointer glad_glVertexAttribIPointer -GLAD_API_CALL PFNGLVERTEXATTRIBP1UIPROC glad_glVertexAttribP1ui; -#define glVertexAttribP1ui glad_glVertexAttribP1ui -GLAD_API_CALL PFNGLVERTEXATTRIBP1UIVPROC glad_glVertexAttribP1uiv; -#define glVertexAttribP1uiv glad_glVertexAttribP1uiv -GLAD_API_CALL PFNGLVERTEXATTRIBP2UIPROC glad_glVertexAttribP2ui; -#define glVertexAttribP2ui glad_glVertexAttribP2ui -GLAD_API_CALL PFNGLVERTEXATTRIBP2UIVPROC glad_glVertexAttribP2uiv; -#define glVertexAttribP2uiv glad_glVertexAttribP2uiv -GLAD_API_CALL PFNGLVERTEXATTRIBP3UIPROC glad_glVertexAttribP3ui; -#define glVertexAttribP3ui glad_glVertexAttribP3ui -GLAD_API_CALL PFNGLVERTEXATTRIBP3UIVPROC glad_glVertexAttribP3uiv; -#define glVertexAttribP3uiv glad_glVertexAttribP3uiv -GLAD_API_CALL PFNGLVERTEXATTRIBP4UIPROC glad_glVertexAttribP4ui; -#define glVertexAttribP4ui glad_glVertexAttribP4ui -GLAD_API_CALL PFNGLVERTEXATTRIBP4UIVPROC glad_glVertexAttribP4uiv; -#define glVertexAttribP4uiv glad_glVertexAttribP4uiv -GLAD_API_CALL PFNGLVERTEXATTRIBPOINTERPROC glad_glVertexAttribPointer; -#define glVertexAttribPointer glad_glVertexAttribPointer -GLAD_API_CALL PFNGLVIEWPORTPROC glad_glViewport; -#define glViewport glad_glViewport -GLAD_API_CALL PFNGLWAITSYNCPROC glad_glWaitSync; -#define glWaitSync glad_glWaitSync - - - - - -GLAD_API_CALL int gladLoadGLUserPtr( GLADuserptrloadfunc load, void *userptr); -GLAD_API_CALL int gladLoadGL( GLADloadfunc load); - - - -#ifdef __cplusplus -} -#endif -#endif diff --git a/subprojects/glad/meson.build b/subprojects/glad/meson.build deleted file mode 100644 index f998dd9..0000000 --- a/subprojects/glad/meson.build +++ /dev/null @@ -1,5 +0,0 @@ -project('glad', 'c', version: '2.0.4') - -glad_inc = include_directories('include') -glad_lib = static_library('glad', 'src/gl.c', include_directories: glad_inc) -glad = declare_dependency(link_with: glad_lib, include_directories: glad_inc) diff --git a/subprojects/glad/src/gl.c b/subprojects/glad/src/gl.c deleted file mode 100644 index 3f9ef66..0000000 --- a/subprojects/glad/src/gl.c +++ /dev/null @@ -1,965 +0,0 @@ -/** - * SPDX-License-Identifier: (WTFPL OR CC0-1.0) AND Apache-2.0 - */ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <glad/gl.h> - -#ifndef GLAD_IMPL_UTIL_C_ -#define GLAD_IMPL_UTIL_C_ - -#ifdef _MSC_VER -#define GLAD_IMPL_UTIL_SSCANF sscanf_s -#else -#define GLAD_IMPL_UTIL_SSCANF sscanf -#endif - -#endif /* GLAD_IMPL_UTIL_C_ */ - -#ifdef __cplusplus -extern "C" { -#endif - - - -int GLAD_GL_VERSION_1_0 = 0; -int GLAD_GL_VERSION_1_1 = 0; -int GLAD_GL_VERSION_1_2 = 0; -int GLAD_GL_VERSION_1_3 = 0; -int GLAD_GL_VERSION_1_4 = 0; -int GLAD_GL_VERSION_1_5 = 0; -int GLAD_GL_VERSION_2_0 = 0; -int GLAD_GL_VERSION_2_1 = 0; -int GLAD_GL_VERSION_3_0 = 0; -int GLAD_GL_VERSION_3_1 = 0; -int GLAD_GL_VERSION_3_2 = 0; -int GLAD_GL_VERSION_3_3 = 0; -int GLAD_GL_EXT_texture_filter_anisotropic = 0; - - - -PFNGLACTIVETEXTUREPROC glad_glActiveTexture = NULL; -PFNGLATTACHSHADERPROC glad_glAttachShader = NULL; -PFNGLBEGINCONDITIONALRENDERPROC glad_glBeginConditionalRender = NULL; -PFNGLBEGINQUERYPROC glad_glBeginQuery = NULL; -PFNGLBEGINTRANSFORMFEEDBACKPROC glad_glBeginTransformFeedback = NULL; -PFNGLBINDATTRIBLOCATIONPROC glad_glBindAttribLocation = NULL; -PFNGLBINDBUFFERPROC glad_glBindBuffer = NULL; -PFNGLBINDBUFFERBASEPROC glad_glBindBufferBase = NULL; -PFNGLBINDBUFFERRANGEPROC glad_glBindBufferRange = NULL; -PFNGLBINDFRAGDATALOCATIONPROC glad_glBindFragDataLocation = NULL; -PFNGLBINDFRAGDATALOCATIONINDEXEDPROC glad_glBindFragDataLocationIndexed = NULL; -PFNGLBINDFRAMEBUFFERPROC glad_glBindFramebuffer = NULL; -PFNGLBINDRENDERBUFFERPROC glad_glBindRenderbuffer = NULL; -PFNGLBINDSAMPLERPROC glad_glBindSampler = NULL; -PFNGLBINDTEXTUREPROC glad_glBindTexture = NULL; -PFNGLBINDVERTEXARRAYPROC glad_glBindVertexArray = NULL; -PFNGLBLENDCOLORPROC glad_glBlendColor = NULL; -PFNGLBLENDEQUATIONPROC glad_glBlendEquation = NULL; -PFNGLBLENDEQUATIONSEPARATEPROC glad_glBlendEquationSeparate = NULL; -PFNGLBLENDFUNCPROC glad_glBlendFunc = NULL; -PFNGLBLENDFUNCSEPARATEPROC glad_glBlendFuncSeparate = NULL; -PFNGLBLITFRAMEBUFFERPROC glad_glBlitFramebuffer = NULL; -PFNGLBUFFERDATAPROC glad_glBufferData = NULL; -PFNGLBUFFERSUBDATAPROC glad_glBufferSubData = NULL; -PFNGLCHECKFRAMEBUFFERSTATUSPROC glad_glCheckFramebufferStatus = NULL; -PFNGLCLAMPCOLORPROC glad_glClampColor = NULL; -PFNGLCLEARPROC glad_glClear = NULL; -PFNGLCLEARBUFFERFIPROC glad_glClearBufferfi = NULL; -PFNGLCLEARBUFFERFVPROC glad_glClearBufferfv = NULL; -PFNGLCLEARBUFFERIVPROC glad_glClearBufferiv = NULL; -PFNGLCLEARBUFFERUIVPROC glad_glClearBufferuiv = NULL; -PFNGLCLEARCOLORPROC glad_glClearColor = NULL; -PFNGLCLEARDEPTHPROC glad_glClearDepth = NULL; -PFNGLCLEARSTENCILPROC glad_glClearStencil = NULL; -PFNGLCLIENTWAITSYNCPROC glad_glClientWaitSync = NULL; -PFNGLCOLORMASKPROC glad_glColorMask = NULL; -PFNGLCOLORMASKIPROC glad_glColorMaski = NULL; -PFNGLCOMPILESHADERPROC glad_glCompileShader = NULL; -PFNGLCOMPRESSEDTEXIMAGE1DPROC glad_glCompressedTexImage1D = NULL; -PFNGLCOMPRESSEDTEXIMAGE2DPROC glad_glCompressedTexImage2D = NULL; -PFNGLCOMPRESSEDTEXIMAGE3DPROC glad_glCompressedTexImage3D = NULL; -PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC glad_glCompressedTexSubImage1D = NULL; -PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC glad_glCompressedTexSubImage2D = NULL; -PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC glad_glCompressedTexSubImage3D = NULL; -PFNGLCOPYBUFFERSUBDATAPROC glad_glCopyBufferSubData = NULL; -PFNGLCOPYTEXIMAGE1DPROC glad_glCopyTexImage1D = NULL; -PFNGLCOPYTEXIMAGE2DPROC glad_glCopyTexImage2D = NULL; -PFNGLCOPYTEXSUBIMAGE1DPROC glad_glCopyTexSubImage1D = NULL; -PFNGLCOPYTEXSUBIMAGE2DPROC glad_glCopyTexSubImage2D = NULL; -PFNGLCOPYTEXSUBIMAGE3DPROC glad_glCopyTexSubImage3D = NULL; -PFNGLCREATEPROGRAMPROC glad_glCreateProgram = NULL; -PFNGLCREATESHADERPROC glad_glCreateShader = NULL; -PFNGLCULLFACEPROC glad_glCullFace = NULL; -PFNGLDELETEBUFFERSPROC glad_glDeleteBuffers = NULL; -PFNGLDELETEFRAMEBUFFERSPROC glad_glDeleteFramebuffers = NULL; -PFNGLDELETEPROGRAMPROC glad_glDeleteProgram = NULL; -PFNGLDELETEQUERIESPROC glad_glDeleteQueries = NULL; -PFNGLDELETERENDERBUFFERSPROC glad_glDeleteRenderbuffers = NULL; -PFNGLDELETESAMPLERSPROC glad_glDeleteSamplers = NULL; -PFNGLDELETESHADERPROC glad_glDeleteShader = NULL; -PFNGLDELETESYNCPROC glad_glDeleteSync = NULL; -PFNGLDELETETEXTURESPROC glad_glDeleteTextures = NULL; -PFNGLDELETEVERTEXARRAYSPROC glad_glDeleteVertexArrays = NULL; -PFNGLDEPTHFUNCPROC glad_glDepthFunc = NULL; -PFNGLDEPTHMASKPROC glad_glDepthMask = NULL; -PFNGLDEPTHRANGEPROC glad_glDepthRange = NULL; -PFNGLDETACHSHADERPROC glad_glDetachShader = NULL; -PFNGLDISABLEPROC glad_glDisable = NULL; -PFNGLDISABLEVERTEXATTRIBARRAYPROC glad_glDisableVertexAttribArray = NULL; -PFNGLDISABLEIPROC glad_glDisablei = NULL; -PFNGLDRAWARRAYSPROC glad_glDrawArrays = NULL; -PFNGLDRAWARRAYSINSTANCEDPROC glad_glDrawArraysInstanced = NULL; -PFNGLDRAWBUFFERPROC glad_glDrawBuffer = NULL; -PFNGLDRAWBUFFERSPROC glad_glDrawBuffers = NULL; -PFNGLDRAWELEMENTSPROC glad_glDrawElements = NULL; -PFNGLDRAWELEMENTSBASEVERTEXPROC glad_glDrawElementsBaseVertex = NULL; -PFNGLDRAWELEMENTSINSTANCEDPROC glad_glDrawElementsInstanced = NULL; -PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC glad_glDrawElementsInstancedBaseVertex = NULL; -PFNGLDRAWRANGEELEMENTSPROC glad_glDrawRangeElements = NULL; -PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC glad_glDrawRangeElementsBaseVertex = NULL; -PFNGLENABLEPROC glad_glEnable = NULL; -PFNGLENABLEVERTEXATTRIBARRAYPROC glad_glEnableVertexAttribArray = NULL; -PFNGLENABLEIPROC glad_glEnablei = NULL; -PFNGLENDCONDITIONALRENDERPROC glad_glEndConditionalRender = NULL; -PFNGLENDQUERYPROC glad_glEndQuery = NULL; -PFNGLENDTRANSFORMFEEDBACKPROC glad_glEndTransformFeedback = NULL; -PFNGLFENCESYNCPROC glad_glFenceSync = NULL; -PFNGLFINISHPROC glad_glFinish = NULL; -PFNGLFLUSHPROC glad_glFlush = NULL; -PFNGLFLUSHMAPPEDBUFFERRANGEPROC glad_glFlushMappedBufferRange = NULL; -PFNGLFRAMEBUFFERRENDERBUFFERPROC glad_glFramebufferRenderbuffer = NULL; -PFNGLFRAMEBUFFERTEXTUREPROC glad_glFramebufferTexture = NULL; -PFNGLFRAMEBUFFERTEXTURE1DPROC glad_glFramebufferTexture1D = NULL; -PFNGLFRAMEBUFFERTEXTURE2DPROC glad_glFramebufferTexture2D = NULL; -PFNGLFRAMEBUFFERTEXTURE3DPROC glad_glFramebufferTexture3D = NULL; -PFNGLFRAMEBUFFERTEXTURELAYERPROC glad_glFramebufferTextureLayer = NULL; -PFNGLFRONTFACEPROC glad_glFrontFace = NULL; -PFNGLGENBUFFERSPROC glad_glGenBuffers = NULL; -PFNGLGENFRAMEBUFFERSPROC glad_glGenFramebuffers = NULL; -PFNGLGENQUERIESPROC glad_glGenQueries = NULL; -PFNGLGENRENDERBUFFERSPROC glad_glGenRenderbuffers = NULL; -PFNGLGENSAMPLERSPROC glad_glGenSamplers = NULL; -PFNGLGENTEXTURESPROC glad_glGenTextures = NULL; -PFNGLGENVERTEXARRAYSPROC glad_glGenVertexArrays = NULL; -PFNGLGENERATEMIPMAPPROC glad_glGenerateMipmap = NULL; -PFNGLGETACTIVEATTRIBPROC glad_glGetActiveAttrib = NULL; -PFNGLGETACTIVEUNIFORMPROC glad_glGetActiveUniform = NULL; -PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC glad_glGetActiveUniformBlockName = NULL; -PFNGLGETACTIVEUNIFORMBLOCKIVPROC glad_glGetActiveUniformBlockiv = NULL; -PFNGLGETACTIVEUNIFORMNAMEPROC glad_glGetActiveUniformName = NULL; -PFNGLGETACTIVEUNIFORMSIVPROC glad_glGetActiveUniformsiv = NULL; -PFNGLGETATTACHEDSHADERSPROC glad_glGetAttachedShaders = NULL; -PFNGLGETATTRIBLOCATIONPROC glad_glGetAttribLocation = NULL; -PFNGLGETBOOLEANI_VPROC glad_glGetBooleani_v = NULL; -PFNGLGETBOOLEANVPROC glad_glGetBooleanv = NULL; -PFNGLGETBUFFERPARAMETERI64VPROC glad_glGetBufferParameteri64v = NULL; -PFNGLGETBUFFERPARAMETERIVPROC glad_glGetBufferParameteriv = NULL; -PFNGLGETBUFFERPOINTERVPROC glad_glGetBufferPointerv = NULL; -PFNGLGETBUFFERSUBDATAPROC glad_glGetBufferSubData = NULL; -PFNGLGETCOMPRESSEDTEXIMAGEPROC glad_glGetCompressedTexImage = NULL; -PFNGLGETDOUBLEVPROC glad_glGetDoublev = NULL; -PFNGLGETERRORPROC glad_glGetError = NULL; -PFNGLGETFLOATVPROC glad_glGetFloatv = NULL; -PFNGLGETFRAGDATAINDEXPROC glad_glGetFragDataIndex = NULL; -PFNGLGETFRAGDATALOCATIONPROC glad_glGetFragDataLocation = NULL; -PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glad_glGetFramebufferAttachmentParameteriv = NULL; -PFNGLGETINTEGER64I_VPROC glad_glGetInteger64i_v = NULL; -PFNGLGETINTEGER64VPROC glad_glGetInteger64v = NULL; -PFNGLGETINTEGERI_VPROC glad_glGetIntegeri_v = NULL; -PFNGLGETINTEGERVPROC glad_glGetIntegerv = NULL; -PFNGLGETMULTISAMPLEFVPROC glad_glGetMultisamplefv = NULL; -PFNGLGETPROGRAMINFOLOGPROC glad_glGetProgramInfoLog = NULL; -PFNGLGETPROGRAMIVPROC glad_glGetProgramiv = NULL; -PFNGLGETQUERYOBJECTI64VPROC glad_glGetQueryObjecti64v = NULL; -PFNGLGETQUERYOBJECTIVPROC glad_glGetQueryObjectiv = NULL; -PFNGLGETQUERYOBJECTUI64VPROC glad_glGetQueryObjectui64v = NULL; -PFNGLGETQUERYOBJECTUIVPROC glad_glGetQueryObjectuiv = NULL; -PFNGLGETQUERYIVPROC glad_glGetQueryiv = NULL; -PFNGLGETRENDERBUFFERPARAMETERIVPROC glad_glGetRenderbufferParameteriv = NULL; -PFNGLGETSAMPLERPARAMETERIIVPROC glad_glGetSamplerParameterIiv = NULL; -PFNGLGETSAMPLERPARAMETERIUIVPROC glad_glGetSamplerParameterIuiv = NULL; -PFNGLGETSAMPLERPARAMETERFVPROC glad_glGetSamplerParameterfv = NULL; -PFNGLGETSAMPLERPARAMETERIVPROC glad_glGetSamplerParameteriv = NULL; -PFNGLGETSHADERINFOLOGPROC glad_glGetShaderInfoLog = NULL; -PFNGLGETSHADERSOURCEPROC glad_glGetShaderSource = NULL; -PFNGLGETSHADERIVPROC glad_glGetShaderiv = NULL; -PFNGLGETSTRINGPROC glad_glGetString = NULL; -PFNGLGETSTRINGIPROC glad_glGetStringi = NULL; -PFNGLGETSYNCIVPROC glad_glGetSynciv = NULL; -PFNGLGETTEXIMAGEPROC glad_glGetTexImage = NULL; -PFNGLGETTEXLEVELPARAMETERFVPROC glad_glGetTexLevelParameterfv = NULL; -PFNGLGETTEXLEVELPARAMETERIVPROC glad_glGetTexLevelParameteriv = NULL; -PFNGLGETTEXPARAMETERIIVPROC glad_glGetTexParameterIiv = NULL; -PFNGLGETTEXPARAMETERIUIVPROC glad_glGetTexParameterIuiv = NULL; -PFNGLGETTEXPARAMETERFVPROC glad_glGetTexParameterfv = NULL; -PFNGLGETTEXPARAMETERIVPROC glad_glGetTexParameteriv = NULL; -PFNGLGETTRANSFORMFEEDBACKVARYINGPROC glad_glGetTransformFeedbackVarying = NULL; -PFNGLGETUNIFORMBLOCKINDEXPROC glad_glGetUniformBlockIndex = NULL; -PFNGLGETUNIFORMINDICESPROC glad_glGetUniformIndices = NULL; -PFNGLGETUNIFORMLOCATIONPROC glad_glGetUniformLocation = NULL; -PFNGLGETUNIFORMFVPROC glad_glGetUniformfv = NULL; -PFNGLGETUNIFORMIVPROC glad_glGetUniformiv = NULL; -PFNGLGETUNIFORMUIVPROC glad_glGetUniformuiv = NULL; -PFNGLGETVERTEXATTRIBIIVPROC glad_glGetVertexAttribIiv = NULL; -PFNGLGETVERTEXATTRIBIUIVPROC glad_glGetVertexAttribIuiv = NULL; -PFNGLGETVERTEXATTRIBPOINTERVPROC glad_glGetVertexAttribPointerv = NULL; -PFNGLGETVERTEXATTRIBDVPROC glad_glGetVertexAttribdv = NULL; -PFNGLGETVERTEXATTRIBFVPROC glad_glGetVertexAttribfv = NULL; -PFNGLGETVERTEXATTRIBIVPROC glad_glGetVertexAttribiv = NULL; -PFNGLHINTPROC glad_glHint = NULL; -PFNGLISBUFFERPROC glad_glIsBuffer = NULL; -PFNGLISENABLEDPROC glad_glIsEnabled = NULL; -PFNGLISENABLEDIPROC glad_glIsEnabledi = NULL; -PFNGLISFRAMEBUFFERPROC glad_glIsFramebuffer = NULL; -PFNGLISPROGRAMPROC glad_glIsProgram = NULL; -PFNGLISQUERYPROC glad_glIsQuery = NULL; -PFNGLISRENDERBUFFERPROC glad_glIsRenderbuffer = NULL; -PFNGLISSAMPLERPROC glad_glIsSampler = NULL; -PFNGLISSHADERPROC glad_glIsShader = NULL; -PFNGLISSYNCPROC glad_glIsSync = NULL; -PFNGLISTEXTUREPROC glad_glIsTexture = NULL; -PFNGLISVERTEXARRAYPROC glad_glIsVertexArray = NULL; -PFNGLLINEWIDTHPROC glad_glLineWidth = NULL; -PFNGLLINKPROGRAMPROC glad_glLinkProgram = NULL; -PFNGLLOGICOPPROC glad_glLogicOp = NULL; -PFNGLMAPBUFFERPROC glad_glMapBuffer = NULL; -PFNGLMAPBUFFERRANGEPROC glad_glMapBufferRange = NULL; -PFNGLMULTIDRAWARRAYSPROC glad_glMultiDrawArrays = NULL; -PFNGLMULTIDRAWELEMENTSPROC glad_glMultiDrawElements = NULL; -PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC glad_glMultiDrawElementsBaseVertex = NULL; -PFNGLPIXELSTOREFPROC glad_glPixelStoref = NULL; -PFNGLPIXELSTOREIPROC glad_glPixelStorei = NULL; -PFNGLPOINTPARAMETERFPROC glad_glPointParameterf = NULL; -PFNGLPOINTPARAMETERFVPROC glad_glPointParameterfv = NULL; -PFNGLPOINTPARAMETERIPROC glad_glPointParameteri = NULL; -PFNGLPOINTPARAMETERIVPROC glad_glPointParameteriv = NULL; -PFNGLPOINTSIZEPROC glad_glPointSize = NULL; -PFNGLPOLYGONMODEPROC glad_glPolygonMode = NULL; -PFNGLPOLYGONOFFSETPROC glad_glPolygonOffset = NULL; -PFNGLPRIMITIVERESTARTINDEXPROC glad_glPrimitiveRestartIndex = NULL; -PFNGLPROVOKINGVERTEXPROC glad_glProvokingVertex = NULL; -PFNGLQUERYCOUNTERPROC glad_glQueryCounter = NULL; -PFNGLREADBUFFERPROC glad_glReadBuffer = NULL; -PFNGLREADPIXELSPROC glad_glReadPixels = NULL; -PFNGLRENDERBUFFERSTORAGEPROC glad_glRenderbufferStorage = NULL; -PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glad_glRenderbufferStorageMultisample = NULL; -PFNGLSAMPLECOVERAGEPROC glad_glSampleCoverage = NULL; -PFNGLSAMPLEMASKIPROC glad_glSampleMaski = NULL; -PFNGLSAMPLERPARAMETERIIVPROC glad_glSamplerParameterIiv = NULL; -PFNGLSAMPLERPARAMETERIUIVPROC glad_glSamplerParameterIuiv = NULL; -PFNGLSAMPLERPARAMETERFPROC glad_glSamplerParameterf = NULL; -PFNGLSAMPLERPARAMETERFVPROC glad_glSamplerParameterfv = NULL; -PFNGLSAMPLERPARAMETERIPROC glad_glSamplerParameteri = NULL; -PFNGLSAMPLERPARAMETERIVPROC glad_glSamplerParameteriv = NULL; -PFNGLSCISSORPROC glad_glScissor = NULL; -PFNGLSHADERSOURCEPROC glad_glShaderSource = NULL; -PFNGLSTENCILFUNCPROC glad_glStencilFunc = NULL; -PFNGLSTENCILFUNCSEPARATEPROC glad_glStencilFuncSeparate = NULL; -PFNGLSTENCILMASKPROC glad_glStencilMask = NULL; -PFNGLSTENCILMASKSEPARATEPROC glad_glStencilMaskSeparate = NULL; -PFNGLSTENCILOPPROC glad_glStencilOp = NULL; -PFNGLSTENCILOPSEPARATEPROC glad_glStencilOpSeparate = NULL; -PFNGLTEXBUFFERPROC glad_glTexBuffer = NULL; -PFNGLTEXIMAGE1DPROC glad_glTexImage1D = NULL; -PFNGLTEXIMAGE2DPROC glad_glTexImage2D = NULL; -PFNGLTEXIMAGE2DMULTISAMPLEPROC glad_glTexImage2DMultisample = NULL; -PFNGLTEXIMAGE3DPROC glad_glTexImage3D = NULL; -PFNGLTEXIMAGE3DMULTISAMPLEPROC glad_glTexImage3DMultisample = NULL; -PFNGLTEXPARAMETERIIVPROC glad_glTexParameterIiv = NULL; -PFNGLTEXPARAMETERIUIVPROC glad_glTexParameterIuiv = NULL; -PFNGLTEXPARAMETERFPROC glad_glTexParameterf = NULL; -PFNGLTEXPARAMETERFVPROC glad_glTexParameterfv = NULL; -PFNGLTEXPARAMETERIPROC glad_glTexParameteri = NULL; -PFNGLTEXPARAMETERIVPROC glad_glTexParameteriv = NULL; -PFNGLTEXSUBIMAGE1DPROC glad_glTexSubImage1D = NULL; -PFNGLTEXSUBIMAGE2DPROC glad_glTexSubImage2D = NULL; -PFNGLTEXSUBIMAGE3DPROC glad_glTexSubImage3D = NULL; -PFNGLTRANSFORMFEEDBACKVARYINGSPROC glad_glTransformFeedbackVaryings = NULL; -PFNGLUNIFORM1FPROC glad_glUniform1f = NULL; -PFNGLUNIFORM1FVPROC glad_glUniform1fv = NULL; -PFNGLUNIFORM1IPROC glad_glUniform1i = NULL; -PFNGLUNIFORM1IVPROC glad_glUniform1iv = NULL; -PFNGLUNIFORM1UIPROC glad_glUniform1ui = NULL; -PFNGLUNIFORM1UIVPROC glad_glUniform1uiv = NULL; -PFNGLUNIFORM2FPROC glad_glUniform2f = NULL; -PFNGLUNIFORM2FVPROC glad_glUniform2fv = NULL; -PFNGLUNIFORM2IPROC glad_glUniform2i = NULL; -PFNGLUNIFORM2IVPROC glad_glUniform2iv = NULL; -PFNGLUNIFORM2UIPROC glad_glUniform2ui = NULL; -PFNGLUNIFORM2UIVPROC glad_glUniform2uiv = NULL; -PFNGLUNIFORM3FPROC glad_glUniform3f = NULL; -PFNGLUNIFORM3FVPROC glad_glUniform3fv = NULL; -PFNGLUNIFORM3IPROC glad_glUniform3i = NULL; -PFNGLUNIFORM3IVPROC glad_glUniform3iv = NULL; -PFNGLUNIFORM3UIPROC glad_glUniform3ui = NULL; -PFNGLUNIFORM3UIVPROC glad_glUniform3uiv = NULL; -PFNGLUNIFORM4FPROC glad_glUniform4f = NULL; -PFNGLUNIFORM4FVPROC glad_glUniform4fv = NULL; -PFNGLUNIFORM4IPROC glad_glUniform4i = NULL; -PFNGLUNIFORM4IVPROC glad_glUniform4iv = NULL; -PFNGLUNIFORM4UIPROC glad_glUniform4ui = NULL; -PFNGLUNIFORM4UIVPROC glad_glUniform4uiv = NULL; -PFNGLUNIFORMBLOCKBINDINGPROC glad_glUniformBlockBinding = NULL; -PFNGLUNIFORMMATRIX2FVPROC glad_glUniformMatrix2fv = NULL; -PFNGLUNIFORMMATRIX2X3FVPROC glad_glUniformMatrix2x3fv = NULL; -PFNGLUNIFORMMATRIX2X4FVPROC glad_glUniformMatrix2x4fv = NULL; -PFNGLUNIFORMMATRIX3FVPROC glad_glUniformMatrix3fv = NULL; -PFNGLUNIFORMMATRIX3X2FVPROC glad_glUniformMatrix3x2fv = NULL; -PFNGLUNIFORMMATRIX3X4FVPROC glad_glUniformMatrix3x4fv = NULL; -PFNGLUNIFORMMATRIX4FVPROC glad_glUniformMatrix4fv = NULL; -PFNGLUNIFORMMATRIX4X2FVPROC glad_glUniformMatrix4x2fv = NULL; -PFNGLUNIFORMMATRIX4X3FVPROC glad_glUniformMatrix4x3fv = NULL; -PFNGLUNMAPBUFFERPROC glad_glUnmapBuffer = NULL; -PFNGLUSEPROGRAMPROC glad_glUseProgram = NULL; -PFNGLVALIDATEPROGRAMPROC glad_glValidateProgram = NULL; -PFNGLVERTEXATTRIB1DPROC glad_glVertexAttrib1d = NULL; -PFNGLVERTEXATTRIB1DVPROC glad_glVertexAttrib1dv = NULL; -PFNGLVERTEXATTRIB1FPROC glad_glVertexAttrib1f = NULL; -PFNGLVERTEXATTRIB1FVPROC glad_glVertexAttrib1fv = NULL; -PFNGLVERTEXATTRIB1SPROC glad_glVertexAttrib1s = NULL; -PFNGLVERTEXATTRIB1SVPROC glad_glVertexAttrib1sv = NULL; -PFNGLVERTEXATTRIB2DPROC glad_glVertexAttrib2d = NULL; -PFNGLVERTEXATTRIB2DVPROC glad_glVertexAttrib2dv = NULL; -PFNGLVERTEXATTRIB2FPROC glad_glVertexAttrib2f = NULL; -PFNGLVERTEXATTRIB2FVPROC glad_glVertexAttrib2fv = NULL; -PFNGLVERTEXATTRIB2SPROC glad_glVertexAttrib2s = NULL; -PFNGLVERTEXATTRIB2SVPROC glad_glVertexAttrib2sv = NULL; -PFNGLVERTEXATTRIB3DPROC glad_glVertexAttrib3d = NULL; -PFNGLVERTEXATTRIB3DVPROC glad_glVertexAttrib3dv = NULL; -PFNGLVERTEXATTRIB3FPROC glad_glVertexAttrib3f = NULL; -PFNGLVERTEXATTRIB3FVPROC glad_glVertexAttrib3fv = NULL; -PFNGLVERTEXATTRIB3SPROC glad_glVertexAttrib3s = NULL; -PFNGLVERTEXATTRIB3SVPROC glad_glVertexAttrib3sv = NULL; -PFNGLVERTEXATTRIB4NBVPROC glad_glVertexAttrib4Nbv = NULL; -PFNGLVERTEXATTRIB4NIVPROC glad_glVertexAttrib4Niv = NULL; -PFNGLVERTEXATTRIB4NSVPROC glad_glVertexAttrib4Nsv = NULL; -PFNGLVERTEXATTRIB4NUBPROC glad_glVertexAttrib4Nub = NULL; -PFNGLVERTEXATTRIB4NUBVPROC glad_glVertexAttrib4Nubv = NULL; -PFNGLVERTEXATTRIB4NUIVPROC glad_glVertexAttrib4Nuiv = NULL; -PFNGLVERTEXATTRIB4NUSVPROC glad_glVertexAttrib4Nusv = NULL; -PFNGLVERTEXATTRIB4BVPROC glad_glVertexAttrib4bv = NULL; -PFNGLVERTEXATTRIB4DPROC glad_glVertexAttrib4d = NULL; -PFNGLVERTEXATTRIB4DVPROC glad_glVertexAttrib4dv = NULL; -PFNGLVERTEXATTRIB4FPROC glad_glVertexAttrib4f = NULL; -PFNGLVERTEXATTRIB4FVPROC glad_glVertexAttrib4fv = NULL; -PFNGLVERTEXATTRIB4IVPROC glad_glVertexAttrib4iv = NULL; -PFNGLVERTEXATTRIB4SPROC glad_glVertexAttrib4s = NULL; -PFNGLVERTEXATTRIB4SVPROC glad_glVertexAttrib4sv = NULL; -PFNGLVERTEXATTRIB4UBVPROC glad_glVertexAttrib4ubv = NULL; -PFNGLVERTEXATTRIB4UIVPROC glad_glVertexAttrib4uiv = NULL; -PFNGLVERTEXATTRIB4USVPROC glad_glVertexAttrib4usv = NULL; -PFNGLVERTEXATTRIBDIVISORPROC glad_glVertexAttribDivisor = NULL; -PFNGLVERTEXATTRIBI1IPROC glad_glVertexAttribI1i = NULL; -PFNGLVERTEXATTRIBI1IVPROC glad_glVertexAttribI1iv = NULL; -PFNGLVERTEXATTRIBI1UIPROC glad_glVertexAttribI1ui = NULL; -PFNGLVERTEXATTRIBI1UIVPROC glad_glVertexAttribI1uiv = NULL; -PFNGLVERTEXATTRIBI2IPROC glad_glVertexAttribI2i = NULL; -PFNGLVERTEXATTRIBI2IVPROC glad_glVertexAttribI2iv = NULL; -PFNGLVERTEXATTRIBI2UIPROC glad_glVertexAttribI2ui = NULL; -PFNGLVERTEXATTRIBI2UIVPROC glad_glVertexAttribI2uiv = NULL; -PFNGLVERTEXATTRIBI3IPROC glad_glVertexAttribI3i = NULL; -PFNGLVERTEXATTRIBI3IVPROC glad_glVertexAttribI3iv = NULL; -PFNGLVERTEXATTRIBI3UIPROC glad_glVertexAttribI3ui = NULL; -PFNGLVERTEXATTRIBI3UIVPROC glad_glVertexAttribI3uiv = NULL; -PFNGLVERTEXATTRIBI4BVPROC glad_glVertexAttribI4bv = NULL; -PFNGLVERTEXATTRIBI4IPROC glad_glVertexAttribI4i = NULL; -PFNGLVERTEXATTRIBI4IVPROC glad_glVertexAttribI4iv = NULL; -PFNGLVERTEXATTRIBI4SVPROC glad_glVertexAttribI4sv = NULL; -PFNGLVERTEXATTRIBI4UBVPROC glad_glVertexAttribI4ubv = NULL; -PFNGLVERTEXATTRIBI4UIPROC glad_glVertexAttribI4ui = NULL; -PFNGLVERTEXATTRIBI4UIVPROC glad_glVertexAttribI4uiv = NULL; -PFNGLVERTEXATTRIBI4USVPROC glad_glVertexAttribI4usv = NULL; -PFNGLVERTEXATTRIBIPOINTERPROC glad_glVertexAttribIPointer = NULL; -PFNGLVERTEXATTRIBP1UIPROC glad_glVertexAttribP1ui = NULL; -PFNGLVERTEXATTRIBP1UIVPROC glad_glVertexAttribP1uiv = NULL; -PFNGLVERTEXATTRIBP2UIPROC glad_glVertexAttribP2ui = NULL; -PFNGLVERTEXATTRIBP2UIVPROC glad_glVertexAttribP2uiv = NULL; -PFNGLVERTEXATTRIBP3UIPROC glad_glVertexAttribP3ui = NULL; -PFNGLVERTEXATTRIBP3UIVPROC glad_glVertexAttribP3uiv = NULL; -PFNGLVERTEXATTRIBP4UIPROC glad_glVertexAttribP4ui = NULL; -PFNGLVERTEXATTRIBP4UIVPROC glad_glVertexAttribP4uiv = NULL; -PFNGLVERTEXATTRIBPOINTERPROC glad_glVertexAttribPointer = NULL; -PFNGLVIEWPORTPROC glad_glViewport = NULL; -PFNGLWAITSYNCPROC glad_glWaitSync = NULL; - - -static void glad_gl_load_GL_VERSION_1_0( GLADuserptrloadfunc load, void* userptr) { - if(!GLAD_GL_VERSION_1_0) return; - glad_glBlendFunc = (PFNGLBLENDFUNCPROC) load(userptr, "glBlendFunc"); - glad_glClear = (PFNGLCLEARPROC) load(userptr, "glClear"); - glad_glClearColor = (PFNGLCLEARCOLORPROC) load(userptr, "glClearColor"); - glad_glClearDepth = (PFNGLCLEARDEPTHPROC) load(userptr, "glClearDepth"); - glad_glClearStencil = (PFNGLCLEARSTENCILPROC) load(userptr, "glClearStencil"); - glad_glColorMask = (PFNGLCOLORMASKPROC) load(userptr, "glColorMask"); - glad_glCullFace = (PFNGLCULLFACEPROC) load(userptr, "glCullFace"); - glad_glDepthFunc = (PFNGLDEPTHFUNCPROC) load(userptr, "glDepthFunc"); - glad_glDepthMask = (PFNGLDEPTHMASKPROC) load(userptr, "glDepthMask"); - glad_glDepthRange = (PFNGLDEPTHRANGEPROC) load(userptr, "glDepthRange"); - glad_glDisable = (PFNGLDISABLEPROC) load(userptr, "glDisable"); - glad_glDrawBuffer = (PFNGLDRAWBUFFERPROC) load(userptr, "glDrawBuffer"); - glad_glEnable = (PFNGLENABLEPROC) load(userptr, "glEnable"); - glad_glFinish = (PFNGLFINISHPROC) load(userptr, "glFinish"); - glad_glFlush = (PFNGLFLUSHPROC) load(userptr, "glFlush"); - glad_glFrontFace = (PFNGLFRONTFACEPROC) load(userptr, "glFrontFace"); - glad_glGetBooleanv = (PFNGLGETBOOLEANVPROC) load(userptr, "glGetBooleanv"); - glad_glGetDoublev = (PFNGLGETDOUBLEVPROC) load(userptr, "glGetDoublev"); - glad_glGetError = (PFNGLGETERRORPROC) load(userptr, "glGetError"); - glad_glGetFloatv = (PFNGLGETFLOATVPROC) load(userptr, "glGetFloatv"); - glad_glGetIntegerv = (PFNGLGETINTEGERVPROC) load(userptr, "glGetIntegerv"); - glad_glGetString = (PFNGLGETSTRINGPROC) load(userptr, "glGetString"); - glad_glGetTexImage = (PFNGLGETTEXIMAGEPROC) load(userptr, "glGetTexImage"); - glad_glGetTexLevelParameterfv = (PFNGLGETTEXLEVELPARAMETERFVPROC) load(userptr, "glGetTexLevelParameterfv"); - glad_glGetTexLevelParameteriv = (PFNGLGETTEXLEVELPARAMETERIVPROC) load(userptr, "glGetTexLevelParameteriv"); - glad_glGetTexParameterfv = (PFNGLGETTEXPARAMETERFVPROC) load(userptr, "glGetTexParameterfv"); - glad_glGetTexParameteriv = (PFNGLGETTEXPARAMETERIVPROC) load(userptr, "glGetTexParameteriv"); - glad_glHint = (PFNGLHINTPROC) load(userptr, "glHint"); - glad_glIsEnabled = (PFNGLISENABLEDPROC) load(userptr, "glIsEnabled"); - glad_glLineWidth = (PFNGLLINEWIDTHPROC) load(userptr, "glLineWidth"); - glad_glLogicOp = (PFNGLLOGICOPPROC) load(userptr, "glLogicOp"); - glad_glPixelStoref = (PFNGLPIXELSTOREFPROC) load(userptr, "glPixelStoref"); - glad_glPixelStorei = (PFNGLPIXELSTOREIPROC) load(userptr, "glPixelStorei"); - glad_glPointSize = (PFNGLPOINTSIZEPROC) load(userptr, "glPointSize"); - glad_glPolygonMode = (PFNGLPOLYGONMODEPROC) load(userptr, "glPolygonMode"); - glad_glReadBuffer = (PFNGLREADBUFFERPROC) load(userptr, "glReadBuffer"); - glad_glReadPixels = (PFNGLREADPIXELSPROC) load(userptr, "glReadPixels"); - glad_glScissor = (PFNGLSCISSORPROC) load(userptr, "glScissor"); - glad_glStencilFunc = (PFNGLSTENCILFUNCPROC) load(userptr, "glStencilFunc"); - glad_glStencilMask = (PFNGLSTENCILMASKPROC) load(userptr, "glStencilMask"); - glad_glStencilOp = (PFNGLSTENCILOPPROC) load(userptr, "glStencilOp"); - glad_glTexImage1D = (PFNGLTEXIMAGE1DPROC) load(userptr, "glTexImage1D"); - glad_glTexImage2D = (PFNGLTEXIMAGE2DPROC) load(userptr, "glTexImage2D"); - glad_glTexParameterf = (PFNGLTEXPARAMETERFPROC) load(userptr, "glTexParameterf"); - glad_glTexParameterfv = (PFNGLTEXPARAMETERFVPROC) load(userptr, "glTexParameterfv"); - glad_glTexParameteri = (PFNGLTEXPARAMETERIPROC) load(userptr, "glTexParameteri"); - 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glad_glVertexAttribP4uiv = (PFNGLVERTEXATTRIBP4UIVPROC) load(userptr, "glVertexAttribP4uiv"); -} - - - -#if defined(GL_ES_VERSION_3_0) || defined(GL_VERSION_3_0) -#define GLAD_GL_IS_SOME_NEW_VERSION 1 -#else -#define GLAD_GL_IS_SOME_NEW_VERSION 0 -#endif - -static int glad_gl_get_extensions( int version, const char **out_exts, unsigned int *out_num_exts_i, char ***out_exts_i) { -#if GLAD_GL_IS_SOME_NEW_VERSION - if(GLAD_VERSION_MAJOR(version) < 3) { -#else - GLAD_UNUSED(version); - GLAD_UNUSED(out_num_exts_i); - GLAD_UNUSED(out_exts_i); -#endif - if (glad_glGetString == NULL) { - return 0; - } - *out_exts = (const char *)glad_glGetString(GL_EXTENSIONS); -#if GLAD_GL_IS_SOME_NEW_VERSION - } else { - unsigned int index = 0; - unsigned int num_exts_i = 0; - char **exts_i = NULL; - if (glad_glGetStringi == NULL || glad_glGetIntegerv == NULL) { - return 0; - } - glad_glGetIntegerv(GL_NUM_EXTENSIONS, (int*) &num_exts_i); - if (num_exts_i > 0) { - exts_i = (char **) malloc(num_exts_i * (sizeof *exts_i)); - } - if (exts_i == NULL) { - return 0; - } - for(index = 0; index < num_exts_i; index++) { - const char *gl_str_tmp = (const char*) glad_glGetStringi(GL_EXTENSIONS, index); - size_t len = strlen(gl_str_tmp) + 1; - - char *local_str = (char*) malloc(len * sizeof(char)); - if(local_str != NULL) { - memcpy(local_str, gl_str_tmp, len * sizeof(char)); - } - - exts_i[index] = local_str; - } - - *out_num_exts_i = num_exts_i; - *out_exts_i = exts_i; - } -#endif - return 1; -} -static void glad_gl_free_extensions(char **exts_i, unsigned int num_exts_i) { - if (exts_i != NULL) { - unsigned int index; - for(index = 0; index < num_exts_i; index++) { - free((void *) (exts_i[index])); - } - free((void *)exts_i); - exts_i = NULL; - } -} -static int glad_gl_has_extension(int version, const char *exts, unsigned int num_exts_i, char **exts_i, const char *ext) { - if(GLAD_VERSION_MAJOR(version) < 3 || !GLAD_GL_IS_SOME_NEW_VERSION) { - const char *extensions; - const char *loc; - const char *terminator; - extensions = exts; - if(extensions == NULL || ext == NULL) { - return 0; - } - while(1) { - loc = strstr(extensions, ext); - if(loc == NULL) { - return 0; - } - terminator = loc + strlen(ext); - if((loc == extensions || *(loc - 1) == ' ') && - (*terminator == ' ' || *terminator == '\0')) { - return 1; - } - extensions = terminator; - } - } else { - unsigned int index; - for(index = 0; index < num_exts_i; index++) { - const char *e = exts_i[index]; - if(strcmp(e, ext) == 0) { - return 1; - } - } - } - return 0; -} - -static GLADapiproc glad_gl_get_proc_from_userptr(void *userptr, const char* name) { - return (GLAD_GNUC_EXTENSION (GLADapiproc (*)(const char *name)) userptr)(name); -} - -static int glad_gl_find_extensions_gl( int version) { - const char *exts = NULL; - unsigned int num_exts_i = 0; - char **exts_i = NULL; - if (!glad_gl_get_extensions(version, &exts, &num_exts_i, &exts_i)) return 0; - - GLAD_GL_EXT_texture_filter_anisotropic = glad_gl_has_extension(version, exts, num_exts_i, exts_i, "GL_EXT_texture_filter_anisotropic"); - - glad_gl_free_extensions(exts_i, num_exts_i); - - return 1; -} - -static int glad_gl_find_core_gl(void) { - int i; - const char* version; - const char* prefixes[] = { - "OpenGL ES-CM ", - "OpenGL ES-CL ", - "OpenGL ES ", - "OpenGL SC ", - NULL - }; - int major = 0; - int minor = 0; - version = (const char*) glad_glGetString(GL_VERSION); - if (!version) return 0; - for (i = 0; prefixes[i]; i++) { - const size_t length = strlen(prefixes[i]); - if (strncmp(version, prefixes[i], length) == 0) { - version += length; - break; - } - } - - GLAD_IMPL_UTIL_SSCANF(version, "%d.%d", &major, &minor); - - GLAD_GL_VERSION_1_0 = (major == 1 && minor >= 0) || major > 1; - GLAD_GL_VERSION_1_1 = (major == 1 && minor >= 1) || major > 1; - GLAD_GL_VERSION_1_2 = (major == 1 && minor >= 2) || major > 1; - GLAD_GL_VERSION_1_3 = (major == 1 && minor >= 3) || major > 1; - GLAD_GL_VERSION_1_4 = (major == 1 && minor >= 4) || major > 1; - GLAD_GL_VERSION_1_5 = (major == 1 && minor >= 5) || major > 1; - GLAD_GL_VERSION_2_0 = (major == 2 && minor >= 0) || major > 2; - GLAD_GL_VERSION_2_1 = (major == 2 && minor >= 1) || major > 2; - GLAD_GL_VERSION_3_0 = (major == 3 && minor >= 0) || major > 3; - GLAD_GL_VERSION_3_1 = (major == 3 && minor >= 1) || major > 3; - GLAD_GL_VERSION_3_2 = (major == 3 && minor >= 2) || major > 3; - GLAD_GL_VERSION_3_3 = (major == 3 && minor >= 3) || major > 3; - - return GLAD_MAKE_VERSION(major, minor); -} - -int gladLoadGLUserPtr( GLADuserptrloadfunc load, void *userptr) { - int version; - - glad_glGetString = (PFNGLGETSTRINGPROC) load(userptr, "glGetString"); - if(glad_glGetString == NULL) return 0; - if(glad_glGetString(GL_VERSION) == NULL) return 0; - version = glad_gl_find_core_gl(); - - glad_gl_load_GL_VERSION_1_0(load, userptr); - glad_gl_load_GL_VERSION_1_1(load, userptr); - glad_gl_load_GL_VERSION_1_2(load, userptr); - glad_gl_load_GL_VERSION_1_3(load, userptr); - glad_gl_load_GL_VERSION_1_4(load, userptr); - glad_gl_load_GL_VERSION_1_5(load, userptr); - glad_gl_load_GL_VERSION_2_0(load, userptr); - glad_gl_load_GL_VERSION_2_1(load, userptr); - glad_gl_load_GL_VERSION_3_0(load, userptr); - glad_gl_load_GL_VERSION_3_1(load, userptr); - glad_gl_load_GL_VERSION_3_2(load, userptr); - glad_gl_load_GL_VERSION_3_3(load, userptr); - - if (!glad_gl_find_extensions_gl(version)) return 0; - - - - return version; -} - - -int gladLoadGL( GLADloadfunc load) { - return gladLoadGLUserPtr( glad_gl_get_proc_from_userptr, GLAD_GNUC_EXTENSION (void*) load); -} - - - - - - -#ifdef __cplusplus -} -#endif diff --git a/subprojects/glfw b/subprojects/glfw deleted file mode 160000 -Subproject 7482de6071d21db77a7236155da44c172a7f6c9 diff --git a/subprojects/glm b/subprojects/glm deleted file mode 160000 -Subproject 586a402397dd35d66d7a079049856d1e2cbab30 diff --git a/subprojects/janus.wrap b/subprojects/janus.wrap new file mode 100644 index 0000000..4565144 --- /dev/null +++ b/subprojects/janus.wrap @@ -0,0 +1,6 @@ +[wrap-git] +url = https://github.com/dmulholl/argspp.git +revision = 69c01373399ab28c6090728c032226d4dc56dccf +depth = 1 +patch_directory = janus +diff_files = janus/compiler_warnings.diff, janus/wparse.diff diff --git a/subprojects/json b/subprojects/json deleted file mode 160000 -Subproject bc889afb4c5bf1c0d8ee29ef35eaaf4c8bef8a5 diff --git a/subprojects/json.wrap b/subprojects/json.wrap new file mode 100644 index 0000000..ba8056c --- /dev/null +++ b/subprojects/json.wrap @@ -0,0 +1,4 @@ +[wrap-git] +url = https://github.com/nlohmann/json.git +revision = 6eab7a2b187b10b2494e39c1961750bfd1bda500 +depth = 1 diff --git a/subprojects/libakiyo.wrap b/subprojects/libakiyo.wrap new file mode 100644 index 0000000..2cd2caa --- /dev/null +++ b/subprojects/libakiyo.wrap @@ -0,0 +1,4 @@ +[wrap-git] +url = https://git.akon.city/libakiyo +revision = master +depth = 1 diff --git a/subprojects/libalabaster.wrap b/subprojects/libalabaster.wrap new file mode 100644 index 0000000..c0358cf --- /dev/null +++ b/subprojects/libalabaster.wrap @@ -0,0 +1,4 @@ +[wrap-git] +url = https://git.akon.city/libalabaster +revision = master +depth = 1 diff --git a/subprojects/lz4.wrap b/subprojects/lz4.wrap new file mode 100644 index 0000000..7de9716 --- /dev/null +++ b/subprojects/lz4.wrap @@ -0,0 +1,6 @@ +[wrap-git] +url = https://github.com/lz4/lz4.git +revision = 4032c8c787e640f6cb217b89ee8057949bea1b01 +depth = 1 +patch_directory = lz4 +diff_files = lz4/move_meson_build.diff diff --git a/subprojects/lz4/meson.build b/subprojects/lz4/meson.build deleted file mode 100644 index 00a68a2..0000000 --- a/subprojects/lz4/meson.build +++ /dev/null @@ -1,13 +0,0 @@ -project('lz4', 'c') - -compiler = meson.get_compiler('cpp') - -is_msvc = compiler.get_id() == 'msvc' or compiler.get_id() == 'clang-cl' - -if is_msvc - lz4_lib = compiler.find_library('lz4_static', - dirs: [join_paths(meson.current_source_dir(), 'static')]) - lz4 = declare_dependency(dependencies: lz4_lib, include_directories: include_directories('include')) -else - lz4 = compiler.find_library('lz4') -endif diff --git a/subprojects/packagefiles/janus/compiler_warnings.diff b/subprojects/packagefiles/janus/compiler_warnings.diff new file mode 100644 index 0000000..a5f07c1 --- /dev/null +++ b/subprojects/packagefiles/janus/compiler_warnings.diff @@ -0,0 +1,40 @@ +diff --git a/src/janus.cpp b/src/janus.cpp +index d1ee260..d3f4cee 100644 +--- a/src/janus.cpp ++++ b/src/janus.cpp +@@ -21,10 +21,10 @@ using namespace janus; + static int tryStringToInt(string const& arg) { + try { + return stoi(arg); +- } catch (invalid_argument) { ++ } catch (std::invalid_argument const&) { + cerr << "Error: cannot parse '" << arg << "' as an integer.\n"; + exit(1); +- } catch (out_of_range) { ++ } catch (std::out_of_range const&) { + cerr << "Error: " << arg << " is out of range.\n"; + exit(1); + } +@@ -34,11 +34,11 @@ static int tryStringToInt(string const& arg) { + static double tryStringToDouble(string const& arg) { + try { + return stod(arg); +- } catch (invalid_argument) { ++ } catch (std::invalid_argument const&) { + cerr << "Error: cannot parse '" << arg << "' "; + cerr << "as a floating-point value.\n"; + exit(1); +- } catch (out_of_range) { ++ } catch (std::out_of_range const&) { + cerr << "Error: " << arg << " is out of range.\n"; + exit(1); + } +@@ -219,6 +219,8 @@ int ArgParser::lenList(string const& name) { + return options[name]->ints.size(); + case OptionType::Double: + return options[name]->doubles.size(); ++ default: ++ return -1; + } + } + diff --git a/subprojects/packagefiles/janus/meson.build b/subprojects/packagefiles/janus/meson.build new file mode 100644 index 0000000..abbea21 --- /dev/null +++ b/subprojects/packagefiles/janus/meson.build @@ -0,0 +1,5 @@ +project('janus', 'cpp', version: '0.7.0') + +janus_inc = include_directories('./src') +janus_lib = static_library('janus', 'src/janus.cpp', include_directories: janus_inc) +janus = declare_dependency(link_with: janus_lib, include_directories: janus_inc) diff --git a/subprojects/packagefiles/janus/wparse.diff b/subprojects/packagefiles/janus/wparse.diff new file mode 100644 index 0000000..f3034df --- /dev/null +++ b/subprojects/packagefiles/janus/wparse.diff @@ -0,0 +1,32 @@ +diff --git a/src/janus.cpp b/src/janus.cpp +index d1ee260..a303b30 100644 +--- a/src/janus.cpp ++++ b/src/janus.cpp +@@ -534,6 +536,15 @@ void ArgParser::parse(int argc, char **argv) { + parse(stream); + } + ++void ArgParser::wparse(int argc, wchar_t **argv) { ++ ArgStream stream; ++ for (int i = 1; i < argc; i++) { ++ wstring ws(argv[i]); ++ stream.append(string(ws.begin(), ws.end())); ++ } ++ parse(stream); ++} ++ + + // ----------------------------------------------------------------------------- + // ArgParser: utilities. +diff --git a/src/janus.h b/src/janus.h +index 37bd956..a049b72 100644 +--- a/src/janus.h ++++ b/src/janus.h +@@ -46,6 +46,7 @@ namespace janus { + + // Parse command line arguments. + void parse(int argc, char **argv); ++ void wparse(int argc, wchar_t **argv); + + // Returns true if the named option was found while parsing. + bool found(std::string const& name); diff --git a/subprojects/packagefiles/lz4/move_meson_build.diff b/subprojects/packagefiles/lz4/move_meson_build.diff new file mode 100644 index 0000000..9c5841f --- /dev/null +++ b/subprojects/packagefiles/lz4/move_meson_build.diff @@ -0,0 +1,26 @@ +diff --git a/build/meson/meson.build b/meson.build +similarity index 89% +rename from build/meson/meson.build +rename to meson.build +index fc6408a..3d0785a 100644 +--- a/build/meson/meson.build ++++ b/meson.build +@@ -21,11 +21,11 @@ project( + 'warning_level=3' + ], + version: run_command( +- find_program('GetLz4LibraryVersion.py'), +- '../../lib/lz4.h', ++ find_program('build/meson/GetLz4LibraryVersion.py'), ++ 'lib/lz4.h', + check: true + ).stdout().strip(), + meson_version: '>=0.58.0' + ) + +-subdir('meson') ++subdir('build/meson/meson') +diff --git a/build/meson/meson_options.txt b/meson_options.txt +similarity index 100% +rename from build/meson/meson_options.txt +rename to meson_options.txt diff --git a/subprojects/packagefiles/s3tc-dxt-decompression/compiler_warnings.diff b/subprojects/packagefiles/s3tc-dxt-decompression/compiler_warnings.diff new file mode 100644 index 0000000..7d84683 --- /dev/null +++ b/subprojects/packagefiles/s3tc-dxt-decompression/compiler_warnings.diff @@ -0,0 +1,26 @@ +diff --git a/s3tc.cpp b/s3tc.cpp +index f2642fc..66b0029 100644 +--- a/s3tc.cpp ++++ b/s3tc.cpp +@@ -105,8 +105,8 @@ void BlockDecompressImageDXT1(uint32_t width, uint32_t height, const uint8_t *bl + { + uint32_t blockCountX = (width + 3) / 4; + uint32_t blockCountY = (height + 3) / 4; +- uint32_t blockWidth = (width < 4) ? width : 4; +- uint32_t blockHeight = (height < 4) ? height : 4; ++ //uint32_t blockWidth = (width < 4) ? width : 4; ++ //uint32_t blockHeight = (height < 4) ? height : 4; + + for (uint32_t j = 0; j < blockCountY; j++) + { +@@ -236,8 +236,8 @@ void BlockDecompressImageDXT5(uint32_t width, uint32_t height, const uint8_t *bl + { + uint32_t blockCountX = (width + 3) / 4; + uint32_t blockCountY = (height + 3) / 4; +- uint32_t blockWidth = (width < 4) ? width : 4; +- uint32_t blockHeight = (height < 4) ? height : 4; ++ //uint32_t blockWidth = (width < 4) ? width : 4; ++ //uint32_t blockHeight = (height < 4) ? height : 4; + + for (uint32_t j = 0; j < blockCountY; j++) + { diff --git a/subprojects/packagefiles/s3tc-dxt-decompression/explicit_type_sizes.diff b/subprojects/packagefiles/s3tc-dxt-decompression/explicit_type_sizes.diff new file mode 100644 index 0000000..52cdae3 --- /dev/null +++ b/subprojects/packagefiles/s3tc-dxt-decompression/explicit_type_sizes.diff @@ -0,0 +1,273 @@ +diff --git a/s3tc.cpp b/s3tc.cpp +index a5618c0..f2642fc 100644 +--- a/s3tc.cpp ++++ b/s3tc.cpp +@@ -1,53 +1,55 @@ +-// unsigned long PackRGBA(): Helper method that packs RGBA channels into a single 4 byte pixel. ++#include "s3tc.h" ++ ++// uint32_t PackRGBA(): Helper method that packs RGBA channels into a single 4 byte pixel. + // +-// unsigned char r: red channel. +-// unsigned char g: green channel. +-// unsigned char b: blue channel. +-// unsigned char a: alpha channel. ++// uint8_t r: red channel. ++// uint8_t g: green channel. ++// uint8_t b: blue channel. ++// uint8_t a: alpha channel. + +-unsigned long PackRGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a) ++uint32_t PackRGBA(uint8_t r, uint8_t g, uint8_t b, uint8_t a) + { + return ((r << 24) | (g << 16) | (b << 8) | a); + } + + // void DecompressBlockDXT1(): Decompresses one block of a DXT1 texture and stores the resulting pixels at the appropriate offset in 'image'. + // +-// unsigned long x: x-coordinate of the first pixel in the block. +-// unsigned long y: y-coordinate of the first pixel in the block. +-// unsigned long width: width of the texture being decompressed. +-// unsigned long height: height of the texture being decompressed. +-// const unsigned char *blockStorage: pointer to the block to decompress. +-// unsigned long *image: pointer to image where the decompressed pixel data should be stored. +- +-void DecompressBlockDXT1(unsigned long x, unsigned long y, unsigned long width, const unsigned char *blockStorage, unsigned long *image) ++// uint32_t x: x-coordinate of the first pixel in the block. ++// uint32_t y: y-coordinate of the first pixel in the block. ++// uint32_t width: width of the texture being decompressed. ++// uint32_t height: height of the texture being decompressed. ++// const uint8_t *blockStorage: pointer to the block to decompress. ++// uint32_t *image: pointer to image where the decompressed pixel data should be stored. ++ ++void DecompressBlockDXT1(uint32_t x, uint32_t y, uint32_t width, const uint8_t *blockStorage, uint32_t *image) + { +- unsigned short color0 = *reinterpret_cast<const unsigned short *>(blockStorage); +- unsigned short color1 = *reinterpret_cast<const unsigned short *>(blockStorage + 2); ++ uint16_t color0 = *reinterpret_cast<const uint16_t *>(blockStorage); ++ uint16_t color1 = *reinterpret_cast<const uint16_t *>(blockStorage + 2); + +- unsigned long temp; ++ uint32_t temp; + + temp = (color0 >> 11) * 255 + 16; +- unsigned char r0 = (unsigned char)((temp/32 + temp)/32); ++ uint8_t r0 = (uint8_t)((temp/32 + temp)/32); + temp = ((color0 & 0x07E0) >> 5) * 255 + 32; +- unsigned char g0 = (unsigned char)((temp/64 + temp)/64); ++ uint8_t g0 = (uint8_t)((temp/64 + temp)/64); + temp = (color0 & 0x001F) * 255 + 16; +- unsigned char b0 = (unsigned char)((temp/32 + temp)/32); ++ uint8_t b0 = (uint8_t)((temp/32 + temp)/32); + + temp = (color1 >> 11) * 255 + 16; +- unsigned char r1 = (unsigned char)((temp/32 + temp)/32); ++ uint8_t r1 = (uint8_t)((temp/32 + temp)/32); + temp = ((color1 & 0x07E0) >> 5) * 255 + 32; +- unsigned char g1 = (unsigned char)((temp/64 + temp)/64); ++ uint8_t g1 = (uint8_t)((temp/64 + temp)/64); + temp = (color1 & 0x001F) * 255 + 16; +- unsigned char b1 = (unsigned char)((temp/32 + temp)/32); ++ uint8_t b1 = (uint8_t)((temp/32 + temp)/32); + +- unsigned long code = *reinterpret_cast<const unsigned long *>(blockStorage + 4); ++ uint32_t code = *reinterpret_cast<const uint32_t *>(blockStorage + 4); + +- for (int j=0; j < 4; j++) ++ for (int32_t j=0; j < 4; j++) + { +- for (int i=0; i < 4; i++) ++ for (int32_t i=0; i < 4; i++) + { +- unsigned long finalColor = 0; +- unsigned char positionCode = (code >> 2*(4*j+i)) & 0x03; ++ uint32_t finalColor = 0; ++ uint8_t positionCode = (code >> 2*(4*j+i)) & 0x03; + + if (color0 > color1) + { +@@ -94,70 +96,70 @@ void DecompressBlockDXT1(unsigned long x, unsigned long y, unsigned long width, + + // void BlockDecompressImageDXT1(): Decompresses all the blocks of a DXT1 compressed texture and stores the resulting pixels in 'image'. + // +-// unsigned long width: Texture width. +-// unsigned long height: Texture height. +-// const unsigned char *blockStorage: pointer to compressed DXT1 blocks. +-// unsigned long *image: pointer to the image where the decompressed pixels will be stored. ++// uint32_t width: Texture width. ++// uint32_t height: Texture height. ++// const uint8_t *blockStorage: pointer to compressed DXT1 blocks. ++// uint32_t *image: pointer to the image where the decompressed pixels will be stored. + +-void BlockDecompressImageDXT1(unsigned long width, unsigned long height, const unsigned char *blockStorage, unsigned long *image) ++void BlockDecompressImageDXT1(uint32_t width, uint32_t height, const uint8_t *blockStorage, uint32_t *image) + { +- unsigned long blockCountX = (width + 3) / 4; +- unsigned long blockCountY = (height + 3) / 4; +- unsigned long blockWidth = (width < 4) ? width : 4; +- unsigned long blockHeight = (height < 4) ? height : 4; ++ uint32_t blockCountX = (width + 3) / 4; ++ uint32_t blockCountY = (height + 3) / 4; ++ uint32_t blockWidth = (width < 4) ? width : 4; ++ uint32_t blockHeight = (height < 4) ? height : 4; + +- for (unsigned long j = 0; j < blockCountY; j++) ++ for (uint32_t j = 0; j < blockCountY; j++) + { +- for (unsigned long i = 0; i < blockCountX; i++) DecompressBlockDXT1(i*4, j*4, width, blockStorage + i * 8, image); ++ for (uint32_t i = 0; i < blockCountX; i++) DecompressBlockDXT1(i*4, j*4, width, blockStorage + i * 8, image); + blockStorage += blockCountX * 8; + } + } + + // void DecompressBlockDXT5(): Decompresses one block of a DXT5 texture and stores the resulting pixels at the appropriate offset in 'image'. + // +-// unsigned long x: x-coordinate of the first pixel in the block. +-// unsigned long y: y-coordinate of the first pixel in the block. +-// unsigned long width: width of the texture being decompressed. +-// unsigned long height: height of the texture being decompressed. +-// const unsigned char *blockStorage: pointer to the block to decompress. +-// unsigned long *image: pointer to image where the decompressed pixel data should be stored. +- +-void DecompressBlockDXT5(unsigned long x, unsigned long y, unsigned long width, const unsigned char *blockStorage, unsigned long *image) ++// uint32_t x: x-coordinate of the first pixel in the block. ++// uint32_t y: y-coordinate of the first pixel in the block. ++// uint32_t width: width of the texture being decompressed. ++// uint32_t height: height of the texture being decompressed. ++// const uint8_t *blockStorage: pointer to the block to decompress. ++// uint32_t *image: pointer to image where the decompressed pixel data should be stored. ++ ++void DecompressBlockDXT5(uint32_t x, uint32_t y, uint32_t width, const uint8_t *blockStorage, uint32_t *image) + { +- unsigned char alpha0 = *reinterpret_cast<const unsigned char *>(blockStorage); +- unsigned char alpha1 = *reinterpret_cast<const unsigned char *>(blockStorage + 1); ++ uint8_t alpha0 = *reinterpret_cast<const uint8_t *>(blockStorage); ++ uint8_t alpha1 = *reinterpret_cast<const uint8_t *>(blockStorage + 1); + +- const unsigned char *bits = blockStorage + 2; +- unsigned long alphaCode1 = bits[2] | (bits[3] << 8) | (bits[4] << 16) | (bits[5] << 24); +- unsigned short alphaCode2 = bits[0] | (bits[1] << 8); ++ const uint8_t *bits = blockStorage + 2; ++ uint32_t alphaCode1 = bits[2] | (bits[3] << 8) | (bits[4] << 16) | (bits[5] << 24); ++ uint16_t alphaCode2 = bits[0] | (bits[1] << 8); + +- unsigned short color0 = *reinterpret_cast<const unsigned short *>(blockStorage + 8); +- unsigned short color1 = *reinterpret_cast<const unsigned short *>(blockStorage + 10); ++ uint16_t color0 = *reinterpret_cast<const uint16_t *>(blockStorage + 8); ++ uint16_t color1 = *reinterpret_cast<const uint16_t *>(blockStorage + 10); + +- unsigned long temp; ++ uint32_t temp; + + temp = (color0 >> 11) * 255 + 16; +- unsigned char r0 = (unsigned char)((temp/32 + temp)/32); ++ uint8_t r0 = (uint8_t)((temp/32 + temp)/32); + temp = ((color0 & 0x07E0) >> 5) * 255 + 32; +- unsigned char g0 = (unsigned char)((temp/64 + temp)/64); ++ uint8_t g0 = (uint8_t)((temp/64 + temp)/64); + temp = (color0 & 0x001F) * 255 + 16; +- unsigned char b0 = (unsigned char)((temp/32 + temp)/32); ++ uint8_t b0 = (uint8_t)((temp/32 + temp)/32); + + temp = (color1 >> 11) * 255 + 16; +- unsigned char r1 = (unsigned char)((temp/32 + temp)/32); ++ uint8_t r1 = (uint8_t)((temp/32 + temp)/32); + temp = ((color1 & 0x07E0) >> 5) * 255 + 32; +- unsigned char g1 = (unsigned char)((temp/64 + temp)/64); ++ uint8_t g1 = (uint8_t)((temp/64 + temp)/64); + temp = (color1 & 0x001F) * 255 + 16; +- unsigned char b1 = (unsigned char)((temp/32 + temp)/32); ++ uint8_t b1 = (uint8_t)((temp/32 + temp)/32); + +- unsigned long code = *reinterpret_cast<const unsigned long *>(blockStorage + 12); ++ uint32_t code = *reinterpret_cast<const uint32_t *>(blockStorage + 12); + +- for (int j=0; j < 4; j++) ++ for (int32_t j=0; j < 4; j++) + { +- for (int i=0; i < 4; i++) ++ for (int32_t i=0; i < 4; i++) + { +- int alphaCodeIndex = 3*(4*j+i); +- int alphaCode; ++ int32_t alphaCodeIndex = 3*(4*j+i); ++ int32_t alphaCode; + + if (alphaCodeIndex <= 12) + { +@@ -172,7 +174,7 @@ void DecompressBlockDXT5(unsigned long x, unsigned long y, unsigned long width, + alphaCode = (alphaCode1 >> (alphaCodeIndex - 16)) & 0x07; + } + +- unsigned char finalAlpha; ++ uint8_t finalAlpha; + if (alphaCode == 0) + { + finalAlpha = alpha0; +@@ -198,9 +200,9 @@ void DecompressBlockDXT5(unsigned long x, unsigned long y, unsigned long width, + } + } + +- unsigned char colorCode = (code >> 2*(4*j+i)) & 0x03; ++ uint8_t colorCode = (code >> 2*(4*j+i)) & 0x03; + +- unsigned long finalColor; ++ uint32_t finalColor; + switch (colorCode) + { + case 0: +@@ -225,21 +227,21 @@ void DecompressBlockDXT5(unsigned long x, unsigned long y, unsigned long width, + + // void BlockDecompressImageDXT5(): Decompresses all the blocks of a DXT5 compressed texture and stores the resulting pixels in 'image'. + // +-// unsigned long width: Texture width. +-// unsigned long height: Texture height. +-// const unsigned char *blockStorage: pointer to compressed DXT5 blocks. +-// unsigned long *image: pointer to the image where the decompressed pixels will be stored. ++// uint32_t width: Texture width. ++// uint32_t height: Texture height. ++// const uint8_t *blockStorage: pointer to compressed DXT5 blocks. ++// uint32_t *image: pointer to the image where the decompressed pixels will be stored. + +-void BlockDecompressImageDXT5(unsigned long width, unsigned long height, const unsigned char *blockStorage, unsigned long *image) ++void BlockDecompressImageDXT5(uint32_t width, uint32_t height, const uint8_t *blockStorage, uint32_t *image) + { +- unsigned long blockCountX = (width + 3) / 4; +- unsigned long blockCountY = (height + 3) / 4; +- unsigned long blockWidth = (width < 4) ? width : 4; +- unsigned long blockHeight = (height < 4) ? height : 4; ++ uint32_t blockCountX = (width + 3) / 4; ++ uint32_t blockCountY = (height + 3) / 4; ++ uint32_t blockWidth = (width < 4) ? width : 4; ++ uint32_t blockHeight = (height < 4) ? height : 4; + +- for (unsigned long j = 0; j < blockCountY; j++) ++ for (uint32_t j = 0; j < blockCountY; j++) + { +- for (unsigned long i = 0; i < blockCountX; i++) DecompressBlockDXT5(i*4, j*4, width, blockStorage + i * 16, image); ++ for (uint32_t i = 0; i < blockCountX; i++) DecompressBlockDXT5(i*4, j*4, width, blockStorage + i * 16, image); + blockStorage += blockCountX * 16; + } + } +diff --git a/s3tc.h b/s3tc.h +index 08a9d05..65d39ba 100644 +--- a/s3tc.h ++++ b/s3tc.h +@@ -1,10 +1,12 @@ + #ifndef S3TC_H + #define S3TC_H + +-unsigned long PackRGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a); +-void DecompressBlockDXT1(unsigned long x, unsigned long y, unsigned long width, const unsigned char *blockStorage, unsigned long *image); +-void BlockDecompressImageDXT1(unsigned long width, unsigned long height, const unsigned char *blockStorage, unsigned long *image); +-void DecompressBlockDXT5(unsigned long x, unsigned long y, unsigned long width, const unsigned char *blockStorage, unsigned long *image); +-void BlockDecompressImageDXT5(unsigned long width, unsigned long height, const unsigned char *blockStorage, unsigned long *image); ++#include <stdint.h> ++ ++uint32_t PackRGBA(uint8_t r, uint8_t g, uint8_t b, uint8_t a); ++void DecompressBlockDXT1(uint32_t x, uint32_t y, uint32_t width, const uint8_t *blockStorage, uint32_t *image); ++void BlockDecompressImageDXT1(uint32_t width, uint32_t height, const uint8_t *blockStorage, uint32_t *image); ++void DecompressBlockDXT5(uint32_t x, uint32_t y, uint32_t width, const uint8_t *blockStorage, uint32_t *image); ++void BlockDecompressImageDXT5(uint32_t width, uint32_t height, const uint8_t *blockStorage, uint32_t *image); + + #endif // S3TC_H diff --git a/subprojects/s3tc-dxt-decompression/meson.build b/subprojects/packagefiles/s3tc-dxt-decompression/meson.build index 734aa23..cffe15e 100644 --- a/subprojects/s3tc-dxt-decompression/meson.build +++ b/subprojects/packagefiles/s3tc-dxt-decompression/meson.build @@ -1,4 +1,4 @@ -project('s3tc', 'cpp', version: 'git-d3a8c52') +project('s3tc', 'cpp', version: 'git-17074c2') s3tc_inc = include_directories('.') s3tc_lib = static_library('s3tc', 's3tc.cpp', include_directories: s3tc_inc) diff --git a/subprojects/packagefiles/stb/meson.build b/subprojects/packagefiles/stb/meson.build new file mode 100644 index 0000000..e712682 --- /dev/null +++ b/subprojects/packagefiles/stb/meson.build @@ -0,0 +1,2 @@ +project('stb', 'c', version: 'git-31707d1') +stb = declare_dependency(include_directories: include_directories('.')) diff --git a/subprojects/s3tc-dxt-decompression.wrap b/subprojects/s3tc-dxt-decompression.wrap new file mode 100644 index 0000000..2a0c5d4 --- /dev/null +++ b/subprojects/s3tc-dxt-decompression.wrap @@ -0,0 +1,6 @@ +[wrap-git] +url = https://github.com/Benjamin-Dobell/s3tc-dxt-decompression.git +revision = 17074c22c7857cfc4e843a07e99519a09c3a563f +depth = 1 +patch_directory = s3tc-dxt-decompression +diff_files = s3tc-dxt-decompression/explicit_type_sizes.diff, s3tc-dxt-decompression/compiler_warnings.diff diff --git a/subprojects/s3tc-dxt-decompression/LICENSE b/subprojects/s3tc-dxt-decompression/LICENSE deleted file mode 100644 index 883ae60..0000000 --- a/subprojects/s3tc-dxt-decompression/LICENSE +++ /dev/null @@ -1,19 +0,0 @@ -Copyright (c) 2009 Benjamin Dobell, Glass Echidna - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. diff --git a/subprojects/s3tc-dxt-decompression/README.md b/subprojects/s3tc-dxt-decompression/README.md deleted file mode 100644 index 2f1b257..0000000 --- a/subprojects/s3tc-dxt-decompression/README.md +++ /dev/null @@ -1,289 +0,0 @@ -# S3TC DXT1/DXT5 Texture Decompression - -This is the reposting of some S3TC DXT texture decompression routines that I wrote and published to an old blog in 2009. - -## Why republish? - -I hadn't thought about these routines in a very long time, but I recently discovered my name in some Amazon Fire copyright notices and traced the notice back to these routines, or a derivative thereof, being include in [ffmpeg](https://github.com/FFmpeg/FFmpeg/blob/master/libavcodec/texturedsp.c), which I thought was pretty nifty. Completely coincidentally, the very next day I received an email asking about these very same routines. I figured that was a sign that I should share these routines again via a more modern mechanism. - -## (Dual) License - -When using these routines, feel free to chose one of either: - -* My original worded "license" (which was intended to be essentially public domain). -* The MIT license - -My original worded "license" was intended to be extremely permissive and does not require attribution. However, given it is highly non-standard (not checked over by a lawyer) then that may lead to ambiguity. If you need something a bit more solid then the MIT license ought to meet your needs. - -## Original Blog Post - -_October 21st, 2009_ - -> Earlier this year I offered to write the [S3TC](http://en.wikipedia.org/wiki/S3_Texture_Compression) decompression routines that allowed texture exporting functionality to be included in the ‘Collada Exporter’ plug-in for the [C4 Engine](http://www.terathon.com/c4engine/index.php). After doing a bit of research I was pointed towards the [perfect resource](http://www.opengl.org/registry/specs/EXT/texture_compression_s3tc.txt) by C4’s creator, Eric Lengyel. Any information I’d found prior to this made the process sound a bit convoluted but after looking over the reference I was able to write the decompression routines with relative ease. -> -> I basically forgot about these routines until a couple of days ago when the question of how to decompress S3TC (specifically DXT1 and DXT5) textures was brought up on the [XNA Creators Club](http://creators.xna.com/) forums. As a result I’ve decided to release the methods that I wrote. In order to ensure the code compiled fine in any project I’ve removed all the C4 specific data-types and methods, and I’ve made no use of any methods that aren’t included. As a result things became a little messier, hopefully the code is still understandable. Without further ado here are my C++ methods to decompress DXT1 and DXT5 textures: -> -> I’m still in the midst of writing an entry on iPhone, ASP .NET, Linux and Mono so if you’re at all interested check back here in a few days. - -**Note:** _Although the C++ routines are reproduced below (as in the original blog post), they're also available in `s3tc.cpp`._ - -```cpp -// -------------------------------------------------------------------------------- -// S3TC DXT1 / DXT5 Texture Decompression Routines -// Author: Benjamin Dobell - http://www.glassechidna.com.au -// -// Feel free to use these methods in any open-source, freeware or commercial -// projects. It's not necessary to credit me however I would be grateful if you -// chose to do so. I'll also be very interested to hear what projects make use of -// this code. Feel free to drop me a line via the contact form on the Glass Echidna -// website. -// -// NOTE: The code was written for a little endian system where sizeof(long) == 4. -// -------------------------------------------------------------------------------- - -// unsigned long PackRGBA(): Helper method that packs RGBA channels into a single 4 byte pixel. -// -// unsigned char r: red channel. -// unsigned char g: green channel. -// unsigned char b: blue channel. -// unsigned char a: alpha channel. - -unsigned long PackRGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a) -{ - return ((r << 24) | (g << 16) | (b << 8) | a); -} - -// void DecompressBlockDXT1(): Decompresses one block of a DXT1 texture and stores the resulting pixels at the appropriate offset in 'image'. -// -// unsigned long x: x-coordinate of the first pixel in the block. -// unsigned long y: y-coordinate of the first pixel in the block. -// unsigned long width: width of the texture being decompressed. -// unsigned long height: height of the texture being decompressed. -// const unsigned char *blockStorage: pointer to the block to decompress. -// unsigned long *image: pointer to image where the decompressed pixel data should be stored. - -void DecompressBlockDXT1(unsigned long x, unsigned long y, unsigned long width, const unsigned char *blockStorage, unsigned long *image) -{ - unsigned short color0 = *reinterpret_cast<const unsigned short *>(blockStorage); - unsigned short color1 = *reinterpret_cast<const unsigned short *>(blockStorage + 2); - - unsigned long temp; - - temp = (color0 >> 11) * 255 + 16; - unsigned char r0 = (unsigned char)((temp/32 + temp)/32); - temp = ((color0 & 0x07E0) >> 5) * 255 + 32; - unsigned char g0 = (unsigned char)((temp/64 + temp)/64); - temp = (color0 & 0x001F) * 255 + 16; - unsigned char b0 = (unsigned char)((temp/32 + temp)/32); - - temp = (color1 >> 11) * 255 + 16; - unsigned char r1 = (unsigned char)((temp/32 + temp)/32); - temp = ((color1 & 0x07E0) >> 5) * 255 + 32; - unsigned char g1 = (unsigned char)((temp/64 + temp)/64); - temp = (color1 & 0x001F) * 255 + 16; - unsigned char b1 = (unsigned char)((temp/32 + temp)/32); - - unsigned long code = *reinterpret_cast<const unsigned long *>t(blockStorage + 4); - - for (int j=0; j < 4; j++) - { - for (int i=0; i < 4; i++) - { - unsigned long finalColor = 0; - unsigned char positionCode = (code >> 2*(4*j+i)) & 0x03; - - if (color0 > color1) - { - switch (positionCode) - { - case 0: - finalColor = PackRGBA(r0, g0, b0, 255); - break; - case 1: - finalColor = PackRGBA(r1, g1, b1, 255); - break; - case 2: - finalColor = PackRGBA((2*r0+r1)/3, (2*g0+g1)/3, (2*b0+b1)/3, 255); - break; - case 3: - finalColor = PackRGBA((r0+2*r1)/3, (g0+2*g1)/3, (b0+2*b1)/3, 255); - break; - } - } - else - { - switch (positionCode) - { - case 0: - finalColor = PackRGBA(r0, g0, b0, 255); - break; - case 1: - finalColor = PackRGBA(r1, g1, b1, 255); - break; - case 2: - finalColor = PackRGBA((r0+r1)/2, (g0+g1)/2, (b0+b1)/2, 255); - break; - case 3: - finalColor = PackRGBA(0, 0, 0, 255); - break; - } - } - - if (x + i < width) - image[(y + j)*width + (x + i)] = finalColor; - } - } -} - -// void BlockDecompressImageDXT1(): Decompresses all the blocks of a DXT1 compressed texture and stores the resulting pixels in 'image'. -// -// unsigned long width: Texture width. -// unsigned long height: Texture height. -// const unsigned char *blockStorage: pointer to compressed DXT1 blocks. -// unsigned long *image: pointer to the image where the decompressed pixels will be stored. - -void BlockDecompressImageDXT1(unsigned long width, unsigned long height, const unsigned char *blockStorage, unsigned long *image) -{ - unsigned long blockCountX = (width + 3) / 4; - unsigned long blockCountY = (height + 3) / 4; - unsigned long blockWidth = (width < 4) ? width : 4; - unsigned long blockHeight = (height < 4) ? height : 4; - - for (unsigned long j = 0; j < blockCountY; j++) - { - for (unsigned long i = 0; i < blockCountX; i++) DecompressBlockDXT1(i*4, j*4, width, blockStorage + i * 8, image); - blockStorage += blockCountX * 8; - } -} - -// void DecompressBlockDXT5(): Decompresses one block of a DXT5 texture and stores the resulting pixels at the appropriate offset in 'image'. -// -// unsigned long x: x-coordinate of the first pixel in the block. -// unsigned long y: y-coordinate of the first pixel in the block. -// unsigned long width: width of the texture being decompressed. -// unsigned long height: height of the texture being decompressed. -// const unsigned char *blockStorage: pointer to the block to decompress. -// unsigned long *image: pointer to image where the decompressed pixel data should be stored. - -void DecompressBlockDXT5(unsigned long x, unsigned long y, unsigned long width, const unsigned char *blockStorage, unsigned long *image) -{ - unsigned char alpha0 = *reinterpret_cast<const unsigned char *>(blockStorage); - unsigned char alpha1 = *reinterpret_cast<const unsigned char *>(blockStorage + 1); - - const unsigned char *bits = blockStorage + 2; - unsigned long alphaCode1 = bits[2] | (bits[3] << 8) | (bits[4] << 16) | (bits[5] << 24); - unsigned short alphaCode2 = bits[0] | (bits[1] << 8); - - unsigned short color0 = *reinterpret_cast<const unsigned short *>(blockStorage + 8); - unsigned short color1 = *reinterpret_cast<const unsigned short *>(blockStorage + 10); - - unsigned long temp; - - temp = (color0 >> 11) * 255 + 16; - unsigned char r0 = (unsigned char)((temp/32 + temp)/32); - temp = ((color0 & 0x07E0) >> 5) * 255 + 32; - unsigned char g0 = (unsigned char)((temp/64 + temp)/64); - temp = (color0 & 0x001F) * 255 + 16; - unsigned char b0 = (unsigned char)((temp/32 + temp)/32); - - temp = (color1 >> 11) * 255 + 16; - unsigned char r1 = (unsigned char)((temp/32 + temp)/32); - temp = ((color1 & 0x07E0) >> 5) * 255 + 32; - unsigned char g1 = (unsigned char)((temp/64 + temp)/64); - temp = (color1 & 0x001F) * 255 + 16; - unsigned char b1 = (unsigned char)((temp/32 + temp)/32); - - unsigned long code = *reinterpret_cast<const unsigned long *>(blockStorage + 12); - - for (int j=0; j < 4; j++) - { - for (int i=0; i < 4; i++) - { - int alphaCodeIndex = 3*(4*j+i); - int alphaCode; - - if (alphaCodeIndex <= 12) - { - alphaCode = (alphaCode2 >> alphaCodeIndex) & 0x07; - } - else if (alphaCodeIndex == 15) - { - alphaCode = (alphaCode2 >> 15) | ((alphaCode1 << 1) & 0x06); - } - else // alphaCodeIndex >= 18 && alphaCodeIndex <= 45 - { - alphaCode = (alphaCode1 >> (alphaCodeIndex - 16)) & 0x07; - } - - unsigned char finalAlpha; - if (alphaCode == 0) - { - finalAlpha = alpha0; - } - else if (alphaCode == 1) - { - finalAlpha = alpha1; - } - else - { - if (alpha0 > alpha1) - { - finalAlpha = ((8-alphaCode)*alpha0 + (alphaCode-1)*alpha1)/7; - } - else - { - if (alphaCode == 6) - finalAlpha = 0; - else if (alphaCode == 7) - finalAlpha = 255; - else - finalAlpha = ((6-alphaCode)*alpha0 + (alphaCode-1)*alpha1)/5; - } - } - - unsigned char colorCode = (code >> 2*(4*j+i)) & 0x03; - - unsigned long finalColor; - switch (colorCode) - { - case 0: - finalColor = PackRGBA(r0, g0, b0, finalAlpha); - break; - case 1: - finalColor = PackRGBA(r1, g1, b1, finalAlpha); - break; - case 2: - finalColor = PackRGBA((2*r0+r1)/3, (2*g0+g1)/3, (2*b0+b1)/3, finalAlpha); - break; - case 3: - finalColor = PackRGBA((r0+2*r1)/3, (g0+2*g1)/3, (b0+2*b1)/3, finalAlpha); - break; - } - - if (x + i < width) - image[(y + j)*width + (x + i)] = finalColor; - } - } -} - -// void BlockDecompressImageDXT5(): Decompresses all the blocks of a DXT5 compressed texture and stores the resulting pixels in 'image'. -// -// unsigned long width: Texture width. -// unsigned long height: Texture height. -// const unsigned char *blockStorage: pointer to compressed DXT5 blocks. -// unsigned long *image: pointer to the image where the decompressed pixels will be stored. - -void BlockDecompressImageDXT5(unsigned long width, unsigned long height, const unsigned char *blockStorage, unsigned long *image) -{ - unsigned long blockCountX = (width + 3) / 4; - unsigned long blockCountY = (height + 3) / 4; - unsigned long blockWidth = (width < 4) ? width : 4; - unsigned long blockHeight = (height < 4) ? height : 4; - - for (unsigned long j = 0; j < blockCountY; j++) - { - for (unsigned long i = 0; i < blockCountX; i++) DecompressBlockDXT5(i*4, j*4, width, blockStorage + i * 16, image); - blockStorage += blockCountX * 16; - } -} -``` diff --git a/subprojects/s3tc-dxt-decompression/s3tc.cpp b/subprojects/s3tc-dxt-decompression/s3tc.cpp deleted file mode 100644 index 70b0200..0000000 --- a/subprojects/s3tc-dxt-decompression/s3tc.cpp +++ /dev/null @@ -1,246 +0,0 @@ -// unsigned int PackRGBA(): Helper method that packs RGBA channels into a single 4 byte pixel. -// -// unsigned char r: red channel. -// unsigned char g: green channel. -// unsigned char b: blue channel. -// unsigned char a: alpha channel. - -unsigned int PackRGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a) -{ - return ((r << 24) | (g << 16) | (b << 8) | a); -} - -// void DecompressBlockDXT1(): Decompresses one block of a DXT1 texture and stores the resulting pixels at the appropriate offset in 'image'. -// -// unsigned int x: x-coordinate of the first pixel in the block. -// unsigned int y: y-coordinate of the first pixel in the block. -// unsigned int width: width of the texture being decompressed. -// unsigned int height: height of the texture being decompressed. -// const unsigned char *blockStorage: pointer to the block to decompress. -// unsigned int *image: pointer to image where the decompressed pixel data should be stored. - -void DecompressBlockDXT1(unsigned int x, unsigned int y, unsigned int width, const unsigned char *blockStorage, unsigned int *image) -{ - unsigned short color0 = *reinterpret_cast<const unsigned short *>(blockStorage); - unsigned short color1 = *reinterpret_cast<const unsigned short *>(blockStorage + 2); - - unsigned int temp; - - temp = (color0 >> 11) * 255 + 16; - unsigned char r0 = (unsigned char)((temp/32 + temp)/32); - temp = ((color0 & 0x07E0) >> 5) * 255 + 32; - unsigned char g0 = (unsigned char)((temp/64 + temp)/64); - temp = (color0 & 0x001F) * 255 + 16; - unsigned char b0 = (unsigned char)((temp/32 + temp)/32); - - temp = (color1 >> 11) * 255 + 16; - unsigned char r1 = (unsigned char)((temp/32 + temp)/32); - temp = ((color1 & 0x07E0) >> 5) * 255 + 32; - unsigned char g1 = (unsigned char)((temp/64 + temp)/64); - temp = (color1 & 0x001F) * 255 + 16; - unsigned char b1 = (unsigned char)((temp/32 + temp)/32); - - unsigned int code = *reinterpret_cast<const unsigned int *>(blockStorage + 4); - - for (int j=0; j < 4; j++) - { - for (int i=0; i < 4; i++) - { - unsigned int finalColor = 0; - unsigned char positionCode = (code >> 2*(4*j+i)) & 0x03; - - if (color0 > color1) - { - switch (positionCode) - { - case 0: - finalColor = PackRGBA(r0, g0, b0, 255); - break; - case 1: - finalColor = PackRGBA(r1, g1, b1, 255); - break; - case 2: - finalColor = PackRGBA((2*r0+r1)/3, (2*g0+g1)/3, (2*b0+b1)/3, 255); - break; - case 3: - finalColor = PackRGBA((r0+2*r1)/3, (g0+2*g1)/3, (b0+2*b1)/3, 255); - break; - } - } - else - { - switch (positionCode) - { - case 0: - finalColor = PackRGBA(r0, g0, b0, 255); - break; - case 1: - finalColor = PackRGBA(r1, g1, b1, 255); - break; - case 2: - finalColor = PackRGBA((r0+r1)/2, (g0+g1)/2, (b0+b1)/2, 255); - break; - case 3: - finalColor = PackRGBA(0, 0, 0, 255); - break; - } - } - - if (x + i < width) - image[(y + j)*width + (x + i)] = finalColor; - } - } -} - -// void BlockDecompressImageDXT1(): Decompresses all the blocks of a DXT1 compressed texture and stores the resulting pixels in 'image'. -// -// unsigned int width: Texture width. -// unsigned int height: Texture height. -// const unsigned char *blockStorage: pointer to compressed DXT1 blocks. -// unsigned int *image: pointer to the image where the decompressed pixels will be stored. - -void BlockDecompressImageDXT1(unsigned int width, unsigned int height, const unsigned char *blockStorage, unsigned int *image) -{ - unsigned int blockCountX = (width + 3) / 4; - unsigned int blockCountY = (height + 3) / 4; - unsigned int blockWidth = (width < 4) ? width : 4; - unsigned int blockHeight = (height < 4) ? height : 4; - - for (unsigned int j = 0; j < blockCountY; j++) - { - for (unsigned int i = 0; i < blockCountX; i++) DecompressBlockDXT1(i*4, j*4, width, blockStorage + i * 8, image); - blockStorage += blockCountX * 8; - } -} - -// void DecompressBlockDXT5(): Decompresses one block of a DXT5 texture and stores the resulting pixels at the appropriate offset in 'image'. -// -// unsigned int x: x-coordinate of the first pixel in the block. -// unsigned int y: y-coordinate of the first pixel in the block. -// unsigned int width: width of the texture being decompressed. -// unsigned int height: height of the texture being decompressed. -// const unsigned char *blockStorage: pointer to the block to decompress. -// unsigned int *image: pointer to image where the decompressed pixel data should be stored. - -void DecompressBlockDXT5(unsigned int x, unsigned int y, unsigned int width, const unsigned char *blockStorage, unsigned int *image) -{ - unsigned char alpha0 = *reinterpret_cast<const unsigned char *>(blockStorage); - unsigned char alpha1 = *reinterpret_cast<const unsigned char *>(blockStorage + 1); - - const unsigned char *bits = blockStorage + 2; - unsigned int alphaCode1 = bits[2] | (bits[3] << 8) | (bits[4] << 16) | (bits[5] << 24); - unsigned short alphaCode2 = bits[0] | (bits[1] << 8); - - unsigned short color0 = *reinterpret_cast<const unsigned short *>(blockStorage + 8); - unsigned short color1 = *reinterpret_cast<const unsigned short *>(blockStorage + 10); - - unsigned int temp; - - temp = (color0 >> 11) * 255 + 16; - unsigned char r0 = (unsigned char)((temp/32 + temp)/32); - temp = ((color0 & 0x07E0) >> 5) * 255 + 32; - unsigned char g0 = (unsigned char)((temp/64 + temp)/64); - temp = (color0 & 0x001F) * 255 + 16; - unsigned char b0 = (unsigned char)((temp/32 + temp)/32); - - temp = (color1 >> 11) * 255 + 16; - unsigned char r1 = (unsigned char)((temp/32 + temp)/32); - temp = ((color1 & 0x07E0) >> 5) * 255 + 32; - unsigned char g1 = (unsigned char)((temp/64 + temp)/64); - temp = (color1 & 0x001F) * 255 + 16; - unsigned char b1 = (unsigned char)((temp/32 + temp)/32); - - unsigned int code = *reinterpret_cast<const unsigned int *>(blockStorage + 12); - - for (int j=0; j < 4; j++) - { - for (int i=0; i < 4; i++) - { - int alphaCodeIndex = 3*(4*j+i); - int alphaCode; - - if (alphaCodeIndex <= 12) - { - alphaCode = (alphaCode2 >> alphaCodeIndex) & 0x07; - } - else if (alphaCodeIndex == 15) - { - alphaCode = (alphaCode2 >> 15) | ((alphaCode1 << 1) & 0x06); - } - else // alphaCodeIndex >= 18 && alphaCodeIndex <= 45 - { - alphaCode = (alphaCode1 >> (alphaCodeIndex - 16)) & 0x07; - } - - unsigned char finalAlpha; - if (alphaCode == 0) - { - finalAlpha = alpha0; - } - else if (alphaCode == 1) - { - finalAlpha = alpha1; - } - else - { - if (alpha0 > alpha1) - { - finalAlpha = ((8-alphaCode)*alpha0 + (alphaCode-1)*alpha1)/7; - } - else - { - if (alphaCode == 6) - finalAlpha = 0; - else if (alphaCode == 7) - finalAlpha = 255; - else - finalAlpha = ((6-alphaCode)*alpha0 + (alphaCode-1)*alpha1)/5; - } - } - - unsigned char colorCode = (code >> 2*(4*j+i)) & 0x03; - - unsigned int finalColor; - switch (colorCode) - { - case 0: - finalColor = PackRGBA(r0, g0, b0, finalAlpha); - break; - case 1: - finalColor = PackRGBA(r1, g1, b1, finalAlpha); - break; - case 2: - finalColor = PackRGBA((2*r0+r1)/3, (2*g0+g1)/3, (2*b0+b1)/3, finalAlpha); - break; - case 3: - finalColor = PackRGBA((r0+2*r1)/3, (g0+2*g1)/3, (b0+2*b1)/3, finalAlpha); - break; - } - - if (x + i < width) - image[(y + j)*width + (x + i)] = finalColor; - } - } -} - -// void BlockDecompressImageDXT5(): Decompresses all the blocks of a DXT5 compressed texture and stores the resulting pixels in 'image'. -// -// unsigned int width: Texture width. -// unsigned int height: Texture height. -// const unsigned char *blockStorage: pointer to compressed DXT5 blocks. -// unsigned int *image: pointer to the image where the decompressed pixels will be stored. - -void BlockDecompressImageDXT5(unsigned int width, unsigned int height, const unsigned char *blockStorage, unsigned int *image) -{ - unsigned int blockCountX = (width + 3) / 4; - unsigned int blockCountY = (height + 3) / 4; - unsigned int blockWidth = (width < 4) ? width : 4; - unsigned int blockHeight = (height < 4) ? height : 4; - - for (unsigned int j = 0; j < blockCountY; j++) - { - for (unsigned int i = 0; i < blockCountX; i++) DecompressBlockDXT5(i*4, j*4, width, blockStorage + i * 16, image); - blockStorage += blockCountX * 16; - } -} - diff --git a/subprojects/s3tc-dxt-decompression/s3tc.h b/subprojects/s3tc-dxt-decompression/s3tc.h deleted file mode 100644 index 74036ee..0000000 --- a/subprojects/s3tc-dxt-decompression/s3tc.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef S3TC_H -#define S3TC_H - -unsigned int PackRGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a); -void DecompressBlockDXT1(unsigned int x, unsigned int y, unsigned int width, const unsigned char *blockStorage, unsigned int *image); -void BlockDecompressImageDXT1(unsigned int width, unsigned int height, const unsigned char *blockStorage, unsigned int *image); -void DecompressBlockDXT5(unsigned int x, unsigned int y, unsigned int width, const unsigned char *blockStorage, unsigned int *image); -void BlockDecompressImageDXT5(unsigned int width, unsigned int height, const unsigned char *blockStorage, unsigned int *image); - -#endif // S3TC_H diff --git a/subprojects/stb.wrap b/subprojects/stb.wrap new file mode 100644 index 0000000..79f7ec4 --- /dev/null +++ b/subprojects/stb.wrap @@ -0,0 +1,5 @@ +[wrap-git] +url = https://github.com/nothings/stb.git +revision = 31707d14fdb75da66b3eed52a2236a70af0d0960 +depth = 1 +patch_directory = stb diff --git a/subprojects/stb_image/meson.build b/subprojects/stb_image/meson.build deleted file mode 100644 index ed279a3..0000000 --- a/subprojects/stb_image/meson.build +++ /dev/null @@ -1,2 +0,0 @@ -project('stb_image', 'c', version: '2.28') -stb_image = declare_dependency(include_directories: include_directories('.')) diff --git a/subprojects/stb_image/stb_image.h b/subprojects/stb_image/stb_image.h deleted file mode 100644 index 5e807a0..0000000 --- a/subprojects/stb_image/stb_image.h +++ /dev/null @@ -1,7987 +0,0 @@ -/* stb_image - v2.28 - public domain image loader - http://nothings.org/stb - no warranty implied; use at your own risk - - Do this: - #define STB_IMAGE_IMPLEMENTATION - before you include this file in *one* C or C++ file to create the implementation. - - // i.e. it should look like this: - #include ... - #include ... - #include ... - #define STB_IMAGE_IMPLEMENTATION - #include "stb_image.h" - - You can #define STBI_ASSERT(x) before the #include to avoid using assert.h. - And #define STBI_MALLOC, STBI_REALLOC, and STBI_FREE to avoid using malloc,realloc,free - - - QUICK NOTES: - Primarily of interest to game developers and other people who can - avoid problematic images and only need the trivial interface - - JPEG baseline & progressive (12 bpc/arithmetic not supported, same as stock IJG lib) - PNG 1/2/4/8/16-bit-per-channel - - TGA (not sure what subset, if a subset) - BMP non-1bpp, non-RLE - PSD (composited view only, no extra channels, 8/16 bit-per-channel) - - GIF (*comp always reports as 4-channel) - HDR (radiance rgbE format) - PIC (Softimage PIC) - PNM (PPM and PGM binary only) - - Animated GIF still needs a proper API, but here's one way to do it: - http://gist.github.com/urraka/685d9a6340b26b830d49 - - - decode from memory or through FILE (define STBI_NO_STDIO to remove code) - - decode from arbitrary I/O callbacks - - SIMD acceleration on x86/x64 (SSE2) and ARM (NEON) - - Full documentation under "DOCUMENTATION" below. - - -LICENSE - - See end of file for license information. - -RECENT REVISION HISTORY: - - 2.28 (2023-01-29) many error fixes, security errors, just tons of stuff - 2.27 (2021-07-11) document stbi_info better, 16-bit PNM support, bug fixes - 2.26 (2020-07-13) many minor fixes - 2.25 (2020-02-02) fix warnings - 2.24 (2020-02-02) fix warnings; thread-local failure_reason and flip_vertically - 2.23 (2019-08-11) fix clang static analysis warning - 2.22 (2019-03-04) gif fixes, fix warnings - 2.21 (2019-02-25) fix typo in comment - 2.20 (2019-02-07) support utf8 filenames in Windows; fix warnings and platform ifdefs - 2.19 (2018-02-11) fix warning - 2.18 (2018-01-30) fix warnings - 2.17 (2018-01-29) bugfix, 1-bit BMP, 16-bitness query, fix warnings - 2.16 (2017-07-23) all functions have 16-bit variants; optimizations; bugfixes - 2.15 (2017-03-18) fix png-1,2,4; all Imagenet JPGs; no runtime SSE detection on GCC - 2.14 (2017-03-03) remove deprecated STBI_JPEG_OLD; fixes for Imagenet JPGs - 2.13 (2016-12-04) experimental 16-bit API, only for PNG so far; fixes - 2.12 (2016-04-02) fix typo in 2.11 PSD fix that caused crashes - 2.11 (2016-04-02) 16-bit PNGS; enable SSE2 in non-gcc x64 - RGB-format JPEG; remove white matting in PSD; - allocate large structures on the stack; - correct channel count for PNG & BMP - 2.10 (2016-01-22) avoid warning introduced in 2.09 - 2.09 (2016-01-16) 16-bit TGA; comments in PNM files; STBI_REALLOC_SIZED - - See end of file for full revision history. - - - ============================ Contributors ========================= - - Image formats Extensions, features - Sean Barrett (jpeg, png, bmp) Jetro Lauha (stbi_info) - Nicolas Schulz (hdr, psd) Martin "SpartanJ" Golini (stbi_info) - Jonathan Dummer (tga) James "moose2000" Brown (iPhone PNG) - Jean-Marc Lienher (gif) Ben "Disch" Wenger (io callbacks) - Tom Seddon (pic) Omar Cornut (1/2/4-bit PNG) - Thatcher Ulrich (psd) Nicolas Guillemot (vertical flip) - Ken Miller (pgm, ppm) Richard Mitton (16-bit PSD) - github:urraka (animated gif) Junggon Kim (PNM comments) - Christopher Forseth (animated gif) Daniel Gibson (16-bit TGA) - socks-the-fox (16-bit PNG) - Jeremy Sawicki (handle all ImageNet JPGs) - Optimizations & bugfixes Mikhail Morozov (1-bit BMP) - Fabian "ryg" Giesen Anael Seghezzi (is-16-bit query) - Arseny Kapoulkine Simon Breuss (16-bit PNM) - John-Mark Allen - Carmelo J Fdez-Aguera - - Bug & warning fixes - Marc LeBlanc David Woo Guillaume George Martins Mozeiko - Christpher Lloyd Jerry Jansson Joseph Thomson Blazej Dariusz Roszkowski - Phil Jordan Dave Moore Roy Eltham - Hayaki Saito Nathan Reed Won Chun - Luke Graham Johan Duparc Nick Verigakis the Horde3D community - Thomas Ruf Ronny Chevalier github:rlyeh - Janez Zemva John Bartholomew Michal Cichon github:romigrou - Jonathan Blow Ken Hamada Tero Hanninen github:svdijk - Eugene Golushkov Laurent Gomila Cort Stratton github:snagar - Aruelien Pocheville Sergio Gonzalez Thibault Reuille github:Zelex - Cass Everitt Ryamond Barbiero github:grim210 - Paul Du Bois Engin Manap Aldo Culquicondor github:sammyhw - Philipp Wiesemann Dale Weiler Oriol Ferrer Mesia github:phprus - Josh Tobin Neil Bickford Matthew Gregan github:poppolopoppo - Julian Raschke Gregory Mullen Christian Floisand github:darealshinji - Baldur Karlsson Kevin Schmidt JR Smith github:Michaelangel007 - Brad Weinberger Matvey Cherevko github:mosra - Luca Sas Alexander Veselov Zack Middleton [reserved] - Ryan C. Gordon [reserved] [reserved] - DO NOT ADD YOUR NAME HERE - - Jacko Dirks - - To add your name to the credits, pick a random blank space in the middle and fill it. - 80% of merge conflicts on stb PRs are due to people adding their name at the end - of the credits. -*/ - -#ifndef STBI_INCLUDE_STB_IMAGE_H -#define STBI_INCLUDE_STB_IMAGE_H - -// DOCUMENTATION -// -// Limitations: -// - no 12-bit-per-channel JPEG -// - no JPEGs with arithmetic coding -// - GIF always returns *comp=4 -// -// Basic usage (see HDR discussion below for HDR usage): -// int x,y,n; -// unsigned char *data = stbi_load(filename, &x, &y, &n, 0); -// // ... process data if not NULL ... -// // ... x = width, y = height, n = # 8-bit components per pixel ... -// // ... replace '0' with '1'..'4' to force that many components per pixel -// // ... but 'n' will always be the number that it would have been if you said 0 -// stbi_image_free(data); -// -// Standard parameters: -// int *x -- outputs image width in pixels -// int *y -- outputs image height in pixels -// int *channels_in_file -- outputs # of image components in image file -// int desired_channels -- if non-zero, # of image components requested in result -// -// The return value from an image loader is an 'unsigned char *' which points -// to the pixel data, or NULL on an allocation failure or if the image is -// corrupt or invalid. The pixel data consists of *y scanlines of *x pixels, -// with each pixel consisting of N interleaved 8-bit components; the first -// pixel pointed to is top-left-most in the image. There is no padding between -// image scanlines or between pixels, regardless of format. The number of -// components N is 'desired_channels' if desired_channels is non-zero, or -// *channels_in_file otherwise. If desired_channels is non-zero, -// *channels_in_file has the number of components that _would_ have been -// output otherwise. E.g. if you set desired_channels to 4, you will always -// get RGBA output, but you can check *channels_in_file to see if it's trivially -// opaque because e.g. there were only 3 channels in the source image. -// -// An output image with N components has the following components interleaved -// in this order in each pixel: -// -// N=#comp components -// 1 grey -// 2 grey, alpha -// 3 red, green, blue -// 4 red, green, blue, alpha -// -// If image loading fails for any reason, the return value will be NULL, -// and *x, *y, *channels_in_file will be unchanged. The function -// stbi_failure_reason() can be queried for an extremely brief, end-user -// unfriendly explanation of why the load failed. Define STBI_NO_FAILURE_STRINGS -// to avoid compiling these strings at all, and STBI_FAILURE_USERMSG to get slightly -// more user-friendly ones. -// -// Paletted PNG, BMP, GIF, and PIC images are automatically depalettized. -// -// To query the width, height and component count of an image without having to -// decode the full file, you can use the stbi_info family of functions: -// -// int x,y,n,ok; -// ok = stbi_info(filename, &x, &y, &n); -// // returns ok=1 and sets x, y, n if image is a supported format, -// // 0 otherwise. -// -// Note that stb_image pervasively uses ints in its public API for sizes, -// including sizes of memory buffers. This is now part of the API and thus -// hard to change without causing breakage. As a result, the various image -// loaders all have certain limits on image size; these differ somewhat -// by format but generally boil down to either just under 2GB or just under -// 1GB. When the decoded image would be larger than this, stb_image decoding -// will fail. -// -// Additionally, stb_image will reject image files that have any of their -// dimensions set to a larger value than the configurable STBI_MAX_DIMENSIONS, -// which defaults to 2**24 = 16777216 pixels. Due to the above memory limit, -// the only way to have an image with such dimensions load correctly -// is for it to have a rather extreme aspect ratio. Either way, the -// assumption here is that such larger images are likely to be malformed -// or malicious. If you do need to load an image with individual dimensions -// larger than that, and it still fits in the overall size limit, you can -// #define STBI_MAX_DIMENSIONS on your own to be something larger. -// -// =========================================================================== -// -// UNICODE: -// -// If compiling for Windows and you wish to use Unicode filenames, compile -// with -// #define STBI_WINDOWS_UTF8 -// and pass utf8-encoded filenames. Call stbi_convert_wchar_to_utf8 to convert -// Windows wchar_t filenames to utf8. -// -// =========================================================================== -// -// Philosophy -// -// stb libraries are designed with the following priorities: -// -// 1. easy to use -// 2. easy to maintain -// 3. good performance -// -// Sometimes I let "good performance" creep up in priority over "easy to maintain", -// and for best performance I may provide less-easy-to-use APIs that give higher -// performance, in addition to the easy-to-use ones. Nevertheless, it's important -// to keep in mind that from the standpoint of you, a client of this library, -// all you care about is #1 and #3, and stb libraries DO NOT emphasize #3 above all. -// -// Some secondary priorities arise directly from the first two, some of which -// provide more explicit reasons why performance can't be emphasized. -// -// - Portable ("ease of use") -// - Small source code footprint ("easy to maintain") -// - No dependencies ("ease of use") -// -// =========================================================================== -// -// I/O callbacks -// -// I/O callbacks allow you to read from arbitrary sources, like packaged -// files or some other source. Data read from callbacks are processed -// through a small internal buffer (currently 128 bytes) to try to reduce -// overhead. -// -// The three functions you must define are "read" (reads some bytes of data), -// "skip" (skips some bytes of data), "eof" (reports if the stream is at the end). -// -// =========================================================================== -// -// SIMD support -// -// The JPEG decoder will try to automatically use SIMD kernels on x86 when -// supported by the compiler. For ARM Neon support, you must explicitly -// request it. -// -// (The old do-it-yourself SIMD API is no longer supported in the current -// code.) -// -// On x86, SSE2 will automatically be used when available based on a run-time -// test; if not, the generic C versions are used as a fall-back. On ARM targets, -// the typical path is to have separate builds for NEON and non-NEON devices -// (at least this is true for iOS and Android). Therefore, the NEON support is -// toggled by a build flag: define STBI_NEON to get NEON loops. -// -// If for some reason you do not want to use any of SIMD code, or if -// you have issues compiling it, you can disable it entirely by -// defining STBI_NO_SIMD. -// -// =========================================================================== -// -// HDR image support (disable by defining STBI_NO_HDR) -// -// stb_image supports loading HDR images in general, and currently the Radiance -// .HDR file format specifically. You can still load any file through the existing -// interface; if you attempt to load an HDR file, it will be automatically remapped -// to LDR, assuming gamma 2.2 and an arbitrary scale factor defaulting to 1; -// both of these constants can be reconfigured through this interface: -// -// stbi_hdr_to_ldr_gamma(2.2f); -// stbi_hdr_to_ldr_scale(1.0f); -// -// (note, do not use _inverse_ constants; stbi_image will invert them -// appropriately). -// -// Additionally, there is a new, parallel interface for loading files as -// (linear) floats to preserve the full dynamic range: -// -// float *data = stbi_loadf(filename, &x, &y, &n, 0); -// -// If you load LDR images through this interface, those images will -// be promoted to floating point values, run through the inverse of -// constants corresponding to the above: -// -// stbi_ldr_to_hdr_scale(1.0f); -// stbi_ldr_to_hdr_gamma(2.2f); -// -// Finally, given a filename (or an open file or memory block--see header -// file for details) containing image data, you can query for the "most -// appropriate" interface to use (that is, whether the image is HDR or -// not), using: -// -// stbi_is_hdr(char *filename); -// -// =========================================================================== -// -// iPhone PNG support: -// -// We optionally support converting iPhone-formatted PNGs (which store -// premultiplied BGRA) back to RGB, even though they're internally encoded -// differently. To enable this conversion, call -// stbi_convert_iphone_png_to_rgb(1). -// -// Call stbi_set_unpremultiply_on_load(1) as well to force a divide per -// pixel to remove any premultiplied alpha *only* if the image file explicitly -// says there's premultiplied data (currently only happens in iPhone images, -// and only if iPhone convert-to-rgb processing is on). -// -// =========================================================================== -// -// ADDITIONAL CONFIGURATION -// -// - You can suppress implementation of any of the decoders to reduce -// your code footprint by #defining one or more of the following -// symbols before creating the implementation. -// -// STBI_NO_JPEG -// STBI_NO_PNG -// STBI_NO_BMP -// STBI_NO_PSD -// STBI_NO_TGA -// STBI_NO_GIF -// STBI_NO_HDR -// STBI_NO_PIC -// STBI_NO_PNM (.ppm and .pgm) -// -// - You can request *only* certain decoders and suppress all other ones -// (this will be more forward-compatible, as addition of new decoders -// doesn't require you to disable them explicitly): -// -// STBI_ONLY_JPEG -// STBI_ONLY_PNG -// STBI_ONLY_BMP -// STBI_ONLY_PSD -// STBI_ONLY_TGA -// STBI_ONLY_GIF -// STBI_ONLY_HDR -// STBI_ONLY_PIC -// STBI_ONLY_PNM (.ppm and .pgm) -// -// - If you use STBI_NO_PNG (or _ONLY_ without PNG), and you still -// want the zlib decoder to be available, #define STBI_SUPPORT_ZLIB -// -// - If you define STBI_MAX_DIMENSIONS, stb_image will reject images greater -// than that size (in either width or height) without further processing. -// This is to let programs in the wild set an upper bound to prevent -// denial-of-service attacks on untrusted data, as one could generate a -// valid image of gigantic dimensions and force stb_image to allocate a -// huge block of memory and spend disproportionate time decoding it. By -// default this is set to (1 << 24), which is 16777216, but that's still -// very big. - -#ifndef STBI_NO_STDIO -#include <stdio.h> -#endif // STBI_NO_STDIO - -#define STBI_VERSION 1 - -enum -{ - STBI_default = 0, // only used for desired_channels - - STBI_grey = 1, - STBI_grey_alpha = 2, - STBI_rgb = 3, - STBI_rgb_alpha = 4 -}; - -#include <stdlib.h> -typedef unsigned char stbi_uc; -typedef unsigned short stbi_us; - -#ifdef __cplusplus -extern "C" { -#endif - -#ifndef STBIDEF -#ifdef STB_IMAGE_STATIC -#define STBIDEF static -#else -#define STBIDEF extern -#endif -#endif - -////////////////////////////////////////////////////////////////////////////// -// -// PRIMARY API - works on images of any type -// - -// -// load image by filename, open file, or memory buffer -// - -typedef struct -{ - int (*read) (void *user,char *data,int size); // fill 'data' with 'size' bytes. return number of bytes actually read - void (*skip) (void *user,int n); // skip the next 'n' bytes, or 'unget' the last -n bytes if negative - int (*eof) (void *user); // returns nonzero if we are at end of file/data -} stbi_io_callbacks; - -//////////////////////////////////// -// -// 8-bits-per-channel interface -// - -STBIDEF stbi_uc *stbi_load_from_memory (stbi_uc const *buffer, int len , int *x, int *y, int *channels_in_file, int desired_channels); -STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk , void *user, int *x, int *y, int *channels_in_file, int desired_channels); - -#ifndef STBI_NO_STDIO -STBIDEF stbi_uc *stbi_load (char const *filename, int *x, int *y, int *channels_in_file, int desired_channels); -STBIDEF stbi_uc *stbi_load_from_file (FILE *f, int *x, int *y, int *channels_in_file, int desired_channels); -// for stbi_load_from_file, file pointer is left pointing immediately after image -#endif - -#ifndef STBI_NO_GIF -STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp); -#endif - -#ifdef STBI_WINDOWS_UTF8 -STBIDEF int stbi_convert_wchar_to_utf8(char *buffer, size_t bufferlen, const wchar_t* input); -#endif - -//////////////////////////////////// -// -// 16-bits-per-channel interface -// - -STBIDEF stbi_us *stbi_load_16_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels); -STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels); - -#ifndef STBI_NO_STDIO -STBIDEF stbi_us *stbi_load_16 (char const *filename, int *x, int *y, int *channels_in_file, int desired_channels); -STBIDEF stbi_us *stbi_load_from_file_16(FILE *f, int *x, int *y, int *channels_in_file, int desired_channels); -#endif - -//////////////////////////////////// -// -// float-per-channel interface -// -#ifndef STBI_NO_LINEAR - STBIDEF float *stbi_loadf_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels); - STBIDEF float *stbi_loadf_from_callbacks (stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels); - - #ifndef STBI_NO_STDIO - STBIDEF float *stbi_loadf (char const *filename, int *x, int *y, int *channels_in_file, int desired_channels); - STBIDEF float *stbi_loadf_from_file (FILE *f, int *x, int *y, int *channels_in_file, int desired_channels); - #endif -#endif - -#ifndef STBI_NO_HDR - STBIDEF void stbi_hdr_to_ldr_gamma(float gamma); - STBIDEF void stbi_hdr_to_ldr_scale(float scale); -#endif // STBI_NO_HDR - -#ifndef STBI_NO_LINEAR - STBIDEF void stbi_ldr_to_hdr_gamma(float gamma); - STBIDEF void stbi_ldr_to_hdr_scale(float scale); -#endif // STBI_NO_LINEAR - -// stbi_is_hdr is always defined, but always returns false if STBI_NO_HDR -STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user); -STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len); -#ifndef STBI_NO_STDIO -STBIDEF int stbi_is_hdr (char const *filename); -STBIDEF int stbi_is_hdr_from_file(FILE *f); -#endif // STBI_NO_STDIO - - -// get a VERY brief reason for failure -// on most compilers (and ALL modern mainstream compilers) this is threadsafe -STBIDEF const char *stbi_failure_reason (void); - -// free the loaded image -- this is just free() -STBIDEF void stbi_image_free (void *retval_from_stbi_load); - -// get image dimensions & components without fully decoding -STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp); -STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp); -STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len); -STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *clbk, void *user); - -#ifndef STBI_NO_STDIO -STBIDEF int stbi_info (char const *filename, int *x, int *y, int *comp); -STBIDEF int stbi_info_from_file (FILE *f, int *x, int *y, int *comp); -STBIDEF int stbi_is_16_bit (char const *filename); -STBIDEF int stbi_is_16_bit_from_file(FILE *f); -#endif - - - -// for image formats that explicitly notate that they have premultiplied alpha, -// we just return the colors as stored in the file. set this flag to force -// unpremultiplication. results are undefined if the unpremultiply overflow. -STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply); - -// indicate whether we should process iphone images back to canonical format, -// or just pass them through "as-is" -STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert); - -// flip the image vertically, so the first pixel in the output array is the bottom left -STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip); - -// as above, but only applies to images loaded on the thread that calls the function -// this function is only available if your compiler supports thread-local variables; -// calling it will fail to link if your compiler doesn't -STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply); -STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert); -STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip); - -// ZLIB client - used by PNG, available for other purposes - -STBIDEF char *stbi_zlib_decode_malloc_guesssize(const char *buffer, int len, int initial_size, int *outlen); -STBIDEF char *stbi_zlib_decode_malloc_guesssize_headerflag(const char *buffer, int len, int initial_size, int *outlen, int parse_header); -STBIDEF char *stbi_zlib_decode_malloc(const char *buffer, int len, int *outlen); -STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, const char *ibuffer, int ilen); - -STBIDEF char *stbi_zlib_decode_noheader_malloc(const char *buffer, int len, int *outlen); -STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen); - - -#ifdef __cplusplus -} -#endif - -// -// -//// end header file ///////////////////////////////////////////////////// -#endif // STBI_INCLUDE_STB_IMAGE_H - -#ifdef STB_IMAGE_IMPLEMENTATION - -#if defined(STBI_ONLY_JPEG) || defined(STBI_ONLY_PNG) || defined(STBI_ONLY_BMP) \ - || defined(STBI_ONLY_TGA) || defined(STBI_ONLY_GIF) || defined(STBI_ONLY_PSD) \ - || defined(STBI_ONLY_HDR) || defined(STBI_ONLY_PIC) || defined(STBI_ONLY_PNM) \ - || defined(STBI_ONLY_ZLIB) - #ifndef STBI_ONLY_JPEG - #define STBI_NO_JPEG - #endif - #ifndef STBI_ONLY_PNG - #define STBI_NO_PNG - #endif - #ifndef STBI_ONLY_BMP - #define STBI_NO_BMP - #endif - #ifndef STBI_ONLY_PSD - #define STBI_NO_PSD - #endif - #ifndef STBI_ONLY_TGA - #define STBI_NO_TGA - #endif - #ifndef STBI_ONLY_GIF - #define STBI_NO_GIF - #endif - #ifndef STBI_ONLY_HDR - #define STBI_NO_HDR - #endif - #ifndef STBI_ONLY_PIC - #define STBI_NO_PIC - #endif - #ifndef STBI_ONLY_PNM - #define STBI_NO_PNM - #endif -#endif - -#if defined(STBI_NO_PNG) && !defined(STBI_SUPPORT_ZLIB) && !defined(STBI_NO_ZLIB) -#define STBI_NO_ZLIB -#endif - - -#include <stdarg.h> -#include <stddef.h> // ptrdiff_t on osx -#include <stdlib.h> -#include <string.h> -#include <limits.h> - -#if !defined(STBI_NO_LINEAR) || !defined(STBI_NO_HDR) -#include <math.h> // ldexp, pow -#endif - -#ifndef STBI_NO_STDIO -#include <stdio.h> -#endif - -#ifndef STBI_ASSERT -#include <assert.h> -#define STBI_ASSERT(x) assert(x) -#endif - -#ifdef __cplusplus -#define STBI_EXTERN extern "C" -#else -#define STBI_EXTERN extern -#endif - - -#ifndef _MSC_VER - #ifdef __cplusplus - #define stbi_inline inline - #else - #define stbi_inline - #endif -#else - #define stbi_inline __forceinline -#endif - -#ifndef STBI_NO_THREAD_LOCALS - #if defined(__cplusplus) && __cplusplus >= 201103L - #define STBI_THREAD_LOCAL thread_local - #elif defined(__GNUC__) && __GNUC__ < 5 - #define STBI_THREAD_LOCAL __thread - #elif defined(_MSC_VER) - #define STBI_THREAD_LOCAL __declspec(thread) - #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 201112L && !defined(__STDC_NO_THREADS__) - #define STBI_THREAD_LOCAL _Thread_local - #endif - - #ifndef STBI_THREAD_LOCAL - #if defined(__GNUC__) - #define STBI_THREAD_LOCAL __thread - #endif - #endif -#endif - -#if defined(_MSC_VER) || defined(__SYMBIAN32__) -typedef unsigned short stbi__uint16; -typedef signed short stbi__int16; -typedef unsigned int stbi__uint32; -typedef signed int stbi__int32; -#else -#include <stdint.h> -typedef uint16_t stbi__uint16; -typedef int16_t stbi__int16; -typedef uint32_t stbi__uint32; -typedef int32_t stbi__int32; -#endif - -// should produce compiler error if size is wrong -typedef unsigned char validate_uint32[sizeof(stbi__uint32)==4 ? 1 : -1]; - -#ifdef _MSC_VER -#define STBI_NOTUSED(v) (void)(v) -#else -#define STBI_NOTUSED(v) (void)sizeof(v) -#endif - -#ifdef _MSC_VER -#define STBI_HAS_LROTL -#endif - -#ifdef STBI_HAS_LROTL - #define stbi_lrot(x,y) _lrotl(x,y) -#else - #define stbi_lrot(x,y) (((x) << (y)) | ((x) >> (-(y) & 31))) -#endif - -#if defined(STBI_MALLOC) && defined(STBI_FREE) && (defined(STBI_REALLOC) || defined(STBI_REALLOC_SIZED)) -// ok -#elif !defined(STBI_MALLOC) && !defined(STBI_FREE) && !defined(STBI_REALLOC) && !defined(STBI_REALLOC_SIZED) -// ok -#else -#error "Must define all or none of STBI_MALLOC, STBI_FREE, and STBI_REALLOC (or STBI_REALLOC_SIZED)." -#endif - -#ifndef STBI_MALLOC -#define STBI_MALLOC(sz) malloc(sz) -#define STBI_REALLOC(p,newsz) realloc(p,newsz) -#define STBI_FREE(p) free(p) -#endif - -#ifndef STBI_REALLOC_SIZED -#define STBI_REALLOC_SIZED(p,oldsz,newsz) STBI_REALLOC(p,newsz) -#endif - -// x86/x64 detection -#if defined(__x86_64__) || defined(_M_X64) -#define STBI__X64_TARGET -#elif defined(__i386) || defined(_M_IX86) -#define STBI__X86_TARGET -#endif - -#if defined(__GNUC__) && defined(STBI__X86_TARGET) && !defined(__SSE2__) && !defined(STBI_NO_SIMD) -// gcc doesn't support sse2 intrinsics unless you compile with -msse2, -// which in turn means it gets to use SSE2 everywhere. This is unfortunate, -// but previous attempts to provide the SSE2 functions with runtime -// detection caused numerous issues. The way architecture extensions are -// exposed in GCC/Clang is, sadly, not really suited for one-file libs. -// New behavior: if compiled with -msse2, we use SSE2 without any -// detection; if not, we don't use it at all. -#define STBI_NO_SIMD -#endif - -#if defined(__MINGW32__) && defined(STBI__X86_TARGET) && !defined(STBI_MINGW_ENABLE_SSE2) && !defined(STBI_NO_SIMD) -// Note that __MINGW32__ doesn't actually mean 32-bit, so we have to avoid STBI__X64_TARGET -// -// 32-bit MinGW wants ESP to be 16-byte aligned, but this is not in the -// Windows ABI and VC++ as well as Windows DLLs don't maintain that invariant. -// As a result, enabling SSE2 on 32-bit MinGW is dangerous when not -// simultaneously enabling "-mstackrealign". -// -// See https://github.com/nothings/stb/issues/81 for more information. -// -// So default to no SSE2 on 32-bit MinGW. If you've read this far and added -// -mstackrealign to your build settings, feel free to #define STBI_MINGW_ENABLE_SSE2. -#define STBI_NO_SIMD -#endif - -#if !defined(STBI_NO_SIMD) && (defined(STBI__X86_TARGET) || defined(STBI__X64_TARGET)) -#define STBI_SSE2 -#include <emmintrin.h> - -#ifdef _MSC_VER - -#if _MSC_VER >= 1400 // not VC6 -#include <intrin.h> // __cpuid -static int stbi__cpuid3(void) -{ - int info[4]; - __cpuid(info,1); - return info[3]; -} -#else -static int stbi__cpuid3(void) -{ - int res; - __asm { - mov eax,1 - cpuid - mov res,edx - } - return res; -} -#endif - -#define STBI_SIMD_ALIGN(type, name) __declspec(align(16)) type name - -#if !defined(STBI_NO_JPEG) && defined(STBI_SSE2) -static int stbi__sse2_available(void) -{ - int info3 = stbi__cpuid3(); - return ((info3 >> 26) & 1) != 0; -} -#endif - -#else // assume GCC-style if not VC++ -#define STBI_SIMD_ALIGN(type, name) type name __attribute__((aligned(16))) - -#if !defined(STBI_NO_JPEG) && defined(STBI_SSE2) -static int stbi__sse2_available(void) -{ - // If we're even attempting to compile this on GCC/Clang, that means - // -msse2 is on, which means the compiler is allowed to use SSE2 - // instructions at will, and so are we. - return 1; -} -#endif - -#endif -#endif - -// ARM NEON -#if defined(STBI_NO_SIMD) && defined(STBI_NEON) -#undef STBI_NEON -#endif - -#ifdef STBI_NEON -#include <arm_neon.h> -#ifdef _MSC_VER -#define STBI_SIMD_ALIGN(type, name) __declspec(align(16)) type name -#else -#define STBI_SIMD_ALIGN(type, name) type name __attribute__((aligned(16))) -#endif -#endif - -#ifndef STBI_SIMD_ALIGN -#define STBI_SIMD_ALIGN(type, name) type name -#endif - -#ifndef STBI_MAX_DIMENSIONS -#define STBI_MAX_DIMENSIONS (1 << 24) -#endif - -/////////////////////////////////////////////// -// -// stbi__context struct and start_xxx functions - -// stbi__context structure is our basic context used by all images, so it -// contains all the IO context, plus some basic image information -typedef struct -{ - stbi__uint32 img_x, img_y; - int img_n, img_out_n; - - stbi_io_callbacks io; - void *io_user_data; - - int read_from_callbacks; - int buflen; - stbi_uc buffer_start[128]; - int callback_already_read; - - stbi_uc *img_buffer, *img_buffer_end; - stbi_uc *img_buffer_original, *img_buffer_original_end; -} stbi__context; - - -static void stbi__refill_buffer(stbi__context *s); - -// initialize a memory-decode context -static void stbi__start_mem(stbi__context *s, stbi_uc const *buffer, int len) -{ - s->io.read = NULL; - s->read_from_callbacks = 0; - s->callback_already_read = 0; - s->img_buffer = s->img_buffer_original = (stbi_uc *) buffer; - s->img_buffer_end = s->img_buffer_original_end = (stbi_uc *) buffer+len; -} - -// initialize a callback-based context -static void stbi__start_callbacks(stbi__context *s, stbi_io_callbacks *c, void *user) -{ - s->io = *c; - s->io_user_data = user; - s->buflen = sizeof(s->buffer_start); - s->read_from_callbacks = 1; - s->callback_already_read = 0; - s->img_buffer = s->img_buffer_original = s->buffer_start; - stbi__refill_buffer(s); - s->img_buffer_original_end = s->img_buffer_end; -} - -#ifndef STBI_NO_STDIO - -static int stbi__stdio_read(void *user, char *data, int size) -{ - return (int) fread(data,1,size,(FILE*) user); -} - -static void stbi__stdio_skip(void *user, int n) -{ - int ch; - fseek((FILE*) user, n, SEEK_CUR); - ch = fgetc((FILE*) user); /* have to read a byte to reset feof()'s flag */ - if (ch != EOF) { - ungetc(ch, (FILE *) user); /* push byte back onto stream if valid. */ - } -} - -static int stbi__stdio_eof(void *user) -{ - return feof((FILE*) user) || ferror((FILE *) user); -} - -static stbi_io_callbacks stbi__stdio_callbacks = -{ - stbi__stdio_read, - stbi__stdio_skip, - stbi__stdio_eof, -}; - -static void stbi__start_file(stbi__context *s, FILE *f) -{ - stbi__start_callbacks(s, &stbi__stdio_callbacks, (void *) f); -} - -//static void stop_file(stbi__context *s) { } - -#endif // !STBI_NO_STDIO - -static void stbi__rewind(stbi__context *s) -{ - // conceptually rewind SHOULD rewind to the beginning of the stream, - // but we just rewind to the beginning of the initial buffer, because - // we only use it after doing 'test', which only ever looks at at most 92 bytes - s->img_buffer = s->img_buffer_original; - s->img_buffer_end = s->img_buffer_original_end; -} - -enum -{ - STBI_ORDER_RGB, - STBI_ORDER_BGR -}; - -typedef struct -{ - int bits_per_channel; - int num_channels; - int channel_order; -} stbi__result_info; - -#ifndef STBI_NO_JPEG -static int stbi__jpeg_test(stbi__context *s); -static void *stbi__jpeg_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri); -static int stbi__jpeg_info(stbi__context *s, int *x, int *y, int *comp); -#endif - -#ifndef STBI_NO_PNG -static int stbi__png_test(stbi__context *s); -static void *stbi__png_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri); -static int stbi__png_info(stbi__context *s, int *x, int *y, int *comp); -static int stbi__png_is16(stbi__context *s); -#endif - -#ifndef STBI_NO_BMP -static int stbi__bmp_test(stbi__context *s); -static void *stbi__bmp_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri); -static int stbi__bmp_info(stbi__context *s, int *x, int *y, int *comp); -#endif - -#ifndef STBI_NO_TGA -static int stbi__tga_test(stbi__context *s); -static void *stbi__tga_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri); -static int stbi__tga_info(stbi__context *s, int *x, int *y, int *comp); -#endif - -#ifndef STBI_NO_PSD -static int stbi__psd_test(stbi__context *s); -static void *stbi__psd_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri, int bpc); -static int stbi__psd_info(stbi__context *s, int *x, int *y, int *comp); -static int stbi__psd_is16(stbi__context *s); -#endif - -#ifndef STBI_NO_HDR -static int stbi__hdr_test(stbi__context *s); -static float *stbi__hdr_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri); -static int stbi__hdr_info(stbi__context *s, int *x, int *y, int *comp); -#endif - -#ifndef STBI_NO_PIC -static int stbi__pic_test(stbi__context *s); -static void *stbi__pic_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri); -static int stbi__pic_info(stbi__context *s, int *x, int *y, int *comp); -#endif - -#ifndef STBI_NO_GIF -static int stbi__gif_test(stbi__context *s); -static void *stbi__gif_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri); -static void *stbi__load_gif_main(stbi__context *s, int **delays, int *x, int *y, int *z, int *comp, int req_comp); -static int stbi__gif_info(stbi__context *s, int *x, int *y, int *comp); -#endif - -#ifndef STBI_NO_PNM -static int stbi__pnm_test(stbi__context *s); -static void *stbi__pnm_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri); -static int stbi__pnm_info(stbi__context *s, int *x, int *y, int *comp); -static int stbi__pnm_is16(stbi__context *s); -#endif - -static -#ifdef STBI_THREAD_LOCAL -STBI_THREAD_LOCAL -#endif -const char *stbi__g_failure_reason; - -STBIDEF const char *stbi_failure_reason(void) -{ - return stbi__g_failure_reason; -} - -#ifndef STBI_NO_FAILURE_STRINGS -static int stbi__err(const char *str) -{ - stbi__g_failure_reason = str; - return 0; -} -#endif - -static void *stbi__malloc(size_t size) -{ - return STBI_MALLOC(size); -} - -// stb_image uses ints pervasively, including for offset calculations. -// therefore the largest decoded image size we can support with the -// current code, even on 64-bit targets, is INT_MAX. this is not a -// significant limitation for the intended use case. -// -// we do, however, need to make sure our size calculations don't -// overflow. hence a few helper functions for size calculations that -// multiply integers together, making sure that they're non-negative -// and no overflow occurs. - -// return 1 if the sum is valid, 0 on overflow. -// negative terms are considered invalid. -static int stbi__addsizes_valid(int a, int b) -{ - if (b < 0) return 0; - // now 0 <= b <= INT_MAX, hence also - // 0 <= INT_MAX - b <= INTMAX. - // And "a + b <= INT_MAX" (which might overflow) is the - // same as a <= INT_MAX - b (no overflow) - return a <= INT_MAX - b; -} - -// returns 1 if the product is valid, 0 on overflow. -// negative factors are considered invalid. -static int stbi__mul2sizes_valid(int a, int b) -{ - if (a < 0 || b < 0) return 0; - if (b == 0) return 1; // mul-by-0 is always safe - // portable way to check for no overflows in a*b - return a <= INT_MAX/b; -} - -#if !defined(STBI_NO_JPEG) || !defined(STBI_NO_PNG) || !defined(STBI_NO_TGA) || !defined(STBI_NO_HDR) -// returns 1 if "a*b + add" has no negative terms/factors and doesn't overflow -static int stbi__mad2sizes_valid(int a, int b, int add) -{ - return stbi__mul2sizes_valid(a, b) && stbi__addsizes_valid(a*b, add); -} -#endif - -// returns 1 if "a*b*c + add" has no negative terms/factors and doesn't overflow -static int stbi__mad3sizes_valid(int a, int b, int c, int add) -{ - return stbi__mul2sizes_valid(a, b) && stbi__mul2sizes_valid(a*b, c) && - stbi__addsizes_valid(a*b*c, add); -} - -// returns 1 if "a*b*c*d + add" has no negative terms/factors and doesn't overflow -#if !defined(STBI_NO_LINEAR) || !defined(STBI_NO_HDR) || !defined(STBI_NO_PNM) -static int stbi__mad4sizes_valid(int a, int b, int c, int d, int add) -{ - return stbi__mul2sizes_valid(a, b) && stbi__mul2sizes_valid(a*b, c) && - stbi__mul2sizes_valid(a*b*c, d) && stbi__addsizes_valid(a*b*c*d, add); -} -#endif - -#if !defined(STBI_NO_JPEG) || !defined(STBI_NO_PNG) || !defined(STBI_NO_TGA) || !defined(STBI_NO_HDR) -// mallocs with size overflow checking -static void *stbi__malloc_mad2(int a, int b, int add) -{ - if (!stbi__mad2sizes_valid(a, b, add)) return NULL; - return stbi__malloc(a*b + add); -} -#endif - -static void *stbi__malloc_mad3(int a, int b, int c, int add) -{ - if (!stbi__mad3sizes_valid(a, b, c, add)) return NULL; - return stbi__malloc(a*b*c + add); -} - -#if !defined(STBI_NO_LINEAR) || !defined(STBI_NO_HDR) || !defined(STBI_NO_PNM) -static void *stbi__malloc_mad4(int a, int b, int c, int d, int add) -{ - if (!stbi__mad4sizes_valid(a, b, c, d, add)) return NULL; - return stbi__malloc(a*b*c*d + add); -} -#endif - -// returns 1 if the sum of two signed ints is valid (between -2^31 and 2^31-1 inclusive), 0 on overflow. -static int stbi__addints_valid(int a, int b) -{ - if ((a >= 0) != (b >= 0)) return 1; // a and b have different signs, so no overflow - if (a < 0 && b < 0) return a >= INT_MIN - b; // same as a + b >= INT_MIN; INT_MIN - b cannot overflow since b < 0. - return a <= INT_MAX - b; -} - -// returns 1 if the product of two signed shorts is valid, 0 on overflow. -static int stbi__mul2shorts_valid(short a, short b) -{ - if (b == 0 || b == -1) return 1; // multiplication by 0 is always 0; check for -1 so SHRT_MIN/b doesn't overflow - if ((a >= 0) == (b >= 0)) return a <= SHRT_MAX/b; // product is positive, so similar to mul2sizes_valid - if (b < 0) return a <= SHRT_MIN / b; // same as a * b >= SHRT_MIN - return a >= SHRT_MIN / b; -} - -// stbi__err - error -// stbi__errpf - error returning pointer to float -// stbi__errpuc - error returning pointer to unsigned char - -#ifdef STBI_NO_FAILURE_STRINGS - #define stbi__err(x,y) 0 -#elif defined(STBI_FAILURE_USERMSG) - #define stbi__err(x,y) stbi__err(y) -#else - #define stbi__err(x,y) stbi__err(x) -#endif - -#define stbi__errpf(x,y) ((float *)(size_t) (stbi__err(x,y)?NULL:NULL)) -#define stbi__errpuc(x,y) ((unsigned char *)(size_t) (stbi__err(x,y)?NULL:NULL)) - -STBIDEF void stbi_image_free(void *retval_from_stbi_load) -{ - STBI_FREE(retval_from_stbi_load); -} - -#ifndef STBI_NO_LINEAR -static float *stbi__ldr_to_hdr(stbi_uc *data, int x, int y, int comp); -#endif - -#ifndef STBI_NO_HDR -static stbi_uc *stbi__hdr_to_ldr(float *data, int x, int y, int comp); -#endif - -static int stbi__vertically_flip_on_load_global = 0; - -STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) -{ - stbi__vertically_flip_on_load_global = flag_true_if_should_flip; -} - -#ifndef STBI_THREAD_LOCAL -#define stbi__vertically_flip_on_load stbi__vertically_flip_on_load_global -#else -static STBI_THREAD_LOCAL int stbi__vertically_flip_on_load_local, stbi__vertically_flip_on_load_set; - -STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) -{ - stbi__vertically_flip_on_load_local = flag_true_if_should_flip; - stbi__vertically_flip_on_load_set = 1; -} - -#define stbi__vertically_flip_on_load (stbi__vertically_flip_on_load_set \ - ? stbi__vertically_flip_on_load_local \ - : stbi__vertically_flip_on_load_global) -#endif // STBI_THREAD_LOCAL - -static void *stbi__load_main(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri, int bpc) -{ - memset(ri, 0, sizeof(*ri)); // make sure it's initialized if we add new fields - ri->bits_per_channel = 8; // default is 8 so most paths don't have to be changed - ri->channel_order = STBI_ORDER_RGB; // all current input & output are this, but this is here so we can add BGR order - ri->num_channels = 0; - - // test the formats with a very explicit header first (at least a FOURCC - // or distinctive magic number first) - #ifndef STBI_NO_PNG - if (stbi__png_test(s)) return stbi__png_load(s,x,y,comp,req_comp, ri); - #endif - #ifndef STBI_NO_BMP - if (stbi__bmp_test(s)) return stbi__bmp_load(s,x,y,comp,req_comp, ri); - #endif - #ifndef STBI_NO_GIF - if (stbi__gif_test(s)) return stbi__gif_load(s,x,y,comp,req_comp, ri); - #endif - #ifndef STBI_NO_PSD - if (stbi__psd_test(s)) return stbi__psd_load(s,x,y,comp,req_comp, ri, bpc); - #else - STBI_NOTUSED(bpc); - #endif - #ifndef STBI_NO_PIC - if (stbi__pic_test(s)) return stbi__pic_load(s,x,y,comp,req_comp, ri); - #endif - - // then the formats that can end up attempting to load with just 1 or 2 - // bytes matching expectations; these are prone to false positives, so - // try them later - #ifndef STBI_NO_JPEG - if (stbi__jpeg_test(s)) return stbi__jpeg_load(s,x,y,comp,req_comp, ri); - #endif - #ifndef STBI_NO_PNM - if (stbi__pnm_test(s)) return stbi__pnm_load(s,x,y,comp,req_comp, ri); - #endif - - #ifndef STBI_NO_HDR - if (stbi__hdr_test(s)) { - float *hdr = stbi__hdr_load(s, x,y,comp,req_comp, ri); - return stbi__hdr_to_ldr(hdr, *x, *y, req_comp ? req_comp : *comp); - } - #endif - - #ifndef STBI_NO_TGA - // test tga last because it's a crappy test! - if (stbi__tga_test(s)) - return stbi__tga_load(s,x,y,comp,req_comp, ri); - #endif - - return stbi__errpuc("unknown image type", "Image not of any known type, or corrupt"); -} - -static stbi_uc *stbi__convert_16_to_8(stbi__uint16 *orig, int w, int h, int channels) -{ - int i; - int img_len = w * h * channels; - stbi_uc *reduced; - - reduced = (stbi_uc *) stbi__malloc(img_len); - if (reduced == NULL) return stbi__errpuc("outofmem", "Out of memory"); - - for (i = 0; i < img_len; ++i) - reduced[i] = (stbi_uc)((orig[i] >> 8) & 0xFF); // top half of each byte is sufficient approx of 16->8 bit scaling - - STBI_FREE(orig); - return reduced; -} - -static stbi__uint16 *stbi__convert_8_to_16(stbi_uc *orig, int w, int h, int channels) -{ - int i; - int img_len = w * h * channels; - stbi__uint16 *enlarged; - - enlarged = (stbi__uint16 *) stbi__malloc(img_len*2); - if (enlarged == NULL) return (stbi__uint16 *) stbi__errpuc("outofmem", "Out of memory"); - - for (i = 0; i < img_len; ++i) - enlarged[i] = (stbi__uint16)((orig[i] << 8) + orig[i]); // replicate to high and low byte, maps 0->0, 255->0xffff - - STBI_FREE(orig); - return enlarged; -} - -static void stbi__vertical_flip(void *image, int w, int h, int bytes_per_pixel) -{ - int row; - size_t bytes_per_row = (size_t)w * bytes_per_pixel; - stbi_uc temp[2048]; - stbi_uc *bytes = (stbi_uc *)image; - - for (row = 0; row < (h>>1); row++) { - stbi_uc *row0 = bytes + row*bytes_per_row; - stbi_uc *row1 = bytes + (h - row - 1)*bytes_per_row; - // swap row0 with row1 - size_t bytes_left = bytes_per_row; - while (bytes_left) { - size_t bytes_copy = (bytes_left < sizeof(temp)) ? bytes_left : sizeof(temp); - memcpy(temp, row0, bytes_copy); - memcpy(row0, row1, bytes_copy); - memcpy(row1, temp, bytes_copy); - row0 += bytes_copy; - row1 += bytes_copy; - bytes_left -= bytes_copy; - } - } -} - -#ifndef STBI_NO_GIF -static void stbi__vertical_flip_slices(void *image, int w, int h, int z, int bytes_per_pixel) -{ - int slice; - int slice_size = w * h * bytes_per_pixel; - - stbi_uc *bytes = (stbi_uc *)image; - for (slice = 0; slice < z; ++slice) { - stbi__vertical_flip(bytes, w, h, bytes_per_pixel); - bytes += slice_size; - } -} -#endif - -static unsigned char *stbi__load_and_postprocess_8bit(stbi__context *s, int *x, int *y, int *comp, int req_comp) -{ - stbi__result_info ri; - void *result = stbi__load_main(s, x, y, comp, req_comp, &ri, 8); - - if (result == NULL) - return NULL; - - // it is the responsibility of the loaders to make sure we get either 8 or 16 bit. - STBI_ASSERT(ri.bits_per_channel == 8 || ri.bits_per_channel == 16); - - if (ri.bits_per_channel != 8) { - result = stbi__convert_16_to_8((stbi__uint16 *) result, *x, *y, req_comp == 0 ? *comp : req_comp); - ri.bits_per_channel = 8; - } - - // @TODO: move stbi__convert_format to here - - if (stbi__vertically_flip_on_load) { - int channels = req_comp ? req_comp : *comp; - stbi__vertical_flip(result, *x, *y, channels * sizeof(stbi_uc)); - } - - return (unsigned char *) result; -} - -static stbi__uint16 *stbi__load_and_postprocess_16bit(stbi__context *s, int *x, int *y, int *comp, int req_comp) -{ - stbi__result_info ri; - void *result = stbi__load_main(s, x, y, comp, req_comp, &ri, 16); - - if (result == NULL) - return NULL; - - // it is the responsibility of the loaders to make sure we get either 8 or 16 bit. - STBI_ASSERT(ri.bits_per_channel == 8 || ri.bits_per_channel == 16); - - if (ri.bits_per_channel != 16) { - result = stbi__convert_8_to_16((stbi_uc *) result, *x, *y, req_comp == 0 ? *comp : req_comp); - ri.bits_per_channel = 16; - } - - // @TODO: move stbi__convert_format16 to here - // @TODO: special case RGB-to-Y (and RGBA-to-YA) for 8-bit-to-16-bit case to keep more precision - - if (stbi__vertically_flip_on_load) { - int channels = req_comp ? req_comp : *comp; - stbi__vertical_flip(result, *x, *y, channels * sizeof(stbi__uint16)); - } - - return (stbi__uint16 *) result; -} - -#if !defined(STBI_NO_HDR) && !defined(STBI_NO_LINEAR) -static void stbi__float_postprocess(float *result, int *x, int *y, int *comp, int req_comp) -{ - if (stbi__vertically_flip_on_load && result != NULL) { - int channels = req_comp ? req_comp : *comp; - stbi__vertical_flip(result, *x, *y, channels * sizeof(float)); - } -} -#endif - -#ifndef STBI_NO_STDIO - -#if defined(_WIN32) && defined(STBI_WINDOWS_UTF8) -STBI_EXTERN __declspec(dllimport) int __stdcall MultiByteToWideChar(unsigned int cp, unsigned long flags, const char *str, int cbmb, wchar_t *widestr, int cchwide); -STBI_EXTERN __declspec(dllimport) int __stdcall WideCharToMultiByte(unsigned int cp, unsigned long flags, const wchar_t *widestr, int cchwide, char *str, int cbmb, const char *defchar, int *used_default); -#endif - -#if defined(_WIN32) && defined(STBI_WINDOWS_UTF8) -STBIDEF int stbi_convert_wchar_to_utf8(char *buffer, size_t bufferlen, const wchar_t* input) -{ - return WideCharToMultiByte(65001 /* UTF8 */, 0, input, -1, buffer, (int) bufferlen, NULL, NULL); -} -#endif - -static FILE *stbi__fopen(char const *filename, char const *mode) -{ - FILE *f; -#if defined(_WIN32) && defined(STBI_WINDOWS_UTF8) - wchar_t wMode[64]; - wchar_t wFilename[1024]; - if (0 == MultiByteToWideChar(65001 /* UTF8 */, 0, filename, -1, wFilename, sizeof(wFilename)/sizeof(*wFilename))) - return 0; - - if (0 == MultiByteToWideChar(65001 /* UTF8 */, 0, mode, -1, wMode, sizeof(wMode)/sizeof(*wMode))) - return 0; - -#if defined(_MSC_VER) && _MSC_VER >= 1400 - if (0 != _wfopen_s(&f, wFilename, wMode)) - f = 0; -#else - f = _wfopen(wFilename, wMode); -#endif - -#elif defined(_MSC_VER) && _MSC_VER >= 1400 - if (0 != fopen_s(&f, filename, mode)) - f=0; -#else - f = fopen(filename, mode); -#endif - return f; -} - - -STBIDEF stbi_uc *stbi_load(char const *filename, int *x, int *y, int *comp, int req_comp) -{ - FILE *f = stbi__fopen(filename, "rb"); - unsigned char *result; - if (!f) return stbi__errpuc("can't fopen", "Unable to open file"); - result = stbi_load_from_file(f,x,y,comp,req_comp); - fclose(f); - return result; -} - -STBIDEF stbi_uc *stbi_load_from_file(FILE *f, int *x, int *y, int *comp, int req_comp) -{ - unsigned char *result; - stbi__context s; - stbi__start_file(&s,f); - result = stbi__load_and_postprocess_8bit(&s,x,y,comp,req_comp); - if (result) { - // need to 'unget' all the characters in the IO buffer - fseek(f, - (int) (s.img_buffer_end - s.img_buffer), SEEK_CUR); - } - return result; -} - -STBIDEF stbi__uint16 *stbi_load_from_file_16(FILE *f, int *x, int *y, int *comp, int req_comp) -{ - stbi__uint16 *result; - stbi__context s; - stbi__start_file(&s,f); - result = stbi__load_and_postprocess_16bit(&s,x,y,comp,req_comp); - if (result) { - // need to 'unget' all the characters in the IO buffer - fseek(f, - (int) (s.img_buffer_end - s.img_buffer), SEEK_CUR); - } - return result; -} - -STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) -{ - FILE *f = stbi__fopen(filename, "rb"); - stbi__uint16 *result; - if (!f) return (stbi_us *) stbi__errpuc("can't fopen", "Unable to open file"); - result = stbi_load_from_file_16(f,x,y,comp,req_comp); - fclose(f); - return result; -} - - -#endif //!STBI_NO_STDIO - -STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) -{ - stbi__context s; - stbi__start_mem(&s,buffer,len); - return stbi__load_and_postprocess_16bit(&s,x,y,channels_in_file,desired_channels); -} - -STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) -{ - stbi__context s; - stbi__start_callbacks(&s, (stbi_io_callbacks *)clbk, user); - return stbi__load_and_postprocess_16bit(&s,x,y,channels_in_file,desired_channels); -} - -STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) -{ - stbi__context s; - stbi__start_mem(&s,buffer,len); - return stbi__load_and_postprocess_8bit(&s,x,y,comp,req_comp); -} - -STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) -{ - stbi__context s; - stbi__start_callbacks(&s, (stbi_io_callbacks *) clbk, user); - return stbi__load_and_postprocess_8bit(&s,x,y,comp,req_comp); -} - -#ifndef STBI_NO_GIF -STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) -{ - unsigned char *result; - stbi__context s; - stbi__start_mem(&s,buffer,len); - - result = (unsigned char*) stbi__load_gif_main(&s, delays, x, y, z, comp, req_comp); - if (stbi__vertically_flip_on_load) { - stbi__vertical_flip_slices( result, *x, *y, *z, *comp ); - } - - return result; -} -#endif - -#ifndef STBI_NO_LINEAR -static float *stbi__loadf_main(stbi__context *s, int *x, int *y, int *comp, int req_comp) -{ - unsigned char *data; - #ifndef STBI_NO_HDR - if (stbi__hdr_test(s)) { - stbi__result_info ri; - float *hdr_data = stbi__hdr_load(s,x,y,comp,req_comp, &ri); - if (hdr_data) - stbi__float_postprocess(hdr_data,x,y,comp,req_comp); - return hdr_data; - } - #endif - data = stbi__load_and_postprocess_8bit(s, x, y, comp, req_comp); - if (data) - return stbi__ldr_to_hdr(data, *x, *y, req_comp ? req_comp : *comp); - return stbi__errpf("unknown image type", "Image not of any known type, or corrupt"); -} - -STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) -{ - stbi__context s; - stbi__start_mem(&s,buffer,len); - return stbi__loadf_main(&s,x,y,comp,req_comp); -} - -STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) -{ - stbi__context s; - stbi__start_callbacks(&s, (stbi_io_callbacks *) clbk, user); - return stbi__loadf_main(&s,x,y,comp,req_comp); -} - -#ifndef STBI_NO_STDIO -STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) -{ - float *result; - FILE *f = stbi__fopen(filename, "rb"); - if (!f) return stbi__errpf("can't fopen", "Unable to open file"); - result = stbi_loadf_from_file(f,x,y,comp,req_comp); - fclose(f); - return result; -} - -STBIDEF float *stbi_loadf_from_file(FILE *f, int *x, int *y, int *comp, int req_comp) -{ - stbi__context s; - stbi__start_file(&s,f); - return stbi__loadf_main(&s,x,y,comp,req_comp); -} -#endif // !STBI_NO_STDIO - -#endif // !STBI_NO_LINEAR - -// these is-hdr-or-not is defined independent of whether STBI_NO_LINEAR is -// defined, for API simplicity; if STBI_NO_LINEAR is defined, it always -// reports false! - -STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) -{ - #ifndef STBI_NO_HDR - stbi__context s; - stbi__start_mem(&s,buffer,len); - return stbi__hdr_test(&s); - #else - STBI_NOTUSED(buffer); - STBI_NOTUSED(len); - return 0; - #endif -} - -#ifndef STBI_NO_STDIO -STBIDEF int stbi_is_hdr (char const *filename) -{ - FILE *f = stbi__fopen(filename, "rb"); - int result=0; - if (f) { - result = stbi_is_hdr_from_file(f); - fclose(f); - } - return result; -} - -STBIDEF int stbi_is_hdr_from_file(FILE *f) -{ - #ifndef STBI_NO_HDR - long pos = ftell(f); - int res; - stbi__context s; - stbi__start_file(&s,f); - res = stbi__hdr_test(&s); - fseek(f, pos, SEEK_SET); - return res; - #else - STBI_NOTUSED(f); - return 0; - #endif -} -#endif // !STBI_NO_STDIO - -STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) -{ - #ifndef STBI_NO_HDR - stbi__context s; - stbi__start_callbacks(&s, (stbi_io_callbacks *) clbk, user); - return stbi__hdr_test(&s); - #else - STBI_NOTUSED(clbk); - STBI_NOTUSED(user); - return 0; - #endif -} - -#ifndef STBI_NO_LINEAR -static float stbi__l2h_gamma=2.2f, stbi__l2h_scale=1.0f; - -STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } -STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } -#endif - -static float stbi__h2l_gamma_i=1.0f/2.2f, stbi__h2l_scale_i=1.0f; - -STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } -STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } - - -////////////////////////////////////////////////////////////////////////////// -// -// Common code used by all image loaders -// - -enum -{ - STBI__SCAN_load=0, - STBI__SCAN_type, - STBI__SCAN_header -}; - -static void stbi__refill_buffer(stbi__context *s) -{ - int n = (s->io.read)(s->io_user_data,(char*)s->buffer_start,s->buflen); - s->callback_already_read += (int) (s->img_buffer - s->img_buffer_original); - if (n == 0) { - // at end of file, treat same as if from memory, but need to handle case - // where s->img_buffer isn't pointing to safe memory, e.g. 0-byte file - s->read_from_callbacks = 0; - s->img_buffer = s->buffer_start; - s->img_buffer_end = s->buffer_start+1; - *s->img_buffer = 0; - } else { - s->img_buffer = s->buffer_start; - s->img_buffer_end = s->buffer_start + n; - } -} - -stbi_inline static stbi_uc stbi__get8(stbi__context *s) -{ - if (s->img_buffer < s->img_buffer_end) - return *s->img_buffer++; - if (s->read_from_callbacks) { - stbi__refill_buffer(s); - return *s->img_buffer++; - } - return 0; -} - -#if defined(STBI_NO_JPEG) && defined(STBI_NO_HDR) && defined(STBI_NO_PIC) && defined(STBI_NO_PNM) -// nothing -#else -stbi_inline static int stbi__at_eof(stbi__context *s) -{ - if (s->io.read) { - if (!(s->io.eof)(s->io_user_data)) return 0; - // if feof() is true, check if buffer = end - // special case: we've only got the special 0 character at the end - if (s->read_from_callbacks == 0) return 1; - } - - return s->img_buffer >= s->img_buffer_end; -} -#endif - -#if defined(STBI_NO_JPEG) && defined(STBI_NO_PNG) && defined(STBI_NO_BMP) && defined(STBI_NO_PSD) && defined(STBI_NO_TGA) && defined(STBI_NO_GIF) && defined(STBI_NO_PIC) -// nothing -#else -static void stbi__skip(stbi__context *s, int n) -{ - if (n == 0) return; // already there! - if (n < 0) { - s->img_buffer = s->img_buffer_end; - return; - } - if (s->io.read) { - int blen = (int) (s->img_buffer_end - s->img_buffer); - if (blen < n) { - s->img_buffer = s->img_buffer_end; - (s->io.skip)(s->io_user_data, n - blen); - return; - } - } - s->img_buffer += n; -} -#endif - -#if defined(STBI_NO_PNG) && defined(STBI_NO_TGA) && defined(STBI_NO_HDR) && defined(STBI_NO_PNM) -// nothing -#else -static int stbi__getn(stbi__context *s, stbi_uc *buffer, int n) -{ - if (s->io.read) { - int blen = (int) (s->img_buffer_end - s->img_buffer); - if (blen < n) { - int res, count; - - memcpy(buffer, s->img_buffer, blen); - - count = (s->io.read)(s->io_user_data, (char*) buffer + blen, n - blen); - res = (count == (n-blen)); - s->img_buffer = s->img_buffer_end; - return res; - } - } - - if (s->img_buffer+n <= s->img_buffer_end) { - memcpy(buffer, s->img_buffer, n); - s->img_buffer += n; - return 1; - } else - return 0; -} -#endif - -#if defined(STBI_NO_JPEG) && defined(STBI_NO_PNG) && defined(STBI_NO_PSD) && defined(STBI_NO_PIC) -// nothing -#else -static int stbi__get16be(stbi__context *s) -{ - int z = stbi__get8(s); - return (z << 8) + stbi__get8(s); -} -#endif - -#if defined(STBI_NO_PNG) && defined(STBI_NO_PSD) && defined(STBI_NO_PIC) -// nothing -#else -static stbi__uint32 stbi__get32be(stbi__context *s) -{ - stbi__uint32 z = stbi__get16be(s); - return (z << 16) + stbi__get16be(s); -} -#endif - -#if defined(STBI_NO_BMP) && defined(STBI_NO_TGA) && defined(STBI_NO_GIF) -// nothing -#else -static int stbi__get16le(stbi__context *s) -{ - int z = stbi__get8(s); - return z + (stbi__get8(s) << 8); -} -#endif - -#ifndef STBI_NO_BMP -static stbi__uint32 stbi__get32le(stbi__context *s) -{ - stbi__uint32 z = stbi__get16le(s); - z += (stbi__uint32)stbi__get16le(s) << 16; - return z; -} -#endif - -#define STBI__BYTECAST(x) ((stbi_uc) ((x) & 255)) // truncate int to byte without warnings - -#if defined(STBI_NO_JPEG) && defined(STBI_NO_PNG) && defined(STBI_NO_BMP) && defined(STBI_NO_PSD) && defined(STBI_NO_TGA) && defined(STBI_NO_GIF) && defined(STBI_NO_PIC) && defined(STBI_NO_PNM) -// nothing -#else -////////////////////////////////////////////////////////////////////////////// -// -// generic converter from built-in img_n to req_comp -// individual types do this automatically as much as possible (e.g. jpeg -// does all cases internally since it needs to colorspace convert anyway, -// and it never has alpha, so very few cases ). png can automatically -// interleave an alpha=255 channel, but falls back to this for other cases -// -// assume data buffer is malloced, so malloc a new one and free that one -// only failure mode is malloc failing - -static stbi_uc stbi__compute_y(int r, int g, int b) -{ - return (stbi_uc) (((r*77) + (g*150) + (29*b)) >> 8); -} -#endif - -#if defined(STBI_NO_PNG) && defined(STBI_NO_BMP) && defined(STBI_NO_PSD) && defined(STBI_NO_TGA) && defined(STBI_NO_GIF) && defined(STBI_NO_PIC) && defined(STBI_NO_PNM) -// nothing -#else -static unsigned char *stbi__convert_format(unsigned char *data, int img_n, int req_comp, unsigned int x, unsigned int y) -{ - int i,j; - unsigned char *good; - - if (req_comp == img_n) return data; - STBI_ASSERT(req_comp >= 1 && req_comp <= 4); - - good = (unsigned char *) stbi__malloc_mad3(req_comp, x, y, 0); - if (good == NULL) { - STBI_FREE(data); - return stbi__errpuc("outofmem", "Out of memory"); - } - - for (j=0; j < (int) y; ++j) { - unsigned char *src = data + j * x * img_n ; - unsigned char *dest = good + j * x * req_comp; - - #define STBI__COMBO(a,b) ((a)*8+(b)) - #define STBI__CASE(a,b) case STBI__COMBO(a,b): for(i=x-1; i >= 0; --i, src += a, dest += b) - // convert source image with img_n components to one with req_comp components; - // avoid switch per pixel, so use switch per scanline and massive macros - switch (STBI__COMBO(img_n, req_comp)) { - STBI__CASE(1,2) { dest[0]=src[0]; dest[1]=255; } break; - STBI__CASE(1,3) { dest[0]=dest[1]=dest[2]=src[0]; } break; - STBI__CASE(1,4) { dest[0]=dest[1]=dest[2]=src[0]; dest[3]=255; } break; - STBI__CASE(2,1) { dest[0]=src[0]; } break; - STBI__CASE(2,3) { dest[0]=dest[1]=dest[2]=src[0]; } break; - STBI__CASE(2,4) { dest[0]=dest[1]=dest[2]=src[0]; dest[3]=src[1]; } break; - STBI__CASE(3,4) { dest[0]=src[0];dest[1]=src[1];dest[2]=src[2];dest[3]=255; } break; - STBI__CASE(3,1) { dest[0]=stbi__compute_y(src[0],src[1],src[2]); } break; - STBI__CASE(3,2) { dest[0]=stbi__compute_y(src[0],src[1],src[2]); dest[1] = 255; } break; - STBI__CASE(4,1) { dest[0]=stbi__compute_y(src[0],src[1],src[2]); } break; - STBI__CASE(4,2) { dest[0]=stbi__compute_y(src[0],src[1],src[2]); dest[1] = src[3]; } break; - STBI__CASE(4,3) { dest[0]=src[0];dest[1]=src[1];dest[2]=src[2]; } break; - default: STBI_ASSERT(0); STBI_FREE(data); STBI_FREE(good); return stbi__errpuc("unsupported", "Unsupported format conversion"); - } - #undef STBI__CASE - } - - STBI_FREE(data); - return good; -} -#endif - -#if defined(STBI_NO_PNG) && defined(STBI_NO_PSD) -// nothing -#else -static stbi__uint16 stbi__compute_y_16(int r, int g, int b) -{ - return (stbi__uint16) (((r*77) + (g*150) + (29*b)) >> 8); -} -#endif - -#if defined(STBI_NO_PNG) && defined(STBI_NO_PSD) -// nothing -#else -static stbi__uint16 *stbi__convert_format16(stbi__uint16 *data, int img_n, int req_comp, unsigned int x, unsigned int y) -{ - int i,j; - stbi__uint16 *good; - - if (req_comp == img_n) return data; - STBI_ASSERT(req_comp >= 1 && req_comp <= 4); - - good = (stbi__uint16 *) stbi__malloc(req_comp * x * y * 2); - if (good == NULL) { - STBI_FREE(data); - return (stbi__uint16 *) stbi__errpuc("outofmem", "Out of memory"); - } - - for (j=0; j < (int) y; ++j) { - stbi__uint16 *src = data + j * x * img_n ; - stbi__uint16 *dest = good + j * x * req_comp; - - #define STBI__COMBO(a,b) ((a)*8+(b)) - #define STBI__CASE(a,b) case STBI__COMBO(a,b): for(i=x-1; i >= 0; --i, src += a, dest += b) - // convert source image with img_n components to one with req_comp components; - // avoid switch per pixel, so use switch per scanline and massive macros - switch (STBI__COMBO(img_n, req_comp)) { - STBI__CASE(1,2) { dest[0]=src[0]; dest[1]=0xffff; } break; - STBI__CASE(1,3) { dest[0]=dest[1]=dest[2]=src[0]; } break; - STBI__CASE(1,4) { dest[0]=dest[1]=dest[2]=src[0]; dest[3]=0xffff; } break; - STBI__CASE(2,1) { dest[0]=src[0]; } break; - STBI__CASE(2,3) { dest[0]=dest[1]=dest[2]=src[0]; } break; - STBI__CASE(2,4) { dest[0]=dest[1]=dest[2]=src[0]; dest[3]=src[1]; } break; - STBI__CASE(3,4) { dest[0]=src[0];dest[1]=src[1];dest[2]=src[2];dest[3]=0xffff; } break; - STBI__CASE(3,1) { dest[0]=stbi__compute_y_16(src[0],src[1],src[2]); } break; - STBI__CASE(3,2) { dest[0]=stbi__compute_y_16(src[0],src[1],src[2]); dest[1] = 0xffff; } break; - STBI__CASE(4,1) { dest[0]=stbi__compute_y_16(src[0],src[1],src[2]); } break; - STBI__CASE(4,2) { dest[0]=stbi__compute_y_16(src[0],src[1],src[2]); dest[1] = src[3]; } break; - STBI__CASE(4,3) { dest[0]=src[0];dest[1]=src[1];dest[2]=src[2]; } break; - default: STBI_ASSERT(0); STBI_FREE(data); STBI_FREE(good); return (stbi__uint16*) stbi__errpuc("unsupported", "Unsupported format conversion"); - } - #undef STBI__CASE - } - - STBI_FREE(data); - return good; -} -#endif - -#ifndef STBI_NO_LINEAR -static float *stbi__ldr_to_hdr(stbi_uc *data, int x, int y, int comp) -{ - int i,k,n; - float *output; - if (!data) return NULL; - output = (float *) stbi__malloc_mad4(x, y, comp, sizeof(float), 0); - if (output == NULL) { STBI_FREE(data); return stbi__errpf("outofmem", "Out of memory"); } - // compute number of non-alpha components - if (comp & 1) n = comp; else n = comp-1; - for (i=0; i < x*y; ++i) { - for (k=0; k < n; ++k) { - output[i*comp + k] = (float) (pow(data[i*comp+k]/255.0f, stbi__l2h_gamma) * stbi__l2h_scale); - } - } - if (n < comp) { - for (i=0; i < x*y; ++i) { - output[i*comp + n] = data[i*comp + n]/255.0f; - } - } - STBI_FREE(data); - return output; -} -#endif - -#ifndef STBI_NO_HDR -#define stbi__float2int(x) ((int) (x)) -static stbi_uc *stbi__hdr_to_ldr(float *data, int x, int y, int comp) -{ - int i,k,n; - stbi_uc *output; - if (!data) return NULL; - output = (stbi_uc *) stbi__malloc_mad3(x, y, comp, 0); - if (output == NULL) { STBI_FREE(data); return stbi__errpuc("outofmem", "Out of memory"); } - // compute number of non-alpha components - if (comp & 1) n = comp; else n = comp-1; - for (i=0; i < x*y; ++i) { - for (k=0; k < n; ++k) { - float z = (float) pow(data[i*comp+k]*stbi__h2l_scale_i, stbi__h2l_gamma_i) * 255 + 0.5f; - if (z < 0) z = 0; - if (z > 255) z = 255; - output[i*comp + k] = (stbi_uc) stbi__float2int(z); - } - if (k < comp) { - float z = data[i*comp+k] * 255 + 0.5f; - if (z < 0) z = 0; - if (z > 255) z = 255; - output[i*comp + k] = (stbi_uc) stbi__float2int(z); - } - } - STBI_FREE(data); - return output; -} -#endif - -////////////////////////////////////////////////////////////////////////////// -// -// "baseline" JPEG/JFIF decoder -// -// simple implementation -// - doesn't support delayed output of y-dimension -// - simple interface (only one output format: 8-bit interleaved RGB) -// - doesn't try to recover corrupt jpegs -// - doesn't allow partial loading, loading multiple at once -// - still fast on x86 (copying globals into locals doesn't help x86) -// - allocates lots of intermediate memory (full size of all components) -// - non-interleaved case requires this anyway -// - allows good upsampling (see next) -// high-quality -// - upsampled channels are bilinearly interpolated, even across blocks -// - quality integer IDCT derived from IJG's 'slow' -// performance -// - fast huffman; reasonable integer IDCT -// - some SIMD kernels for common paths on targets with SSE2/NEON -// - uses a lot of intermediate memory, could cache poorly - -#ifndef STBI_NO_JPEG - -// huffman decoding acceleration -#define FAST_BITS 9 // larger handles more cases; smaller stomps less cache - -typedef struct -{ - stbi_uc fast[1 << FAST_BITS]; - // weirdly, repacking this into AoS is a 10% speed loss, instead of a win - stbi__uint16 code[256]; - stbi_uc values[256]; - stbi_uc size[257]; - unsigned int maxcode[18]; - int delta[17]; // old 'firstsymbol' - old 'firstcode' -} stbi__huffman; - -typedef struct -{ - stbi__context *s; - stbi__huffman huff_dc[4]; - stbi__huffman huff_ac[4]; - stbi__uint16 dequant[4][64]; - stbi__int16 fast_ac[4][1 << FAST_BITS]; - -// sizes for components, interleaved MCUs - int img_h_max, img_v_max; - int img_mcu_x, img_mcu_y; - int img_mcu_w, img_mcu_h; - -// definition of jpeg image component - struct - { - int id; - int h,v; - int tq; - int hd,ha; - int dc_pred; - - int x,y,w2,h2; - stbi_uc *data; - void *raw_data, *raw_coeff; - stbi_uc *linebuf; - short *coeff; // progressive only - int coeff_w, coeff_h; // number of 8x8 coefficient blocks - } img_comp[4]; - - stbi__uint32 code_buffer; // jpeg entropy-coded buffer - int code_bits; // number of valid bits - unsigned char marker; // marker seen while filling entropy buffer - int nomore; // flag if we saw a marker so must stop - - int progressive; - int spec_start; - int spec_end; - int succ_high; - int succ_low; - int eob_run; - int jfif; - int app14_color_transform; // Adobe APP14 tag - int rgb; - - int scan_n, order[4]; - int restart_interval, todo; - -// kernels - void (*idct_block_kernel)(stbi_uc *out, int out_stride, short data[64]); - void (*YCbCr_to_RGB_kernel)(stbi_uc *out, const stbi_uc *y, const stbi_uc *pcb, const stbi_uc *pcr, int count, int step); - stbi_uc *(*resample_row_hv_2_kernel)(stbi_uc *out, stbi_uc *in_near, stbi_uc *in_far, int w, int hs); -} stbi__jpeg; - -static int stbi__build_huffman(stbi__huffman *h, int *count) -{ - int i,j,k=0; - unsigned int code; - // build size list for each symbol (from JPEG spec) - for (i=0; i < 16; ++i) { - for (j=0; j < count[i]; ++j) { - h->size[k++] = (stbi_uc) (i+1); - if(k >= 257) return stbi__err("bad size list","Corrupt JPEG"); - } - } - h->size[k] = 0; - - // compute actual symbols (from jpeg spec) - code = 0; - k = 0; - for(j=1; j <= 16; ++j) { - // compute delta to add to code to compute symbol id - h->delta[j] = k - code; - if (h->size[k] == j) { - while (h->size[k] == j) - h->code[k++] = (stbi__uint16) (code++); - if (code-1 >= (1u << j)) return stbi__err("bad code lengths","Corrupt JPEG"); - } - // compute largest code + 1 for this size, preshifted as needed later - h->maxcode[j] = code << (16-j); - code <<= 1; - } - h->maxcode[j] = 0xffffffff; - - // build non-spec acceleration table; 255 is flag for not-accelerated - memset(h->fast, 255, 1 << FAST_BITS); - for (i=0; i < k; ++i) { - int s = h->size[i]; - if (s <= FAST_BITS) { - int c = h->code[i] << (FAST_BITS-s); - int m = 1 << (FAST_BITS-s); - for (j=0; j < m; ++j) { - h->fast[c+j] = (stbi_uc) i; - } - } - } - return 1; -} - -// build a table that decodes both magnitude and value of small ACs in -// one go. -static void stbi__build_fast_ac(stbi__int16 *fast_ac, stbi__huffman *h) -{ - int i; - for (i=0; i < (1 << FAST_BITS); ++i) { - stbi_uc fast = h->fast[i]; - fast_ac[i] = 0; - if (fast < 255) { - int rs = h->values[fast]; - int run = (rs >> 4) & 15; - int magbits = rs & 15; - int len = h->size[fast]; - - if (magbits && len + magbits <= FAST_BITS) { - // magnitude code followed by receive_extend code - int k = ((i << len) & ((1 << FAST_BITS) - 1)) >> (FAST_BITS - magbits); - int m = 1 << (magbits - 1); - if (k < m) k += (~0U << magbits) + 1; - // if the result is small enough, we can fit it in fast_ac table - if (k >= -128 && k <= 127) - fast_ac[i] = (stbi__int16) ((k * 256) + (run * 16) + (len + magbits)); - } - } - } -} - -static void stbi__grow_buffer_unsafe(stbi__jpeg *j) -{ - do { - unsigned int b = j->nomore ? 0 : stbi__get8(j->s); - if (b == 0xff) { - int c = stbi__get8(j->s); - while (c == 0xff) c = stbi__get8(j->s); // consume fill bytes - if (c != 0) { - j->marker = (unsigned char) c; - j->nomore = 1; - return; - } - } - j->code_buffer |= b << (24 - j->code_bits); - j->code_bits += 8; - } while (j->code_bits <= 24); -} - -// (1 << n) - 1 -static const stbi__uint32 stbi__bmask[17]={0,1,3,7,15,31,63,127,255,511,1023,2047,4095,8191,16383,32767,65535}; - -// decode a jpeg huffman value from the bitstream -stbi_inline static int stbi__jpeg_huff_decode(stbi__jpeg *j, stbi__huffman *h) -{ - unsigned int temp; - int c,k; - - if (j->code_bits < 16) stbi__grow_buffer_unsafe(j); - - // look at the top FAST_BITS and determine what symbol ID it is, - // if the code is <= FAST_BITS - c = (j->code_buffer >> (32 - FAST_BITS)) & ((1 << FAST_BITS)-1); - k = h->fast[c]; - if (k < 255) { - int s = h->size[k]; - if (s > j->code_bits) - return -1; - j->code_buffer <<= s; - j->code_bits -= s; - return h->values[k]; - } - - // naive test is to shift the code_buffer down so k bits are - // valid, then test against maxcode. To speed this up, we've - // preshifted maxcode left so that it has (16-k) 0s at the - // end; in other words, regardless of the number of bits, it - // wants to be compared against something shifted to have 16; - // that way we don't need to shift inside the loop. - temp = j->code_buffer >> 16; - for (k=FAST_BITS+1 ; ; ++k) - if (temp < h->maxcode[k]) - break; - if (k == 17) { - // error! code not found - j->code_bits -= 16; - return -1; - } - - if (k > j->code_bits) - return -1; - - // convert the huffman code to the symbol id - c = ((j->code_buffer >> (32 - k)) & stbi__bmask[k]) + h->delta[k]; - if(c < 0 || c >= 256) // symbol id out of bounds! - return -1; - STBI_ASSERT((((j->code_buffer) >> (32 - h->size[c])) & stbi__bmask[h->size[c]]) == h->code[c]); - - // convert the id to a symbol - j->code_bits -= k; - j->code_buffer <<= k; - return h->values[c]; -} - -// bias[n] = (-1<<n) + 1 -static const int stbi__jbias[16] = {0,-1,-3,-7,-15,-31,-63,-127,-255,-511,-1023,-2047,-4095,-8191,-16383,-32767}; - -// combined JPEG 'receive' and JPEG 'extend', since baseline -// always extends everything it receives. -stbi_inline static int stbi__extend_receive(stbi__jpeg *j, int n) -{ - unsigned int k; - int sgn; - if (j->code_bits < n) stbi__grow_buffer_unsafe(j); - if (j->code_bits < n) return 0; // ran out of bits from stream, return 0s intead of continuing - - sgn = j->code_buffer >> 31; // sign bit always in MSB; 0 if MSB clear (positive), 1 if MSB set (negative) - k = stbi_lrot(j->code_buffer, n); - j->code_buffer = k & ~stbi__bmask[n]; - k &= stbi__bmask[n]; - j->code_bits -= n; - return k + (stbi__jbias[n] & (sgn - 1)); -} - -// get some unsigned bits -stbi_inline static int stbi__jpeg_get_bits(stbi__jpeg *j, int n) -{ - unsigned int k; - if (j->code_bits < n) stbi__grow_buffer_unsafe(j); - if (j->code_bits < n) return 0; // ran out of bits from stream, return 0s intead of continuing - k = stbi_lrot(j->code_buffer, n); - j->code_buffer = k & ~stbi__bmask[n]; - k &= stbi__bmask[n]; - j->code_bits -= n; - return k; -} - -stbi_inline static int stbi__jpeg_get_bit(stbi__jpeg *j) -{ - unsigned int k; - if (j->code_bits < 1) stbi__grow_buffer_unsafe(j); - if (j->code_bits < 1) return 0; // ran out of bits from stream, return 0s intead of continuing - k = j->code_buffer; - j->code_buffer <<= 1; - --j->code_bits; - return k & 0x80000000; -} - -// given a value that's at position X in the zigzag stream, -// where does it appear in the 8x8 matrix coded as row-major? -static const stbi_uc stbi__jpeg_dezigzag[64+15] = -{ - 0, 1, 8, 16, 9, 2, 3, 10, - 17, 24, 32, 25, 18, 11, 4, 5, - 12, 19, 26, 33, 40, 48, 41, 34, - 27, 20, 13, 6, 7, 14, 21, 28, - 35, 42, 49, 56, 57, 50, 43, 36, - 29, 22, 15, 23, 30, 37, 44, 51, - 58, 59, 52, 45, 38, 31, 39, 46, - 53, 60, 61, 54, 47, 55, 62, 63, - // let corrupt input sample past end - 63, 63, 63, 63, 63, 63, 63, 63, - 63, 63, 63, 63, 63, 63, 63 -}; - -// decode one 64-entry block-- -static int stbi__jpeg_decode_block(stbi__jpeg *j, short data[64], stbi__huffman *hdc, stbi__huffman *hac, stbi__int16 *fac, int b, stbi__uint16 *dequant) -{ - int diff,dc,k; - int t; - - if (j->code_bits < 16) stbi__grow_buffer_unsafe(j); - t = stbi__jpeg_huff_decode(j, hdc); - if (t < 0 || t > 15) return stbi__err("bad huffman code","Corrupt JPEG"); - - // 0 all the ac values now so we can do it 32-bits at a time - memset(data,0,64*sizeof(data[0])); - - diff = t ? stbi__extend_receive(j, t) : 0; - if (!stbi__addints_valid(j->img_comp[b].dc_pred, diff)) return stbi__err("bad delta","Corrupt JPEG"); - dc = j->img_comp[b].dc_pred + diff; - j->img_comp[b].dc_pred = dc; - if (!stbi__mul2shorts_valid(dc, dequant[0])) return stbi__err("can't merge dc and ac", "Corrupt JPEG"); - data[0] = (short) (dc * dequant[0]); - - // decode AC components, see JPEG spec - k = 1; - do { - unsigned int zig; - int c,r,s; - if (j->code_bits < 16) stbi__grow_buffer_unsafe(j); - c = (j->code_buffer >> (32 - FAST_BITS)) & ((1 << FAST_BITS)-1); - r = fac[c]; - if (r) { // fast-AC path - k += (r >> 4) & 15; // run - s = r & 15; // combined length - if (s > j->code_bits) return stbi__err("bad huffman code", "Combined length longer than code bits available"); - j->code_buffer <<= s; - j->code_bits -= s; - // decode into unzigzag'd location - zig = stbi__jpeg_dezigzag[k++]; - data[zig] = (short) ((r >> 8) * dequant[zig]); - } else { - int rs = stbi__jpeg_huff_decode(j, hac); - if (rs < 0) return stbi__err("bad huffman code","Corrupt JPEG"); - s = rs & 15; - r = rs >> 4; - if (s == 0) { - if (rs != 0xf0) break; // end block - k += 16; - } else { - k += r; - // decode into unzigzag'd location - zig = stbi__jpeg_dezigzag[k++]; - data[zig] = (short) (stbi__extend_receive(j,s) * dequant[zig]); - } - } - } while (k < 64); - return 1; -} - -static int stbi__jpeg_decode_block_prog_dc(stbi__jpeg *j, short data[64], stbi__huffman *hdc, int b) -{ - int diff,dc; - int t; - if (j->spec_end != 0) return stbi__err("can't merge dc and ac", "Corrupt JPEG"); - - if (j->code_bits < 16) stbi__grow_buffer_unsafe(j); - - if (j->succ_high == 0) { - // first scan for DC coefficient, must be first - memset(data,0,64*sizeof(data[0])); // 0 all the ac values now - t = stbi__jpeg_huff_decode(j, hdc); - if (t < 0 || t > 15) return stbi__err("can't merge dc and ac", "Corrupt JPEG"); - diff = t ? stbi__extend_receive(j, t) : 0; - - if (!stbi__addints_valid(j->img_comp[b].dc_pred, diff)) return stbi__err("bad delta", "Corrupt JPEG"); - dc = j->img_comp[b].dc_pred + diff; - j->img_comp[b].dc_pred = dc; - if (!stbi__mul2shorts_valid(dc, 1 << j->succ_low)) return stbi__err("can't merge dc and ac", "Corrupt JPEG"); - data[0] = (short) (dc * (1 << j->succ_low)); - } else { - // refinement scan for DC coefficient - if (stbi__jpeg_get_bit(j)) - data[0] += (short) (1 << j->succ_low); - } - return 1; -} - -// @OPTIMIZE: store non-zigzagged during the decode passes, -// and only de-zigzag when dequantizing -static int stbi__jpeg_decode_block_prog_ac(stbi__jpeg *j, short data[64], stbi__huffman *hac, stbi__int16 *fac) -{ - int k; - if (j->spec_start == 0) return stbi__err("can't merge dc and ac", "Corrupt JPEG"); - - if (j->succ_high == 0) { - int shift = j->succ_low; - - if (j->eob_run) { - --j->eob_run; - return 1; - } - - k = j->spec_start; - do { - unsigned int zig; - int c,r,s; - if (j->code_bits < 16) stbi__grow_buffer_unsafe(j); - c = (j->code_buffer >> (32 - FAST_BITS)) & ((1 << FAST_BITS)-1); - r = fac[c]; - if (r) { // fast-AC path - k += (r >> 4) & 15; // run - s = r & 15; // combined length - if (s > j->code_bits) return stbi__err("bad huffman code", "Combined length longer than code bits available"); - j->code_buffer <<= s; - j->code_bits -= s; - zig = stbi__jpeg_dezigzag[k++]; - data[zig] = (short) ((r >> 8) * (1 << shift)); - } else { - int rs = stbi__jpeg_huff_decode(j, hac); - if (rs < 0) return stbi__err("bad huffman code","Corrupt JPEG"); - s = rs & 15; - r = rs >> 4; - if (s == 0) { - if (r < 15) { - j->eob_run = (1 << r); - if (r) - j->eob_run += stbi__jpeg_get_bits(j, r); - --j->eob_run; - break; - } - k += 16; - } else { - k += r; - zig = stbi__jpeg_dezigzag[k++]; - data[zig] = (short) (stbi__extend_receive(j,s) * (1 << shift)); - } - } - } while (k <= j->spec_end); - } else { - // refinement scan for these AC coefficients - - short bit = (short) (1 << j->succ_low); - - if (j->eob_run) { - --j->eob_run; - for (k = j->spec_start; k <= j->spec_end; ++k) { - short *p = &data[stbi__jpeg_dezigzag[k]]; - if (*p != 0) - if (stbi__jpeg_get_bit(j)) - if ((*p & bit)==0) { - if (*p > 0) - *p += bit; - else - *p -= bit; - } - } - } else { - k = j->spec_start; - do { - int r,s; - int rs = stbi__jpeg_huff_decode(j, hac); // @OPTIMIZE see if we can use the fast path here, advance-by-r is so slow, eh - if (rs < 0) return stbi__err("bad huffman code","Corrupt JPEG"); - s = rs & 15; - r = rs >> 4; - if (s == 0) { - if (r < 15) { - j->eob_run = (1 << r) - 1; - if (r) - j->eob_run += stbi__jpeg_get_bits(j, r); - r = 64; // force end of block - } else { - // r=15 s=0 should write 16 0s, so we just do - // a run of 15 0s and then write s (which is 0), - // so we don't have to do anything special here - } - } else { - if (s != 1) return stbi__err("bad huffman code", "Corrupt JPEG"); - // sign bit - if (stbi__jpeg_get_bit(j)) - s = bit; - else - s = -bit; - } - - // advance by r - while (k <= j->spec_end) { - short *p = &data[stbi__jpeg_dezigzag[k++]]; - if (*p != 0) { - if (stbi__jpeg_get_bit(j)) - if ((*p & bit)==0) { - if (*p > 0) - *p += bit; - else - *p -= bit; - } - } else { - if (r == 0) { - *p = (short) s; - break; - } - --r; - } - } - } while (k <= j->spec_end); - } - } - return 1; -} - -// take a -128..127 value and stbi__clamp it and convert to 0..255 -stbi_inline static stbi_uc stbi__clamp(int x) -{ - // trick to use a single test to catch both cases - if ((unsigned int) x > 255) { - if (x < 0) return 0; - if (x > 255) return 255; - } - return (stbi_uc) x; -} - -#define stbi__f2f(x) ((int) (((x) * 4096 + 0.5))) -#define stbi__fsh(x) ((x) * 4096) - -// derived from jidctint -- DCT_ISLOW -#define STBI__IDCT_1D(s0,s1,s2,s3,s4,s5,s6,s7) \ - int t0,t1,t2,t3,p1,p2,p3,p4,p5,x0,x1,x2,x3; \ - p2 = s2; \ - p3 = s6; \ - p1 = (p2+p3) * stbi__f2f(0.5411961f); \ - t2 = p1 + p3*stbi__f2f(-1.847759065f); \ - t3 = p1 + p2*stbi__f2f( 0.765366865f); \ - p2 = s0; \ - p3 = s4; \ - t0 = stbi__fsh(p2+p3); \ - t1 = stbi__fsh(p2-p3); \ - x0 = t0+t3; \ - x3 = t0-t3; \ - x1 = t1+t2; \ - x2 = t1-t2; \ - t0 = s7; \ - t1 = s5; \ - t2 = s3; \ - t3 = s1; \ - p3 = t0+t2; \ - p4 = t1+t3; \ - p1 = t0+t3; \ - p2 = t1+t2; \ - p5 = (p3+p4)*stbi__f2f( 1.175875602f); \ - t0 = t0*stbi__f2f( 0.298631336f); \ - t1 = t1*stbi__f2f( 2.053119869f); \ - t2 = t2*stbi__f2f( 3.072711026f); \ - t3 = t3*stbi__f2f( 1.501321110f); \ - p1 = p5 + p1*stbi__f2f(-0.899976223f); \ - p2 = p5 + p2*stbi__f2f(-2.562915447f); \ - p3 = p3*stbi__f2f(-1.961570560f); \ - p4 = p4*stbi__f2f(-0.390180644f); \ - t3 += p1+p4; \ - t2 += p2+p3; \ - t1 += p2+p4; \ - t0 += p1+p3; - -static void stbi__idct_block(stbi_uc *out, int out_stride, short data[64]) -{ - int i,val[64],*v=val; - stbi_uc *o; - short *d = data; - - // columns - for (i=0; i < 8; ++i,++d, ++v) { - // if all zeroes, shortcut -- this avoids dequantizing 0s and IDCTing - if (d[ 8]==0 && d[16]==0 && d[24]==0 && d[32]==0 - && d[40]==0 && d[48]==0 && d[56]==0) { - // no shortcut 0 seconds - // (1|2|3|4|5|6|7)==0 0 seconds - // all separate -0.047 seconds - // 1 && 2|3 && 4|5 && 6|7: -0.047 seconds - int dcterm = d[0]*4; - v[0] = v[8] = v[16] = v[24] = v[32] = v[40] = v[48] = v[56] = dcterm; - } else { - STBI__IDCT_1D(d[ 0],d[ 8],d[16],d[24],d[32],d[40],d[48],d[56]) - // constants scaled things up by 1<<12; let's bring them back - // down, but keep 2 extra bits of precision - x0 += 512; x1 += 512; x2 += 512; x3 += 512; - v[ 0] = (x0+t3) >> 10; - v[56] = (x0-t3) >> 10; - v[ 8] = (x1+t2) >> 10; - v[48] = (x1-t2) >> 10; - v[16] = (x2+t1) >> 10; - v[40] = (x2-t1) >> 10; - v[24] = (x3+t0) >> 10; - v[32] = (x3-t0) >> 10; - } - } - - for (i=0, v=val, o=out; i < 8; ++i,v+=8,o+=out_stride) { - // no fast case since the first 1D IDCT spread components out - STBI__IDCT_1D(v[0],v[1],v[2],v[3],v[4],v[5],v[6],v[7]) - // constants scaled things up by 1<<12, plus we had 1<<2 from first - // loop, plus horizontal and vertical each scale by sqrt(8) so together - // we've got an extra 1<<3, so 1<<17 total we need to remove. - // so we want to round that, which means adding 0.5 * 1<<17, - // aka 65536. Also, we'll end up with -128 to 127 that we want - // to encode as 0..255 by adding 128, so we'll add that before the shift - x0 += 65536 + (128<<17); - x1 += 65536 + (128<<17); - x2 += 65536 + (128<<17); - x3 += 65536 + (128<<17); - // tried computing the shifts into temps, or'ing the temps to see - // if any were out of range, but that was slower - o[0] = stbi__clamp((x0+t3) >> 17); - o[7] = stbi__clamp((x0-t3) >> 17); - o[1] = stbi__clamp((x1+t2) >> 17); - o[6] = stbi__clamp((x1-t2) >> 17); - o[2] = stbi__clamp((x2+t1) >> 17); - o[5] = stbi__clamp((x2-t1) >> 17); - o[3] = stbi__clamp((x3+t0) >> 17); - o[4] = stbi__clamp((x3-t0) >> 17); - } -} - -#ifdef STBI_SSE2 -// sse2 integer IDCT. not the fastest possible implementation but it -// produces bit-identical results to the generic C version so it's -// fully "transparent". -static void stbi__idct_simd(stbi_uc *out, int out_stride, short data[64]) -{ - // This is constructed to match our regular (generic) integer IDCT exactly. - __m128i row0, row1, row2, row3, row4, row5, row6, row7; - __m128i tmp; - - // dot product constant: even elems=x, odd elems=y - #define dct_const(x,y) _mm_setr_epi16((x),(y),(x),(y),(x),(y),(x),(y)) - - // out(0) = c0[even]*x + c0[odd]*y (c0, x, y 16-bit, out 32-bit) - // out(1) = c1[even]*x + c1[odd]*y - #define dct_rot(out0,out1, x,y,c0,c1) \ - __m128i c0##lo = _mm_unpacklo_epi16((x),(y)); \ - __m128i c0##hi = _mm_unpackhi_epi16((x),(y)); \ - __m128i out0##_l = _mm_madd_epi16(c0##lo, c0); \ - __m128i out0##_h = _mm_madd_epi16(c0##hi, c0); \ - __m128i out1##_l = _mm_madd_epi16(c0##lo, c1); \ - __m128i out1##_h = _mm_madd_epi16(c0##hi, c1) - - // out = in << 12 (in 16-bit, out 32-bit) - #define dct_widen(out, in) \ - __m128i out##_l = _mm_srai_epi32(_mm_unpacklo_epi16(_mm_setzero_si128(), (in)), 4); \ - __m128i out##_h = _mm_srai_epi32(_mm_unpackhi_epi16(_mm_setzero_si128(), (in)), 4) - - // wide add - #define dct_wadd(out, a, b) \ - __m128i out##_l = _mm_add_epi32(a##_l, b##_l); \ - __m128i out##_h = _mm_add_epi32(a##_h, b##_h) - - // wide sub - #define dct_wsub(out, a, b) \ - __m128i out##_l = _mm_sub_epi32(a##_l, b##_l); \ - __m128i out##_h = _mm_sub_epi32(a##_h, b##_h) - - // butterfly a/b, add bias, then shift by "s" and pack - #define dct_bfly32o(out0, out1, a,b,bias,s) \ - { \ - __m128i abiased_l = _mm_add_epi32(a##_l, bias); \ - __m128i abiased_h = _mm_add_epi32(a##_h, bias); \ - dct_wadd(sum, abiased, b); \ - dct_wsub(dif, abiased, b); \ - out0 = _mm_packs_epi32(_mm_srai_epi32(sum_l, s), _mm_srai_epi32(sum_h, s)); \ - out1 = _mm_packs_epi32(_mm_srai_epi32(dif_l, s), _mm_srai_epi32(dif_h, s)); \ - } - - // 8-bit interleave step (for transposes) - #define dct_interleave8(a, b) \ - tmp = a; \ - a = _mm_unpacklo_epi8(a, b); \ - b = _mm_unpackhi_epi8(tmp, b) - - // 16-bit interleave step (for transposes) - #define dct_interleave16(a, b) \ - tmp = a; \ - a = _mm_unpacklo_epi16(a, b); \ - b = _mm_unpackhi_epi16(tmp, b) - - #define dct_pass(bias,shift) \ - { \ - /* even part */ \ - dct_rot(t2e,t3e, row2,row6, rot0_0,rot0_1); \ - __m128i sum04 = _mm_add_epi16(row0, row4); \ - __m128i dif04 = _mm_sub_epi16(row0, row4); \ - dct_widen(t0e, sum04); \ - dct_widen(t1e, dif04); \ - dct_wadd(x0, t0e, t3e); \ - dct_wsub(x3, t0e, t3e); \ - dct_wadd(x1, t1e, t2e); \ - dct_wsub(x2, t1e, t2e); \ - /* odd part */ \ - dct_rot(y0o,y2o, row7,row3, rot2_0,rot2_1); \ - dct_rot(y1o,y3o, row5,row1, rot3_0,rot3_1); \ - __m128i sum17 = _mm_add_epi16(row1, row7); \ - __m128i sum35 = _mm_add_epi16(row3, row5); \ - dct_rot(y4o,y5o, sum17,sum35, rot1_0,rot1_1); \ - dct_wadd(x4, y0o, y4o); \ - dct_wadd(x5, y1o, y5o); \ - dct_wadd(x6, y2o, y5o); \ - dct_wadd(x7, y3o, y4o); \ - dct_bfly32o(row0,row7, x0,x7,bias,shift); \ - dct_bfly32o(row1,row6, x1,x6,bias,shift); \ - dct_bfly32o(row2,row5, x2,x5,bias,shift); \ - dct_bfly32o(row3,row4, x3,x4,bias,shift); \ - } - - __m128i rot0_0 = dct_const(stbi__f2f(0.5411961f), stbi__f2f(0.5411961f) + stbi__f2f(-1.847759065f)); - __m128i rot0_1 = dct_const(stbi__f2f(0.5411961f) + stbi__f2f( 0.765366865f), stbi__f2f(0.5411961f)); - __m128i rot1_0 = dct_const(stbi__f2f(1.175875602f) + stbi__f2f(-0.899976223f), stbi__f2f(1.175875602f)); - __m128i rot1_1 = dct_const(stbi__f2f(1.175875602f), stbi__f2f(1.175875602f) + stbi__f2f(-2.562915447f)); - __m128i rot2_0 = dct_const(stbi__f2f(-1.961570560f) + stbi__f2f( 0.298631336f), stbi__f2f(-1.961570560f)); - __m128i rot2_1 = dct_const(stbi__f2f(-1.961570560f), stbi__f2f(-1.961570560f) + stbi__f2f( 3.072711026f)); - __m128i rot3_0 = dct_const(stbi__f2f(-0.390180644f) + stbi__f2f( 2.053119869f), stbi__f2f(-0.390180644f)); - __m128i rot3_1 = dct_const(stbi__f2f(-0.390180644f), stbi__f2f(-0.390180644f) + stbi__f2f( 1.501321110f)); - - // rounding biases in column/row passes, see stbi__idct_block for explanation. - __m128i bias_0 = _mm_set1_epi32(512); - __m128i bias_1 = _mm_set1_epi32(65536 + (128<<17)); - - // load - row0 = _mm_load_si128((const __m128i *) (data + 0*8)); - row1 = _mm_load_si128((const __m128i *) (data + 1*8)); - row2 = _mm_load_si128((const __m128i *) (data + 2*8)); - row3 = _mm_load_si128((const __m128i *) (data + 3*8)); - row4 = _mm_load_si128((const __m128i *) (data + 4*8)); - row5 = _mm_load_si128((const __m128i *) (data + 5*8)); - row6 = _mm_load_si128((const __m128i *) (data + 6*8)); - row7 = _mm_load_si128((const __m128i *) (data + 7*8)); - - // column pass - dct_pass(bias_0, 10); - - { - // 16bit 8x8 transpose pass 1 - dct_interleave16(row0, row4); - dct_interleave16(row1, row5); - dct_interleave16(row2, row6); - dct_interleave16(row3, row7); - - // transpose pass 2 - dct_interleave16(row0, row2); - dct_interleave16(row1, row3); - dct_interleave16(row4, row6); - dct_interleave16(row5, row7); - - // transpose pass 3 - dct_interleave16(row0, row1); - dct_interleave16(row2, row3); - dct_interleave16(row4, row5); - dct_interleave16(row6, row7); - } - - // row pass - dct_pass(bias_1, 17); - - { - // pack - __m128i p0 = _mm_packus_epi16(row0, row1); // a0a1a2a3...a7b0b1b2b3...b7 - __m128i p1 = _mm_packus_epi16(row2, row3); - __m128i p2 = _mm_packus_epi16(row4, row5); - __m128i p3 = _mm_packus_epi16(row6, row7); - - // 8bit 8x8 transpose pass 1 - dct_interleave8(p0, p2); // a0e0a1e1... - dct_interleave8(p1, p3); // c0g0c1g1... - - // transpose pass 2 - dct_interleave8(p0, p1); // a0c0e0g0... - dct_interleave8(p2, p3); // b0d0f0h0... - - // transpose pass 3 - dct_interleave8(p0, p2); // a0b0c0d0... - dct_interleave8(p1, p3); // a4b4c4d4... - - // store - _mm_storel_epi64((__m128i *) out, p0); out += out_stride; - _mm_storel_epi64((__m128i *) out, _mm_shuffle_epi32(p0, 0x4e)); out += out_stride; - _mm_storel_epi64((__m128i *) out, p2); out += out_stride; - _mm_storel_epi64((__m128i *) out, _mm_shuffle_epi32(p2, 0x4e)); out += out_stride; - _mm_storel_epi64((__m128i *) out, p1); out += out_stride; - _mm_storel_epi64((__m128i *) out, _mm_shuffle_epi32(p1, 0x4e)); out += out_stride; - _mm_storel_epi64((__m128i *) out, p3); out += out_stride; - _mm_storel_epi64((__m128i *) out, _mm_shuffle_epi32(p3, 0x4e)); - } - -#undef dct_const -#undef dct_rot -#undef dct_widen -#undef dct_wadd -#undef dct_wsub -#undef dct_bfly32o -#undef dct_interleave8 -#undef dct_interleave16 -#undef dct_pass -} - -#endif // STBI_SSE2 - -#ifdef STBI_NEON - -// NEON integer IDCT. should produce bit-identical -// results to the generic C version. -static void stbi__idct_simd(stbi_uc *out, int out_stride, short data[64]) -{ - int16x8_t row0, row1, row2, row3, row4, row5, row6, row7; - - int16x4_t rot0_0 = vdup_n_s16(stbi__f2f(0.5411961f)); - int16x4_t rot0_1 = vdup_n_s16(stbi__f2f(-1.847759065f)); - int16x4_t rot0_2 = vdup_n_s16(stbi__f2f( 0.765366865f)); - int16x4_t rot1_0 = vdup_n_s16(stbi__f2f( 1.175875602f)); - int16x4_t rot1_1 = vdup_n_s16(stbi__f2f(-0.899976223f)); - int16x4_t rot1_2 = vdup_n_s16(stbi__f2f(-2.562915447f)); - int16x4_t rot2_0 = vdup_n_s16(stbi__f2f(-1.961570560f)); - int16x4_t rot2_1 = vdup_n_s16(stbi__f2f(-0.390180644f)); - int16x4_t rot3_0 = vdup_n_s16(stbi__f2f( 0.298631336f)); - int16x4_t rot3_1 = vdup_n_s16(stbi__f2f( 2.053119869f)); - int16x4_t rot3_2 = vdup_n_s16(stbi__f2f( 3.072711026f)); - int16x4_t rot3_3 = vdup_n_s16(stbi__f2f( 1.501321110f)); - -#define dct_long_mul(out, inq, coeff) \ - int32x4_t out##_l = vmull_s16(vget_low_s16(inq), coeff); \ - int32x4_t out##_h = vmull_s16(vget_high_s16(inq), coeff) - -#define dct_long_mac(out, acc, inq, coeff) \ - int32x4_t out##_l = vmlal_s16(acc##_l, vget_low_s16(inq), coeff); \ - int32x4_t out##_h = vmlal_s16(acc##_h, vget_high_s16(inq), coeff) - -#define dct_widen(out, inq) \ - int32x4_t out##_l = vshll_n_s16(vget_low_s16(inq), 12); \ - int32x4_t out##_h = vshll_n_s16(vget_high_s16(inq), 12) - -// wide add -#define dct_wadd(out, a, b) \ - int32x4_t out##_l = vaddq_s32(a##_l, b##_l); \ - int32x4_t out##_h = vaddq_s32(a##_h, b##_h) - -// wide sub -#define dct_wsub(out, a, b) \ - int32x4_t out##_l = vsubq_s32(a##_l, b##_l); \ - int32x4_t out##_h = vsubq_s32(a##_h, b##_h) - -// butterfly a/b, then shift using "shiftop" by "s" and pack -#define dct_bfly32o(out0,out1, a,b,shiftop,s) \ - { \ - dct_wadd(sum, a, b); \ - dct_wsub(dif, a, b); \ - out0 = vcombine_s16(shiftop(sum_l, s), shiftop(sum_h, s)); \ - out1 = vcombine_s16(shiftop(dif_l, s), shiftop(dif_h, s)); \ - } - -#define dct_pass(shiftop, shift) \ - { \ - /* even part */ \ - int16x8_t sum26 = vaddq_s16(row2, row6); \ - dct_long_mul(p1e, sum26, rot0_0); \ - dct_long_mac(t2e, p1e, row6, rot0_1); \ - dct_long_mac(t3e, p1e, row2, rot0_2); \ - int16x8_t sum04 = vaddq_s16(row0, row4); \ - int16x8_t dif04 = vsubq_s16(row0, row4); \ - dct_widen(t0e, sum04); \ - dct_widen(t1e, dif04); \ - dct_wadd(x0, t0e, t3e); \ - dct_wsub(x3, t0e, t3e); \ - dct_wadd(x1, t1e, t2e); \ - dct_wsub(x2, t1e, t2e); \ - /* odd part */ \ - int16x8_t sum15 = vaddq_s16(row1, row5); \ - int16x8_t sum17 = vaddq_s16(row1, row7); \ - int16x8_t sum35 = vaddq_s16(row3, row5); \ - int16x8_t sum37 = vaddq_s16(row3, row7); \ - int16x8_t sumodd = vaddq_s16(sum17, sum35); \ - dct_long_mul(p5o, sumodd, rot1_0); \ - dct_long_mac(p1o, p5o, sum17, rot1_1); \ - dct_long_mac(p2o, p5o, sum35, rot1_2); \ - dct_long_mul(p3o, sum37, rot2_0); \ - dct_long_mul(p4o, sum15, rot2_1); \ - dct_wadd(sump13o, p1o, p3o); \ - dct_wadd(sump24o, p2o, p4o); \ - dct_wadd(sump23o, p2o, p3o); \ - dct_wadd(sump14o, p1o, p4o); \ - dct_long_mac(x4, sump13o, row7, rot3_0); \ - dct_long_mac(x5, sump24o, row5, rot3_1); \ - dct_long_mac(x6, sump23o, row3, rot3_2); \ - dct_long_mac(x7, sump14o, row1, rot3_3); \ - dct_bfly32o(row0,row7, x0,x7,shiftop,shift); \ - dct_bfly32o(row1,row6, x1,x6,shiftop,shift); \ - dct_bfly32o(row2,row5, x2,x5,shiftop,shift); \ - dct_bfly32o(row3,row4, x3,x4,shiftop,shift); \ - } - - // load - row0 = vld1q_s16(data + 0*8); - row1 = vld1q_s16(data + 1*8); - row2 = vld1q_s16(data + 2*8); - row3 = vld1q_s16(data + 3*8); - row4 = vld1q_s16(data + 4*8); - row5 = vld1q_s16(data + 5*8); - row6 = vld1q_s16(data + 6*8); - row7 = vld1q_s16(data + 7*8); - - // add DC bias - row0 = vaddq_s16(row0, vsetq_lane_s16(1024, vdupq_n_s16(0), 0)); - - // column pass - dct_pass(vrshrn_n_s32, 10); - - // 16bit 8x8 transpose - { -// these three map to a single VTRN.16, VTRN.32, and VSWP, respectively. -// whether compilers actually get this is another story, sadly. -#define dct_trn16(x, y) { int16x8x2_t t = vtrnq_s16(x, y); x = t.val[0]; y = t.val[1]; } -#define dct_trn32(x, y) { int32x4x2_t t = vtrnq_s32(vreinterpretq_s32_s16(x), vreinterpretq_s32_s16(y)); x = vreinterpretq_s16_s32(t.val[0]); y = vreinterpretq_s16_s32(t.val[1]); } -#define dct_trn64(x, y) { int16x8_t x0 = x; int16x8_t y0 = y; x = vcombine_s16(vget_low_s16(x0), vget_low_s16(y0)); y = vcombine_s16(vget_high_s16(x0), vget_high_s16(y0)); } - - // pass 1 - dct_trn16(row0, row1); // a0b0a2b2a4b4a6b6 - dct_trn16(row2, row3); - dct_trn16(row4, row5); - dct_trn16(row6, row7); - - // pass 2 - dct_trn32(row0, row2); // a0b0c0d0a4b4c4d4 - dct_trn32(row1, row3); - dct_trn32(row4, row6); - dct_trn32(row5, row7); - - // pass 3 - dct_trn64(row0, row4); // a0b0c0d0e0f0g0h0 - dct_trn64(row1, row5); - dct_trn64(row2, row6); - dct_trn64(row3, row7); - -#undef dct_trn16 -#undef dct_trn32 -#undef dct_trn64 - } - - // row pass - // vrshrn_n_s32 only supports shifts up to 16, we need - // 17. so do a non-rounding shift of 16 first then follow - // up with a rounding shift by 1. - dct_pass(vshrn_n_s32, 16); - - { - // pack and round - uint8x8_t p0 = vqrshrun_n_s16(row0, 1); - uint8x8_t p1 = vqrshrun_n_s16(row1, 1); - uint8x8_t p2 = vqrshrun_n_s16(row2, 1); - uint8x8_t p3 = vqrshrun_n_s16(row3, 1); - uint8x8_t p4 = vqrshrun_n_s16(row4, 1); - uint8x8_t p5 = vqrshrun_n_s16(row5, 1); - uint8x8_t p6 = vqrshrun_n_s16(row6, 1); - uint8x8_t p7 = vqrshrun_n_s16(row7, 1); - - // again, these can translate into one instruction, but often don't. -#define dct_trn8_8(x, y) { uint8x8x2_t t = vtrn_u8(x, y); x = t.val[0]; y = t.val[1]; } -#define dct_trn8_16(x, y) { uint16x4x2_t t = vtrn_u16(vreinterpret_u16_u8(x), vreinterpret_u16_u8(y)); x = vreinterpret_u8_u16(t.val[0]); y = vreinterpret_u8_u16(t.val[1]); } -#define dct_trn8_32(x, y) { uint32x2x2_t t = vtrn_u32(vreinterpret_u32_u8(x), vreinterpret_u32_u8(y)); x = vreinterpret_u8_u32(t.val[0]); y = vreinterpret_u8_u32(t.val[1]); } - - // sadly can't use interleaved stores here since we only write - // 8 bytes to each scan line! - - // 8x8 8-bit transpose pass 1 - dct_trn8_8(p0, p1); - dct_trn8_8(p2, p3); - dct_trn8_8(p4, p5); - dct_trn8_8(p6, p7); - - // pass 2 - dct_trn8_16(p0, p2); - dct_trn8_16(p1, p3); - dct_trn8_16(p4, p6); - dct_trn8_16(p5, p7); - - // pass 3 - dct_trn8_32(p0, p4); - dct_trn8_32(p1, p5); - dct_trn8_32(p2, p6); - dct_trn8_32(p3, p7); - - // store - vst1_u8(out, p0); out += out_stride; - vst1_u8(out, p1); out += out_stride; - vst1_u8(out, p2); out += out_stride; - vst1_u8(out, p3); out += out_stride; - vst1_u8(out, p4); out += out_stride; - vst1_u8(out, p5); out += out_stride; - vst1_u8(out, p6); out += out_stride; - vst1_u8(out, p7); - -#undef dct_trn8_8 -#undef dct_trn8_16 -#undef dct_trn8_32 - } - -#undef dct_long_mul -#undef dct_long_mac -#undef dct_widen -#undef dct_wadd -#undef dct_wsub -#undef dct_bfly32o -#undef dct_pass -} - -#endif // STBI_NEON - -#define STBI__MARKER_none 0xff -// if there's a pending marker from the entropy stream, return that -// otherwise, fetch from the stream and get a marker. if there's no -// marker, return 0xff, which is never a valid marker value -static stbi_uc stbi__get_marker(stbi__jpeg *j) -{ - stbi_uc x; - if (j->marker != STBI__MARKER_none) { x = j->marker; j->marker = STBI__MARKER_none; return x; } - x = stbi__get8(j->s); - if (x != 0xff) return STBI__MARKER_none; - while (x == 0xff) - x = stbi__get8(j->s); // consume repeated 0xff fill bytes - return x; -} - -// in each scan, we'll have scan_n components, and the order -// of the components is specified by order[] -#define STBI__RESTART(x) ((x) >= 0xd0 && (x) <= 0xd7) - -// after a restart interval, stbi__jpeg_reset the entropy decoder and -// the dc prediction -static void stbi__jpeg_reset(stbi__jpeg *j) -{ - j->code_bits = 0; - j->code_buffer = 0; - j->nomore = 0; - j->img_comp[0].dc_pred = j->img_comp[1].dc_pred = j->img_comp[2].dc_pred = j->img_comp[3].dc_pred = 0; - j->marker = STBI__MARKER_none; - j->todo = j->restart_interval ? j->restart_interval : 0x7fffffff; - j->eob_run = 0; - // no more than 1<<31 MCUs if no restart_interal? that's plenty safe, - // since we don't even allow 1<<30 pixels -} - -static int stbi__parse_entropy_coded_data(stbi__jpeg *z) -{ - stbi__jpeg_reset(z); - if (!z->progressive) { - if (z->scan_n == 1) { - int i,j; - STBI_SIMD_ALIGN(short, data[64]); - int n = z->order[0]; - // non-interleaved data, we just need to process one block at a time, - // in trivial scanline order - // number of blocks to do just depends on how many actual "pixels" this - // component has, independent of interleaved MCU blocking and such - int w = (z->img_comp[n].x+7) >> 3; - int h = (z->img_comp[n].y+7) >> 3; - for (j=0; j < h; ++j) { - for (i=0; i < w; ++i) { - int ha = z->img_comp[n].ha; - if (!stbi__jpeg_decode_block(z, data, z->huff_dc+z->img_comp[n].hd, z->huff_ac+ha, z->fast_ac[ha], n, z->dequant[z->img_comp[n].tq])) return 0; - z->idct_block_kernel(z->img_comp[n].data+z->img_comp[n].w2*j*8+i*8, z->img_comp[n].w2, data); - // every data block is an MCU, so countdown the restart interval - if (--z->todo <= 0) { - if (z->code_bits < 24) stbi__grow_buffer_unsafe(z); - // if it's NOT a restart, then just bail, so we get corrupt data - // rather than no data - if (!STBI__RESTART(z->marker)) return 1; - stbi__jpeg_reset(z); - } - } - } - return 1; - } else { // interleaved - int i,j,k,x,y; - STBI_SIMD_ALIGN(short, data[64]); - for (j=0; j < z->img_mcu_y; ++j) { - for (i=0; i < z->img_mcu_x; ++i) { - // scan an interleaved mcu... process scan_n components in order - for (k=0; k < z->scan_n; ++k) { - int n = z->order[k]; - // scan out an mcu's worth of this component; that's just determined - // by the basic H and V specified for the component - for (y=0; y < z->img_comp[n].v; ++y) { - for (x=0; x < z->img_comp[n].h; ++x) { - int x2 = (i*z->img_comp[n].h + x)*8; - int y2 = (j*z->img_comp[n].v + y)*8; - int ha = z->img_comp[n].ha; - if (!stbi__jpeg_decode_block(z, data, z->huff_dc+z->img_comp[n].hd, z->huff_ac+ha, z->fast_ac[ha], n, z->dequant[z->img_comp[n].tq])) return 0; - z->idct_block_kernel(z->img_comp[n].data+z->img_comp[n].w2*y2+x2, z->img_comp[n].w2, data); - } - } - } - // after all interleaved components, that's an interleaved MCU, - // so now count down the restart interval - if (--z->todo <= 0) { - if (z->code_bits < 24) stbi__grow_buffer_unsafe(z); - if (!STBI__RESTART(z->marker)) return 1; - stbi__jpeg_reset(z); - } - } - } - return 1; - } - } else { - if (z->scan_n == 1) { - int i,j; - int n = z->order[0]; - // non-interleaved data, we just need to process one block at a time, - // in trivial scanline order - // number of blocks to do just depends on how many actual "pixels" this - // component has, independent of interleaved MCU blocking and such - int w = (z->img_comp[n].x+7) >> 3; - int h = (z->img_comp[n].y+7) >> 3; - for (j=0; j < h; ++j) { - for (i=0; i < w; ++i) { - short *data = z->img_comp[n].coeff + 64 * (i + j * z->img_comp[n].coeff_w); - if (z->spec_start == 0) { - if (!stbi__jpeg_decode_block_prog_dc(z, data, &z->huff_dc[z->img_comp[n].hd], n)) - return 0; - } else { - int ha = z->img_comp[n].ha; - if (!stbi__jpeg_decode_block_prog_ac(z, data, &z->huff_ac[ha], z->fast_ac[ha])) - return 0; - } - // every data block is an MCU, so countdown the restart interval - if (--z->todo <= 0) { - if (z->code_bits < 24) stbi__grow_buffer_unsafe(z); - if (!STBI__RESTART(z->marker)) return 1; - stbi__jpeg_reset(z); - } - } - } - return 1; - } else { // interleaved - int i,j,k,x,y; - for (j=0; j < z->img_mcu_y; ++j) { - for (i=0; i < z->img_mcu_x; ++i) { - // scan an interleaved mcu... process scan_n components in order - for (k=0; k < z->scan_n; ++k) { - int n = z->order[k]; - // scan out an mcu's worth of this component; that's just determined - // by the basic H and V specified for the component - for (y=0; y < z->img_comp[n].v; ++y) { - for (x=0; x < z->img_comp[n].h; ++x) { - int x2 = (i*z->img_comp[n].h + x); - int y2 = (j*z->img_comp[n].v + y); - short *data = z->img_comp[n].coeff + 64 * (x2 + y2 * z->img_comp[n].coeff_w); - if (!stbi__jpeg_decode_block_prog_dc(z, data, &z->huff_dc[z->img_comp[n].hd], n)) - return 0; - } - } - } - // after all interleaved components, that's an interleaved MCU, - // so now count down the restart interval - if (--z->todo <= 0) { - if (z->code_bits < 24) stbi__grow_buffer_unsafe(z); - if (!STBI__RESTART(z->marker)) return 1; - stbi__jpeg_reset(z); - } - } - } - return 1; - } - } -} - -static void stbi__jpeg_dequantize(short *data, stbi__uint16 *dequant) -{ - int i; - for (i=0; i < 64; ++i) - data[i] *= dequant[i]; -} - -static void stbi__jpeg_finish(stbi__jpeg *z) -{ - if (z->progressive) { - // dequantize and idct the data - int i,j,n; - for (n=0; n < z->s->img_n; ++n) { - int w = (z->img_comp[n].x+7) >> 3; - int h = (z->img_comp[n].y+7) >> 3; - for (j=0; j < h; ++j) { - for (i=0; i < w; ++i) { - short *data = z->img_comp[n].coeff + 64 * (i + j * z->img_comp[n].coeff_w); - stbi__jpeg_dequantize(data, z->dequant[z->img_comp[n].tq]); - z->idct_block_kernel(z->img_comp[n].data+z->img_comp[n].w2*j*8+i*8, z->img_comp[n].w2, data); - } - } - } - } -} - -static int stbi__process_marker(stbi__jpeg *z, int m) -{ - int L; - switch (m) { - case STBI__MARKER_none: // no marker found - return stbi__err("expected marker","Corrupt JPEG"); - - case 0xDD: // DRI - specify restart interval - if (stbi__get16be(z->s) != 4) return stbi__err("bad DRI len","Corrupt JPEG"); - z->restart_interval = stbi__get16be(z->s); - return 1; - - case 0xDB: // DQT - define quantization table - L = stbi__get16be(z->s)-2; - while (L > 0) { - int q = stbi__get8(z->s); - int p = q >> 4, sixteen = (p != 0); - int t = q & 15,i; - if (p != 0 && p != 1) return stbi__err("bad DQT type","Corrupt JPEG"); - if (t > 3) return stbi__err("bad DQT table","Corrupt JPEG"); - - for (i=0; i < 64; ++i) - z->dequant[t][stbi__jpeg_dezigzag[i]] = (stbi__uint16)(sixteen ? stbi__get16be(z->s) : stbi__get8(z->s)); - L -= (sixteen ? 129 : 65); - } - return L==0; - - case 0xC4: // DHT - define huffman table - L = stbi__get16be(z->s)-2; - while (L > 0) { - stbi_uc *v; - int sizes[16],i,n=0; - int q = stbi__get8(z->s); - int tc = q >> 4; - int th = q & 15; - if (tc > 1 || th > 3) return stbi__err("bad DHT header","Corrupt JPEG"); - for (i=0; i < 16; ++i) { - sizes[i] = stbi__get8(z->s); - n += sizes[i]; - } - if(n > 256) return stbi__err("bad DHT header","Corrupt JPEG"); // Loop over i < n would write past end of values! - L -= 17; - if (tc == 0) { - if (!stbi__build_huffman(z->huff_dc+th, sizes)) return 0; - v = z->huff_dc[th].values; - } else { - if (!stbi__build_huffman(z->huff_ac+th, sizes)) return 0; - v = z->huff_ac[th].values; - } - for (i=0; i < n; ++i) - v[i] = stbi__get8(z->s); - if (tc != 0) - stbi__build_fast_ac(z->fast_ac[th], z->huff_ac + th); - L -= n; - } - return L==0; - } - - // check for comment block or APP blocks - if ((m >= 0xE0 && m <= 0xEF) || m == 0xFE) { - L = stbi__get16be(z->s); - if (L < 2) { - if (m == 0xFE) - return stbi__err("bad COM len","Corrupt JPEG"); - else - return stbi__err("bad APP len","Corrupt JPEG"); - } - L -= 2; - - if (m == 0xE0 && L >= 5) { // JFIF APP0 segment - static const unsigned char tag[5] = {'J','F','I','F','\0'}; - int ok = 1; - int i; - for (i=0; i < 5; ++i) - if (stbi__get8(z->s) != tag[i]) - ok = 0; - L -= 5; - if (ok) - z->jfif = 1; - } else if (m == 0xEE && L >= 12) { // Adobe APP14 segment - static const unsigned char tag[6] = {'A','d','o','b','e','\0'}; - int ok = 1; - int i; - for (i=0; i < 6; ++i) - if (stbi__get8(z->s) != tag[i]) - ok = 0; - L -= 6; - if (ok) { - stbi__get8(z->s); // version - stbi__get16be(z->s); // flags0 - stbi__get16be(z->s); // flags1 - z->app14_color_transform = stbi__get8(z->s); // color transform - L -= 6; - } - } - - stbi__skip(z->s, L); - return 1; - } - - return stbi__err("unknown marker","Corrupt JPEG"); -} - -// after we see SOS -static int stbi__process_scan_header(stbi__jpeg *z) -{ - int i; - int Ls = stbi__get16be(z->s); - z->scan_n = stbi__get8(z->s); - if (z->scan_n < 1 || z->scan_n > 4 || z->scan_n > (int) z->s->img_n) return stbi__err("bad SOS component count","Corrupt JPEG"); - if (Ls != 6+2*z->scan_n) return stbi__err("bad SOS len","Corrupt JPEG"); - for (i=0; i < z->scan_n; ++i) { - int id = stbi__get8(z->s), which; - int q = stbi__get8(z->s); - for (which = 0; which < z->s->img_n; ++which) - if (z->img_comp[which].id == id) - break; - if (which == z->s->img_n) return 0; // no match - z->img_comp[which].hd = q >> 4; if (z->img_comp[which].hd > 3) return stbi__err("bad DC huff","Corrupt JPEG"); - z->img_comp[which].ha = q & 15; if (z->img_comp[which].ha > 3) return stbi__err("bad AC huff","Corrupt JPEG"); - z->order[i] = which; - } - - { - int aa; - z->spec_start = stbi__get8(z->s); - z->spec_end = stbi__get8(z->s); // should be 63, but might be 0 - aa = stbi__get8(z->s); - z->succ_high = (aa >> 4); - z->succ_low = (aa & 15); - if (z->progressive) { - if (z->spec_start > 63 || z->spec_end > 63 || z->spec_start > z->spec_end || z->succ_high > 13 || z->succ_low > 13) - return stbi__err("bad SOS", "Corrupt JPEG"); - } else { - if (z->spec_start != 0) return stbi__err("bad SOS","Corrupt JPEG"); - if (z->succ_high != 0 || z->succ_low != 0) return stbi__err("bad SOS","Corrupt JPEG"); - z->spec_end = 63; - } - } - - return 1; -} - -static int stbi__free_jpeg_components(stbi__jpeg *z, int ncomp, int why) -{ - int i; - for (i=0; i < ncomp; ++i) { - if (z->img_comp[i].raw_data) { - STBI_FREE(z->img_comp[i].raw_data); - z->img_comp[i].raw_data = NULL; - z->img_comp[i].data = NULL; - } - if (z->img_comp[i].raw_coeff) { - STBI_FREE(z->img_comp[i].raw_coeff); - z->img_comp[i].raw_coeff = 0; - z->img_comp[i].coeff = 0; - } - if (z->img_comp[i].linebuf) { - STBI_FREE(z->img_comp[i].linebuf); - z->img_comp[i].linebuf = NULL; - } - } - return why; -} - -static int stbi__process_frame_header(stbi__jpeg *z, int scan) -{ - stbi__context *s = z->s; - int Lf,p,i,q, h_max=1,v_max=1,c; - Lf = stbi__get16be(s); if (Lf < 11) return stbi__err("bad SOF len","Corrupt JPEG"); // JPEG - p = stbi__get8(s); if (p != 8) return stbi__err("only 8-bit","JPEG format not supported: 8-bit only"); // JPEG baseline - s->img_y = stbi__get16be(s); if (s->img_y == 0) return stbi__err("no header height", "JPEG format not supported: delayed height"); // Legal, but we don't handle it--but neither does IJG - s->img_x = stbi__get16be(s); if (s->img_x == 0) return stbi__err("0 width","Corrupt JPEG"); // JPEG requires - if (s->img_y > STBI_MAX_DIMENSIONS) return stbi__err("too large","Very large image (corrupt?)"); - if (s->img_x > STBI_MAX_DIMENSIONS) return stbi__err("too large","Very large image (corrupt?)"); - c = stbi__get8(s); - if (c != 3 && c != 1 && c != 4) return stbi__err("bad component count","Corrupt JPEG"); - s->img_n = c; - for (i=0; i < c; ++i) { - z->img_comp[i].data = NULL; - z->img_comp[i].linebuf = NULL; - } - - if (Lf != 8+3*s->img_n) return stbi__err("bad SOF len","Corrupt JPEG"); - - z->rgb = 0; - for (i=0; i < s->img_n; ++i) { - static const unsigned char rgb[3] = { 'R', 'G', 'B' }; - z->img_comp[i].id = stbi__get8(s); - if (s->img_n == 3 && z->img_comp[i].id == rgb[i]) - ++z->rgb; - q = stbi__get8(s); - z->img_comp[i].h = (q >> 4); if (!z->img_comp[i].h || z->img_comp[i].h > 4) return stbi__err("bad H","Corrupt JPEG"); - z->img_comp[i].v = q & 15; if (!z->img_comp[i].v || z->img_comp[i].v > 4) return stbi__err("bad V","Corrupt JPEG"); - z->img_comp[i].tq = stbi__get8(s); if (z->img_comp[i].tq > 3) return stbi__err("bad TQ","Corrupt JPEG"); - } - - if (scan != STBI__SCAN_load) return 1; - - if (!stbi__mad3sizes_valid(s->img_x, s->img_y, s->img_n, 0)) return stbi__err("too large", "Image too large to decode"); - - for (i=0; i < s->img_n; ++i) { - if (z->img_comp[i].h > h_max) h_max = z->img_comp[i].h; - if (z->img_comp[i].v > v_max) v_max = z->img_comp[i].v; - } - - // check that plane subsampling factors are integer ratios; our resamplers can't deal with fractional ratios - // and I've never seen a non-corrupted JPEG file actually use them - for (i=0; i < s->img_n; ++i) { - if (h_max % z->img_comp[i].h != 0) return stbi__err("bad H","Corrupt JPEG"); - if (v_max % z->img_comp[i].v != 0) return stbi__err("bad V","Corrupt JPEG"); - } - - // compute interleaved mcu info - z->img_h_max = h_max; - z->img_v_max = v_max; - z->img_mcu_w = h_max * 8; - z->img_mcu_h = v_max * 8; - // these sizes can't be more than 17 bits - z->img_mcu_x = (s->img_x + z->img_mcu_w-1) / z->img_mcu_w; - z->img_mcu_y = (s->img_y + z->img_mcu_h-1) / z->img_mcu_h; - - for (i=0; i < s->img_n; ++i) { - // number of effective pixels (e.g. for non-interleaved MCU) - z->img_comp[i].x = (s->img_x * z->img_comp[i].h + h_max-1) / h_max; - z->img_comp[i].y = (s->img_y * z->img_comp[i].v + v_max-1) / v_max; - // to simplify generation, we'll allocate enough memory to decode - // the bogus oversized data from using interleaved MCUs and their - // big blocks (e.g. a 16x16 iMCU on an image of width 33); we won't - // discard the extra data until colorspace conversion - // - // img_mcu_x, img_mcu_y: <=17 bits; comp[i].h and .v are <=4 (checked earlier) - // so these muls can't overflow with 32-bit ints (which we require) - z->img_comp[i].w2 = z->img_mcu_x * z->img_comp[i].h * 8; - z->img_comp[i].h2 = z->img_mcu_y * z->img_comp[i].v * 8; - z->img_comp[i].coeff = 0; - z->img_comp[i].raw_coeff = 0; - z->img_comp[i].linebuf = NULL; - z->img_comp[i].raw_data = stbi__malloc_mad2(z->img_comp[i].w2, z->img_comp[i].h2, 15); - if (z->img_comp[i].raw_data == NULL) - return stbi__free_jpeg_components(z, i+1, stbi__err("outofmem", "Out of memory")); - // align blocks for idct using mmx/sse - z->img_comp[i].data = (stbi_uc*) (((size_t) z->img_comp[i].raw_data + 15) & ~15); - if (z->progressive) { - // w2, h2 are multiples of 8 (see above) - z->img_comp[i].coeff_w = z->img_comp[i].w2 / 8; - z->img_comp[i].coeff_h = z->img_comp[i].h2 / 8; - z->img_comp[i].raw_coeff = stbi__malloc_mad3(z->img_comp[i].w2, z->img_comp[i].h2, sizeof(short), 15); - if (z->img_comp[i].raw_coeff == NULL) - return stbi__free_jpeg_components(z, i+1, stbi__err("outofmem", "Out of memory")); - z->img_comp[i].coeff = (short*) (((size_t) z->img_comp[i].raw_coeff + 15) & ~15); - } - } - - return 1; -} - -// use comparisons since in some cases we handle more than one case (e.g. SOF) -#define stbi__DNL(x) ((x) == 0xdc) -#define stbi__SOI(x) ((x) == 0xd8) -#define stbi__EOI(x) ((x) == 0xd9) -#define stbi__SOF(x) ((x) == 0xc0 || (x) == 0xc1 || (x) == 0xc2) -#define stbi__SOS(x) ((x) == 0xda) - -#define stbi__SOF_progressive(x) ((x) == 0xc2) - -static int stbi__decode_jpeg_header(stbi__jpeg *z, int scan) -{ - int m; - z->jfif = 0; - z->app14_color_transform = -1; // valid values are 0,1,2 - z->marker = STBI__MARKER_none; // initialize cached marker to empty - m = stbi__get_marker(z); - if (!stbi__SOI(m)) return stbi__err("no SOI","Corrupt JPEG"); - if (scan == STBI__SCAN_type) return 1; - m = stbi__get_marker(z); - while (!stbi__SOF(m)) { - if (!stbi__process_marker(z,m)) return 0; - m = stbi__get_marker(z); - while (m == STBI__MARKER_none) { - // some files have extra padding after their blocks, so ok, we'll scan - if (stbi__at_eof(z->s)) return stbi__err("no SOF", "Corrupt JPEG"); - m = stbi__get_marker(z); - } - } - z->progressive = stbi__SOF_progressive(m); - if (!stbi__process_frame_header(z, scan)) return 0; - return 1; -} - -static int stbi__skip_jpeg_junk_at_end(stbi__jpeg *j) -{ - // some JPEGs have junk at end, skip over it but if we find what looks - // like a valid marker, resume there - while (!stbi__at_eof(j->s)) { - int x = stbi__get8(j->s); - while (x == 255) { // might be a marker - if (stbi__at_eof(j->s)) return STBI__MARKER_none; - x = stbi__get8(j->s); - if (x != 0x00 && x != 0xff) { - // not a stuffed zero or lead-in to another marker, looks - // like an actual marker, return it - return x; - } - // stuffed zero has x=0 now which ends the loop, meaning we go - // back to regular scan loop. - // repeated 0xff keeps trying to read the next byte of the marker. - } - } - return STBI__MARKER_none; -} - -// decode image to YCbCr format -static int stbi__decode_jpeg_image(stbi__jpeg *j) -{ - int m; - for (m = 0; m < 4; m++) { - j->img_comp[m].raw_data = NULL; - j->img_comp[m].raw_coeff = NULL; - } - j->restart_interval = 0; - if (!stbi__decode_jpeg_header(j, STBI__SCAN_load)) return 0; - m = stbi__get_marker(j); - while (!stbi__EOI(m)) { - if (stbi__SOS(m)) { - if (!stbi__process_scan_header(j)) return 0; - if (!stbi__parse_entropy_coded_data(j)) return 0; - if (j->marker == STBI__MARKER_none ) { - j->marker = stbi__skip_jpeg_junk_at_end(j); - // if we reach eof without hitting a marker, stbi__get_marker() below will fail and we'll eventually return 0 - } - m = stbi__get_marker(j); - if (STBI__RESTART(m)) - m = stbi__get_marker(j); - } else if (stbi__DNL(m)) { - int Ld = stbi__get16be(j->s); - stbi__uint32 NL = stbi__get16be(j->s); - if (Ld != 4) return stbi__err("bad DNL len", "Corrupt JPEG"); - if (NL != j->s->img_y) return stbi__err("bad DNL height", "Corrupt JPEG"); - m = stbi__get_marker(j); - } else { - if (!stbi__process_marker(j, m)) return 1; - m = stbi__get_marker(j); - } - } - if (j->progressive) - stbi__jpeg_finish(j); - return 1; -} - -// static jfif-centered resampling (across block boundaries) - -typedef stbi_uc *(*resample_row_func)(stbi_uc *out, stbi_uc *in0, stbi_uc *in1, - int w, int hs); - -#define stbi__div4(x) ((stbi_uc) ((x) >> 2)) - -static stbi_uc *resample_row_1(stbi_uc *out, stbi_uc *in_near, stbi_uc *in_far, int w, int hs) -{ - STBI_NOTUSED(out); - STBI_NOTUSED(in_far); - STBI_NOTUSED(w); - STBI_NOTUSED(hs); - return in_near; -} - -static stbi_uc* stbi__resample_row_v_2(stbi_uc *out, stbi_uc *in_near, stbi_uc *in_far, int w, int hs) -{ - // need to generate two samples vertically for every one in input - int i; - STBI_NOTUSED(hs); - for (i=0; i < w; ++i) - out[i] = stbi__div4(3*in_near[i] + in_far[i] + 2); - return out; -} - -static stbi_uc* stbi__resample_row_h_2(stbi_uc *out, stbi_uc *in_near, stbi_uc *in_far, int w, int hs) -{ - // need to generate two samples horizontally for every one in input - int i; - stbi_uc *input = in_near; - - if (w == 1) { - // if only one sample, can't do any interpolation - out[0] = out[1] = input[0]; - return out; - } - - out[0] = input[0]; - out[1] = stbi__div4(input[0]*3 + input[1] + 2); - for (i=1; i < w-1; ++i) { - int n = 3*input[i]+2; - out[i*2+0] = stbi__div4(n+input[i-1]); - out[i*2+1] = stbi__div4(n+input[i+1]); - } - out[i*2+0] = stbi__div4(input[w-2]*3 + input[w-1] + 2); - out[i*2+1] = input[w-1]; - - STBI_NOTUSED(in_far); - STBI_NOTUSED(hs); - - return out; -} - -#define stbi__div16(x) ((stbi_uc) ((x) >> 4)) - -static stbi_uc *stbi__resample_row_hv_2(stbi_uc *out, stbi_uc *in_near, stbi_uc *in_far, int w, int hs) -{ - // need to generate 2x2 samples for every one in input - int i,t0,t1; - if (w == 1) { - out[0] = out[1] = stbi__div4(3*in_near[0] + in_far[0] + 2); - return out; - } - - t1 = 3*in_near[0] + in_far[0]; - out[0] = stbi__div4(t1+2); - for (i=1; i < w; ++i) { - t0 = t1; - t1 = 3*in_near[i]+in_far[i]; - out[i*2-1] = stbi__div16(3*t0 + t1 + 8); - out[i*2 ] = stbi__div16(3*t1 + t0 + 8); - } - out[w*2-1] = stbi__div4(t1+2); - - STBI_NOTUSED(hs); - - return out; -} - -#if defined(STBI_SSE2) || defined(STBI_NEON) -static stbi_uc *stbi__resample_row_hv_2_simd(stbi_uc *out, stbi_uc *in_near, stbi_uc *in_far, int w, int hs) -{ - // need to generate 2x2 samples for every one in input - int i=0,t0,t1; - - if (w == 1) { - out[0] = out[1] = stbi__div4(3*in_near[0] + in_far[0] + 2); - return out; - } - - t1 = 3*in_near[0] + in_far[0]; - // process groups of 8 pixels for as long as we can. - // note we can't handle the last pixel in a row in this loop - // because we need to handle the filter boundary conditions. - for (; i < ((w-1) & ~7); i += 8) { -#if defined(STBI_SSE2) - // load and perform the vertical filtering pass - // this uses 3*x + y = 4*x + (y - x) - __m128i zero = _mm_setzero_si128(); - __m128i farb = _mm_loadl_epi64((__m128i *) (in_far + i)); - __m128i nearb = _mm_loadl_epi64((__m128i *) (in_near + i)); - __m128i farw = _mm_unpacklo_epi8(farb, zero); - __m128i nearw = _mm_unpacklo_epi8(nearb, zero); - __m128i diff = _mm_sub_epi16(farw, nearw); - __m128i nears = _mm_slli_epi16(nearw, 2); - __m128i curr = _mm_add_epi16(nears, diff); // current row - - // horizontal filter works the same based on shifted vers of current - // row. "prev" is current row shifted right by 1 pixel; we need to - // insert the previous pixel value (from t1). - // "next" is current row shifted left by 1 pixel, with first pixel - // of next block of 8 pixels added in. - __m128i prv0 = _mm_slli_si128(curr, 2); - __m128i nxt0 = _mm_srli_si128(curr, 2); - __m128i prev = _mm_insert_epi16(prv0, t1, 0); - __m128i next = _mm_insert_epi16(nxt0, 3*in_near[i+8] + in_far[i+8], 7); - - // horizontal filter, polyphase implementation since it's convenient: - // even pixels = 3*cur + prev = cur*4 + (prev - cur) - // odd pixels = 3*cur + next = cur*4 + (next - cur) - // note the shared term. - __m128i bias = _mm_set1_epi16(8); - __m128i curs = _mm_slli_epi16(curr, 2); - __m128i prvd = _mm_sub_epi16(prev, curr); - __m128i nxtd = _mm_sub_epi16(next, curr); - __m128i curb = _mm_add_epi16(curs, bias); - __m128i even = _mm_add_epi16(prvd, curb); - __m128i odd = _mm_add_epi16(nxtd, curb); - - // interleave even and odd pixels, then undo scaling. - __m128i int0 = _mm_unpacklo_epi16(even, odd); - __m128i int1 = _mm_unpackhi_epi16(even, odd); - __m128i de0 = _mm_srli_epi16(int0, 4); - __m128i de1 = _mm_srli_epi16(int1, 4); - - // pack and write output - __m128i outv = _mm_packus_epi16(de0, de1); - _mm_storeu_si128((__m128i *) (out + i*2), outv); -#elif defined(STBI_NEON) - // load and perform the vertical filtering pass - // this uses 3*x + y = 4*x + (y - x) - uint8x8_t farb = vld1_u8(in_far + i); - uint8x8_t nearb = vld1_u8(in_near + i); - int16x8_t diff = vreinterpretq_s16_u16(vsubl_u8(farb, nearb)); - int16x8_t nears = vreinterpretq_s16_u16(vshll_n_u8(nearb, 2)); - int16x8_t curr = vaddq_s16(nears, diff); // current row - - // horizontal filter works the same based on shifted vers of current - // row. "prev" is current row shifted right by 1 pixel; we need to - // insert the previous pixel value (from t1). - // "next" is current row shifted left by 1 pixel, with first pixel - // of next block of 8 pixels added in. - int16x8_t prv0 = vextq_s16(curr, curr, 7); - int16x8_t nxt0 = vextq_s16(curr, curr, 1); - int16x8_t prev = vsetq_lane_s16(t1, prv0, 0); - int16x8_t next = vsetq_lane_s16(3*in_near[i+8] + in_far[i+8], nxt0, 7); - - // horizontal filter, polyphase implementation since it's convenient: - // even pixels = 3*cur + prev = cur*4 + (prev - cur) - // odd pixels = 3*cur + next = cur*4 + (next - cur) - // note the shared term. - int16x8_t curs = vshlq_n_s16(curr, 2); - int16x8_t prvd = vsubq_s16(prev, curr); - int16x8_t nxtd = vsubq_s16(next, curr); - int16x8_t even = vaddq_s16(curs, prvd); - int16x8_t odd = vaddq_s16(curs, nxtd); - - // undo scaling and round, then store with even/odd phases interleaved - uint8x8x2_t o; - o.val[0] = vqrshrun_n_s16(even, 4); - o.val[1] = vqrshrun_n_s16(odd, 4); - vst2_u8(out + i*2, o); -#endif - - // "previous" value for next iter - t1 = 3*in_near[i+7] + in_far[i+7]; - } - - t0 = t1; - t1 = 3*in_near[i] + in_far[i]; - out[i*2] = stbi__div16(3*t1 + t0 + 8); - - for (++i; i < w; ++i) { - t0 = t1; - t1 = 3*in_near[i]+in_far[i]; - out[i*2-1] = stbi__div16(3*t0 + t1 + 8); - out[i*2 ] = stbi__div16(3*t1 + t0 + 8); - } - out[w*2-1] = stbi__div4(t1+2); - - STBI_NOTUSED(hs); - - return out; -} -#endif - -static stbi_uc *stbi__resample_row_generic(stbi_uc *out, stbi_uc *in_near, stbi_uc *in_far, int w, int hs) -{ - // resample with nearest-neighbor - int i,j; - STBI_NOTUSED(in_far); - for (i=0; i < w; ++i) - for (j=0; j < hs; ++j) - out[i*hs+j] = in_near[i]; - return out; -} - -// this is a reduced-precision calculation of YCbCr-to-RGB introduced -// to make sure the code produces the same results in both SIMD and scalar -#define stbi__float2fixed(x) (((int) ((x) * 4096.0f + 0.5f)) << 8) -static void stbi__YCbCr_to_RGB_row(stbi_uc *out, const stbi_uc *y, const stbi_uc *pcb, const stbi_uc *pcr, int count, int step) -{ - int i; - for (i=0; i < count; ++i) { - int y_fixed = (y[i] << 20) + (1<<19); // rounding - int r,g,b; - int cr = pcr[i] - 128; - int cb = pcb[i] - 128; - r = y_fixed + cr* stbi__float2fixed(1.40200f); - g = y_fixed + (cr*-stbi__float2fixed(0.71414f)) + ((cb*-stbi__float2fixed(0.34414f)) & 0xffff0000); - b = y_fixed + cb* stbi__float2fixed(1.77200f); - r >>= 20; - g >>= 20; - b >>= 20; - if ((unsigned) r > 255) { if (r < 0) r = 0; else r = 255; } - if ((unsigned) g > 255) { if (g < 0) g = 0; else g = 255; } - if ((unsigned) b > 255) { if (b < 0) b = 0; else b = 255; } - out[0] = (stbi_uc)r; - out[1] = (stbi_uc)g; - out[2] = (stbi_uc)b; - out[3] = 255; - out += step; - } -} - -#if defined(STBI_SSE2) || defined(STBI_NEON) -static void stbi__YCbCr_to_RGB_simd(stbi_uc *out, stbi_uc const *y, stbi_uc const *pcb, stbi_uc const *pcr, int count, int step) -{ - int i = 0; - -#ifdef STBI_SSE2 - // step == 3 is pretty ugly on the final interleave, and i'm not convinced - // it's useful in practice (you wouldn't use it for textures, for example). - // so just accelerate step == 4 case. - if (step == 4) { - // this is a fairly straightforward implementation and not super-optimized. - __m128i signflip = _mm_set1_epi8(-0x80); - __m128i cr_const0 = _mm_set1_epi16( (short) ( 1.40200f*4096.0f+0.5f)); - __m128i cr_const1 = _mm_set1_epi16( - (short) ( 0.71414f*4096.0f+0.5f)); - __m128i cb_const0 = _mm_set1_epi16( - (short) ( 0.34414f*4096.0f+0.5f)); - __m128i cb_const1 = _mm_set1_epi16( (short) ( 1.77200f*4096.0f+0.5f)); - __m128i y_bias = _mm_set1_epi8((char) (unsigned char) 128); - __m128i xw = _mm_set1_epi16(255); // alpha channel - - for (; i+7 < count; i += 8) { - // load - __m128i y_bytes = _mm_loadl_epi64((__m128i *) (y+i)); - __m128i cr_bytes = _mm_loadl_epi64((__m128i *) (pcr+i)); - __m128i cb_bytes = _mm_loadl_epi64((__m128i *) (pcb+i)); - __m128i cr_biased = _mm_xor_si128(cr_bytes, signflip); // -128 - __m128i cb_biased = _mm_xor_si128(cb_bytes, signflip); // -128 - - // unpack to short (and left-shift cr, cb by 8) - __m128i yw = _mm_unpacklo_epi8(y_bias, y_bytes); - __m128i crw = _mm_unpacklo_epi8(_mm_setzero_si128(), cr_biased); - __m128i cbw = _mm_unpacklo_epi8(_mm_setzero_si128(), cb_biased); - - // color transform - __m128i yws = _mm_srli_epi16(yw, 4); - __m128i cr0 = _mm_mulhi_epi16(cr_const0, crw); - __m128i cb0 = _mm_mulhi_epi16(cb_const0, cbw); - __m128i cb1 = _mm_mulhi_epi16(cbw, cb_const1); - __m128i cr1 = _mm_mulhi_epi16(crw, cr_const1); - __m128i rws = _mm_add_epi16(cr0, yws); - __m128i gwt = _mm_add_epi16(cb0, yws); - __m128i bws = _mm_add_epi16(yws, cb1); - __m128i gws = _mm_add_epi16(gwt, cr1); - - // descale - __m128i rw = _mm_srai_epi16(rws, 4); - __m128i bw = _mm_srai_epi16(bws, 4); - __m128i gw = _mm_srai_epi16(gws, 4); - - // back to byte, set up for transpose - __m128i brb = _mm_packus_epi16(rw, bw); - __m128i gxb = _mm_packus_epi16(gw, xw); - - // transpose to interleave channels - __m128i t0 = _mm_unpacklo_epi8(brb, gxb); - __m128i t1 = _mm_unpackhi_epi8(brb, gxb); - __m128i o0 = _mm_unpacklo_epi16(t0, t1); - __m128i o1 = _mm_unpackhi_epi16(t0, t1); - - // store - _mm_storeu_si128((__m128i *) (out + 0), o0); - _mm_storeu_si128((__m128i *) (out + 16), o1); - out += 32; - } - } -#endif - -#ifdef STBI_NEON - // in this version, step=3 support would be easy to add. but is there demand? - if (step == 4) { - // this is a fairly straightforward implementation and not super-optimized. - uint8x8_t signflip = vdup_n_u8(0x80); - int16x8_t cr_const0 = vdupq_n_s16( (short) ( 1.40200f*4096.0f+0.5f)); - int16x8_t cr_const1 = vdupq_n_s16( - (short) ( 0.71414f*4096.0f+0.5f)); - int16x8_t cb_const0 = vdupq_n_s16( - (short) ( 0.34414f*4096.0f+0.5f)); - int16x8_t cb_const1 = vdupq_n_s16( (short) ( 1.77200f*4096.0f+0.5f)); - - for (; i+7 < count; i += 8) { - // load - uint8x8_t y_bytes = vld1_u8(y + i); - uint8x8_t cr_bytes = vld1_u8(pcr + i); - uint8x8_t cb_bytes = vld1_u8(pcb + i); - int8x8_t cr_biased = vreinterpret_s8_u8(vsub_u8(cr_bytes, signflip)); - int8x8_t cb_biased = vreinterpret_s8_u8(vsub_u8(cb_bytes, signflip)); - - // expand to s16 - int16x8_t yws = vreinterpretq_s16_u16(vshll_n_u8(y_bytes, 4)); - int16x8_t crw = vshll_n_s8(cr_biased, 7); - int16x8_t cbw = vshll_n_s8(cb_biased, 7); - - // color transform - int16x8_t cr0 = vqdmulhq_s16(crw, cr_const0); - int16x8_t cb0 = vqdmulhq_s16(cbw, cb_const0); - int16x8_t cr1 = vqdmulhq_s16(crw, cr_const1); - int16x8_t cb1 = vqdmulhq_s16(cbw, cb_const1); - int16x8_t rws = vaddq_s16(yws, cr0); - int16x8_t gws = vaddq_s16(vaddq_s16(yws, cb0), cr1); - int16x8_t bws = vaddq_s16(yws, cb1); - - // undo scaling, round, convert to byte - uint8x8x4_t o; - o.val[0] = vqrshrun_n_s16(rws, 4); - o.val[1] = vqrshrun_n_s16(gws, 4); - o.val[2] = vqrshrun_n_s16(bws, 4); - o.val[3] = vdup_n_u8(255); - - // store, interleaving r/g/b/a - vst4_u8(out, o); - out += 8*4; - } - } -#endif - - for (; i < count; ++i) { - int y_fixed = (y[i] << 20) + (1<<19); // rounding - int r,g,b; - int cr = pcr[i] - 128; - int cb = pcb[i] - 128; - r = y_fixed + cr* stbi__float2fixed(1.40200f); - g = y_fixed + cr*-stbi__float2fixed(0.71414f) + ((cb*-stbi__float2fixed(0.34414f)) & 0xffff0000); - b = y_fixed + cb* stbi__float2fixed(1.77200f); - r >>= 20; - g >>= 20; - b >>= 20; - if ((unsigned) r > 255) { if (r < 0) r = 0; else r = 255; } - if ((unsigned) g > 255) { if (g < 0) g = 0; else g = 255; } - if ((unsigned) b > 255) { if (b < 0) b = 0; else b = 255; } - out[0] = (stbi_uc)r; - out[1] = (stbi_uc)g; - out[2] = (stbi_uc)b; - out[3] = 255; - out += step; - } -} -#endif - -// set up the kernels -static void stbi__setup_jpeg(stbi__jpeg *j) -{ - j->idct_block_kernel = stbi__idct_block; - j->YCbCr_to_RGB_kernel = stbi__YCbCr_to_RGB_row; - j->resample_row_hv_2_kernel = stbi__resample_row_hv_2; - -#ifdef STBI_SSE2 - if (stbi__sse2_available()) { - j->idct_block_kernel = stbi__idct_simd; - j->YCbCr_to_RGB_kernel = stbi__YCbCr_to_RGB_simd; - j->resample_row_hv_2_kernel = stbi__resample_row_hv_2_simd; - } -#endif - -#ifdef STBI_NEON - j->idct_block_kernel = stbi__idct_simd; - j->YCbCr_to_RGB_kernel = stbi__YCbCr_to_RGB_simd; - j->resample_row_hv_2_kernel = stbi__resample_row_hv_2_simd; -#endif -} - -// clean up the temporary component buffers -static void stbi__cleanup_jpeg(stbi__jpeg *j) -{ - stbi__free_jpeg_components(j, j->s->img_n, 0); -} - -typedef struct -{ - resample_row_func resample; - stbi_uc *line0,*line1; - int hs,vs; // expansion factor in each axis - int w_lores; // horizontal pixels pre-expansion - int ystep; // how far through vertical expansion we are - int ypos; // which pre-expansion row we're on -} stbi__resample; - -// fast 0..255 * 0..255 => 0..255 rounded multiplication -static stbi_uc stbi__blinn_8x8(stbi_uc x, stbi_uc y) -{ - unsigned int t = x*y + 128; - return (stbi_uc) ((t + (t >>8)) >> 8); -} - -static stbi_uc *load_jpeg_image(stbi__jpeg *z, int *out_x, int *out_y, int *comp, int req_comp) -{ - int n, decode_n, is_rgb; - z->s->img_n = 0; // make stbi__cleanup_jpeg safe - - // validate req_comp - if (req_comp < 0 || req_comp > 4) return stbi__errpuc("bad req_comp", "Internal error"); - - // load a jpeg image from whichever source, but leave in YCbCr format - if (!stbi__decode_jpeg_image(z)) { stbi__cleanup_jpeg(z); return NULL; } - - // determine actual number of components to generate - n = req_comp ? req_comp : z->s->img_n >= 3 ? 3 : 1; - - is_rgb = z->s->img_n == 3 && (z->rgb == 3 || (z->app14_color_transform == 0 && !z->jfif)); - - if (z->s->img_n == 3 && n < 3 && !is_rgb) - decode_n = 1; - else - decode_n = z->s->img_n; - - // nothing to do if no components requested; check this now to avoid - // accessing uninitialized coutput[0] later - if (decode_n <= 0) { stbi__cleanup_jpeg(z); return NULL; } - - // resample and color-convert - { - int k; - unsigned int i,j; - stbi_uc *output; - stbi_uc *coutput[4] = { NULL, NULL, NULL, NULL }; - - stbi__resample res_comp[4]; - - for (k=0; k < decode_n; ++k) { - stbi__resample *r = &res_comp[k]; - - // allocate line buffer big enough for upsampling off the edges - // with upsample factor of 4 - z->img_comp[k].linebuf = (stbi_uc *) stbi__malloc(z->s->img_x + 3); - if (!z->img_comp[k].linebuf) { stbi__cleanup_jpeg(z); return stbi__errpuc("outofmem", "Out of memory"); } - - r->hs = z->img_h_max / z->img_comp[k].h; - r->vs = z->img_v_max / z->img_comp[k].v; - r->ystep = r->vs >> 1; - r->w_lores = (z->s->img_x + r->hs-1) / r->hs; - r->ypos = 0; - r->line0 = r->line1 = z->img_comp[k].data; - - if (r->hs == 1 && r->vs == 1) r->resample = resample_row_1; - else if (r->hs == 1 && r->vs == 2) r->resample = stbi__resample_row_v_2; - else if (r->hs == 2 && r->vs == 1) r->resample = stbi__resample_row_h_2; - else if (r->hs == 2 && r->vs == 2) r->resample = z->resample_row_hv_2_kernel; - else r->resample = stbi__resample_row_generic; - } - - // can't error after this so, this is safe - output = (stbi_uc *) stbi__malloc_mad3(n, z->s->img_x, z->s->img_y, 1); - if (!output) { stbi__cleanup_jpeg(z); return stbi__errpuc("outofmem", "Out of memory"); } - - // now go ahead and resample - for (j=0; j < z->s->img_y; ++j) { - stbi_uc *out = output + n * z->s->img_x * j; - for (k=0; k < decode_n; ++k) { - stbi__resample *r = &res_comp[k]; - int y_bot = r->ystep >= (r->vs >> 1); - coutput[k] = r->resample(z->img_comp[k].linebuf, - y_bot ? r->line1 : r->line0, - y_bot ? r->line0 : r->line1, - r->w_lores, r->hs); - if (++r->ystep >= r->vs) { - r->ystep = 0; - r->line0 = r->line1; - if (++r->ypos < z->img_comp[k].y) - r->line1 += z->img_comp[k].w2; - } - } - if (n >= 3) { - stbi_uc *y = coutput[0]; - if (z->s->img_n == 3) { - if (is_rgb) { - for (i=0; i < z->s->img_x; ++i) { - out[0] = y[i]; - out[1] = coutput[1][i]; - out[2] = coutput[2][i]; - out[3] = 255; - out += n; - } - } else { - z->YCbCr_to_RGB_kernel(out, y, coutput[1], coutput[2], z->s->img_x, n); - } - } else if (z->s->img_n == 4) { - if (z->app14_color_transform == 0) { // CMYK - for (i=0; i < z->s->img_x; ++i) { - stbi_uc m = coutput[3][i]; - out[0] = stbi__blinn_8x8(coutput[0][i], m); - out[1] = stbi__blinn_8x8(coutput[1][i], m); - out[2] = stbi__blinn_8x8(coutput[2][i], m); - out[3] = 255; - out += n; - } - } else if (z->app14_color_transform == 2) { // YCCK - z->YCbCr_to_RGB_kernel(out, y, coutput[1], coutput[2], z->s->img_x, n); - for (i=0; i < z->s->img_x; ++i) { - stbi_uc m = coutput[3][i]; - out[0] = stbi__blinn_8x8(255 - out[0], m); - out[1] = stbi__blinn_8x8(255 - out[1], m); - out[2] = stbi__blinn_8x8(255 - out[2], m); - out += n; - } - } else { // YCbCr + alpha? Ignore the fourth channel for now - z->YCbCr_to_RGB_kernel(out, y, coutput[1], coutput[2], z->s->img_x, n); - } - } else - for (i=0; i < z->s->img_x; ++i) { - out[0] = out[1] = out[2] = y[i]; - out[3] = 255; // not used if n==3 - out += n; - } - } else { - if (is_rgb) { - if (n == 1) - for (i=0; i < z->s->img_x; ++i) - *out++ = stbi__compute_y(coutput[0][i], coutput[1][i], coutput[2][i]); - else { - for (i=0; i < z->s->img_x; ++i, out += 2) { - out[0] = stbi__compute_y(coutput[0][i], coutput[1][i], coutput[2][i]); - out[1] = 255; - } - } - } else if (z->s->img_n == 4 && z->app14_color_transform == 0) { - for (i=0; i < z->s->img_x; ++i) { - stbi_uc m = coutput[3][i]; - stbi_uc r = stbi__blinn_8x8(coutput[0][i], m); - stbi_uc g = stbi__blinn_8x8(coutput[1][i], m); - stbi_uc b = stbi__blinn_8x8(coutput[2][i], m); - out[0] = stbi__compute_y(r, g, b); - out[1] = 255; - out += n; - } - } else if (z->s->img_n == 4 && z->app14_color_transform == 2) { - for (i=0; i < z->s->img_x; ++i) { - out[0] = stbi__blinn_8x8(255 - coutput[0][i], coutput[3][i]); - out[1] = 255; - out += n; - } - } else { - stbi_uc *y = coutput[0]; - if (n == 1) - for (i=0; i < z->s->img_x; ++i) out[i] = y[i]; - else - for (i=0; i < z->s->img_x; ++i) { *out++ = y[i]; *out++ = 255; } - } - } - } - stbi__cleanup_jpeg(z); - *out_x = z->s->img_x; - *out_y = z->s->img_y; - if (comp) *comp = z->s->img_n >= 3 ? 3 : 1; // report original components, not output - return output; - } -} - -static void *stbi__jpeg_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri) -{ - unsigned char* result; - stbi__jpeg* j = (stbi__jpeg*) stbi__malloc(sizeof(stbi__jpeg)); - if (!j) return stbi__errpuc("outofmem", "Out of memory"); - memset(j, 0, sizeof(stbi__jpeg)); - STBI_NOTUSED(ri); - j->s = s; - stbi__setup_jpeg(j); - result = load_jpeg_image(j, x,y,comp,req_comp); - STBI_FREE(j); - return result; -} - -static int stbi__jpeg_test(stbi__context *s) -{ - int r; - stbi__jpeg* j = (stbi__jpeg*)stbi__malloc(sizeof(stbi__jpeg)); - if (!j) return stbi__err("outofmem", "Out of memory"); - memset(j, 0, sizeof(stbi__jpeg)); - j->s = s; - stbi__setup_jpeg(j); - r = stbi__decode_jpeg_header(j, STBI__SCAN_type); - stbi__rewind(s); - STBI_FREE(j); - return r; -} - -static int stbi__jpeg_info_raw(stbi__jpeg *j, int *x, int *y, int *comp) -{ - if (!stbi__decode_jpeg_header(j, STBI__SCAN_header)) { - stbi__rewind( j->s ); - return 0; - } - if (x) *x = j->s->img_x; - if (y) *y = j->s->img_y; - if (comp) *comp = j->s->img_n >= 3 ? 3 : 1; - return 1; -} - -static int stbi__jpeg_info(stbi__context *s, int *x, int *y, int *comp) -{ - int result; - stbi__jpeg* j = (stbi__jpeg*) (stbi__malloc(sizeof(stbi__jpeg))); - if (!j) return stbi__err("outofmem", "Out of memory"); - memset(j, 0, sizeof(stbi__jpeg)); - j->s = s; - result = stbi__jpeg_info_raw(j, x, y, comp); - STBI_FREE(j); - return result; -} -#endif - -// public domain zlib decode v0.2 Sean Barrett 2006-11-18 -// simple implementation -// - all input must be provided in an upfront buffer -// - all output is written to a single output buffer (can malloc/realloc) -// performance -// - fast huffman - -#ifndef STBI_NO_ZLIB - -// fast-way is faster to check than jpeg huffman, but slow way is slower -#define STBI__ZFAST_BITS 9 // accelerate all cases in default tables -#define STBI__ZFAST_MASK ((1 << STBI__ZFAST_BITS) - 1) -#define STBI__ZNSYMS 288 // number of symbols in literal/length alphabet - -// zlib-style huffman encoding -// (jpegs packs from left, zlib from right, so can't share code) -typedef struct -{ - stbi__uint16 fast[1 << STBI__ZFAST_BITS]; - stbi__uint16 firstcode[16]; - int maxcode[17]; - stbi__uint16 firstsymbol[16]; - stbi_uc size[STBI__ZNSYMS]; - stbi__uint16 value[STBI__ZNSYMS]; -} stbi__zhuffman; - -stbi_inline static int stbi__bitreverse16(int n) -{ - n = ((n & 0xAAAA) >> 1) | ((n & 0x5555) << 1); - n = ((n & 0xCCCC) >> 2) | ((n & 0x3333) << 2); - n = ((n & 0xF0F0) >> 4) | ((n & 0x0F0F) << 4); - n = ((n & 0xFF00) >> 8) | ((n & 0x00FF) << 8); - return n; -} - -stbi_inline static int stbi__bit_reverse(int v, int bits) -{ - STBI_ASSERT(bits <= 16); - // to bit reverse n bits, reverse 16 and shift - // e.g. 11 bits, bit reverse and shift away 5 - return stbi__bitreverse16(v) >> (16-bits); -} - -static int stbi__zbuild_huffman(stbi__zhuffman *z, const stbi_uc *sizelist, int num) -{ - int i,k=0; - int code, next_code[16], sizes[17]; - - // DEFLATE spec for generating codes - memset(sizes, 0, sizeof(sizes)); - memset(z->fast, 0, sizeof(z->fast)); - for (i=0; i < num; ++i) - ++sizes[sizelist[i]]; - sizes[0] = 0; - for (i=1; i < 16; ++i) - if (sizes[i] > (1 << i)) - return stbi__err("bad sizes", "Corrupt PNG"); - code = 0; - for (i=1; i < 16; ++i) { - next_code[i] = code; - z->firstcode[i] = (stbi__uint16) code; - z->firstsymbol[i] = (stbi__uint16) k; - code = (code + sizes[i]); - if (sizes[i]) - if (code-1 >= (1 << i)) return stbi__err("bad codelengths","Corrupt PNG"); - z->maxcode[i] = code << (16-i); // preshift for inner loop - code <<= 1; - k += sizes[i]; - } - z->maxcode[16] = 0x10000; // sentinel - for (i=0; i < num; ++i) { - int s = sizelist[i]; - if (s) { - int c = next_code[s] - z->firstcode[s] + z->firstsymbol[s]; - stbi__uint16 fastv = (stbi__uint16) ((s << 9) | i); - z->size [c] = (stbi_uc ) s; - z->value[c] = (stbi__uint16) i; - if (s <= STBI__ZFAST_BITS) { - int j = stbi__bit_reverse(next_code[s],s); - while (j < (1 << STBI__ZFAST_BITS)) { - z->fast[j] = fastv; - j += (1 << s); - } - } - ++next_code[s]; - } - } - return 1; -} - -// zlib-from-memory implementation for PNG reading -// because PNG allows splitting the zlib stream arbitrarily, -// and it's annoying structurally to have PNG call ZLIB call PNG, -// we require PNG read all the IDATs and combine them into a single -// memory buffer - -typedef struct -{ - stbi_uc *zbuffer, *zbuffer_end; - int num_bits; - stbi__uint32 code_buffer; - - char *zout; - char *zout_start; - char *zout_end; - int z_expandable; - - stbi__zhuffman z_length, z_distance; -} stbi__zbuf; - -stbi_inline static int stbi__zeof(stbi__zbuf *z) -{ - return (z->zbuffer >= z->zbuffer_end); -} - -stbi_inline static stbi_uc stbi__zget8(stbi__zbuf *z) -{ - return stbi__zeof(z) ? 0 : *z->zbuffer++; -} - -static void stbi__fill_bits(stbi__zbuf *z) -{ - do { - if (z->code_buffer >= (1U << z->num_bits)) { - z->zbuffer = z->zbuffer_end; /* treat this as EOF so we fail. */ - return; - } - z->code_buffer |= (unsigned int) stbi__zget8(z) << z->num_bits; - z->num_bits += 8; - } while (z->num_bits <= 24); -} - -stbi_inline static unsigned int stbi__zreceive(stbi__zbuf *z, int n) -{ - unsigned int k; - if (z->num_bits < n) stbi__fill_bits(z); - k = z->code_buffer & ((1 << n) - 1); - z->code_buffer >>= n; - z->num_bits -= n; - return k; -} - -static int stbi__zhuffman_decode_slowpath(stbi__zbuf *a, stbi__zhuffman *z) -{ - int b,s,k; - // not resolved by fast table, so compute it the slow way - // use jpeg approach, which requires MSbits at top - k = stbi__bit_reverse(a->code_buffer, 16); - for (s=STBI__ZFAST_BITS+1; ; ++s) - if (k < z->maxcode[s]) - break; - if (s >= 16) return -1; // invalid code! - // code size is s, so: - b = (k >> (16-s)) - z->firstcode[s] + z->firstsymbol[s]; - if (b >= STBI__ZNSYMS) return -1; // some data was corrupt somewhere! - if (z->size[b] != s) return -1; // was originally an assert, but report failure instead. - a->code_buffer >>= s; - a->num_bits -= s; - return z->value[b]; -} - -stbi_inline static int stbi__zhuffman_decode(stbi__zbuf *a, stbi__zhuffman *z) -{ - int b,s; - if (a->num_bits < 16) { - if (stbi__zeof(a)) { - return -1; /* report error for unexpected end of data. */ - } - stbi__fill_bits(a); - } - b = z->fast[a->code_buffer & STBI__ZFAST_MASK]; - if (b) { - s = b >> 9; - a->code_buffer >>= s; - a->num_bits -= s; - return b & 511; - } - return stbi__zhuffman_decode_slowpath(a, z); -} - -static int stbi__zexpand(stbi__zbuf *z, char *zout, int n) // need to make room for n bytes -{ - char *q; - unsigned int cur, limit, old_limit; - z->zout = zout; - if (!z->z_expandable) return stbi__err("output buffer limit","Corrupt PNG"); - cur = (unsigned int) (z->zout - z->zout_start); - limit = old_limit = (unsigned) (z->zout_end - z->zout_start); - if (UINT_MAX - cur < (unsigned) n) return stbi__err("outofmem", "Out of memory"); - while (cur + n > limit) { - if(limit > UINT_MAX / 2) return stbi__err("outofmem", "Out of memory"); - limit *= 2; - } - q = (char *) STBI_REALLOC_SIZED(z->zout_start, old_limit, limit); - STBI_NOTUSED(old_limit); - if (q == NULL) return stbi__err("outofmem", "Out of memory"); - z->zout_start = q; - z->zout = q + cur; - z->zout_end = q + limit; - return 1; -} - -static const int stbi__zlength_base[31] = { - 3,4,5,6,7,8,9,10,11,13, - 15,17,19,23,27,31,35,43,51,59, - 67,83,99,115,131,163,195,227,258,0,0 }; - -static const int stbi__zlength_extra[31]= -{ 0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0 }; - -static const int stbi__zdist_base[32] = { 1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193, -257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0}; - -static const int stbi__zdist_extra[32] = -{ 0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13}; - -static int stbi__parse_huffman_block(stbi__zbuf *a) -{ - char *zout = a->zout; - for(;;) { - int z = stbi__zhuffman_decode(a, &a->z_length); - if (z < 256) { - if (z < 0) return stbi__err("bad huffman code","Corrupt PNG"); // error in huffman codes - if (zout >= a->zout_end) { - if (!stbi__zexpand(a, zout, 1)) return 0; - zout = a->zout; - } - *zout++ = (char) z; - } else { - stbi_uc *p; - int len,dist; - if (z == 256) { - a->zout = zout; - return 1; - } - if (z >= 286) return stbi__err("bad huffman code","Corrupt PNG"); // per DEFLATE, length codes 286 and 287 must not appear in compressed data - z -= 257; - len = stbi__zlength_base[z]; - if (stbi__zlength_extra[z]) len += stbi__zreceive(a, stbi__zlength_extra[z]); - z = stbi__zhuffman_decode(a, &a->z_distance); - if (z < 0 || z >= 30) return stbi__err("bad huffman code","Corrupt PNG"); // per DEFLATE, distance codes 30 and 31 must not appear in compressed data - dist = stbi__zdist_base[z]; - if (stbi__zdist_extra[z]) dist += stbi__zreceive(a, stbi__zdist_extra[z]); - if (zout - a->zout_start < dist) return stbi__err("bad dist","Corrupt PNG"); - if (zout + len > a->zout_end) { - if (!stbi__zexpand(a, zout, len)) return 0; - zout = a->zout; - } - p = (stbi_uc *) (zout - dist); - if (dist == 1) { // run of one byte; common in images. - stbi_uc v = *p; - if (len) { do *zout++ = v; while (--len); } - } else { - if (len) { do *zout++ = *p++; while (--len); } - } - } - } -} - -static int stbi__compute_huffman_codes(stbi__zbuf *a) -{ - static const stbi_uc length_dezigzag[19] = { 16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15 }; - stbi__zhuffman z_codelength; - stbi_uc lencodes[286+32+137];//padding for maximum single op - stbi_uc codelength_sizes[19]; - int i,n; - - int hlit = stbi__zreceive(a,5) + 257; - int hdist = stbi__zreceive(a,5) + 1; - int hclen = stbi__zreceive(a,4) + 4; - int ntot = hlit + hdist; - - memset(codelength_sizes, 0, sizeof(codelength_sizes)); - for (i=0; i < hclen; ++i) { - int s = stbi__zreceive(a,3); - codelength_sizes[length_dezigzag[i]] = (stbi_uc) s; - } - if (!stbi__zbuild_huffman(&z_codelength, codelength_sizes, 19)) return 0; - - n = 0; - while (n < ntot) { - int c = stbi__zhuffman_decode(a, &z_codelength); - if (c < 0 || c >= 19) return stbi__err("bad codelengths", "Corrupt PNG"); - if (c < 16) - lencodes[n++] = (stbi_uc) c; - else { - stbi_uc fill = 0; - if (c == 16) { - c = stbi__zreceive(a,2)+3; - if (n == 0) return stbi__err("bad codelengths", "Corrupt PNG"); - fill = lencodes[n-1]; - } else if (c == 17) { - c = stbi__zreceive(a,3)+3; - } else if (c == 18) { - c = stbi__zreceive(a,7)+11; - } else { - return stbi__err("bad codelengths", "Corrupt PNG"); - } - if (ntot - n < c) return stbi__err("bad codelengths", "Corrupt PNG"); - memset(lencodes+n, fill, c); - n += c; - } - } - if (n != ntot) return stbi__err("bad codelengths","Corrupt PNG"); - if (!stbi__zbuild_huffman(&a->z_length, lencodes, hlit)) return 0; - if (!stbi__zbuild_huffman(&a->z_distance, lencodes+hlit, hdist)) return 0; - return 1; -} - -static int stbi__parse_uncompressed_block(stbi__zbuf *a) -{ - stbi_uc header[4]; - int len,nlen,k; - if (a->num_bits & 7) - stbi__zreceive(a, a->num_bits & 7); // discard - // drain the bit-packed data into header - k = 0; - while (a->num_bits > 0) { - header[k++] = (stbi_uc) (a->code_buffer & 255); // suppress MSVC run-time check - a->code_buffer >>= 8; - a->num_bits -= 8; - } - if (a->num_bits < 0) return stbi__err("zlib corrupt","Corrupt PNG"); - // now fill header the normal way - while (k < 4) - header[k++] = stbi__zget8(a); - len = header[1] * 256 + header[0]; - nlen = header[3] * 256 + header[2]; - if (nlen != (len ^ 0xffff)) return stbi__err("zlib corrupt","Corrupt PNG"); - if (a->zbuffer + len > a->zbuffer_end) return stbi__err("read past buffer","Corrupt PNG"); - if (a->zout + len > a->zout_end) - if (!stbi__zexpand(a, a->zout, len)) return 0; - memcpy(a->zout, a->zbuffer, len); - a->zbuffer += len; - a->zout += len; - return 1; -} - -static int stbi__parse_zlib_header(stbi__zbuf *a) -{ - int cmf = stbi__zget8(a); - int cm = cmf & 15; - /* int cinfo = cmf >> 4; */ - int flg = stbi__zget8(a); - if (stbi__zeof(a)) return stbi__err("bad zlib header","Corrupt PNG"); // zlib spec - if ((cmf*256+flg) % 31 != 0) return stbi__err("bad zlib header","Corrupt PNG"); // zlib spec - if (flg & 32) return stbi__err("no preset dict","Corrupt PNG"); // preset dictionary not allowed in png - if (cm != 8) return stbi__err("bad compression","Corrupt PNG"); // DEFLATE required for png - // window = 1 << (8 + cinfo)... but who cares, we fully buffer output - return 1; -} - -static const stbi_uc stbi__zdefault_length[STBI__ZNSYMS] = -{ - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, - 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, - 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, - 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,8,8,8,8,8,8,8,8 -}; -static const stbi_uc stbi__zdefault_distance[32] = -{ - 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5 -}; -/* -Init algorithm: -{ - int i; // use <= to match clearly with spec - for (i=0; i <= 143; ++i) stbi__zdefault_length[i] = 8; - for ( ; i <= 255; ++i) stbi__zdefault_length[i] = 9; - for ( ; i <= 279; ++i) stbi__zdefault_length[i] = 7; - for ( ; i <= 287; ++i) stbi__zdefault_length[i] = 8; - - for (i=0; i <= 31; ++i) stbi__zdefault_distance[i] = 5; -} -*/ - -static int stbi__parse_zlib(stbi__zbuf *a, int parse_header) -{ - int final, type; - if (parse_header) - if (!stbi__parse_zlib_header(a)) return 0; - a->num_bits = 0; - a->code_buffer = 0; - do { - final = stbi__zreceive(a,1); - type = stbi__zreceive(a,2); - if (type == 0) { - if (!stbi__parse_uncompressed_block(a)) return 0; - } else if (type == 3) { - return 0; - } else { - if (type == 1) { - // use fixed code lengths - if (!stbi__zbuild_huffman(&a->z_length , stbi__zdefault_length , STBI__ZNSYMS)) return 0; - if (!stbi__zbuild_huffman(&a->z_distance, stbi__zdefault_distance, 32)) return 0; - } else { - if (!stbi__compute_huffman_codes(a)) return 0; - } - if (!stbi__parse_huffman_block(a)) return 0; - } - } while (!final); - return 1; -} - -static int stbi__do_zlib(stbi__zbuf *a, char *obuf, int olen, int exp, int parse_header) -{ - a->zout_start = obuf; - a->zout = obuf; - a->zout_end = obuf + olen; - a->z_expandable = exp; - - return stbi__parse_zlib(a, parse_header); -} - -STBIDEF char *stbi_zlib_decode_malloc_guesssize(const char *buffer, int len, int initial_size, int *outlen) -{ - stbi__zbuf a; - char *p = (char *) stbi__malloc(initial_size); - if (p == NULL) return NULL; - a.zbuffer = (stbi_uc *) buffer; - a.zbuffer_end = (stbi_uc *) buffer + len; - if (stbi__do_zlib(&a, p, initial_size, 1, 1)) { - if (outlen) *outlen = (int) (a.zout - a.zout_start); - return a.zout_start; - } else { - STBI_FREE(a.zout_start); - return NULL; - } -} - -STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) -{ - return stbi_zlib_decode_malloc_guesssize(buffer, len, 16384, outlen); -} - -STBIDEF char *stbi_zlib_decode_malloc_guesssize_headerflag(const char *buffer, int len, int initial_size, int *outlen, int parse_header) -{ - stbi__zbuf a; - char *p = (char *) stbi__malloc(initial_size); - if (p == NULL) return NULL; - a.zbuffer = (stbi_uc *) buffer; - a.zbuffer_end = (stbi_uc *) buffer + len; - if (stbi__do_zlib(&a, p, initial_size, 1, parse_header)) { - if (outlen) *outlen = (int) (a.zout - a.zout_start); - return a.zout_start; - } else { - STBI_FREE(a.zout_start); - return NULL; - } -} - -STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) -{ - stbi__zbuf a; - a.zbuffer = (stbi_uc *) ibuffer; - a.zbuffer_end = (stbi_uc *) ibuffer + ilen; - if (stbi__do_zlib(&a, obuffer, olen, 0, 1)) - return (int) (a.zout - a.zout_start); - else - return -1; -} - -STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) -{ - stbi__zbuf a; - char *p = (char *) stbi__malloc(16384); - if (p == NULL) return NULL; - a.zbuffer = (stbi_uc *) buffer; - a.zbuffer_end = (stbi_uc *) buffer+len; - if (stbi__do_zlib(&a, p, 16384, 1, 0)) { - if (outlen) *outlen = (int) (a.zout - a.zout_start); - return a.zout_start; - } else { - STBI_FREE(a.zout_start); - return NULL; - } -} - -STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) -{ - stbi__zbuf a; - a.zbuffer = (stbi_uc *) ibuffer; - a.zbuffer_end = (stbi_uc *) ibuffer + ilen; - if (stbi__do_zlib(&a, obuffer, olen, 0, 0)) - return (int) (a.zout - a.zout_start); - else - return -1; -} -#endif - -// public domain "baseline" PNG decoder v0.10 Sean Barrett 2006-11-18 -// simple implementation -// - only 8-bit samples -// - no CRC checking -// - allocates lots of intermediate memory -// - avoids problem of streaming data between subsystems -// - avoids explicit window management -// performance -// - uses stb_zlib, a PD zlib implementation with fast huffman decoding - -#ifndef STBI_NO_PNG -typedef struct -{ - stbi__uint32 length; - stbi__uint32 type; -} stbi__pngchunk; - -static stbi__pngchunk stbi__get_chunk_header(stbi__context *s) -{ - stbi__pngchunk c; - c.length = stbi__get32be(s); - c.type = stbi__get32be(s); - return c; -} - -static int stbi__check_png_header(stbi__context *s) -{ - static const stbi_uc png_sig[8] = { 137,80,78,71,13,10,26,10 }; - int i; - for (i=0; i < 8; ++i) - if (stbi__get8(s) != png_sig[i]) return stbi__err("bad png sig","Not a PNG"); - return 1; -} - -typedef struct -{ - stbi__context *s; - stbi_uc *idata, *expanded, *out; - int depth; -} stbi__png; - - -enum { - STBI__F_none=0, - STBI__F_sub=1, - STBI__F_up=2, - STBI__F_avg=3, - STBI__F_paeth=4, - // synthetic filters used for first scanline to avoid needing a dummy row of 0s - STBI__F_avg_first, - STBI__F_paeth_first -}; - -static stbi_uc first_row_filter[5] = -{ - STBI__F_none, - STBI__F_sub, - STBI__F_none, - STBI__F_avg_first, - STBI__F_paeth_first -}; - -static int stbi__paeth(int a, int b, int c) -{ - int p = a + b - c; - int pa = abs(p-a); - int pb = abs(p-b); - int pc = abs(p-c); - if (pa <= pb && pa <= pc) return a; - if (pb <= pc) return b; - return c; -} - -static const stbi_uc stbi__depth_scale_table[9] = { 0, 0xff, 0x55, 0, 0x11, 0,0,0, 0x01 }; - -// create the png data from post-deflated data -static int stbi__create_png_image_raw(stbi__png *a, stbi_uc *raw, stbi__uint32 raw_len, int out_n, stbi__uint32 x, stbi__uint32 y, int depth, int color) -{ - int bytes = (depth == 16? 2 : 1); - stbi__context *s = a->s; - stbi__uint32 i,j,stride = x*out_n*bytes; - stbi__uint32 img_len, img_width_bytes; - int k; - int img_n = s->img_n; // copy it into a local for later - - int output_bytes = out_n*bytes; - int filter_bytes = img_n*bytes; - int width = x; - - STBI_ASSERT(out_n == s->img_n || out_n == s->img_n+1); - a->out = (stbi_uc *) stbi__malloc_mad3(x, y, output_bytes, 0); // extra bytes to write off the end into - if (!a->out) return stbi__err("outofmem", "Out of memory"); - - if (!stbi__mad3sizes_valid(img_n, x, depth, 7)) return stbi__err("too large", "Corrupt PNG"); - img_width_bytes = (((img_n * x * depth) + 7) >> 3); - img_len = (img_width_bytes + 1) * y; - - // we used to check for exact match between raw_len and img_len on non-interlaced PNGs, - // but issue #276 reported a PNG in the wild that had extra data at the end (all zeros), - // so just check for raw_len < img_len always. - if (raw_len < img_len) return stbi__err("not enough pixels","Corrupt PNG"); - - for (j=0; j < y; ++j) { - stbi_uc *cur = a->out + stride*j; - stbi_uc *prior; - int filter = *raw++; - - if (filter > 4) - return stbi__err("invalid filter","Corrupt PNG"); - - if (depth < 8) { - if (img_width_bytes > x) return stbi__err("invalid width","Corrupt PNG"); - cur += x*out_n - img_width_bytes; // store output to the rightmost img_len bytes, so we can decode in place - filter_bytes = 1; - width = img_width_bytes; - } - prior = cur - stride; // bugfix: need to compute this after 'cur +=' computation above - - // if first row, use special filter that doesn't sample previous row - if (j == 0) filter = first_row_filter[filter]; - - // handle first byte explicitly - for (k=0; k < filter_bytes; ++k) { - switch (filter) { - case STBI__F_none : cur[k] = raw[k]; break; - case STBI__F_sub : cur[k] = raw[k]; break; - case STBI__F_up : cur[k] = STBI__BYTECAST(raw[k] + prior[k]); break; - case STBI__F_avg : cur[k] = STBI__BYTECAST(raw[k] + (prior[k]>>1)); break; - case STBI__F_paeth : cur[k] = STBI__BYTECAST(raw[k] + stbi__paeth(0,prior[k],0)); break; - case STBI__F_avg_first : cur[k] = raw[k]; break; - case STBI__F_paeth_first: cur[k] = raw[k]; break; - } - } - - if (depth == 8) { - if (img_n != out_n) - cur[img_n] = 255; // first pixel - raw += img_n; - cur += out_n; - prior += out_n; - } else if (depth == 16) { - if (img_n != out_n) { - cur[filter_bytes] = 255; // first pixel top byte - cur[filter_bytes+1] = 255; // first pixel bottom byte - } - raw += filter_bytes; - cur += output_bytes; - prior += output_bytes; - } else { - raw += 1; - cur += 1; - prior += 1; - } - - // this is a little gross, so that we don't switch per-pixel or per-component - if (depth < 8 || img_n == out_n) { - int nk = (width - 1)*filter_bytes; - #define STBI__CASE(f) \ - case f: \ - for (k=0; k < nk; ++k) - switch (filter) { - // "none" filter turns into a memcpy here; make that explicit. - case STBI__F_none: memcpy(cur, raw, nk); break; - STBI__CASE(STBI__F_sub) { cur[k] = STBI__BYTECAST(raw[k] + cur[k-filter_bytes]); } break; - STBI__CASE(STBI__F_up) { cur[k] = STBI__BYTECAST(raw[k] + prior[k]); } break; - STBI__CASE(STBI__F_avg) { cur[k] = STBI__BYTECAST(raw[k] + ((prior[k] + cur[k-filter_bytes])>>1)); } break; - STBI__CASE(STBI__F_paeth) { cur[k] = STBI__BYTECAST(raw[k] + stbi__paeth(cur[k-filter_bytes],prior[k],prior[k-filter_bytes])); } break; - STBI__CASE(STBI__F_avg_first) { cur[k] = STBI__BYTECAST(raw[k] + (cur[k-filter_bytes] >> 1)); } break; - STBI__CASE(STBI__F_paeth_first) { cur[k] = STBI__BYTECAST(raw[k] + stbi__paeth(cur[k-filter_bytes],0,0)); } break; - } - #undef STBI__CASE - raw += nk; - } else { - STBI_ASSERT(img_n+1 == out_n); - #define STBI__CASE(f) \ - case f: \ - for (i=x-1; i >= 1; --i, cur[filter_bytes]=255,raw+=filter_bytes,cur+=output_bytes,prior+=output_bytes) \ - for (k=0; k < filter_bytes; ++k) - switch (filter) { - STBI__CASE(STBI__F_none) { cur[k] = raw[k]; } break; - STBI__CASE(STBI__F_sub) { cur[k] = STBI__BYTECAST(raw[k] + cur[k- output_bytes]); } break; - STBI__CASE(STBI__F_up) { cur[k] = STBI__BYTECAST(raw[k] + prior[k]); } break; - STBI__CASE(STBI__F_avg) { cur[k] = STBI__BYTECAST(raw[k] + ((prior[k] + cur[k- output_bytes])>>1)); } break; - STBI__CASE(STBI__F_paeth) { cur[k] = STBI__BYTECAST(raw[k] + stbi__paeth(cur[k- output_bytes],prior[k],prior[k- output_bytes])); } break; - STBI__CASE(STBI__F_avg_first) { cur[k] = STBI__BYTECAST(raw[k] + (cur[k- output_bytes] >> 1)); } break; - STBI__CASE(STBI__F_paeth_first) { cur[k] = STBI__BYTECAST(raw[k] + stbi__paeth(cur[k- output_bytes],0,0)); } break; - } - #undef STBI__CASE - - // the loop above sets the high byte of the pixels' alpha, but for - // 16 bit png files we also need the low byte set. we'll do that here. - if (depth == 16) { - cur = a->out + stride*j; // start at the beginning of the row again - for (i=0; i < x; ++i,cur+=output_bytes) { - cur[filter_bytes+1] = 255; - } - } - } - } - - // we make a separate pass to expand bits to pixels; for performance, - // this could run two scanlines behind the above code, so it won't - // intefere with filtering but will still be in the cache. - if (depth < 8) { - for (j=0; j < y; ++j) { - stbi_uc *cur = a->out + stride*j; - stbi_uc *in = a->out + stride*j + x*out_n - img_width_bytes; - // unpack 1/2/4-bit into a 8-bit buffer. allows us to keep the common 8-bit path optimal at minimal cost for 1/2/4-bit - // png guarante byte alignment, if width is not multiple of 8/4/2 we'll decode dummy trailing data that will be skipped in the later loop - stbi_uc scale = (color == 0) ? stbi__depth_scale_table[depth] : 1; // scale grayscale values to 0..255 range - - // note that the final byte might overshoot and write more data than desired. - // we can allocate enough data that this never writes out of memory, but it - // could also overwrite the next scanline. can it overwrite non-empty data - // on the next scanline? yes, consider 1-pixel-wide scanlines with 1-bit-per-pixel. - // so we need to explicitly clamp the final ones - - if (depth == 4) { - for (k=x*img_n; k >= 2; k-=2, ++in) { - *cur++ = scale * ((*in >> 4) ); - *cur++ = scale * ((*in ) & 0x0f); - } - if (k > 0) *cur++ = scale * ((*in >> 4) ); - } else if (depth == 2) { - for (k=x*img_n; k >= 4; k-=4, ++in) { - *cur++ = scale * ((*in >> 6) ); - *cur++ = scale * ((*in >> 4) & 0x03); - *cur++ = scale * ((*in >> 2) & 0x03); - *cur++ = scale * ((*in ) & 0x03); - } - if (k > 0) *cur++ = scale * ((*in >> 6) ); - if (k > 1) *cur++ = scale * ((*in >> 4) & 0x03); - if (k > 2) *cur++ = scale * ((*in >> 2) & 0x03); - } else if (depth == 1) { - for (k=x*img_n; k >= 8; k-=8, ++in) { - *cur++ = scale * ((*in >> 7) ); - *cur++ = scale * ((*in >> 6) & 0x01); - *cur++ = scale * ((*in >> 5) & 0x01); - *cur++ = scale * ((*in >> 4) & 0x01); - *cur++ = scale * ((*in >> 3) & 0x01); - *cur++ = scale * ((*in >> 2) & 0x01); - *cur++ = scale * ((*in >> 1) & 0x01); - *cur++ = scale * ((*in ) & 0x01); - } - if (k > 0) *cur++ = scale * ((*in >> 7) ); - if (k > 1) *cur++ = scale * ((*in >> 6) & 0x01); - if (k > 2) *cur++ = scale * ((*in >> 5) & 0x01); - if (k > 3) *cur++ = scale * ((*in >> 4) & 0x01); - if (k > 4) *cur++ = scale * ((*in >> 3) & 0x01); - if (k > 5) *cur++ = scale * ((*in >> 2) & 0x01); - if (k > 6) *cur++ = scale * ((*in >> 1) & 0x01); - } - if (img_n != out_n) { - int q; - // insert alpha = 255 - cur = a->out + stride*j; - if (img_n == 1) { - for (q=x-1; q >= 0; --q) { - cur[q*2+1] = 255; - cur[q*2+0] = cur[q]; - } - } else { - STBI_ASSERT(img_n == 3); - for (q=x-1; q >= 0; --q) { - cur[q*4+3] = 255; - cur[q*4+2] = cur[q*3+2]; - cur[q*4+1] = cur[q*3+1]; - cur[q*4+0] = cur[q*3+0]; - } - } - } - } - } else if (depth == 16) { - // force the image data from big-endian to platform-native. - // this is done in a separate pass due to the decoding relying - // on the data being untouched, but could probably be done - // per-line during decode if care is taken. - stbi_uc *cur = a->out; - stbi__uint16 *cur16 = (stbi__uint16*)cur; - - for(i=0; i < x*y*out_n; ++i,cur16++,cur+=2) { - *cur16 = (cur[0] << 8) | cur[1]; - } - } - - return 1; -} - -static int stbi__create_png_image(stbi__png *a, stbi_uc *image_data, stbi__uint32 image_data_len, int out_n, int depth, int color, int interlaced) -{ - int bytes = (depth == 16 ? 2 : 1); - int out_bytes = out_n * bytes; - stbi_uc *final; - int p; - if (!interlaced) - return stbi__create_png_image_raw(a, image_data, image_data_len, out_n, a->s->img_x, a->s->img_y, depth, color); - - // de-interlacing - final = (stbi_uc *) stbi__malloc_mad3(a->s->img_x, a->s->img_y, out_bytes, 0); - if (!final) return stbi__err("outofmem", "Out of memory"); - for (p=0; p < 7; ++p) { - int xorig[] = { 0,4,0,2,0,1,0 }; - int yorig[] = { 0,0,4,0,2,0,1 }; - int xspc[] = { 8,8,4,4,2,2,1 }; - int yspc[] = { 8,8,8,4,4,2,2 }; - int i,j,x,y; - // pass1_x[4] = 0, pass1_x[5] = 1, pass1_x[12] = 1 - x = (a->s->img_x - xorig[p] + xspc[p]-1) / xspc[p]; - y = (a->s->img_y - yorig[p] + yspc[p]-1) / yspc[p]; - if (x && y) { - stbi__uint32 img_len = ((((a->s->img_n * x * depth) + 7) >> 3) + 1) * y; - if (!stbi__create_png_image_raw(a, image_data, image_data_len, out_n, x, y, depth, color)) { - STBI_FREE(final); - return 0; - } - for (j=0; j < y; ++j) { - for (i=0; i < x; ++i) { - int out_y = j*yspc[p]+yorig[p]; - int out_x = i*xspc[p]+xorig[p]; - memcpy(final + out_y*a->s->img_x*out_bytes + out_x*out_bytes, - a->out + (j*x+i)*out_bytes, out_bytes); - } - } - STBI_FREE(a->out); - image_data += img_len; - image_data_len -= img_len; - } - } - a->out = final; - - return 1; -} - -static int stbi__compute_transparency(stbi__png *z, stbi_uc tc[3], int out_n) -{ - stbi__context *s = z->s; - stbi__uint32 i, pixel_count = s->img_x * s->img_y; - stbi_uc *p = z->out; - - // compute color-based transparency, assuming we've - // already got 255 as the alpha value in the output - STBI_ASSERT(out_n == 2 || out_n == 4); - - if (out_n == 2) { - for (i=0; i < pixel_count; ++i) { - p[1] = (p[0] == tc[0] ? 0 : 255); - p += 2; - } - } else { - for (i=0; i < pixel_count; ++i) { - if (p[0] == tc[0] && p[1] == tc[1] && p[2] == tc[2]) - p[3] = 0; - p += 4; - } - } - return 1; -} - -static int stbi__compute_transparency16(stbi__png *z, stbi__uint16 tc[3], int out_n) -{ - stbi__context *s = z->s; - stbi__uint32 i, pixel_count = s->img_x * s->img_y; - stbi__uint16 *p = (stbi__uint16*) z->out; - - // compute color-based transparency, assuming we've - // already got 65535 as the alpha value in the output - STBI_ASSERT(out_n == 2 || out_n == 4); - - if (out_n == 2) { - for (i = 0; i < pixel_count; ++i) { - p[1] = (p[0] == tc[0] ? 0 : 65535); - p += 2; - } - } else { - for (i = 0; i < pixel_count; ++i) { - if (p[0] == tc[0] && p[1] == tc[1] && p[2] == tc[2]) - p[3] = 0; - p += 4; - } - } - return 1; -} - -static int stbi__expand_png_palette(stbi__png *a, stbi_uc *palette, int len, int pal_img_n) -{ - stbi__uint32 i, pixel_count = a->s->img_x * a->s->img_y; - stbi_uc *p, *temp_out, *orig = a->out; - - p = (stbi_uc *) stbi__malloc_mad2(pixel_count, pal_img_n, 0); - if (p == NULL) return stbi__err("outofmem", "Out of memory"); - - // between here and free(out) below, exitting would leak - temp_out = p; - - if (pal_img_n == 3) { - for (i=0; i < pixel_count; ++i) { - int n = orig[i]*4; - p[0] = palette[n ]; - p[1] = palette[n+1]; - p[2] = palette[n+2]; - p += 3; - } - } else { - for (i=0; i < pixel_count; ++i) { - int n = orig[i]*4; - p[0] = palette[n ]; - p[1] = palette[n+1]; - p[2] = palette[n+2]; - p[3] = palette[n+3]; - p += 4; - } - } - STBI_FREE(a->out); - a->out = temp_out; - - STBI_NOTUSED(len); - - return 1; -} - -static int stbi__unpremultiply_on_load_global = 0; -static int stbi__de_iphone_flag_global = 0; - -STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) -{ - stbi__unpremultiply_on_load_global = flag_true_if_should_unpremultiply; -} - -STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) -{ - stbi__de_iphone_flag_global = flag_true_if_should_convert; -} - -#ifndef STBI_THREAD_LOCAL -#define stbi__unpremultiply_on_load stbi__unpremultiply_on_load_global -#define stbi__de_iphone_flag stbi__de_iphone_flag_global -#else -static STBI_THREAD_LOCAL int stbi__unpremultiply_on_load_local, stbi__unpremultiply_on_load_set; -static STBI_THREAD_LOCAL int stbi__de_iphone_flag_local, stbi__de_iphone_flag_set; - -STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) -{ - stbi__unpremultiply_on_load_local = flag_true_if_should_unpremultiply; - stbi__unpremultiply_on_load_set = 1; -} - -STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) -{ - stbi__de_iphone_flag_local = flag_true_if_should_convert; - stbi__de_iphone_flag_set = 1; -} - -#define stbi__unpremultiply_on_load (stbi__unpremultiply_on_load_set \ - ? stbi__unpremultiply_on_load_local \ - : stbi__unpremultiply_on_load_global) -#define stbi__de_iphone_flag (stbi__de_iphone_flag_set \ - ? stbi__de_iphone_flag_local \ - : stbi__de_iphone_flag_global) -#endif // STBI_THREAD_LOCAL - -static void stbi__de_iphone(stbi__png *z) -{ - stbi__context *s = z->s; - stbi__uint32 i, pixel_count = s->img_x * s->img_y; - stbi_uc *p = z->out; - - if (s->img_out_n == 3) { // convert bgr to rgb - for (i=0; i < pixel_count; ++i) { - stbi_uc t = p[0]; - p[0] = p[2]; - p[2] = t; - p += 3; - } - } else { - STBI_ASSERT(s->img_out_n == 4); - if (stbi__unpremultiply_on_load) { - // convert bgr to rgb and unpremultiply - for (i=0; i < pixel_count; ++i) { - stbi_uc a = p[3]; - stbi_uc t = p[0]; - if (a) { - stbi_uc half = a / 2; - p[0] = (p[2] * 255 + half) / a; - p[1] = (p[1] * 255 + half) / a; - p[2] = ( t * 255 + half) / a; - } else { - p[0] = p[2]; - p[2] = t; - } - p += 4; - } - } else { - // convert bgr to rgb - for (i=0; i < pixel_count; ++i) { - stbi_uc t = p[0]; - p[0] = p[2]; - p[2] = t; - p += 4; - } - } - } -} - -#define STBI__PNG_TYPE(a,b,c,d) (((unsigned) (a) << 24) + ((unsigned) (b) << 16) + ((unsigned) (c) << 8) + (unsigned) (d)) - -static int stbi__parse_png_file(stbi__png *z, int scan, int req_comp) -{ - stbi_uc palette[1024], pal_img_n=0; - stbi_uc has_trans=0, tc[3]={0}; - stbi__uint16 tc16[3]; - stbi__uint32 ioff=0, idata_limit=0, i, pal_len=0; - int first=1,k,interlace=0, color=0, is_iphone=0; - stbi__context *s = z->s; - - z->expanded = NULL; - z->idata = NULL; - z->out = NULL; - - if (!stbi__check_png_header(s)) return 0; - - if (scan == STBI__SCAN_type) return 1; - - for (;;) { - stbi__pngchunk c = stbi__get_chunk_header(s); - switch (c.type) { - case STBI__PNG_TYPE('C','g','B','I'): - is_iphone = 1; - stbi__skip(s, c.length); - break; - case STBI__PNG_TYPE('I','H','D','R'): { - int comp,filter; - if (!first) return stbi__err("multiple IHDR","Corrupt PNG"); - first = 0; - if (c.length != 13) return stbi__err("bad IHDR len","Corrupt PNG"); - s->img_x = stbi__get32be(s); - s->img_y = stbi__get32be(s); - if (s->img_y > STBI_MAX_DIMENSIONS) return stbi__err("too large","Very large image (corrupt?)"); - if (s->img_x > STBI_MAX_DIMENSIONS) return stbi__err("too large","Very large image (corrupt?)"); - z->depth = stbi__get8(s); if (z->depth != 1 && z->depth != 2 && z->depth != 4 && z->depth != 8 && z->depth != 16) return stbi__err("1/2/4/8/16-bit only","PNG not supported: 1/2/4/8/16-bit only"); - color = stbi__get8(s); if (color > 6) return stbi__err("bad ctype","Corrupt PNG"); - if (color == 3 && z->depth == 16) return stbi__err("bad ctype","Corrupt PNG"); - if (color == 3) pal_img_n = 3; else if (color & 1) return stbi__err("bad ctype","Corrupt PNG"); - comp = stbi__get8(s); if (comp) return stbi__err("bad comp method","Corrupt PNG"); - filter= stbi__get8(s); if (filter) return stbi__err("bad filter method","Corrupt PNG"); - interlace = stbi__get8(s); if (interlace>1) return stbi__err("bad interlace method","Corrupt PNG"); - if (!s->img_x || !s->img_y) return stbi__err("0-pixel image","Corrupt PNG"); - if (!pal_img_n) { - s->img_n = (color & 2 ? 3 : 1) + (color & 4 ? 1 : 0); - if ((1 << 30) / s->img_x / s->img_n < s->img_y) return stbi__err("too large", "Image too large to decode"); - } else { - // if paletted, then pal_n is our final components, and - // img_n is # components to decompress/filter. - s->img_n = 1; - if ((1 << 30) / s->img_x / 4 < s->img_y) return stbi__err("too large","Corrupt PNG"); - } - // even with SCAN_header, have to scan to see if we have a tRNS - break; - } - - case STBI__PNG_TYPE('P','L','T','E'): { - if (first) return stbi__err("first not IHDR", "Corrupt PNG"); - if (c.length > 256*3) return stbi__err("invalid PLTE","Corrupt PNG"); - pal_len = c.length / 3; - if (pal_len * 3 != c.length) return stbi__err("invalid PLTE","Corrupt PNG"); - for (i=0; i < pal_len; ++i) { - palette[i*4+0] = stbi__get8(s); - palette[i*4+1] = stbi__get8(s); - palette[i*4+2] = stbi__get8(s); - palette[i*4+3] = 255; - } - break; - } - - case STBI__PNG_TYPE('t','R','N','S'): { - if (first) return stbi__err("first not IHDR", "Corrupt PNG"); - if (z->idata) return stbi__err("tRNS after IDAT","Corrupt PNG"); - if (pal_img_n) { - if (scan == STBI__SCAN_header) { s->img_n = 4; return 1; } - if (pal_len == 0) return stbi__err("tRNS before PLTE","Corrupt PNG"); - if (c.length > pal_len) return stbi__err("bad tRNS len","Corrupt PNG"); - pal_img_n = 4; - for (i=0; i < c.length; ++i) - palette[i*4+3] = stbi__get8(s); - } else { - if (!(s->img_n & 1)) return stbi__err("tRNS with alpha","Corrupt PNG"); - if (c.length != (stbi__uint32) s->img_n*2) return stbi__err("bad tRNS len","Corrupt PNG"); - has_trans = 1; - // non-paletted with tRNS = constant alpha. if header-scanning, we can stop now. - if (scan == STBI__SCAN_header) { ++s->img_n; return 1; } - if (z->depth == 16) { - for (k = 0; k < s->img_n; ++k) tc16[k] = (stbi__uint16)stbi__get16be(s); // copy the values as-is - } else { - for (k = 0; k < s->img_n; ++k) tc[k] = (stbi_uc)(stbi__get16be(s) & 255) * stbi__depth_scale_table[z->depth]; // non 8-bit images will be larger - } - } - break; - } - - case STBI__PNG_TYPE('I','D','A','T'): { - if (first) return stbi__err("first not IHDR", "Corrupt PNG"); - if (pal_img_n && !pal_len) return stbi__err("no PLTE","Corrupt PNG"); - if (scan == STBI__SCAN_header) { - // header scan definitely stops at first IDAT - if (pal_img_n) - s->img_n = pal_img_n; - return 1; - } - if (c.length > (1u << 30)) return stbi__err("IDAT size limit", "IDAT section larger than 2^30 bytes"); - if ((int)(ioff + c.length) < (int)ioff) return 0; - if (ioff + c.length > idata_limit) { - stbi__uint32 idata_limit_old = idata_limit; - stbi_uc *p; - if (idata_limit == 0) idata_limit = c.length > 4096 ? c.length : 4096; - while (ioff + c.length > idata_limit) - idata_limit *= 2; - STBI_NOTUSED(idata_limit_old); - p = (stbi_uc *) STBI_REALLOC_SIZED(z->idata, idata_limit_old, idata_limit); if (p == NULL) return stbi__err("outofmem", "Out of memory"); - z->idata = p; - } - if (!stbi__getn(s, z->idata+ioff,c.length)) return stbi__err("outofdata","Corrupt PNG"); - ioff += c.length; - break; - } - - case STBI__PNG_TYPE('I','E','N','D'): { - stbi__uint32 raw_len, bpl; - if (first) return stbi__err("first not IHDR", "Corrupt PNG"); - if (scan != STBI__SCAN_load) return 1; - if (z->idata == NULL) return stbi__err("no IDAT","Corrupt PNG"); - // initial guess for decoded data size to avoid unnecessary reallocs - bpl = (s->img_x * z->depth + 7) / 8; // bytes per line, per component - raw_len = bpl * s->img_y * s->img_n /* pixels */ + s->img_y /* filter mode per row */; - z->expanded = (stbi_uc *) stbi_zlib_decode_malloc_guesssize_headerflag((char *) z->idata, ioff, raw_len, (int *) &raw_len, !is_iphone); - if (z->expanded == NULL) return 0; // zlib should set error - STBI_FREE(z->idata); z->idata = NULL; - if ((req_comp == s->img_n+1 && req_comp != 3 && !pal_img_n) || has_trans) - s->img_out_n = s->img_n+1; - else - s->img_out_n = s->img_n; - if (!stbi__create_png_image(z, z->expanded, raw_len, s->img_out_n, z->depth, color, interlace)) return 0; - if (has_trans) { - if (z->depth == 16) { - if (!stbi__compute_transparency16(z, tc16, s->img_out_n)) return 0; - } else { - if (!stbi__compute_transparency(z, tc, s->img_out_n)) return 0; - } - } - if (is_iphone && stbi__de_iphone_flag && s->img_out_n > 2) - stbi__de_iphone(z); - if (pal_img_n) { - // pal_img_n == 3 or 4 - s->img_n = pal_img_n; // record the actual colors we had - s->img_out_n = pal_img_n; - if (req_comp >= 3) s->img_out_n = req_comp; - if (!stbi__expand_png_palette(z, palette, pal_len, s->img_out_n)) - return 0; - } else if (has_trans) { - // non-paletted image with tRNS -> source image has (constant) alpha - ++s->img_n; - } - STBI_FREE(z->expanded); z->expanded = NULL; - // end of PNG chunk, read and skip CRC - stbi__get32be(s); - return 1; - } - - default: - // if critical, fail - if (first) return stbi__err("first not IHDR", "Corrupt PNG"); - if ((c.type & (1 << 29)) == 0) { - #ifndef STBI_NO_FAILURE_STRINGS - // not threadsafe - static char invalid_chunk[] = "XXXX PNG chunk not known"; - invalid_chunk[0] = STBI__BYTECAST(c.type >> 24); - invalid_chunk[1] = STBI__BYTECAST(c.type >> 16); - invalid_chunk[2] = STBI__BYTECAST(c.type >> 8); - invalid_chunk[3] = STBI__BYTECAST(c.type >> 0); - #endif - return stbi__err(invalid_chunk, "PNG not supported: unknown PNG chunk type"); - } - stbi__skip(s, c.length); - break; - } - // end of PNG chunk, read and skip CRC - stbi__get32be(s); - } -} - -static void *stbi__do_png(stbi__png *p, int *x, int *y, int *n, int req_comp, stbi__result_info *ri) -{ - void *result=NULL; - if (req_comp < 0 || req_comp > 4) return stbi__errpuc("bad req_comp", "Internal error"); - if (stbi__parse_png_file(p, STBI__SCAN_load, req_comp)) { - if (p->depth <= 8) - ri->bits_per_channel = 8; - else if (p->depth == 16) - ri->bits_per_channel = 16; - else - return stbi__errpuc("bad bits_per_channel", "PNG not supported: unsupported color depth"); - result = p->out; - p->out = NULL; - if (req_comp && req_comp != p->s->img_out_n) { - if (ri->bits_per_channel == 8) - result = stbi__convert_format((unsigned char *) result, p->s->img_out_n, req_comp, p->s->img_x, p->s->img_y); - else - result = stbi__convert_format16((stbi__uint16 *) result, p->s->img_out_n, req_comp, p->s->img_x, p->s->img_y); - p->s->img_out_n = req_comp; - if (result == NULL) return result; - } - *x = p->s->img_x; - *y = p->s->img_y; - if (n) *n = p->s->img_n; - } - STBI_FREE(p->out); p->out = NULL; - STBI_FREE(p->expanded); p->expanded = NULL; - STBI_FREE(p->idata); p->idata = NULL; - - return result; -} - -static void *stbi__png_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri) -{ - stbi__png p; - p.s = s; - return stbi__do_png(&p, x,y,comp,req_comp, ri); -} - -static int stbi__png_test(stbi__context *s) -{ - int r; - r = stbi__check_png_header(s); - stbi__rewind(s); - return r; -} - -static int stbi__png_info_raw(stbi__png *p, int *x, int *y, int *comp) -{ - if (!stbi__parse_png_file(p, STBI__SCAN_header, 0)) { - stbi__rewind( p->s ); - return 0; - } - if (x) *x = p->s->img_x; - if (y) *y = p->s->img_y; - if (comp) *comp = p->s->img_n; - return 1; -} - -static int stbi__png_info(stbi__context *s, int *x, int *y, int *comp) -{ - stbi__png p; - p.s = s; - return stbi__png_info_raw(&p, x, y, comp); -} - -static int stbi__png_is16(stbi__context *s) -{ - stbi__png p; - p.s = s; - if (!stbi__png_info_raw(&p, NULL, NULL, NULL)) - return 0; - if (p.depth != 16) { - stbi__rewind(p.s); - return 0; - } - return 1; -} -#endif - -// Microsoft/Windows BMP image - -#ifndef STBI_NO_BMP -static int stbi__bmp_test_raw(stbi__context *s) -{ - int r; - int sz; - if (stbi__get8(s) != 'B') return 0; - if (stbi__get8(s) != 'M') return 0; - stbi__get32le(s); // discard filesize - stbi__get16le(s); // discard reserved - stbi__get16le(s); // discard reserved - stbi__get32le(s); // discard data offset - sz = stbi__get32le(s); - r = (sz == 12 || sz == 40 || sz == 56 || sz == 108 || sz == 124); - return r; -} - -static int stbi__bmp_test(stbi__context *s) -{ - int r = stbi__bmp_test_raw(s); - stbi__rewind(s); - return r; -} - - -// returns 0..31 for the highest set bit -static int stbi__high_bit(unsigned int z) -{ - int n=0; - if (z == 0) return -1; - if (z >= 0x10000) { n += 16; z >>= 16; } - if (z >= 0x00100) { n += 8; z >>= 8; } - if (z >= 0x00010) { n += 4; z >>= 4; } - if (z >= 0x00004) { n += 2; z >>= 2; } - if (z >= 0x00002) { n += 1;/* >>= 1;*/ } - return n; -} - -static int stbi__bitcount(unsigned int a) -{ - a = (a & 0x55555555) + ((a >> 1) & 0x55555555); // max 2 - a = (a & 0x33333333) + ((a >> 2) & 0x33333333); // max 4 - a = (a + (a >> 4)) & 0x0f0f0f0f; // max 8 per 4, now 8 bits - a = (a + (a >> 8)); // max 16 per 8 bits - a = (a + (a >> 16)); // max 32 per 8 bits - return a & 0xff; -} - -// extract an arbitrarily-aligned N-bit value (N=bits) -// from v, and then make it 8-bits long and fractionally -// extend it to full full range. -static int stbi__shiftsigned(unsigned int v, int shift, int bits) -{ - static unsigned int mul_table[9] = { - 0, - 0xff/*0b11111111*/, 0x55/*0b01010101*/, 0x49/*0b01001001*/, 0x11/*0b00010001*/, - 0x21/*0b00100001*/, 0x41/*0b01000001*/, 0x81/*0b10000001*/, 0x01/*0b00000001*/, - }; - static unsigned int shift_table[9] = { - 0, 0,0,1,0,2,4,6,0, - }; - if (shift < 0) - v <<= -shift; - else - v >>= shift; - STBI_ASSERT(v < 256); - v >>= (8-bits); - STBI_ASSERT(bits >= 0 && bits <= 8); - return (int) ((unsigned) v * mul_table[bits]) >> shift_table[bits]; -} - -typedef struct -{ - int bpp, offset, hsz; - unsigned int mr,mg,mb,ma, all_a; - int extra_read; -} stbi__bmp_data; - -static int stbi__bmp_set_mask_defaults(stbi__bmp_data *info, int compress) -{ - // BI_BITFIELDS specifies masks explicitly, don't override - if (compress == 3) - return 1; - - if (compress == 0) { - if (info->bpp == 16) { - info->mr = 31u << 10; - info->mg = 31u << 5; - info->mb = 31u << 0; - } else if (info->bpp == 32) { - info->mr = 0xffu << 16; - info->mg = 0xffu << 8; - info->mb = 0xffu << 0; - info->ma = 0xffu << 24; - info->all_a = 0; // if all_a is 0 at end, then we loaded alpha channel but it was all 0 - } else { - // otherwise, use defaults, which is all-0 - info->mr = info->mg = info->mb = info->ma = 0; - } - return 1; - } - return 0; // error -} - -static void *stbi__bmp_parse_header(stbi__context *s, stbi__bmp_data *info) -{ - int hsz; - if (stbi__get8(s) != 'B' || stbi__get8(s) != 'M') return stbi__errpuc("not BMP", "Corrupt BMP"); - stbi__get32le(s); // discard filesize - stbi__get16le(s); // discard reserved - stbi__get16le(s); // discard reserved - info->offset = stbi__get32le(s); - info->hsz = hsz = stbi__get32le(s); - info->mr = info->mg = info->mb = info->ma = 0; - info->extra_read = 14; - - if (info->offset < 0) return stbi__errpuc("bad BMP", "bad BMP"); - - if (hsz != 12 && hsz != 40 && hsz != 56 && hsz != 108 && hsz != 124) return stbi__errpuc("unknown BMP", "BMP type not supported: unknown"); - if (hsz == 12) { - s->img_x = stbi__get16le(s); - s->img_y = stbi__get16le(s); - } else { - s->img_x = stbi__get32le(s); - s->img_y = stbi__get32le(s); - } - if (stbi__get16le(s) != 1) return stbi__errpuc("bad BMP", "bad BMP"); - info->bpp = stbi__get16le(s); - if (hsz != 12) { - int compress = stbi__get32le(s); - if (compress == 1 || compress == 2) return stbi__errpuc("BMP RLE", "BMP type not supported: RLE"); - if (compress >= 4) return stbi__errpuc("BMP JPEG/PNG", "BMP type not supported: unsupported compression"); // this includes PNG/JPEG modes - if (compress == 3 && info->bpp != 16 && info->bpp != 32) return stbi__errpuc("bad BMP", "bad BMP"); // bitfields requires 16 or 32 bits/pixel - stbi__get32le(s); // discard sizeof - stbi__get32le(s); // discard hres - stbi__get32le(s); // discard vres - stbi__get32le(s); // discard colorsused - stbi__get32le(s); // discard max important - if (hsz == 40 || hsz == 56) { - if (hsz == 56) { - stbi__get32le(s); - stbi__get32le(s); - stbi__get32le(s); - stbi__get32le(s); - } - if (info->bpp == 16 || info->bpp == 32) { - if (compress == 0) { - stbi__bmp_set_mask_defaults(info, compress); - } else if (compress == 3) { - info->mr = stbi__get32le(s); - info->mg = stbi__get32le(s); - info->mb = stbi__get32le(s); - info->extra_read += 12; - // not documented, but generated by photoshop and handled by mspaint - if (info->mr == info->mg && info->mg == info->mb) { - // ?!?!? - return stbi__errpuc("bad BMP", "bad BMP"); - } - } else - return stbi__errpuc("bad BMP", "bad BMP"); - } - } else { - // V4/V5 header - int i; - if (hsz != 108 && hsz != 124) - return stbi__errpuc("bad BMP", "bad BMP"); - info->mr = stbi__get32le(s); - info->mg = stbi__get32le(s); - info->mb = stbi__get32le(s); - info->ma = stbi__get32le(s); - if (compress != 3) // override mr/mg/mb unless in BI_BITFIELDS mode, as per docs - stbi__bmp_set_mask_defaults(info, compress); - stbi__get32le(s); // discard color space - for (i=0; i < 12; ++i) - stbi__get32le(s); // discard color space parameters - if (hsz == 124) { - stbi__get32le(s); // discard rendering intent - stbi__get32le(s); // discard offset of profile data - stbi__get32le(s); // discard size of profile data - stbi__get32le(s); // discard reserved - } - } - } - return (void *) 1; -} - - -static void *stbi__bmp_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri) -{ - stbi_uc *out; - unsigned int mr=0,mg=0,mb=0,ma=0, all_a; - stbi_uc pal[256][4]; - int psize=0,i,j,width; - int flip_vertically, pad, target; - stbi__bmp_data info; - STBI_NOTUSED(ri); - - info.all_a = 255; - if (stbi__bmp_parse_header(s, &info) == NULL) - return NULL; // error code already set - - flip_vertically = ((int) s->img_y) > 0; - s->img_y = abs((int) s->img_y); - - if (s->img_y > STBI_MAX_DIMENSIONS) return stbi__errpuc("too large","Very large image (corrupt?)"); - if (s->img_x > STBI_MAX_DIMENSIONS) return stbi__errpuc("too large","Very large image (corrupt?)"); - - mr = info.mr; - mg = info.mg; - mb = info.mb; - ma = info.ma; - all_a = info.all_a; - - if (info.hsz == 12) { - if (info.bpp < 24) - psize = (info.offset - info.extra_read - 24) / 3; - } else { - if (info.bpp < 16) - psize = (info.offset - info.extra_read - info.hsz) >> 2; - } - if (psize == 0) { - // accept some number of extra bytes after the header, but if the offset points either to before - // the header ends or implies a large amount of extra data, reject the file as malformed - int bytes_read_so_far = s->callback_already_read + (int)(s->img_buffer - s->img_buffer_original); - int header_limit = 1024; // max we actually read is below 256 bytes currently. - int extra_data_limit = 256*4; // what ordinarily goes here is a palette; 256 entries*4 bytes is its max size. - if (bytes_read_so_far <= 0 || bytes_read_so_far > header_limit) { - return stbi__errpuc("bad header", "Corrupt BMP"); - } - // we established that bytes_read_so_far is positive and sensible. - // the first half of this test rejects offsets that are either too small positives, or - // negative, and guarantees that info.offset >= bytes_read_so_far > 0. this in turn - // ensures the number computed in the second half of the test can't overflow. - if (info.offset < bytes_read_so_far || info.offset - bytes_read_so_far > extra_data_limit) { - return stbi__errpuc("bad offset", "Corrupt BMP"); - } else { - stbi__skip(s, info.offset - bytes_read_so_far); - } - } - - if (info.bpp == 24 && ma == 0xff000000) - s->img_n = 3; - else - s->img_n = ma ? 4 : 3; - if (req_comp && req_comp >= 3) // we can directly decode 3 or 4 - target = req_comp; - else - target = s->img_n; // if they want monochrome, we'll post-convert - - // sanity-check size - if (!stbi__mad3sizes_valid(target, s->img_x, s->img_y, 0)) - return stbi__errpuc("too large", "Corrupt BMP"); - - out = (stbi_uc *) stbi__malloc_mad3(target, s->img_x, s->img_y, 0); - if (!out) return stbi__errpuc("outofmem", "Out of memory"); - if (info.bpp < 16) { - int z=0; - if (psize == 0 || psize > 256) { STBI_FREE(out); return stbi__errpuc("invalid", "Corrupt BMP"); } - for (i=0; i < psize; ++i) { - pal[i][2] = stbi__get8(s); - pal[i][1] = stbi__get8(s); - pal[i][0] = stbi__get8(s); - if (info.hsz != 12) stbi__get8(s); - pal[i][3] = 255; - } - stbi__skip(s, info.offset - info.extra_read - info.hsz - psize * (info.hsz == 12 ? 3 : 4)); - if (info.bpp == 1) width = (s->img_x + 7) >> 3; - else if (info.bpp == 4) width = (s->img_x + 1) >> 1; - else if (info.bpp == 8) width = s->img_x; - else { STBI_FREE(out); return stbi__errpuc("bad bpp", "Corrupt BMP"); } - pad = (-width)&3; - if (info.bpp == 1) { - for (j=0; j < (int) s->img_y; ++j) { - int bit_offset = 7, v = stbi__get8(s); - for (i=0; i < (int) s->img_x; ++i) { - int color = (v>>bit_offset)&0x1; - out[z++] = pal[color][0]; - out[z++] = pal[color][1]; - out[z++] = pal[color][2]; - if (target == 4) out[z++] = 255; - if (i+1 == (int) s->img_x) break; - if((--bit_offset) < 0) { - bit_offset = 7; - v = stbi__get8(s); - } - } - stbi__skip(s, pad); - } - } else { - for (j=0; j < (int) s->img_y; ++j) { - for (i=0; i < (int) s->img_x; i += 2) { - int v=stbi__get8(s),v2=0; - if (info.bpp == 4) { - v2 = v & 15; - v >>= 4; - } - out[z++] = pal[v][0]; - out[z++] = pal[v][1]; - out[z++] = pal[v][2]; - if (target == 4) out[z++] = 255; - if (i+1 == (int) s->img_x) break; - v = (info.bpp == 8) ? stbi__get8(s) : v2; - out[z++] = pal[v][0]; - out[z++] = pal[v][1]; - out[z++] = pal[v][2]; - if (target == 4) out[z++] = 255; - } - stbi__skip(s, pad); - } - } - } else { - int rshift=0,gshift=0,bshift=0,ashift=0,rcount=0,gcount=0,bcount=0,acount=0; - int z = 0; - int easy=0; - stbi__skip(s, info.offset - info.extra_read - info.hsz); - if (info.bpp == 24) width = 3 * s->img_x; - else if (info.bpp == 16) width = 2*s->img_x; - else /* bpp = 32 and pad = 0 */ width=0; - pad = (-width) & 3; - if (info.bpp == 24) { - easy = 1; - } else if (info.bpp == 32) { - if (mb == 0xff && mg == 0xff00 && mr == 0x00ff0000 && ma == 0xff000000) - easy = 2; - } - if (!easy) { - if (!mr || !mg || !mb) { STBI_FREE(out); return stbi__errpuc("bad masks", "Corrupt BMP"); } - // right shift amt to put high bit in position #7 - rshift = stbi__high_bit(mr)-7; rcount = stbi__bitcount(mr); - gshift = stbi__high_bit(mg)-7; gcount = stbi__bitcount(mg); - bshift = stbi__high_bit(mb)-7; bcount = stbi__bitcount(mb); - ashift = stbi__high_bit(ma)-7; acount = stbi__bitcount(ma); - if (rcount > 8 || gcount > 8 || bcount > 8 || acount > 8) { STBI_FREE(out); return stbi__errpuc("bad masks", "Corrupt BMP"); } - } - for (j=0; j < (int) s->img_y; ++j) { - if (easy) { - for (i=0; i < (int) s->img_x; ++i) { - unsigned char a; - out[z+2] = stbi__get8(s); - out[z+1] = stbi__get8(s); - out[z+0] = stbi__get8(s); - z += 3; - a = (easy == 2 ? stbi__get8(s) : 255); - all_a |= a; - if (target == 4) out[z++] = a; - } - } else { - int bpp = info.bpp; - for (i=0; i < (int) s->img_x; ++i) { - stbi__uint32 v = (bpp == 16 ? (stbi__uint32) stbi__get16le(s) : stbi__get32le(s)); - unsigned int a; - out[z++] = STBI__BYTECAST(stbi__shiftsigned(v & mr, rshift, rcount)); - out[z++] = STBI__BYTECAST(stbi__shiftsigned(v & mg, gshift, gcount)); - out[z++] = STBI__BYTECAST(stbi__shiftsigned(v & mb, bshift, bcount)); - a = (ma ? stbi__shiftsigned(v & ma, ashift, acount) : 255); - all_a |= a; - if (target == 4) out[z++] = STBI__BYTECAST(a); - } - } - stbi__skip(s, pad); - } - } - - // if alpha channel is all 0s, replace with all 255s - if (target == 4 && all_a == 0) - for (i=4*s->img_x*s->img_y-1; i >= 0; i -= 4) - out[i] = 255; - - if (flip_vertically) { - stbi_uc t; - for (j=0; j < (int) s->img_y>>1; ++j) { - stbi_uc *p1 = out + j *s->img_x*target; - stbi_uc *p2 = out + (s->img_y-1-j)*s->img_x*target; - for (i=0; i < (int) s->img_x*target; ++i) { - t = p1[i]; p1[i] = p2[i]; p2[i] = t; - } - } - } - - if (req_comp && req_comp != target) { - out = stbi__convert_format(out, target, req_comp, s->img_x, s->img_y); - if (out == NULL) return out; // stbi__convert_format frees input on failure - } - - *x = s->img_x; - *y = s->img_y; - if (comp) *comp = s->img_n; - return out; -} -#endif - -// Targa Truevision - TGA -// by Jonathan Dummer -#ifndef STBI_NO_TGA -// returns STBI_rgb or whatever, 0 on error -static int stbi__tga_get_comp(int bits_per_pixel, int is_grey, int* is_rgb16) -{ - // only RGB or RGBA (incl. 16bit) or grey allowed - if (is_rgb16) *is_rgb16 = 0; - switch(bits_per_pixel) { - case 8: return STBI_grey; - case 16: if(is_grey) return STBI_grey_alpha; - // fallthrough - case 15: if(is_rgb16) *is_rgb16 = 1; - return STBI_rgb; - case 24: // fallthrough - case 32: return bits_per_pixel/8; - default: return 0; - } -} - -static int stbi__tga_info(stbi__context *s, int *x, int *y, int *comp) -{ - int tga_w, tga_h, tga_comp, tga_image_type, tga_bits_per_pixel, tga_colormap_bpp; - int sz, tga_colormap_type; - stbi__get8(s); // discard Offset - tga_colormap_type = stbi__get8(s); // colormap type - if( tga_colormap_type > 1 ) { - stbi__rewind(s); - return 0; // only RGB or indexed allowed - } - tga_image_type = stbi__get8(s); // image type - if ( tga_colormap_type == 1 ) { // colormapped (paletted) image - if (tga_image_type != 1 && tga_image_type != 9) { - stbi__rewind(s); - return 0; - } - stbi__skip(s,4); // skip index of first colormap entry and number of entries - sz = stbi__get8(s); // check bits per palette color entry - if ( (sz != 8) && (sz != 15) && (sz != 16) && (sz != 24) && (sz != 32) ) { - stbi__rewind(s); - return 0; - } - stbi__skip(s,4); // skip image x and y origin - tga_colormap_bpp = sz; - } else { // "normal" image w/o colormap - only RGB or grey allowed, +/- RLE - if ( (tga_image_type != 2) && (tga_image_type != 3) && (tga_image_type != 10) && (tga_image_type != 11) ) { - stbi__rewind(s); - return 0; // only RGB or grey allowed, +/- RLE - } - stbi__skip(s,9); // skip colormap specification and image x/y origin - tga_colormap_bpp = 0; - } - tga_w = stbi__get16le(s); - if( tga_w < 1 ) { - stbi__rewind(s); - return 0; // test width - } - tga_h = stbi__get16le(s); - if( tga_h < 1 ) { - stbi__rewind(s); - return 0; // test height - } - tga_bits_per_pixel = stbi__get8(s); // bits per pixel - stbi__get8(s); // ignore alpha bits - if (tga_colormap_bpp != 0) { - if((tga_bits_per_pixel != 8) && (tga_bits_per_pixel != 16)) { - // when using a colormap, tga_bits_per_pixel is the size of the indexes - // I don't think anything but 8 or 16bit indexes makes sense - stbi__rewind(s); - return 0; - } - tga_comp = stbi__tga_get_comp(tga_colormap_bpp, 0, NULL); - } else { - tga_comp = stbi__tga_get_comp(tga_bits_per_pixel, (tga_image_type == 3) || (tga_image_type == 11), NULL); - } - if(!tga_comp) { - stbi__rewind(s); - return 0; - } - if (x) *x = tga_w; - if (y) *y = tga_h; - if (comp) *comp = tga_comp; - return 1; // seems to have passed everything -} - -static int stbi__tga_test(stbi__context *s) -{ - int res = 0; - int sz, tga_color_type; - stbi__get8(s); // discard Offset - tga_color_type = stbi__get8(s); // color type - if ( tga_color_type > 1 ) goto errorEnd; // only RGB or indexed allowed - sz = stbi__get8(s); // image type - if ( tga_color_type == 1 ) { // colormapped (paletted) image - if (sz != 1 && sz != 9) goto errorEnd; // colortype 1 demands image type 1 or 9 - stbi__skip(s,4); // skip index of first colormap entry and number of entries - sz = stbi__get8(s); // check bits per palette color entry - if ( (sz != 8) && (sz != 15) && (sz != 16) && (sz != 24) && (sz != 32) ) goto errorEnd; - stbi__skip(s,4); // skip image x and y origin - } else { // "normal" image w/o colormap - if ( (sz != 2) && (sz != 3) && (sz != 10) && (sz != 11) ) goto errorEnd; // only RGB or grey allowed, +/- RLE - stbi__skip(s,9); // skip colormap specification and image x/y origin - } - if ( stbi__get16le(s) < 1 ) goto errorEnd; // test width - if ( stbi__get16le(s) < 1 ) goto errorEnd; // test height - sz = stbi__get8(s); // bits per pixel - if ( (tga_color_type == 1) && (sz != 8) && (sz != 16) ) goto errorEnd; // for colormapped images, bpp is size of an index - if ( (sz != 8) && (sz != 15) && (sz != 16) && (sz != 24) && (sz != 32) ) goto errorEnd; - - res = 1; // if we got this far, everything's good and we can return 1 instead of 0 - -errorEnd: - stbi__rewind(s); - return res; -} - -// read 16bit value and convert to 24bit RGB -static void stbi__tga_read_rgb16(stbi__context *s, stbi_uc* out) -{ - stbi__uint16 px = (stbi__uint16)stbi__get16le(s); - stbi__uint16 fiveBitMask = 31; - // we have 3 channels with 5bits each - int r = (px >> 10) & fiveBitMask; - int g = (px >> 5) & fiveBitMask; - int b = px & fiveBitMask; - // Note that this saves the data in RGB(A) order, so it doesn't need to be swapped later - out[0] = (stbi_uc)((r * 255)/31); - out[1] = (stbi_uc)((g * 255)/31); - out[2] = (stbi_uc)((b * 255)/31); - - // some people claim that the most significant bit might be used for alpha - // (possibly if an alpha-bit is set in the "image descriptor byte") - // but that only made 16bit test images completely translucent.. - // so let's treat all 15 and 16bit TGAs as RGB with no alpha. -} - -static void *stbi__tga_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri) -{ - // read in the TGA header stuff - int tga_offset = stbi__get8(s); - int tga_indexed = stbi__get8(s); - int tga_image_type = stbi__get8(s); - int tga_is_RLE = 0; - int tga_palette_start = stbi__get16le(s); - int tga_palette_len = stbi__get16le(s); - int tga_palette_bits = stbi__get8(s); - int tga_x_origin = stbi__get16le(s); - int tga_y_origin = stbi__get16le(s); - int tga_width = stbi__get16le(s); - int tga_height = stbi__get16le(s); - int tga_bits_per_pixel = stbi__get8(s); - int tga_comp, tga_rgb16=0; - int tga_inverted = stbi__get8(s); - // int tga_alpha_bits = tga_inverted & 15; // the 4 lowest bits - unused (useless?) - // image data - unsigned char *tga_data; - unsigned char *tga_palette = NULL; - int i, j; - unsigned char raw_data[4] = {0}; - int RLE_count = 0; - int RLE_repeating = 0; - int read_next_pixel = 1; - STBI_NOTUSED(ri); - STBI_NOTUSED(tga_x_origin); // @TODO - STBI_NOTUSED(tga_y_origin); // @TODO - - if (tga_height > STBI_MAX_DIMENSIONS) return stbi__errpuc("too large","Very large image (corrupt?)"); - if (tga_width > STBI_MAX_DIMENSIONS) return stbi__errpuc("too large","Very large image (corrupt?)"); - - // do a tiny bit of precessing - if ( tga_image_type >= 8 ) - { - tga_image_type -= 8; - tga_is_RLE = 1; - } - tga_inverted = 1 - ((tga_inverted >> 5) & 1); - - // If I'm paletted, then I'll use the number of bits from the palette - if ( tga_indexed ) tga_comp = stbi__tga_get_comp(tga_palette_bits, 0, &tga_rgb16); - else tga_comp = stbi__tga_get_comp(tga_bits_per_pixel, (tga_image_type == 3), &tga_rgb16); - - if(!tga_comp) // shouldn't really happen, stbi__tga_test() should have ensured basic consistency - return stbi__errpuc("bad format", "Can't find out TGA pixelformat"); - - // tga info - *x = tga_width; - *y = tga_height; - if (comp) *comp = tga_comp; - - if (!stbi__mad3sizes_valid(tga_width, tga_height, tga_comp, 0)) - return stbi__errpuc("too large", "Corrupt TGA"); - - tga_data = (unsigned char*)stbi__malloc_mad3(tga_width, tga_height, tga_comp, 0); - if (!tga_data) return stbi__errpuc("outofmem", "Out of memory"); - - // skip to the data's starting position (offset usually = 0) - stbi__skip(s, tga_offset ); - - if ( !tga_indexed && !tga_is_RLE && !tga_rgb16 ) { - for (i=0; i < tga_height; ++i) { - int row = tga_inverted ? tga_height -i - 1 : i; - stbi_uc *tga_row = tga_data + row*tga_width*tga_comp; - stbi__getn(s, tga_row, tga_width * tga_comp); - } - } else { - // do I need to load a palette? - if ( tga_indexed) - { - if (tga_palette_len == 0) { /* you have to have at least one entry! */ - STBI_FREE(tga_data); - return stbi__errpuc("bad palette", "Corrupt TGA"); - } - - // any data to skip? (offset usually = 0) - stbi__skip(s, tga_palette_start ); - // load the palette - tga_palette = (unsigned char*)stbi__malloc_mad2(tga_palette_len, tga_comp, 0); - if (!tga_palette) { - STBI_FREE(tga_data); - return stbi__errpuc("outofmem", "Out of memory"); - } - if (tga_rgb16) { - stbi_uc *pal_entry = tga_palette; - STBI_ASSERT(tga_comp == STBI_rgb); - for (i=0; i < tga_palette_len; ++i) { - stbi__tga_read_rgb16(s, pal_entry); - pal_entry += tga_comp; - } - } else if (!stbi__getn(s, tga_palette, tga_palette_len * tga_comp)) { - STBI_FREE(tga_data); - STBI_FREE(tga_palette); - return stbi__errpuc("bad palette", "Corrupt TGA"); - } - } - // load the data - for (i=0; i < tga_width * tga_height; ++i) - { - // if I'm in RLE mode, do I need to get a RLE stbi__pngchunk? - if ( tga_is_RLE ) - { - if ( RLE_count == 0 ) - { - // yep, get the next byte as a RLE command - int RLE_cmd = stbi__get8(s); - RLE_count = 1 + (RLE_cmd & 127); - RLE_repeating = RLE_cmd >> 7; - read_next_pixel = 1; - } else if ( !RLE_repeating ) - { - read_next_pixel = 1; - } - } else - { - read_next_pixel = 1; - } - // OK, if I need to read a pixel, do it now - if ( read_next_pixel ) - { - // load however much data we did have - if ( tga_indexed ) - { - // read in index, then perform the lookup - int pal_idx = (tga_bits_per_pixel == 8) ? stbi__get8(s) : stbi__get16le(s); - if ( pal_idx >= tga_palette_len ) { - // invalid index - pal_idx = 0; - } - pal_idx *= tga_comp; - for (j = 0; j < tga_comp; ++j) { - raw_data[j] = tga_palette[pal_idx+j]; - } - } else if(tga_rgb16) { - STBI_ASSERT(tga_comp == STBI_rgb); - stbi__tga_read_rgb16(s, raw_data); - } else { - // read in the data raw - for (j = 0; j < tga_comp; ++j) { - raw_data[j] = stbi__get8(s); - } - } - // clear the reading flag for the next pixel - read_next_pixel = 0; - } // end of reading a pixel - - // copy data - for (j = 0; j < tga_comp; ++j) - tga_data[i*tga_comp+j] = raw_data[j]; - - // in case we're in RLE mode, keep counting down - --RLE_count; - } - // do I need to invert the image? - if ( tga_inverted ) - { - for (j = 0; j*2 < tga_height; ++j) - { - int index1 = j * tga_width * tga_comp; - int index2 = (tga_height - 1 - j) * tga_width * tga_comp; - for (i = tga_width * tga_comp; i > 0; --i) - { - unsigned char temp = tga_data[index1]; - tga_data[index1] = tga_data[index2]; - tga_data[index2] = temp; - ++index1; - ++index2; - } - } - } - // clear my palette, if I had one - if ( tga_palette != NULL ) - { - STBI_FREE( tga_palette ); - } - } - - // swap RGB - if the source data was RGB16, it already is in the right order - if (tga_comp >= 3 && !tga_rgb16) - { - unsigned char* tga_pixel = tga_data; - for (i=0; i < tga_width * tga_height; ++i) - { - unsigned char temp = tga_pixel[0]; - tga_pixel[0] = tga_pixel[2]; - tga_pixel[2] = temp; - tga_pixel += tga_comp; - } - } - - // convert to target component count - if (req_comp && req_comp != tga_comp) - tga_data = stbi__convert_format(tga_data, tga_comp, req_comp, tga_width, tga_height); - - // the things I do to get rid of an error message, and yet keep - // Microsoft's C compilers happy... [8^( - tga_palette_start = tga_palette_len = tga_palette_bits = - tga_x_origin = tga_y_origin = 0; - STBI_NOTUSED(tga_palette_start); - // OK, done - return tga_data; -} -#endif - -// ************************************************************************************************* -// Photoshop PSD loader -- PD by Thatcher Ulrich, integration by Nicolas Schulz, tweaked by STB - -#ifndef STBI_NO_PSD -static int stbi__psd_test(stbi__context *s) -{ - int r = (stbi__get32be(s) == 0x38425053); - stbi__rewind(s); - return r; -} - -static int stbi__psd_decode_rle(stbi__context *s, stbi_uc *p, int pixelCount) -{ - int count, nleft, len; - - count = 0; - while ((nleft = pixelCount - count) > 0) { - len = stbi__get8(s); - if (len == 128) { - // No-op. - } else if (len < 128) { - // Copy next len+1 bytes literally. - len++; - if (len > nleft) return 0; // corrupt data - count += len; - while (len) { - *p = stbi__get8(s); - p += 4; - len--; - } - } else if (len > 128) { - stbi_uc val; - // Next -len+1 bytes in the dest are replicated from next source byte. - // (Interpret len as a negative 8-bit int.) - len = 257 - len; - if (len > nleft) return 0; // corrupt data - val = stbi__get8(s); - count += len; - while (len) { - *p = val; - p += 4; - len--; - } - } - } - - return 1; -} - -static void *stbi__psd_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri, int bpc) -{ - int pixelCount; - int channelCount, compression; - int channel, i; - int bitdepth; - int w,h; - stbi_uc *out; - STBI_NOTUSED(ri); - - // Check identifier - if (stbi__get32be(s) != 0x38425053) // "8BPS" - return stbi__errpuc("not PSD", "Corrupt PSD image"); - - // Check file type version. - if (stbi__get16be(s) != 1) - return stbi__errpuc("wrong version", "Unsupported version of PSD image"); - - // Skip 6 reserved bytes. - stbi__skip(s, 6 ); - - // Read the number of channels (R, G, B, A, etc). - channelCount = stbi__get16be(s); - if (channelCount < 0 || channelCount > 16) - return stbi__errpuc("wrong channel count", "Unsupported number of channels in PSD image"); - - // Read the rows and columns of the image. - h = stbi__get32be(s); - w = stbi__get32be(s); - - if (h > STBI_MAX_DIMENSIONS) return stbi__errpuc("too large","Very large image (corrupt?)"); - if (w > STBI_MAX_DIMENSIONS) return stbi__errpuc("too large","Very large image (corrupt?)"); - - // Make sure the depth is 8 bits. - bitdepth = stbi__get16be(s); - if (bitdepth != 8 && bitdepth != 16) - return stbi__errpuc("unsupported bit depth", "PSD bit depth is not 8 or 16 bit"); - - // Make sure the color mode is RGB. - // Valid options are: - // 0: Bitmap - // 1: Grayscale - // 2: Indexed color - // 3: RGB color - // 4: CMYK color - // 7: Multichannel - // 8: Duotone - // 9: Lab color - if (stbi__get16be(s) != 3) - return stbi__errpuc("wrong color format", "PSD is not in RGB color format"); - - // Skip the Mode Data. (It's the palette for indexed color; other info for other modes.) - stbi__skip(s,stbi__get32be(s) ); - - // Skip the image resources. (resolution, pen tool paths, etc) - stbi__skip(s, stbi__get32be(s) ); - - // Skip the reserved data. - stbi__skip(s, stbi__get32be(s) ); - - // Find out if the data is compressed. - // Known values: - // 0: no compression - // 1: RLE compressed - compression = stbi__get16be(s); - if (compression > 1) - return stbi__errpuc("bad compression", "PSD has an unknown compression format"); - - // Check size - if (!stbi__mad3sizes_valid(4, w, h, 0)) - return stbi__errpuc("too large", "Corrupt PSD"); - - // Create the destination image. - - if (!compression && bitdepth == 16 && bpc == 16) { - out = (stbi_uc *) stbi__malloc_mad3(8, w, h, 0); - ri->bits_per_channel = 16; - } else - out = (stbi_uc *) stbi__malloc(4 * w*h); - - if (!out) return stbi__errpuc("outofmem", "Out of memory"); - pixelCount = w*h; - - // Initialize the data to zero. - //memset( out, 0, pixelCount * 4 ); - - // Finally, the image data. - if (compression) { - // RLE as used by .PSD and .TIFF - // Loop until you get the number of unpacked bytes you are expecting: - // Read the next source byte into n. - // If n is between 0 and 127 inclusive, copy the next n+1 bytes literally. - // Else if n is between -127 and -1 inclusive, copy the next byte -n+1 times. - // Else if n is 128, noop. - // Endloop - - // The RLE-compressed data is preceded by a 2-byte data count for each row in the data, - // which we're going to just skip. - stbi__skip(s, h * channelCount * 2 ); - - // Read the RLE data by channel. - for (channel = 0; channel < 4; channel++) { - stbi_uc *p; - - p = out+channel; - if (channel >= channelCount) { - // Fill this channel with default data. - for (i = 0; i < pixelCount; i++, p += 4) - *p = (channel == 3 ? 255 : 0); - } else { - // Read the RLE data. - if (!stbi__psd_decode_rle(s, p, pixelCount)) { - STBI_FREE(out); - return stbi__errpuc("corrupt", "bad RLE data"); - } - } - } - - } else { - // We're at the raw image data. It's each channel in order (Red, Green, Blue, Alpha, ...) - // where each channel consists of an 8-bit (or 16-bit) value for each pixel in the image. - - // Read the data by channel. - for (channel = 0; channel < 4; channel++) { - if (channel >= channelCount) { - // Fill this channel with default data. - if (bitdepth == 16 && bpc == 16) { - stbi__uint16 *q = ((stbi__uint16 *) out) + channel; - stbi__uint16 val = channel == 3 ? 65535 : 0; - for (i = 0; i < pixelCount; i++, q += 4) - *q = val; - } else { - stbi_uc *p = out+channel; - stbi_uc val = channel == 3 ? 255 : 0; - for (i = 0; i < pixelCount; i++, p += 4) - *p = val; - } - } else { - if (ri->bits_per_channel == 16) { // output bpc - stbi__uint16 *q = ((stbi__uint16 *) out) + channel; - for (i = 0; i < pixelCount; i++, q += 4) - *q = (stbi__uint16) stbi__get16be(s); - } else { - stbi_uc *p = out+channel; - if (bitdepth == 16) { // input bpc - for (i = 0; i < pixelCount; i++, p += 4) - *p = (stbi_uc) (stbi__get16be(s) >> 8); - } else { - for (i = 0; i < pixelCount; i++, p += 4) - *p = stbi__get8(s); - } - } - } - } - } - - // remove weird white matte from PSD - if (channelCount >= 4) { - if (ri->bits_per_channel == 16) { - for (i=0; i < w*h; ++i) { - stbi__uint16 *pixel = (stbi__uint16 *) out + 4*i; - if (pixel[3] != 0 && pixel[3] != 65535) { - float a = pixel[3] / 65535.0f; - float ra = 1.0f / a; - float inv_a = 65535.0f * (1 - ra); - pixel[0] = (stbi__uint16) (pixel[0]*ra + inv_a); - pixel[1] = (stbi__uint16) (pixel[1]*ra + inv_a); - pixel[2] = (stbi__uint16) (pixel[2]*ra + inv_a); - } - } - } else { - for (i=0; i < w*h; ++i) { - unsigned char *pixel = out + 4*i; - if (pixel[3] != 0 && pixel[3] != 255) { - float a = pixel[3] / 255.0f; - float ra = 1.0f / a; - float inv_a = 255.0f * (1 - ra); - pixel[0] = (unsigned char) (pixel[0]*ra + inv_a); - pixel[1] = (unsigned char) (pixel[1]*ra + inv_a); - pixel[2] = (unsigned char) (pixel[2]*ra + inv_a); - } - } - } - } - - // convert to desired output format - if (req_comp && req_comp != 4) { - if (ri->bits_per_channel == 16) - out = (stbi_uc *) stbi__convert_format16((stbi__uint16 *) out, 4, req_comp, w, h); - else - out = stbi__convert_format(out, 4, req_comp, w, h); - if (out == NULL) return out; // stbi__convert_format frees input on failure - } - - if (comp) *comp = 4; - *y = h; - *x = w; - - return out; -} -#endif - -// ************************************************************************************************* -// Softimage PIC loader -// by Tom Seddon -// -// See http://softimage.wiki.softimage.com/index.php/INFO:_PIC_file_format -// See http://ozviz.wasp.uwa.edu.au/~pbourke/dataformats/softimagepic/ - -#ifndef STBI_NO_PIC -static int stbi__pic_is4(stbi__context *s,const char *str) -{ - int i; - for (i=0; i<4; ++i) - if (stbi__get8(s) != (stbi_uc)str[i]) - return 0; - - return 1; -} - -static int stbi__pic_test_core(stbi__context *s) -{ - int i; - - if (!stbi__pic_is4(s,"\x53\x80\xF6\x34")) - return 0; - - for(i=0;i<84;++i) - stbi__get8(s); - - if (!stbi__pic_is4(s,"PICT")) - return 0; - - return 1; -} - -typedef struct -{ - stbi_uc size,type,channel; -} stbi__pic_packet; - -static stbi_uc *stbi__readval(stbi__context *s, int channel, stbi_uc *dest) -{ - int mask=0x80, i; - - for (i=0; i<4; ++i, mask>>=1) { - if (channel & mask) { - if (stbi__at_eof(s)) return stbi__errpuc("bad file","PIC file too short"); - dest[i]=stbi__get8(s); - } - } - - return dest; -} - -static void stbi__copyval(int channel,stbi_uc *dest,const stbi_uc *src) -{ - int mask=0x80,i; - - for (i=0;i<4; ++i, mask>>=1) - if (channel&mask) - dest[i]=src[i]; -} - -static stbi_uc *stbi__pic_load_core(stbi__context *s,int width,int height,int *comp, stbi_uc *result) -{ - int act_comp=0,num_packets=0,y,chained; - stbi__pic_packet packets[10]; - - // this will (should...) cater for even some bizarre stuff like having data - // for the same channel in multiple packets. - do { - stbi__pic_packet *packet; - - if (num_packets==sizeof(packets)/sizeof(packets[0])) - return stbi__errpuc("bad format","too many packets"); - - packet = &packets[num_packets++]; - - chained = stbi__get8(s); - packet->size = stbi__get8(s); - packet->type = stbi__get8(s); - packet->channel = stbi__get8(s); - - act_comp |= packet->channel; - - if (stbi__at_eof(s)) return stbi__errpuc("bad file","file too short (reading packets)"); - if (packet->size != 8) return stbi__errpuc("bad format","packet isn't 8bpp"); - } while (chained); - - *comp = (act_comp & 0x10 ? 4 : 3); // has alpha channel? - - for(y=0; y<height; ++y) { - int packet_idx; - - for(packet_idx=0; packet_idx < num_packets; ++packet_idx) { - stbi__pic_packet *packet = &packets[packet_idx]; - stbi_uc *dest = result+y*width*4; - - switch (packet->type) { - default: - return stbi__errpuc("bad format","packet has bad compression type"); - - case 0: {//uncompressed - int x; - - for(x=0;x<width;++x, dest+=4) - if (!stbi__readval(s,packet->channel,dest)) - return 0; - break; - } - - case 1://Pure RLE - { - int left=width, i; - - while (left>0) { - stbi_uc count,value[4]; - - count=stbi__get8(s); - if (stbi__at_eof(s)) return stbi__errpuc("bad file","file too short (pure read count)"); - - if (count > left) - count = (stbi_uc) left; - - if (!stbi__readval(s,packet->channel,value)) return 0; - - for(i=0; i<count; ++i,dest+=4) - stbi__copyval(packet->channel,dest,value); - left -= count; - } - } - break; - - case 2: {//Mixed RLE - int left=width; - while (left>0) { - int count = stbi__get8(s), i; - if (stbi__at_eof(s)) return stbi__errpuc("bad file","file too short (mixed read count)"); - - if (count >= 128) { // Repeated - stbi_uc value[4]; - - if (count==128) - count = stbi__get16be(s); - else - count -= 127; - if (count > left) - return stbi__errpuc("bad file","scanline overrun"); - - if (!stbi__readval(s,packet->channel,value)) - return 0; - - for(i=0;i<count;++i, dest += 4) - stbi__copyval(packet->channel,dest,value); - } else { // Raw - ++count; - if (count>left) return stbi__errpuc("bad file","scanline overrun"); - - for(i=0;i<count;++i, dest+=4) - if (!stbi__readval(s,packet->channel,dest)) - return 0; - } - left-=count; - } - break; - } - } - } - } - - return result; -} - -static void *stbi__pic_load(stbi__context *s,int *px,int *py,int *comp,int req_comp, stbi__result_info *ri) -{ - stbi_uc *result; - int i, x,y, internal_comp; - STBI_NOTUSED(ri); - - if (!comp) comp = &internal_comp; - - for (i=0; i<92; ++i) - stbi__get8(s); - - x = stbi__get16be(s); - y = stbi__get16be(s); - - if (y > STBI_MAX_DIMENSIONS) return stbi__errpuc("too large","Very large image (corrupt?)"); - if (x > STBI_MAX_DIMENSIONS) return stbi__errpuc("too large","Very large image (corrupt?)"); - - if (stbi__at_eof(s)) return stbi__errpuc("bad file","file too short (pic header)"); - if (!stbi__mad3sizes_valid(x, y, 4, 0)) return stbi__errpuc("too large", "PIC image too large to decode"); - - stbi__get32be(s); //skip `ratio' - stbi__get16be(s); //skip `fields' - stbi__get16be(s); //skip `pad' - - // intermediate buffer is RGBA - result = (stbi_uc *) stbi__malloc_mad3(x, y, 4, 0); - if (!result) return stbi__errpuc("outofmem", "Out of memory"); - memset(result, 0xff, x*y*4); - - if (!stbi__pic_load_core(s,x,y,comp, result)) { - STBI_FREE(result); - result=0; - } - *px = x; - *py = y; - if (req_comp == 0) req_comp = *comp; - result=stbi__convert_format(result,4,req_comp,x,y); - - return result; -} - -static int stbi__pic_test(stbi__context *s) -{ - int r = stbi__pic_test_core(s); - stbi__rewind(s); - return r; -} -#endif - -// ************************************************************************************************* -// GIF loader -- public domain by Jean-Marc Lienher -- simplified/shrunk by stb - -#ifndef STBI_NO_GIF -typedef struct -{ - stbi__int16 prefix; - stbi_uc first; - stbi_uc suffix; -} stbi__gif_lzw; - -typedef struct -{ - int w,h; - stbi_uc *out; // output buffer (always 4 components) - stbi_uc *background; // The current "background" as far as a gif is concerned - stbi_uc *history; - int flags, bgindex, ratio, transparent, eflags; - stbi_uc pal[256][4]; - stbi_uc lpal[256][4]; - stbi__gif_lzw codes[8192]; - stbi_uc *color_table; - int parse, step; - int lflags; - int start_x, start_y; - int max_x, max_y; - int cur_x, cur_y; - int line_size; - int delay; -} stbi__gif; - -static int stbi__gif_test_raw(stbi__context *s) -{ - int sz; - if (stbi__get8(s) != 'G' || stbi__get8(s) != 'I' || stbi__get8(s) != 'F' || stbi__get8(s) != '8') return 0; - sz = stbi__get8(s); - if (sz != '9' && sz != '7') return 0; - if (stbi__get8(s) != 'a') return 0; - return 1; -} - -static int stbi__gif_test(stbi__context *s) -{ - int r = stbi__gif_test_raw(s); - stbi__rewind(s); - return r; -} - -static void stbi__gif_parse_colortable(stbi__context *s, stbi_uc pal[256][4], int num_entries, int transp) -{ - int i; - for (i=0; i < num_entries; ++i) { - pal[i][2] = stbi__get8(s); - pal[i][1] = stbi__get8(s); - pal[i][0] = stbi__get8(s); - pal[i][3] = transp == i ? 0 : 255; - } -} - -static int stbi__gif_header(stbi__context *s, stbi__gif *g, int *comp, int is_info) -{ - stbi_uc version; - if (stbi__get8(s) != 'G' || stbi__get8(s) != 'I' || stbi__get8(s) != 'F' || stbi__get8(s) != '8') - return stbi__err("not GIF", "Corrupt GIF"); - - version = stbi__get8(s); - if (version != '7' && version != '9') return stbi__err("not GIF", "Corrupt GIF"); - if (stbi__get8(s) != 'a') return stbi__err("not GIF", "Corrupt GIF"); - - stbi__g_failure_reason = ""; - g->w = stbi__get16le(s); - g->h = stbi__get16le(s); - g->flags = stbi__get8(s); - g->bgindex = stbi__get8(s); - g->ratio = stbi__get8(s); - g->transparent = -1; - - if (g->w > STBI_MAX_DIMENSIONS) return stbi__err("too large","Very large image (corrupt?)"); - if (g->h > STBI_MAX_DIMENSIONS) return stbi__err("too large","Very large image (corrupt?)"); - - if (comp != 0) *comp = 4; // can't actually tell whether it's 3 or 4 until we parse the comments - - if (is_info) return 1; - - if (g->flags & 0x80) - stbi__gif_parse_colortable(s,g->pal, 2 << (g->flags & 7), -1); - - return 1; -} - -static int stbi__gif_info_raw(stbi__context *s, int *x, int *y, int *comp) -{ - stbi__gif* g = (stbi__gif*) stbi__malloc(sizeof(stbi__gif)); - if (!g) return stbi__err("outofmem", "Out of memory"); - if (!stbi__gif_header(s, g, comp, 1)) { - STBI_FREE(g); - stbi__rewind( s ); - return 0; - } - if (x) *x = g->w; - if (y) *y = g->h; - STBI_FREE(g); - return 1; -} - -static void stbi__out_gif_code(stbi__gif *g, stbi__uint16 code) -{ - stbi_uc *p, *c; - int idx; - - // recurse to decode the prefixes, since the linked-list is backwards, - // and working backwards through an interleaved image would be nasty - if (g->codes[code].prefix >= 0) - stbi__out_gif_code(g, g->codes[code].prefix); - - if (g->cur_y >= g->max_y) return; - - idx = g->cur_x + g->cur_y; - p = &g->out[idx]; - g->history[idx / 4] = 1; - - c = &g->color_table[g->codes[code].suffix * 4]; - if (c[3] > 128) { // don't render transparent pixels; - p[0] = c[2]; - p[1] = c[1]; - p[2] = c[0]; - p[3] = c[3]; - } - g->cur_x += 4; - - if (g->cur_x >= g->max_x) { - g->cur_x = g->start_x; - g->cur_y += g->step; - - while (g->cur_y >= g->max_y && g->parse > 0) { - g->step = (1 << g->parse) * g->line_size; - g->cur_y = g->start_y + (g->step >> 1); - --g->parse; - } - } -} - -static stbi_uc *stbi__process_gif_raster(stbi__context *s, stbi__gif *g) -{ - stbi_uc lzw_cs; - stbi__int32 len, init_code; - stbi__uint32 first; - stbi__int32 codesize, codemask, avail, oldcode, bits, valid_bits, clear; - stbi__gif_lzw *p; - - lzw_cs = stbi__get8(s); - if (lzw_cs > 12) return NULL; - clear = 1 << lzw_cs; - first = 1; - codesize = lzw_cs + 1; - codemask = (1 << codesize) - 1; - bits = 0; - valid_bits = 0; - for (init_code = 0; init_code < clear; init_code++) { - g->codes[init_code].prefix = -1; - g->codes[init_code].first = (stbi_uc) init_code; - g->codes[init_code].suffix = (stbi_uc) init_code; - } - - // support no starting clear code - avail = clear+2; - oldcode = -1; - - len = 0; - for(;;) { - if (valid_bits < codesize) { - if (len == 0) { - len = stbi__get8(s); // start new block - if (len == 0) - return g->out; - } - --len; - bits |= (stbi__int32) stbi__get8(s) << valid_bits; - valid_bits += 8; - } else { - stbi__int32 code = bits & codemask; - bits >>= codesize; - valid_bits -= codesize; - // @OPTIMIZE: is there some way we can accelerate the non-clear path? - if (code == clear) { // clear code - codesize = lzw_cs + 1; - codemask = (1 << codesize) - 1; - avail = clear + 2; - oldcode = -1; - first = 0; - } else if (code == clear + 1) { // end of stream code - stbi__skip(s, len); - while ((len = stbi__get8(s)) > 0) - stbi__skip(s,len); - return g->out; - } else if (code <= avail) { - if (first) { - return stbi__errpuc("no clear code", "Corrupt GIF"); - } - - if (oldcode >= 0) { - p = &g->codes[avail++]; - if (avail > 8192) { - return stbi__errpuc("too many codes", "Corrupt GIF"); - } - - p->prefix = (stbi__int16) oldcode; - p->first = g->codes[oldcode].first; - p->suffix = (code == avail) ? p->first : g->codes[code].first; - } else if (code == avail) - return stbi__errpuc("illegal code in raster", "Corrupt GIF"); - - stbi__out_gif_code(g, (stbi__uint16) code); - - if ((avail & codemask) == 0 && avail <= 0x0FFF) { - codesize++; - codemask = (1 << codesize) - 1; - } - - oldcode = code; - } else { - return stbi__errpuc("illegal code in raster", "Corrupt GIF"); - } - } - } -} - -// this function is designed to support animated gifs, although stb_image doesn't support it -// two back is the image from two frames ago, used for a very specific disposal format -static stbi_uc *stbi__gif_load_next(stbi__context *s, stbi__gif *g, int *comp, int req_comp, stbi_uc *two_back) -{ - int dispose; - int first_frame; - int pi; - int pcount; - STBI_NOTUSED(req_comp); - - // on first frame, any non-written pixels get the background colour (non-transparent) - first_frame = 0; - if (g->out == 0) { - if (!stbi__gif_header(s, g, comp,0)) return 0; // stbi__g_failure_reason set by stbi__gif_header - if (!stbi__mad3sizes_valid(4, g->w, g->h, 0)) - return stbi__errpuc("too large", "GIF image is too large"); - pcount = g->w * g->h; - g->out = (stbi_uc *) stbi__malloc(4 * pcount); - g->background = (stbi_uc *) stbi__malloc(4 * pcount); - g->history = (stbi_uc *) stbi__malloc(pcount); - if (!g->out || !g->background || !g->history) - return stbi__errpuc("outofmem", "Out of memory"); - - // image is treated as "transparent" at the start - ie, nothing overwrites the current background; - // background colour is only used for pixels that are not rendered first frame, after that "background" - // color refers to the color that was there the previous frame. - memset(g->out, 0x00, 4 * pcount); - memset(g->background, 0x00, 4 * pcount); // state of the background (starts transparent) - memset(g->history, 0x00, pcount); // pixels that were affected previous frame - first_frame = 1; - } else { - // second frame - how do we dispose of the previous one? - dispose = (g->eflags & 0x1C) >> 2; - pcount = g->w * g->h; - - if ((dispose == 3) && (two_back == 0)) { - dispose = 2; // if I don't have an image to revert back to, default to the old background - } - - if (dispose == 3) { // use previous graphic - for (pi = 0; pi < pcount; ++pi) { - if (g->history[pi]) { - memcpy( &g->out[pi * 4], &two_back[pi * 4], 4 ); - } - } - } else if (dispose == 2) { - // restore what was changed last frame to background before that frame; - for (pi = 0; pi < pcount; ++pi) { - if (g->history[pi]) { - memcpy( &g->out[pi * 4], &g->background[pi * 4], 4 ); - } - } - } else { - // This is a non-disposal case eithe way, so just - // leave the pixels as is, and they will become the new background - // 1: do not dispose - // 0: not specified. - } - - // background is what out is after the undoing of the previou frame; - memcpy( g->background, g->out, 4 * g->w * g->h ); - } - - // clear my history; - memset( g->history, 0x00, g->w * g->h ); // pixels that were affected previous frame - - for (;;) { - int tag = stbi__get8(s); - switch (tag) { - case 0x2C: /* Image Descriptor */ - { - stbi__int32 x, y, w, h; - stbi_uc *o; - - x = stbi__get16le(s); - y = stbi__get16le(s); - w = stbi__get16le(s); - h = stbi__get16le(s); - if (((x + w) > (g->w)) || ((y + h) > (g->h))) - return stbi__errpuc("bad Image Descriptor", "Corrupt GIF"); - - g->line_size = g->w * 4; - g->start_x = x * 4; - g->start_y = y * g->line_size; - g->max_x = g->start_x + w * 4; - g->max_y = g->start_y + h * g->line_size; - g->cur_x = g->start_x; - g->cur_y = g->start_y; - - // if the width of the specified rectangle is 0, that means - // we may not see *any* pixels or the image is malformed; - // to make sure this is caught, move the current y down to - // max_y (which is what out_gif_code checks). - if (w == 0) - g->cur_y = g->max_y; - - g->lflags = stbi__get8(s); - - if (g->lflags & 0x40) { - g->step = 8 * g->line_size; // first interlaced spacing - g->parse = 3; - } else { - g->step = g->line_size; - g->parse = 0; - } - - if (g->lflags & 0x80) { - stbi__gif_parse_colortable(s,g->lpal, 2 << (g->lflags & 7), g->eflags & 0x01 ? g->transparent : -1); - g->color_table = (stbi_uc *) g->lpal; - } else if (g->flags & 0x80) { - g->color_table = (stbi_uc *) g->pal; - } else - return stbi__errpuc("missing color table", "Corrupt GIF"); - - o = stbi__process_gif_raster(s, g); - if (!o) return NULL; - - // if this was the first frame, - pcount = g->w * g->h; - if (first_frame && (g->bgindex > 0)) { - // if first frame, any pixel not drawn to gets the background color - for (pi = 0; pi < pcount; ++pi) { - if (g->history[pi] == 0) { - g->pal[g->bgindex][3] = 255; // just in case it was made transparent, undo that; It will be reset next frame if need be; - memcpy( &g->out[pi * 4], &g->pal[g->bgindex], 4 ); - } - } - } - - return o; - } - - case 0x21: // Comment Extension. - { - int len; - int ext = stbi__get8(s); - if (ext == 0xF9) { // Graphic Control Extension. - len = stbi__get8(s); - if (len == 4) { - g->eflags = stbi__get8(s); - g->delay = 10 * stbi__get16le(s); // delay - 1/100th of a second, saving as 1/1000ths. - - // unset old transparent - if (g->transparent >= 0) { - g->pal[g->transparent][3] = 255; - } - if (g->eflags & 0x01) { - g->transparent = stbi__get8(s); - if (g->transparent >= 0) { - g->pal[g->transparent][3] = 0; - } - } else { - // don't need transparent - stbi__skip(s, 1); - g->transparent = -1; - } - } else { - stbi__skip(s, len); - break; - } - } - while ((len = stbi__get8(s)) != 0) { - stbi__skip(s, len); - } - break; - } - - case 0x3B: // gif stream termination code - return (stbi_uc *) s; // using '1' causes warning on some compilers - - default: - return stbi__errpuc("unknown code", "Corrupt GIF"); - } - } -} - -static void *stbi__load_gif_main_outofmem(stbi__gif *g, stbi_uc *out, int **delays) -{ - STBI_FREE(g->out); - STBI_FREE(g->history); - STBI_FREE(g->background); - - if (out) STBI_FREE(out); - if (delays && *delays) STBI_FREE(*delays); - return stbi__errpuc("outofmem", "Out of memory"); -} - -static void *stbi__load_gif_main(stbi__context *s, int **delays, int *x, int *y, int *z, int *comp, int req_comp) -{ - if (stbi__gif_test(s)) { - int layers = 0; - stbi_uc *u = 0; - stbi_uc *out = 0; - stbi_uc *two_back = 0; - stbi__gif g; - int stride; - int out_size = 0; - int delays_size = 0; - - STBI_NOTUSED(out_size); - STBI_NOTUSED(delays_size); - - memset(&g, 0, sizeof(g)); - if (delays) { - *delays = 0; - } - - do { - u = stbi__gif_load_next(s, &g, comp, req_comp, two_back); - if (u == (stbi_uc *) s) u = 0; // end of animated gif marker - - if (u) { - *x = g.w; - *y = g.h; - ++layers; - stride = g.w * g.h * 4; - - if (out) { - void *tmp = (stbi_uc*) STBI_REALLOC_SIZED( out, out_size, layers * stride ); - if (!tmp) - return stbi__load_gif_main_outofmem(&g, out, delays); - else { - out = (stbi_uc*) tmp; - out_size = layers * stride; - } - - if (delays) { - int *new_delays = (int*) STBI_REALLOC_SIZED( *delays, delays_size, sizeof(int) * layers ); - if (!new_delays) - return stbi__load_gif_main_outofmem(&g, out, delays); - *delays = new_delays; - delays_size = layers * sizeof(int); - } - } else { - out = (stbi_uc*)stbi__malloc( layers * stride ); - if (!out) - return stbi__load_gif_main_outofmem(&g, out, delays); - out_size = layers * stride; - if (delays) { - *delays = (int*) stbi__malloc( layers * sizeof(int) ); - if (!*delays) - return stbi__load_gif_main_outofmem(&g, out, delays); - delays_size = layers * sizeof(int); - } - } - memcpy( out + ((layers - 1) * stride), u, stride ); - if (layers >= 2) { - two_back = out - 2 * stride; - } - - if (delays) { - (*delays)[layers - 1U] = g.delay; - } - } - } while (u != 0); - - // free temp buffer; - STBI_FREE(g.out); - STBI_FREE(g.history); - STBI_FREE(g.background); - - // do the final conversion after loading everything; - if (req_comp && req_comp != 4) - out = stbi__convert_format(out, 4, req_comp, layers * g.w, g.h); - - *z = layers; - return out; - } else { - return stbi__errpuc("not GIF", "Image was not as a gif type."); - } -} - -static void *stbi__gif_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri) -{ - stbi_uc *u = 0; - stbi__gif g; - memset(&g, 0, sizeof(g)); - STBI_NOTUSED(ri); - - u = stbi__gif_load_next(s, &g, comp, req_comp, 0); - if (u == (stbi_uc *) s) u = 0; // end of animated gif marker - if (u) { - *x = g.w; - *y = g.h; - - // moved conversion to after successful load so that the same - // can be done for multiple frames. - if (req_comp && req_comp != 4) - u = stbi__convert_format(u, 4, req_comp, g.w, g.h); - } else if (g.out) { - // if there was an error and we allocated an image buffer, free it! - STBI_FREE(g.out); - } - - // free buffers needed for multiple frame loading; - STBI_FREE(g.history); - STBI_FREE(g.background); - - return u; -} - -static int stbi__gif_info(stbi__context *s, int *x, int *y, int *comp) -{ - return stbi__gif_info_raw(s,x,y,comp); -} -#endif - -// ************************************************************************************************* -// Radiance RGBE HDR loader -// originally by Nicolas Schulz -#ifndef STBI_NO_HDR -static int stbi__hdr_test_core(stbi__context *s, const char *signature) -{ - int i; - for (i=0; signature[i]; ++i) - if (stbi__get8(s) != signature[i]) - return 0; - stbi__rewind(s); - return 1; -} - -static int stbi__hdr_test(stbi__context* s) -{ - int r = stbi__hdr_test_core(s, "#?RADIANCE\n"); - stbi__rewind(s); - if(!r) { - r = stbi__hdr_test_core(s, "#?RGBE\n"); - stbi__rewind(s); - } - return r; -} - -#define STBI__HDR_BUFLEN 1024 -static char *stbi__hdr_gettoken(stbi__context *z, char *buffer) -{ - int len=0; - char c = '\0'; - - c = (char) stbi__get8(z); - - while (!stbi__at_eof(z) && c != '\n') { - buffer[len++] = c; - if (len == STBI__HDR_BUFLEN-1) { - // flush to end of line - while (!stbi__at_eof(z) && stbi__get8(z) != '\n') - ; - break; - } - c = (char) stbi__get8(z); - } - - buffer[len] = 0; - return buffer; -} - -static void stbi__hdr_convert(float *output, stbi_uc *input, int req_comp) -{ - if ( input[3] != 0 ) { - float f1; - // Exponent - f1 = (float) ldexp(1.0f, input[3] - (int)(128 + 8)); - if (req_comp <= 2) - output[0] = (input[0] + input[1] + input[2]) * f1 / 3; - else { - output[0] = input[0] * f1; - output[1] = input[1] * f1; - output[2] = input[2] * f1; - } - if (req_comp == 2) output[1] = 1; - if (req_comp == 4) output[3] = 1; - } else { - switch (req_comp) { - case 4: output[3] = 1; /* fallthrough */ - case 3: output[0] = output[1] = output[2] = 0; - break; - case 2: output[1] = 1; /* fallthrough */ - case 1: output[0] = 0; - break; - } - } -} - -static float *stbi__hdr_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri) -{ - char buffer[STBI__HDR_BUFLEN]; - char *token; - int valid = 0; - int width, height; - stbi_uc *scanline; - float *hdr_data; - int len; - unsigned char count, value; - int i, j, k, c1,c2, z; - const char *headerToken; - STBI_NOTUSED(ri); - - // Check identifier - headerToken = stbi__hdr_gettoken(s,buffer); - if (strcmp(headerToken, "#?RADIANCE") != 0 && strcmp(headerToken, "#?RGBE") != 0) - return stbi__errpf("not HDR", "Corrupt HDR image"); - - // Parse header - for(;;) { - token = stbi__hdr_gettoken(s,buffer); - if (token[0] == 0) break; - if (strcmp(token, "FORMAT=32-bit_rle_rgbe") == 0) valid = 1; - } - - if (!valid) return stbi__errpf("unsupported format", "Unsupported HDR format"); - - // Parse width and height - // can't use sscanf() if we're not using stdio! - token = stbi__hdr_gettoken(s,buffer); - if (strncmp(token, "-Y ", 3)) return stbi__errpf("unsupported data layout", "Unsupported HDR format"); - token += 3; - height = (int) strtol(token, &token, 10); - while (*token == ' ') ++token; - if (strncmp(token, "+X ", 3)) return stbi__errpf("unsupported data layout", "Unsupported HDR format"); - token += 3; - width = (int) strtol(token, NULL, 10); - - if (height > STBI_MAX_DIMENSIONS) return stbi__errpf("too large","Very large image (corrupt?)"); - if (width > STBI_MAX_DIMENSIONS) return stbi__errpf("too large","Very large image (corrupt?)"); - - *x = width; - *y = height; - - if (comp) *comp = 3; - if (req_comp == 0) req_comp = 3; - - if (!stbi__mad4sizes_valid(width, height, req_comp, sizeof(float), 0)) - return stbi__errpf("too large", "HDR image is too large"); - - // Read data - hdr_data = (float *) stbi__malloc_mad4(width, height, req_comp, sizeof(float), 0); - if (!hdr_data) - return stbi__errpf("outofmem", "Out of memory"); - - // Load image data - // image data is stored as some number of sca - if ( width < 8 || width >= 32768) { - // Read flat data - for (j=0; j < height; ++j) { - for (i=0; i < width; ++i) { - stbi_uc rgbe[4]; - main_decode_loop: - stbi__getn(s, rgbe, 4); - stbi__hdr_convert(hdr_data + j * width * req_comp + i * req_comp, rgbe, req_comp); - } - } - } else { - // Read RLE-encoded data - scanline = NULL; - - for (j = 0; j < height; ++j) { - c1 = stbi__get8(s); - c2 = stbi__get8(s); - len = stbi__get8(s); - if (c1 != 2 || c2 != 2 || (len & 0x80)) { - // not run-length encoded, so we have to actually use THIS data as a decoded - // pixel (note this can't be a valid pixel--one of RGB must be >= 128) - stbi_uc rgbe[4]; - rgbe[0] = (stbi_uc) c1; - rgbe[1] = (stbi_uc) c2; - rgbe[2] = (stbi_uc) len; - rgbe[3] = (stbi_uc) stbi__get8(s); - stbi__hdr_convert(hdr_data, rgbe, req_comp); - i = 1; - j = 0; - STBI_FREE(scanline); - goto main_decode_loop; // yes, this makes no sense - } - len <<= 8; - len |= stbi__get8(s); - if (len != width) { STBI_FREE(hdr_data); STBI_FREE(scanline); return stbi__errpf("invalid decoded scanline length", "corrupt HDR"); } - if (scanline == NULL) { - scanline = (stbi_uc *) stbi__malloc_mad2(width, 4, 0); - if (!scanline) { - STBI_FREE(hdr_data); - return stbi__errpf("outofmem", "Out of memory"); - } - } - - for (k = 0; k < 4; ++k) { - int nleft; - i = 0; - while ((nleft = width - i) > 0) { - count = stbi__get8(s); - if (count > 128) { - // Run - value = stbi__get8(s); - count -= 128; - if ((count == 0) || (count > nleft)) { STBI_FREE(hdr_data); STBI_FREE(scanline); return stbi__errpf("corrupt", "bad RLE data in HDR"); } - for (z = 0; z < count; ++z) - scanline[i++ * 4 + k] = value; - } else { - // Dump - if ((count == 0) || (count > nleft)) { STBI_FREE(hdr_data); STBI_FREE(scanline); return stbi__errpf("corrupt", "bad RLE data in HDR"); } - for (z = 0; z < count; ++z) - scanline[i++ * 4 + k] = stbi__get8(s); - } - } - } - for (i=0; i < width; ++i) - stbi__hdr_convert(hdr_data+(j*width + i)*req_comp, scanline + i*4, req_comp); - } - if (scanline) - STBI_FREE(scanline); - } - - return hdr_data; -} - -static int stbi__hdr_info(stbi__context *s, int *x, int *y, int *comp) -{ - char buffer[STBI__HDR_BUFLEN]; - char *token; - int valid = 0; - int dummy; - - if (!x) x = &dummy; - if (!y) y = &dummy; - if (!comp) comp = &dummy; - - if (stbi__hdr_test(s) == 0) { - stbi__rewind( s ); - return 0; - } - - for(;;) { - token = stbi__hdr_gettoken(s,buffer); - if (token[0] == 0) break; - if (strcmp(token, "FORMAT=32-bit_rle_rgbe") == 0) valid = 1; - } - - if (!valid) { - stbi__rewind( s ); - return 0; - } - token = stbi__hdr_gettoken(s,buffer); - if (strncmp(token, "-Y ", 3)) { - stbi__rewind( s ); - return 0; - } - token += 3; - *y = (int) strtol(token, &token, 10); - while (*token == ' ') ++token; - if (strncmp(token, "+X ", 3)) { - stbi__rewind( s ); - return 0; - } - token += 3; - *x = (int) strtol(token, NULL, 10); - *comp = 3; - return 1; -} -#endif // STBI_NO_HDR - -#ifndef STBI_NO_BMP -static int stbi__bmp_info(stbi__context *s, int *x, int *y, int *comp) -{ - void *p; - stbi__bmp_data info; - - info.all_a = 255; - p = stbi__bmp_parse_header(s, &info); - if (p == NULL) { - stbi__rewind( s ); - return 0; - } - if (x) *x = s->img_x; - if (y) *y = s->img_y; - if (comp) { - if (info.bpp == 24 && info.ma == 0xff000000) - *comp = 3; - else - *comp = info.ma ? 4 : 3; - } - return 1; -} -#endif - -#ifndef STBI_NO_PSD -static int stbi__psd_info(stbi__context *s, int *x, int *y, int *comp) -{ - int channelCount, dummy, depth; - if (!x) x = &dummy; - if (!y) y = &dummy; - if (!comp) comp = &dummy; - if (stbi__get32be(s) != 0x38425053) { - stbi__rewind( s ); - return 0; - } - if (stbi__get16be(s) != 1) { - stbi__rewind( s ); - return 0; - } - stbi__skip(s, 6); - channelCount = stbi__get16be(s); - if (channelCount < 0 || channelCount > 16) { - stbi__rewind( s ); - return 0; - } - *y = stbi__get32be(s); - *x = stbi__get32be(s); - depth = stbi__get16be(s); - if (depth != 8 && depth != 16) { - stbi__rewind( s ); - return 0; - } - if (stbi__get16be(s) != 3) { - stbi__rewind( s ); - return 0; - } - *comp = 4; - return 1; -} - -static int stbi__psd_is16(stbi__context *s) -{ - int channelCount, depth; - if (stbi__get32be(s) != 0x38425053) { - stbi__rewind( s ); - return 0; - } - if (stbi__get16be(s) != 1) { - stbi__rewind( s ); - return 0; - } - stbi__skip(s, 6); - channelCount = stbi__get16be(s); - if (channelCount < 0 || channelCount > 16) { - stbi__rewind( s ); - return 0; - } - STBI_NOTUSED(stbi__get32be(s)); - STBI_NOTUSED(stbi__get32be(s)); - depth = stbi__get16be(s); - if (depth != 16) { - stbi__rewind( s ); - return 0; - } - return 1; -} -#endif - -#ifndef STBI_NO_PIC -static int stbi__pic_info(stbi__context *s, int *x, int *y, int *comp) -{ - int act_comp=0,num_packets=0,chained,dummy; - stbi__pic_packet packets[10]; - - if (!x) x = &dummy; - if (!y) y = &dummy; - if (!comp) comp = &dummy; - - if (!stbi__pic_is4(s,"\x53\x80\xF6\x34")) { - stbi__rewind(s); - return 0; - } - - stbi__skip(s, 88); - - *x = stbi__get16be(s); - *y = stbi__get16be(s); - if (stbi__at_eof(s)) { - stbi__rewind( s); - return 0; - } - if ( (*x) != 0 && (1 << 28) / (*x) < (*y)) { - stbi__rewind( s ); - return 0; - } - - stbi__skip(s, 8); - - do { - stbi__pic_packet *packet; - - if (num_packets==sizeof(packets)/sizeof(packets[0])) - return 0; - - packet = &packets[num_packets++]; - chained = stbi__get8(s); - packet->size = stbi__get8(s); - packet->type = stbi__get8(s); - packet->channel = stbi__get8(s); - act_comp |= packet->channel; - - if (stbi__at_eof(s)) { - stbi__rewind( s ); - return 0; - } - if (packet->size != 8) { - stbi__rewind( s ); - return 0; - } - } while (chained); - - *comp = (act_comp & 0x10 ? 4 : 3); - - return 1; -} -#endif - -// ************************************************************************************************* -// Portable Gray Map and Portable Pixel Map loader -// by Ken Miller -// -// PGM: http://netpbm.sourceforge.net/doc/pgm.html -// PPM: http://netpbm.sourceforge.net/doc/ppm.html -// -// Known limitations: -// Does not support comments in the header section -// Does not support ASCII image data (formats P2 and P3) - -#ifndef STBI_NO_PNM - -static int stbi__pnm_test(stbi__context *s) -{ - char p, t; - p = (char) stbi__get8(s); - t = (char) stbi__get8(s); - if (p != 'P' || (t != '5' && t != '6')) { - stbi__rewind( s ); - return 0; - } - return 1; -} - -static void *stbi__pnm_load(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri) -{ - stbi_uc *out; - STBI_NOTUSED(ri); - - ri->bits_per_channel = stbi__pnm_info(s, (int *)&s->img_x, (int *)&s->img_y, (int *)&s->img_n); - if (ri->bits_per_channel == 0) - return 0; - - if (s->img_y > STBI_MAX_DIMENSIONS) return stbi__errpuc("too large","Very large image (corrupt?)"); - if (s->img_x > STBI_MAX_DIMENSIONS) return stbi__errpuc("too large","Very large image (corrupt?)"); - - *x = s->img_x; - *y = s->img_y; - if (comp) *comp = s->img_n; - - if (!stbi__mad4sizes_valid(s->img_n, s->img_x, s->img_y, ri->bits_per_channel / 8, 0)) - return stbi__errpuc("too large", "PNM too large"); - - out = (stbi_uc *) stbi__malloc_mad4(s->img_n, s->img_x, s->img_y, ri->bits_per_channel / 8, 0); - if (!out) return stbi__errpuc("outofmem", "Out of memory"); - if (!stbi__getn(s, out, s->img_n * s->img_x * s->img_y * (ri->bits_per_channel / 8))) { - STBI_FREE(out); - return stbi__errpuc("bad PNM", "PNM file truncated"); - } - - if (req_comp && req_comp != s->img_n) { - if (ri->bits_per_channel == 16) { - out = (stbi_uc *) stbi__convert_format16((stbi__uint16 *) out, s->img_n, req_comp, s->img_x, s->img_y); - } else { - out = stbi__convert_format(out, s->img_n, req_comp, s->img_x, s->img_y); - } - if (out == NULL) return out; // stbi__convert_format frees input on failure - } - return out; -} - -static int stbi__pnm_isspace(char c) -{ - return c == ' ' || c == '\t' || c == '\n' || c == '\v' || c == '\f' || c == '\r'; -} - -static void stbi__pnm_skip_whitespace(stbi__context *s, char *c) -{ - for (;;) { - while (!stbi__at_eof(s) && stbi__pnm_isspace(*c)) - *c = (char) stbi__get8(s); - - if (stbi__at_eof(s) || *c != '#') - break; - - while (!stbi__at_eof(s) && *c != '\n' && *c != '\r' ) - *c = (char) stbi__get8(s); - } -} - -static int stbi__pnm_isdigit(char c) -{ - return c >= '0' && c <= '9'; -} - -static int stbi__pnm_getinteger(stbi__context *s, char *c) -{ - int value = 0; - - while (!stbi__at_eof(s) && stbi__pnm_isdigit(*c)) { - value = value*10 + (*c - '0'); - *c = (char) stbi__get8(s); - if((value > 214748364) || (value == 214748364 && *c > '7')) - return stbi__err("integer parse overflow", "Parsing an integer in the PPM header overflowed a 32-bit int"); - } - - return value; -} - -static int stbi__pnm_info(stbi__context *s, int *x, int *y, int *comp) -{ - int maxv, dummy; - char c, p, t; - - if (!x) x = &dummy; - if (!y) y = &dummy; - if (!comp) comp = &dummy; - - stbi__rewind(s); - - // Get identifier - p = (char) stbi__get8(s); - t = (char) stbi__get8(s); - if (p != 'P' || (t != '5' && t != '6')) { - stbi__rewind(s); - return 0; - } - - *comp = (t == '6') ? 3 : 1; // '5' is 1-component .pgm; '6' is 3-component .ppm - - c = (char) stbi__get8(s); - stbi__pnm_skip_whitespace(s, &c); - - *x = stbi__pnm_getinteger(s, &c); // read width - if(*x == 0) - return stbi__err("invalid width", "PPM image header had zero or overflowing width"); - stbi__pnm_skip_whitespace(s, &c); - - *y = stbi__pnm_getinteger(s, &c); // read height - if (*y == 0) - return stbi__err("invalid width", "PPM image header had zero or overflowing width"); - stbi__pnm_skip_whitespace(s, &c); - - maxv = stbi__pnm_getinteger(s, &c); // read max value - if (maxv > 65535) - return stbi__err("max value > 65535", "PPM image supports only 8-bit and 16-bit images"); - else if (maxv > 255) - return 16; - else - return 8; -} - -static int stbi__pnm_is16(stbi__context *s) -{ - if (stbi__pnm_info(s, NULL, NULL, NULL) == 16) - return 1; - return 0; -} -#endif - -static int stbi__info_main(stbi__context *s, int *x, int *y, int *comp) -{ - #ifndef STBI_NO_JPEG - if (stbi__jpeg_info(s, x, y, comp)) return 1; - #endif - - #ifndef STBI_NO_PNG - if (stbi__png_info(s, x, y, comp)) return 1; - #endif - - #ifndef STBI_NO_GIF - if (stbi__gif_info(s, x, y, comp)) return 1; - #endif - - #ifndef STBI_NO_BMP - if (stbi__bmp_info(s, x, y, comp)) return 1; - #endif - - #ifndef STBI_NO_PSD - if (stbi__psd_info(s, x, y, comp)) return 1; - #endif - - #ifndef STBI_NO_PIC - if (stbi__pic_info(s, x, y, comp)) return 1; - #endif - - #ifndef STBI_NO_PNM - if (stbi__pnm_info(s, x, y, comp)) return 1; - #endif - - #ifndef STBI_NO_HDR - if (stbi__hdr_info(s, x, y, comp)) return 1; - #endif - - // test tga last because it's a crappy test! - #ifndef STBI_NO_TGA - if (stbi__tga_info(s, x, y, comp)) - return 1; - #endif - return stbi__err("unknown image type", "Image not of any known type, or corrupt"); -} - -static int stbi__is_16_main(stbi__context *s) -{ - #ifndef STBI_NO_PNG - if (stbi__png_is16(s)) return 1; - #endif - - #ifndef STBI_NO_PSD - if (stbi__psd_is16(s)) return 1; - #endif - - #ifndef STBI_NO_PNM - if (stbi__pnm_is16(s)) return 1; - #endif - return 0; -} - -#ifndef STBI_NO_STDIO -STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) -{ - FILE *f = stbi__fopen(filename, "rb"); - int result; - if (!f) return stbi__err("can't fopen", "Unable to open file"); - result = stbi_info_from_file(f, x, y, comp); - fclose(f); - return result; -} - -STBIDEF int stbi_info_from_file(FILE *f, int *x, int *y, int *comp) -{ - int r; - stbi__context s; - long pos = ftell(f); - stbi__start_file(&s, f); - r = stbi__info_main(&s,x,y,comp); - fseek(f,pos,SEEK_SET); - return r; -} - -STBIDEF int stbi_is_16_bit(char const *filename) -{ - FILE *f = stbi__fopen(filename, "rb"); - int result; - if (!f) return stbi__err("can't fopen", "Unable to open file"); - result = stbi_is_16_bit_from_file(f); - fclose(f); - return result; -} - -STBIDEF int stbi_is_16_bit_from_file(FILE *f) -{ - int r; - stbi__context s; - long pos = ftell(f); - stbi__start_file(&s, f); - r = stbi__is_16_main(&s); - fseek(f,pos,SEEK_SET); - return r; -} -#endif // !STBI_NO_STDIO - -STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) -{ - stbi__context s; - stbi__start_mem(&s,buffer,len); - return stbi__info_main(&s,x,y,comp); -} - -STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) -{ - stbi__context s; - stbi__start_callbacks(&s, (stbi_io_callbacks *) c, user); - return stbi__info_main(&s,x,y,comp); -} - -STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) -{ - stbi__context s; - stbi__start_mem(&s,buffer,len); - return stbi__is_16_main(&s); -} - -STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) -{ - stbi__context s; - stbi__start_callbacks(&s, (stbi_io_callbacks *) c, user); - return stbi__is_16_main(&s); -} - -#endif // STB_IMAGE_IMPLEMENTATION - -/* - revision history: - 2.20 (2019-02-07) support utf8 filenames in Windows; fix warnings and platform ifdefs - 2.19 (2018-02-11) fix warning - 2.18 (2018-01-30) fix warnings - 2.17 (2018-01-29) change sbti__shiftsigned to avoid clang -O2 bug - 1-bit BMP - *_is_16_bit api - avoid warnings - 2.16 (2017-07-23) all functions have 16-bit variants; - STBI_NO_STDIO works again; - compilation fixes; - fix rounding in unpremultiply; - optimize vertical flip; - disable raw_len validation; - documentation fixes - 2.15 (2017-03-18) fix png-1,2,4 bug; now all Imagenet JPGs decode; - warning fixes; disable run-time SSE detection on gcc; - uniform handling of optional "return" values; - thread-safe initialization of zlib tables - 2.14 (2017-03-03) remove deprecated STBI_JPEG_OLD; fixes for Imagenet JPGs - 2.13 (2016-11-29) add 16-bit API, only supported for PNG right now - 2.12 (2016-04-02) fix typo in 2.11 PSD fix that caused crashes - 2.11 (2016-04-02) allocate large structures on the stack - remove white matting for transparent PSD - fix reported channel count for PNG & BMP - re-enable SSE2 in non-gcc 64-bit - support RGB-formatted JPEG - read 16-bit PNGs (only as 8-bit) - 2.10 (2016-01-22) avoid warning introduced in 2.09 by STBI_REALLOC_SIZED - 2.09 (2016-01-16) allow comments in PNM files - 16-bit-per-pixel TGA (not bit-per-component) - info() for TGA could break due to .hdr handling - info() for BMP to shares code instead of sloppy parse - can use STBI_REALLOC_SIZED if allocator doesn't support realloc - code cleanup - 2.08 (2015-09-13) fix to 2.07 cleanup, reading RGB PSD as RGBA - 2.07 (2015-09-13) fix compiler warnings - partial animated GIF support - limited 16-bpc PSD support - #ifdef unused functions - bug with < 92 byte PIC,PNM,HDR,TGA - 2.06 (2015-04-19) fix bug where PSD returns wrong '*comp' value - 2.05 (2015-04-19) fix bug in progressive JPEG handling, fix warning - 2.04 (2015-04-15) try to re-enable SIMD on MinGW 64-bit - 2.03 (2015-04-12) extra corruption checking (mmozeiko) - stbi_set_flip_vertically_on_load (nguillemot) - fix NEON support; fix mingw support - 2.02 (2015-01-19) fix incorrect assert, fix warning - 2.01 (2015-01-17) fix various warnings; suppress SIMD on gcc 32-bit without -msse2 - 2.00b (2014-12-25) fix STBI_MALLOC in progressive JPEG - 2.00 (2014-12-25) optimize JPG, including x86 SSE2 & NEON SIMD (ryg) - progressive JPEG (stb) - PGM/PPM support (Ken Miller) - STBI_MALLOC,STBI_REALLOC,STBI_FREE - GIF bugfix -- seemingly never worked - STBI_NO_*, STBI_ONLY_* - 1.48 (2014-12-14) fix incorrectly-named assert() - 1.47 (2014-12-14) 1/2/4-bit PNG support, both direct and paletted (Omar Cornut & stb) - optimize PNG (ryg) - fix bug in interlaced PNG with user-specified channel count (stb) - 1.46 (2014-08-26) - fix broken tRNS chunk (colorkey-style transparency) in non-paletted PNG - 1.45 (2014-08-16) - fix MSVC-ARM internal compiler error by wrapping malloc - 1.44 (2014-08-07) - various warning fixes from Ronny Chevalier - 1.43 (2014-07-15) - fix MSVC-only compiler problem in code changed in 1.42 - 1.42 (2014-07-09) - don't define _CRT_SECURE_NO_WARNINGS (affects user code) - fixes to stbi__cleanup_jpeg path - added STBI_ASSERT to avoid requiring assert.h - 1.41 (2014-06-25) - fix search&replace from 1.36 that messed up comments/error messages - 1.40 (2014-06-22) - fix gcc struct-initialization warning - 1.39 (2014-06-15) - fix to TGA optimization when req_comp != number of components in TGA; - fix to GIF loading because BMP wasn't rewinding (whoops, no GIFs in my test suite) - add support for BMP version 5 (more ignored fields) - 1.38 (2014-06-06) - suppress MSVC warnings on integer casts truncating values - fix accidental rename of 'skip' field of I/O - 1.37 (2014-06-04) - remove duplicate typedef - 1.36 (2014-06-03) - convert to header file single-file library - if de-iphone isn't set, load iphone images color-swapped instead of returning NULL - 1.35 (2014-05-27) - various warnings - fix broken STBI_SIMD path - fix bug where stbi_load_from_file no longer left file pointer in correct place - fix broken non-easy path for 32-bit BMP (possibly never used) - TGA optimization by Arseny Kapoulkine - 1.34 (unknown) - use STBI_NOTUSED in stbi__resample_row_generic(), fix one more leak in tga failure case - 1.33 (2011-07-14) - make stbi_is_hdr work in STBI_NO_HDR (as specified), minor compiler-friendly improvements - 1.32 (2011-07-13) - support for "info" function for all supported filetypes (SpartanJ) - 1.31 (2011-06-20) - a few more leak fixes, bug in PNG handling (SpartanJ) - 1.30 (2011-06-11) - added ability to load files via callbacks to accomidate custom input streams (Ben Wenger) - removed deprecated format-specific test/load functions - removed support for installable file formats (stbi_loader) -- would have been broken for IO callbacks anyway - error cases in bmp and tga give messages and don't leak (Raymond Barbiero, grisha) - fix inefficiency in decoding 32-bit BMP (David Woo) - 1.29 (2010-08-16) - various warning fixes from Aurelien Pocheville - 1.28 (2010-08-01) - fix bug in GIF palette transparency (SpartanJ) - 1.27 (2010-08-01) - cast-to-stbi_uc to fix warnings - 1.26 (2010-07-24) - fix bug in file buffering for PNG reported by SpartanJ - 1.25 (2010-07-17) - refix trans_data warning (Won Chun) - 1.24 (2010-07-12) - perf improvements reading from files on platforms with lock-heavy fgetc() - minor perf improvements for jpeg - deprecated type-specific functions so we'll get feedback if they're needed - attempt to fix trans_data warning (Won Chun) - 1.23 fixed bug in iPhone support - 1.22 (2010-07-10) - removed image *writing* support - stbi_info support from Jetro Lauha - GIF support from Jean-Marc Lienher - iPhone PNG-extensions from James Brown - warning-fixes from Nicolas Schulz and Janez Zemva (i.stbi__err. Janez (U+017D)emva) - 1.21 fix use of 'stbi_uc' in header (reported by jon blow) - 1.20 added support for Softimage PIC, by Tom Seddon - 1.19 bug in interlaced PNG corruption check (found by ryg) - 1.18 (2008-08-02) - fix a threading bug (local mutable static) - 1.17 support interlaced PNG - 1.16 major bugfix - stbi__convert_format converted one too many pixels - 1.15 initialize some fields for thread safety - 1.14 fix threadsafe conversion bug - header-file-only version (#define STBI_HEADER_FILE_ONLY before including) - 1.13 threadsafe - 1.12 const qualifiers in the API - 1.11 Support installable IDCT, colorspace conversion routines - 1.10 Fixes for 64-bit (don't use "unsigned long") - optimized upsampling by Fabian "ryg" Giesen - 1.09 Fix format-conversion for PSD code (bad global variables!) - 1.08 Thatcher Ulrich's PSD code integrated by Nicolas Schulz - 1.07 attempt to fix C++ warning/errors again - 1.06 attempt to fix C++ warning/errors again - 1.05 fix TGA loading to return correct *comp and use good luminance calc - 1.04 default float alpha is 1, not 255; use 'void *' for stbi_image_free - 1.03 bugfixes to STBI_NO_STDIO, STBI_NO_HDR - 1.02 support for (subset of) HDR files, float interface for preferred access to them - 1.01 fix bug: possible bug in handling right-side up bmps... not sure - fix bug: the stbi__bmp_load() and stbi__tga_load() functions didn't work at all - 1.00 interface to zlib that skips zlib header - 0.99 correct handling of alpha in palette - 0.98 TGA loader by lonesock; dynamically add loaders (untested) - 0.97 jpeg errors on too large a file; also catch another malloc failure - 0.96 fix detection of invalid v value - particleman@mollyrocket forum - 0.95 during header scan, seek to markers in case of padding - 0.94 STBI_NO_STDIO to disable stdio usage; rename all #defines the same - 0.93 handle jpegtran output; verbose errors - 0.92 read 4,8,16,24,32-bit BMP files of several formats - 0.91 output 24-bit Windows 3.0 BMP files - 0.90 fix a few more warnings; bump version number to approach 1.0 - 0.61 bugfixes due to Marc LeBlanc, Christopher Lloyd - 0.60 fix compiling as c++ - 0.59 fix warnings: merge Dave Moore's -Wall fixes - 0.58 fix bug: zlib uncompressed mode len/nlen was wrong endian - 0.57 fix bug: jpg last huffman symbol before marker was >9 bits but less than 16 available - 0.56 fix bug: zlib uncompressed mode len vs. nlen - 0.55 fix bug: restart_interval not initialized to 0 - 0.54 allow NULL for 'int *comp' - 0.53 fix bug in png 3->4; speedup png decoding - 0.52 png handles req_comp=3,4 directly; minor cleanup; jpeg comments - 0.51 obey req_comp requests, 1-component jpegs return as 1-component, - on 'test' only check type, not whether we support this variant - 0.50 (2006-11-19) - first released version -*/ - - -/* ------------------------------------------------------------------------------- -This software is available under 2 licenses -- choose whichever you prefer. ------------------------------------------------------------------------------- -ALTERNATIVE A - MIT License -Copyright (c) 2017 Sean Barrett -Permission is hereby granted, free of charge, to any person obtaining a copy of -this software and associated documentation files (the "Software"), to deal in -the Software without restriction, including without limitation the rights to -use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies -of the Software, and to permit persons to whom the Software is furnished to do -so, subject to the following conditions: -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. ------------------------------------------------------------------------------- -ALTERNATIVE B - Public Domain (www.unlicense.org) -This is free and unencumbered software released into the public domain. -Anyone is free to copy, modify, publish, use, compile, sell, or distribute this -software, either in source code form or as a compiled binary, for any purpose, -commercial or non-commercial, and by any means. -In jurisdictions that recognize copyright laws, the author or authors of this -software dedicate any and all copyright interest in the software to the public -domain. We make this dedication for the benefit of the public at large and to -the detriment of our heirs and successors. We intend this dedication to be an -overt act of relinquishment in perpetuity of all present and future rights to -this software under copyright law. -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN -ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION -WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ------------------------------------------------------------------------------- -*/ diff --git a/subprojects/stb_image/stb_image_write.h b/subprojects/stb_image/stb_image_write.h deleted file mode 100644 index e4b32ed..0000000 --- a/subprojects/stb_image/stb_image_write.h +++ /dev/null @@ -1,1724 +0,0 @@ -/* stb_image_write - v1.16 - public domain - http://nothings.org/stb - writes out PNG/BMP/TGA/JPEG/HDR images to C stdio - Sean Barrett 2010-2015 - no warranty implied; use at your own risk - - Before #including, - - #define STB_IMAGE_WRITE_IMPLEMENTATION - - in the file that you want to have the implementation. - - Will probably not work correctly with strict-aliasing optimizations. - -ABOUT: - - This header file is a library for writing images to C stdio or a callback. - - The PNG output is not optimal; it is 20-50% larger than the file - written by a decent optimizing implementation; though providing a custom - zlib compress function (see STBIW_ZLIB_COMPRESS) can mitigate that. - This library is designed for source code compactness and simplicity, - not optimal image file size or run-time performance. - -BUILDING: - - You can #define STBIW_ASSERT(x) before the #include to avoid using assert.h. - You can #define STBIW_MALLOC(), STBIW_REALLOC(), and STBIW_FREE() to replace - malloc,realloc,free. - You can #define STBIW_MEMMOVE() to replace memmove() - You can #define STBIW_ZLIB_COMPRESS to use a custom zlib-style compress function - for PNG compression (instead of the builtin one), it must have the following signature: - unsigned char * my_compress(unsigned char *data, int data_len, int *out_len, int quality); - The returned data will be freed with STBIW_FREE() (free() by default), - so it must be heap allocated with STBIW_MALLOC() (malloc() by default), - -UNICODE: - - If compiling for Windows and you wish to use Unicode filenames, compile - with - #define STBIW_WINDOWS_UTF8 - and pass utf8-encoded filenames. Call stbiw_convert_wchar_to_utf8 to convert - Windows wchar_t filenames to utf8. - -USAGE: - - There are five functions, one for each image file format: - - int stbi_write_png(char const *filename, int w, int h, int comp, const void *data, int stride_in_bytes); - int stbi_write_bmp(char const *filename, int w, int h, int comp, const void *data); - int stbi_write_tga(char const *filename, int w, int h, int comp, const void *data); - int stbi_write_jpg(char const *filename, int w, int h, int comp, const void *data, int quality); - int stbi_write_hdr(char const *filename, int w, int h, int comp, const float *data); - - void stbi_flip_vertically_on_write(int flag); // flag is non-zero to flip data vertically - - There are also five equivalent functions that use an arbitrary write function. You are - expected to open/close your file-equivalent before and after calling these: - - int stbi_write_png_to_func(stbi_write_func *func, void *context, int w, int h, int comp, const void *data, int stride_in_bytes); - int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int w, int h, int comp, const void *data); - int stbi_write_tga_to_func(stbi_write_func *func, void *context, int w, int h, int comp, const void *data); - int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int w, int h, int comp, const float *data); - int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality); - - where the callback is: - void stbi_write_func(void *context, void *data, int size); - - You can configure it with these global variables: - int stbi_write_tga_with_rle; // defaults to true; set to 0 to disable RLE - int stbi_write_png_compression_level; // defaults to 8; set to higher for more compression - int stbi_write_force_png_filter; // defaults to -1; set to 0..5 to force a filter mode - - - You can define STBI_WRITE_NO_STDIO to disable the file variant of these - functions, so the library will not use stdio.h at all. However, this will - also disable HDR writing, because it requires stdio for formatted output. - - Each function returns 0 on failure and non-0 on success. - - The functions create an image file defined by the parameters. The image - is a rectangle of pixels stored from left-to-right, top-to-bottom. - Each pixel contains 'comp' channels of data stored interleaved with 8-bits - per channel, in the following order: 1=Y, 2=YA, 3=RGB, 4=RGBA. (Y is - monochrome color.) The rectangle is 'w' pixels wide and 'h' pixels tall. - The *data pointer points to the first byte of the top-left-most pixel. - For PNG, "stride_in_bytes" is the distance in bytes from the first byte of - a row of pixels to the first byte of the next row of pixels. - - PNG creates output files with the same number of components as the input. - The BMP format expands Y to RGB in the file format and does not - output alpha. - - PNG supports writing rectangles of data even when the bytes storing rows of - data are not consecutive in memory (e.g. sub-rectangles of a larger image), - by supplying the stride between the beginning of adjacent rows. The other - formats do not. (Thus you cannot write a native-format BMP through the BMP - writer, both because it is in BGR order and because it may have padding - at the end of the line.) - - PNG allows you to set the deflate compression level by setting the global - variable 'stbi_write_png_compression_level' (it defaults to 8). - - HDR expects linear float data. Since the format is always 32-bit rgb(e) - data, alpha (if provided) is discarded, and for monochrome data it is - replicated across all three channels. - - TGA supports RLE or non-RLE compressed data. To use non-RLE-compressed - data, set the global variable 'stbi_write_tga_with_rle' to 0. - - JPEG does ignore alpha channels in input data; quality is between 1 and 100. - Higher quality looks better but results in a bigger image. - JPEG baseline (no JPEG progressive). - -CREDITS: - - - Sean Barrett - PNG/BMP/TGA - Baldur Karlsson - HDR - Jean-Sebastien Guay - TGA monochrome - Tim Kelsey - misc enhancements - Alan Hickman - TGA RLE - Emmanuel Julien - initial file IO callback implementation - Jon Olick - original jo_jpeg.cpp code - Daniel Gibson - integrate JPEG, allow external zlib - Aarni Koskela - allow choosing PNG filter - - bugfixes: - github:Chribba - Guillaume Chereau - github:jry2 - github:romigrou - Sergio Gonzalez - Jonas Karlsson - Filip Wasil - Thatcher Ulrich - github:poppolopoppo - Patrick Boettcher - github:xeekworx - Cap Petschulat - Simon Rodriguez - Ivan Tikhonov - github:ignotion - Adam Schackart - Andrew Kensler - -LICENSE - - See end of file for license information. - -*/ - -#ifndef INCLUDE_STB_IMAGE_WRITE_H -#define INCLUDE_STB_IMAGE_WRITE_H - -#include <stdlib.h> - -// if STB_IMAGE_WRITE_STATIC causes problems, try defining STBIWDEF to 'inline' or 'static inline' -#ifndef STBIWDEF -#ifdef STB_IMAGE_WRITE_STATIC -#define STBIWDEF static -#else -#ifdef __cplusplus -#define STBIWDEF extern "C" -#else -#define STBIWDEF extern -#endif -#endif -#endif - -#ifndef STB_IMAGE_WRITE_STATIC // C++ forbids static forward declarations -STBIWDEF int stbi_write_tga_with_rle; -STBIWDEF int stbi_write_png_compression_level; -STBIWDEF int stbi_write_force_png_filter; -#endif - -#ifndef STBI_WRITE_NO_STDIO -STBIWDEF int stbi_write_png(char const *filename, int w, int h, int comp, const void *data, int stride_in_bytes); -STBIWDEF int stbi_write_bmp(char const *filename, int w, int h, int comp, const void *data); -STBIWDEF int stbi_write_tga(char const *filename, int w, int h, int comp, const void *data); -STBIWDEF int stbi_write_hdr(char const *filename, int w, int h, int comp, const float *data); -STBIWDEF int stbi_write_jpg(char const *filename, int x, int y, int comp, const void *data, int quality); - -#ifdef STBIW_WINDOWS_UTF8 -STBIWDEF int stbiw_convert_wchar_to_utf8(char *buffer, size_t bufferlen, const wchar_t* input); -#endif -#endif - -typedef void stbi_write_func(void *context, void *data, int size); - -STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int w, int h, int comp, const void *data, int stride_in_bytes); -STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int w, int h, int comp, const void *data); -STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int w, int h, int comp, const void *data); -STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int w, int h, int comp, const float *data); -STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality); - -STBIWDEF void stbi_flip_vertically_on_write(int flip_boolean); - -#endif//INCLUDE_STB_IMAGE_WRITE_H - -#ifdef STB_IMAGE_WRITE_IMPLEMENTATION - -#ifdef _WIN32 - #ifndef _CRT_SECURE_NO_WARNINGS - #define _CRT_SECURE_NO_WARNINGS - #endif - #ifndef _CRT_NONSTDC_NO_DEPRECATE - #define _CRT_NONSTDC_NO_DEPRECATE - #endif -#endif - -#ifndef STBI_WRITE_NO_STDIO -#include <stdio.h> -#endif // STBI_WRITE_NO_STDIO - -#include <stdarg.h> -#include <stdlib.h> -#include <string.h> -#include <math.h> - -#if defined(STBIW_MALLOC) && defined(STBIW_FREE) && (defined(STBIW_REALLOC) || defined(STBIW_REALLOC_SIZED)) -// ok -#elif !defined(STBIW_MALLOC) && !defined(STBIW_FREE) && !defined(STBIW_REALLOC) && !defined(STBIW_REALLOC_SIZED) -// ok -#else -#error "Must define all or none of STBIW_MALLOC, STBIW_FREE, and STBIW_REALLOC (or STBIW_REALLOC_SIZED)." -#endif - -#ifndef STBIW_MALLOC -#define STBIW_MALLOC(sz) malloc(sz) -#define STBIW_REALLOC(p,newsz) realloc(p,newsz) -#define STBIW_FREE(p) free(p) -#endif - -#ifndef STBIW_REALLOC_SIZED -#define STBIW_REALLOC_SIZED(p,oldsz,newsz) STBIW_REALLOC(p,newsz) -#endif - - -#ifndef STBIW_MEMMOVE -#define STBIW_MEMMOVE(a,b,sz) memmove(a,b,sz) -#endif - - -#ifndef STBIW_ASSERT -#include <assert.h> -#define STBIW_ASSERT(x) assert(x) -#endif - -#define STBIW_UCHAR(x) (unsigned char) ((x) & 0xff) - -#ifdef STB_IMAGE_WRITE_STATIC -static int stbi_write_png_compression_level = 8; -static int stbi_write_tga_with_rle = 1; -static int stbi_write_force_png_filter = -1; -#else -int stbi_write_png_compression_level = 8; -int stbi_write_tga_with_rle = 1; -int stbi_write_force_png_filter = -1; -#endif - -static int stbi__flip_vertically_on_write = 0; - -STBIWDEF void stbi_flip_vertically_on_write(int flag) -{ - stbi__flip_vertically_on_write = flag; -} - -typedef struct -{ - stbi_write_func *func; - void *context; - unsigned char buffer[64]; - int buf_used; -} stbi__write_context; - -// initialize a callback-based context -static void stbi__start_write_callbacks(stbi__write_context *s, stbi_write_func *c, void *context) -{ - s->func = c; - s->context = context; -} - -#ifndef STBI_WRITE_NO_STDIO - -static void stbi__stdio_write(void *context, void *data, int size) -{ - fwrite(data,1,size,(FILE*) context); -} - -#if defined(_WIN32) && defined(STBIW_WINDOWS_UTF8) -#ifdef __cplusplus -#define STBIW_EXTERN extern "C" -#else -#define STBIW_EXTERN extern -#endif -STBIW_EXTERN __declspec(dllimport) int __stdcall MultiByteToWideChar(unsigned int cp, unsigned long flags, const char *str, int cbmb, wchar_t *widestr, int cchwide); -STBIW_EXTERN __declspec(dllimport) int __stdcall WideCharToMultiByte(unsigned int cp, unsigned long flags, const wchar_t *widestr, int cchwide, char *str, int cbmb, const char *defchar, int *used_default); - -STBIWDEF int stbiw_convert_wchar_to_utf8(char *buffer, size_t bufferlen, const wchar_t* input) -{ - return WideCharToMultiByte(65001 /* UTF8 */, 0, input, -1, buffer, (int) bufferlen, NULL, NULL); -} -#endif - -static FILE *stbiw__fopen(char const *filename, char const *mode) -{ - FILE *f; -#if defined(_WIN32) && defined(STBIW_WINDOWS_UTF8) - wchar_t wMode[64]; - wchar_t wFilename[1024]; - if (0 == MultiByteToWideChar(65001 /* UTF8 */, 0, filename, -1, wFilename, sizeof(wFilename)/sizeof(*wFilename))) - return 0; - - if (0 == MultiByteToWideChar(65001 /* UTF8 */, 0, mode, -1, wMode, sizeof(wMode)/sizeof(*wMode))) - return 0; - -#if defined(_MSC_VER) && _MSC_VER >= 1400 - if (0 != _wfopen_s(&f, wFilename, wMode)) - f = 0; -#else - f = _wfopen(wFilename, wMode); -#endif - -#elif defined(_MSC_VER) && _MSC_VER >= 1400 - if (0 != fopen_s(&f, filename, mode)) - f=0; -#else - f = fopen(filename, mode); -#endif - return f; -} - -static int stbi__start_write_file(stbi__write_context *s, const char *filename) -{ - FILE *f = stbiw__fopen(filename, "wb"); - stbi__start_write_callbacks(s, stbi__stdio_write, (void *) f); - return f != NULL; -} - -static void stbi__end_write_file(stbi__write_context *s) -{ - fclose((FILE *)s->context); -} - -#endif // !STBI_WRITE_NO_STDIO - -typedef unsigned int stbiw_uint32; -typedef int stb_image_write_test[sizeof(stbiw_uint32)==4 ? 1 : -1]; - -static void stbiw__writefv(stbi__write_context *s, const char *fmt, va_list v) -{ - while (*fmt) { - switch (*fmt++) { - case ' ': break; - case '1': { unsigned char x = STBIW_UCHAR(va_arg(v, int)); - s->func(s->context,&x,1); - break; } - case '2': { int x = va_arg(v,int); - unsigned char b[2]; - b[0] = STBIW_UCHAR(x); - b[1] = STBIW_UCHAR(x>>8); - s->func(s->context,b,2); - break; } - case '4': { stbiw_uint32 x = va_arg(v,int); - unsigned char b[4]; - b[0]=STBIW_UCHAR(x); - b[1]=STBIW_UCHAR(x>>8); - b[2]=STBIW_UCHAR(x>>16); - b[3]=STBIW_UCHAR(x>>24); - s->func(s->context,b,4); - break; } - default: - STBIW_ASSERT(0); - return; - } - } -} - -static void stbiw__writef(stbi__write_context *s, const char *fmt, ...) -{ - va_list v; - va_start(v, fmt); - stbiw__writefv(s, fmt, v); - va_end(v); -} - -static void stbiw__write_flush(stbi__write_context *s) -{ - if (s->buf_used) { - s->func(s->context, &s->buffer, s->buf_used); - s->buf_used = 0; - } -} - -static void stbiw__putc(stbi__write_context *s, unsigned char c) -{ - s->func(s->context, &c, 1); -} - -static void stbiw__write1(stbi__write_context *s, unsigned char a) -{ - if ((size_t)s->buf_used + 1 > sizeof(s->buffer)) - stbiw__write_flush(s); - s->buffer[s->buf_used++] = a; -} - -static void stbiw__write3(stbi__write_context *s, unsigned char a, unsigned char b, unsigned char c) -{ - int n; - if ((size_t)s->buf_used + 3 > sizeof(s->buffer)) - stbiw__write_flush(s); - n = s->buf_used; - s->buf_used = n+3; - s->buffer[n+0] = a; - s->buffer[n+1] = b; - s->buffer[n+2] = c; -} - -static void stbiw__write_pixel(stbi__write_context *s, int rgb_dir, int comp, int write_alpha, int expand_mono, unsigned char *d) -{ - unsigned char bg[3] = { 255, 0, 255}, px[3]; - int k; - - if (write_alpha < 0) - stbiw__write1(s, d[comp - 1]); - - switch (comp) { - case 2: // 2 pixels = mono + alpha, alpha is written separately, so same as 1-channel case - case 1: - if (expand_mono) - stbiw__write3(s, d[0], d[0], d[0]); // monochrome bmp - else - stbiw__write1(s, d[0]); // monochrome TGA - break; - case 4: - if (!write_alpha) { - // composite against pink background - for (k = 0; k < 3; ++k) - px[k] = bg[k] + ((d[k] - bg[k]) * d[3]) / 255; - stbiw__write3(s, px[1 - rgb_dir], px[1], px[1 + rgb_dir]); - break; - } - /* FALLTHROUGH */ - case 3: - stbiw__write3(s, d[1 - rgb_dir], d[1], d[1 + rgb_dir]); - break; - } - if (write_alpha > 0) - stbiw__write1(s, d[comp - 1]); -} - -static void stbiw__write_pixels(stbi__write_context *s, int rgb_dir, int vdir, int x, int y, int comp, void *data, int write_alpha, int scanline_pad, int expand_mono) -{ - stbiw_uint32 zero = 0; - int i,j, j_end; - - if (y <= 0) - return; - - if (stbi__flip_vertically_on_write) - vdir *= -1; - - if (vdir < 0) { - j_end = -1; j = y-1; - } else { - j_end = y; j = 0; - } - - for (; j != j_end; j += vdir) { - for (i=0; i < x; ++i) { - unsigned char *d = (unsigned char *) data + (j*x+i)*comp; - stbiw__write_pixel(s, rgb_dir, comp, write_alpha, expand_mono, d); - } - stbiw__write_flush(s); - s->func(s->context, &zero, scanline_pad); - } -} - -static int stbiw__outfile(stbi__write_context *s, int rgb_dir, int vdir, int x, int y, int comp, int expand_mono, void *data, int alpha, int pad, const char *fmt, ...) -{ - if (y < 0 || x < 0) { - return 0; - } else { - va_list v; - va_start(v, fmt); - stbiw__writefv(s, fmt, v); - va_end(v); - stbiw__write_pixels(s,rgb_dir,vdir,x,y,comp,data,alpha,pad, expand_mono); - return 1; - } -} - -static int stbi_write_bmp_core(stbi__write_context *s, int x, int y, int comp, const void *data) -{ - if (comp != 4) { - // write RGB bitmap - int pad = (-x*3) & 3; - return stbiw__outfile(s,-1,-1,x,y,comp,1,(void *) data,0,pad, - "11 4 22 4" "4 44 22 444444", - 'B', 'M', 14+40+(x*3+pad)*y, 0,0, 14+40, // file header - 40, x,y, 1,24, 0,0,0,0,0,0); // bitmap header - } else { - // RGBA bitmaps need a v4 header - // use BI_BITFIELDS mode with 32bpp and alpha mask - // (straight BI_RGB with alpha mask doesn't work in most readers) - return stbiw__outfile(s,-1,-1,x,y,comp,1,(void *)data,1,0, - "11 4 22 4" "4 44 22 444444 4444 4 444 444 444 444", - 'B', 'M', 14+108+x*y*4, 0, 0, 14+108, // file header - 108, x,y, 1,32, 3,0,0,0,0,0, 0xff0000,0xff00,0xff,0xff000000u, 0, 0,0,0, 0,0,0, 0,0,0, 0,0,0); // bitmap V4 header - } -} - -STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) -{ - stbi__write_context s = { 0 }; - stbi__start_write_callbacks(&s, func, context); - return stbi_write_bmp_core(&s, x, y, comp, data); -} - -#ifndef STBI_WRITE_NO_STDIO -STBIWDEF int stbi_write_bmp(char const *filename, int x, int y, int comp, const void *data) -{ - stbi__write_context s = { 0 }; - if (stbi__start_write_file(&s,filename)) { - int r = stbi_write_bmp_core(&s, x, y, comp, data); - stbi__end_write_file(&s); - return r; - } else - return 0; -} -#endif //!STBI_WRITE_NO_STDIO - -static int stbi_write_tga_core(stbi__write_context *s, int x, int y, int comp, void *data) -{ - int has_alpha = (comp == 2 || comp == 4); - int colorbytes = has_alpha ? comp-1 : comp; - int format = colorbytes < 2 ? 3 : 2; // 3 color channels (RGB/RGBA) = 2, 1 color channel (Y/YA) = 3 - - if (y < 0 || x < 0) - return 0; - - if (!stbi_write_tga_with_rle) { - return stbiw__outfile(s, -1, -1, x, y, comp, 0, (void *) data, has_alpha, 0, - "111 221 2222 11", 0, 0, format, 0, 0, 0, 0, 0, x, y, (colorbytes + has_alpha) * 8, has_alpha * 8); - } else { - int i,j,k; - int jend, jdir; - - stbiw__writef(s, "111 221 2222 11", 0,0,format+8, 0,0,0, 0,0,x,y, (colorbytes + has_alpha) * 8, has_alpha * 8); - - if (stbi__flip_vertically_on_write) { - j = 0; - jend = y; - jdir = 1; - } else { - j = y-1; - jend = -1; - jdir = -1; - } - for (; j != jend; j += jdir) { - unsigned char *row = (unsigned char *) data + j * x * comp; - int len; - - for (i = 0; i < x; i += len) { - unsigned char *begin = row + i * comp; - int diff = 1; - len = 1; - - if (i < x - 1) { - ++len; - diff = memcmp(begin, row + (i + 1) * comp, comp); - if (diff) { - const unsigned char *prev = begin; - for (k = i + 2; k < x && len < 128; ++k) { - if (memcmp(prev, row + k * comp, comp)) { - prev += comp; - ++len; - } else { - --len; - break; - } - } - } else { - for (k = i + 2; k < x && len < 128; ++k) { - if (!memcmp(begin, row + k * comp, comp)) { - ++len; - } else { - break; - } - } - } - } - - if (diff) { - unsigned char header = STBIW_UCHAR(len - 1); - stbiw__write1(s, header); - for (k = 0; k < len; ++k) { - stbiw__write_pixel(s, -1, comp, has_alpha, 0, begin + k * comp); - } - } else { - unsigned char header = STBIW_UCHAR(len - 129); - stbiw__write1(s, header); - stbiw__write_pixel(s, -1, comp, has_alpha, 0, begin); - } - } - } - stbiw__write_flush(s); - } - return 1; -} - -STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) -{ - stbi__write_context s = { 0 }; - stbi__start_write_callbacks(&s, func, context); - return stbi_write_tga_core(&s, x, y, comp, (void *) data); -} - -#ifndef STBI_WRITE_NO_STDIO -STBIWDEF int stbi_write_tga(char const *filename, int x, int y, int comp, const void *data) -{ - stbi__write_context s = { 0 }; - if (stbi__start_write_file(&s,filename)) { - int r = stbi_write_tga_core(&s, x, y, comp, (void *) data); - stbi__end_write_file(&s); - return r; - } else - return 0; -} -#endif - -// ************************************************************************************************* -// Radiance RGBE HDR writer -// by Baldur Karlsson - -#define stbiw__max(a, b) ((a) > (b) ? (a) : (b)) - -#ifndef STBI_WRITE_NO_STDIO - -static void stbiw__linear_to_rgbe(unsigned char *rgbe, float *linear) -{ - int exponent; - float maxcomp = stbiw__max(linear[0], stbiw__max(linear[1], linear[2])); - - if (maxcomp < 1e-32f) { - rgbe[0] = rgbe[1] = rgbe[2] = rgbe[3] = 0; - } else { - float normalize = (float) frexp(maxcomp, &exponent) * 256.0f/maxcomp; - - rgbe[0] = (unsigned char)(linear[0] * normalize); - rgbe[1] = (unsigned char)(linear[1] * normalize); - rgbe[2] = (unsigned char)(linear[2] * normalize); - rgbe[3] = (unsigned char)(exponent + 128); - } -} - -static void stbiw__write_run_data(stbi__write_context *s, int length, unsigned char databyte) -{ - unsigned char lengthbyte = STBIW_UCHAR(length+128); - STBIW_ASSERT(length+128 <= 255); - s->func(s->context, &lengthbyte, 1); - s->func(s->context, &databyte, 1); -} - -static void stbiw__write_dump_data(stbi__write_context *s, int length, unsigned char *data) -{ - unsigned char lengthbyte = STBIW_UCHAR(length); - STBIW_ASSERT(length <= 128); // inconsistent with spec but consistent with official code - s->func(s->context, &lengthbyte, 1); - s->func(s->context, data, length); -} - -static void stbiw__write_hdr_scanline(stbi__write_context *s, int width, int ncomp, unsigned char *scratch, float *scanline) -{ - unsigned char scanlineheader[4] = { 2, 2, 0, 0 }; - unsigned char rgbe[4]; - float linear[3]; - int x; - - scanlineheader[2] = (width&0xff00)>>8; - scanlineheader[3] = (width&0x00ff); - - /* skip RLE for images too small or large */ - if (width < 8 || width >= 32768) { - for (x=0; x < width; x++) { - switch (ncomp) { - case 4: /* fallthrough */ - case 3: linear[2] = scanline[x*ncomp + 2]; - linear[1] = scanline[x*ncomp + 1]; - linear[0] = scanline[x*ncomp + 0]; - break; - default: - linear[0] = linear[1] = linear[2] = scanline[x*ncomp + 0]; - break; - } - stbiw__linear_to_rgbe(rgbe, linear); - s->func(s->context, rgbe, 4); - } - } else { - int c,r; - /* encode into scratch buffer */ - for (x=0; x < width; x++) { - switch(ncomp) { - case 4: /* fallthrough */ - case 3: linear[2] = scanline[x*ncomp + 2]; - linear[1] = scanline[x*ncomp + 1]; - linear[0] = scanline[x*ncomp + 0]; - break; - default: - linear[0] = linear[1] = linear[2] = scanline[x*ncomp + 0]; - break; - } - stbiw__linear_to_rgbe(rgbe, linear); - scratch[x + width*0] = rgbe[0]; - scratch[x + width*1] = rgbe[1]; - scratch[x + width*2] = rgbe[2]; - scratch[x + width*3] = rgbe[3]; - } - - s->func(s->context, scanlineheader, 4); - - /* RLE each component separately */ - for (c=0; c < 4; c++) { - unsigned char *comp = &scratch[width*c]; - - x = 0; - while (x < width) { - // find first run - r = x; - while (r+2 < width) { - if (comp[r] == comp[r+1] && comp[r] == comp[r+2]) - break; - ++r; - } - if (r+2 >= width) - r = width; - // dump up to first run - while (x < r) { - int len = r-x; - if (len > 128) len = 128; - stbiw__write_dump_data(s, len, &comp[x]); - x += len; - } - // if there's a run, output it - if (r+2 < width) { // same test as what we break out of in search loop, so only true if we break'd - // find next byte after run - while (r < width && comp[r] == comp[x]) - ++r; - // output run up to r - while (x < r) { - int len = r-x; - if (len > 127) len = 127; - stbiw__write_run_data(s, len, comp[x]); - x += len; - } - } - } - } - } -} - -static int stbi_write_hdr_core(stbi__write_context *s, int x, int y, int comp, float *data) -{ - if (y <= 0 || x <= 0 || data == NULL) - return 0; - else { - // Each component is stored separately. Allocate scratch space for full output scanline. - unsigned char *scratch = (unsigned char *) STBIW_MALLOC(x*4); - int i, len; - char buffer[128]; - char header[] = "#?RADIANCE\n# Written by stb_image_write.h\nFORMAT=32-bit_rle_rgbe\n"; - s->func(s->context, header, sizeof(header)-1); - -#ifdef __STDC_LIB_EXT1__ - len = sprintf_s(buffer, sizeof(buffer), "EXPOSURE= 1.0000000000000\n\n-Y %d +X %d\n", y, x); -#else - len = sprintf(buffer, "EXPOSURE= 1.0000000000000\n\n-Y %d +X %d\n", y, x); -#endif - s->func(s->context, buffer, len); - - for(i=0; i < y; i++) - stbiw__write_hdr_scanline(s, x, comp, scratch, data + comp*x*(stbi__flip_vertically_on_write ? y-1-i : i)); - STBIW_FREE(scratch); - return 1; - } -} - -STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) -{ - stbi__write_context s = { 0 }; - stbi__start_write_callbacks(&s, func, context); - return stbi_write_hdr_core(&s, x, y, comp, (float *) data); -} - -STBIWDEF int stbi_write_hdr(char const *filename, int x, int y, int comp, const float *data) -{ - stbi__write_context s = { 0 }; - if (stbi__start_write_file(&s,filename)) { - int r = stbi_write_hdr_core(&s, x, y, comp, (float *) data); - stbi__end_write_file(&s); - return r; - } else - return 0; -} -#endif // STBI_WRITE_NO_STDIO - - -////////////////////////////////////////////////////////////////////////////// -// -// PNG writer -// - -#ifndef STBIW_ZLIB_COMPRESS -// stretchy buffer; stbiw__sbpush() == vector<>::push_back() -- stbiw__sbcount() == vector<>::size() -#define stbiw__sbraw(a) ((int *) (void *) (a) - 2) -#define stbiw__sbm(a) stbiw__sbraw(a)[0] -#define stbiw__sbn(a) stbiw__sbraw(a)[1] - -#define stbiw__sbneedgrow(a,n) ((a)==0 || stbiw__sbn(a)+n >= stbiw__sbm(a)) -#define stbiw__sbmaybegrow(a,n) (stbiw__sbneedgrow(a,(n)) ? stbiw__sbgrow(a,n) : 0) -#define stbiw__sbgrow(a,n) stbiw__sbgrowf((void **) &(a), (n), sizeof(*(a))) - -#define stbiw__sbpush(a, v) (stbiw__sbmaybegrow(a,1), (a)[stbiw__sbn(a)++] = (v)) -#define stbiw__sbcount(a) ((a) ? stbiw__sbn(a) : 0) -#define stbiw__sbfree(a) ((a) ? STBIW_FREE(stbiw__sbraw(a)),0 : 0) - -static void *stbiw__sbgrowf(void **arr, int increment, int itemsize) -{ - int m = *arr ? 2*stbiw__sbm(*arr)+increment : increment+1; - void *p = STBIW_REALLOC_SIZED(*arr ? stbiw__sbraw(*arr) : 0, *arr ? (stbiw__sbm(*arr)*itemsize + sizeof(int)*2) : 0, itemsize * m + sizeof(int)*2); - STBIW_ASSERT(p); - if (p) { - if (!*arr) ((int *) p)[1] = 0; - *arr = (void *) ((int *) p + 2); - stbiw__sbm(*arr) = m; - } - return *arr; -} - -static unsigned char *stbiw__zlib_flushf(unsigned char *data, unsigned int *bitbuffer, int *bitcount) -{ - while (*bitcount >= 8) { - stbiw__sbpush(data, STBIW_UCHAR(*bitbuffer)); - *bitbuffer >>= 8; - *bitcount -= 8; - } - return data; -} - -static int stbiw__zlib_bitrev(int code, int codebits) -{ - int res=0; - while (codebits--) { - res = (res << 1) | (code & 1); - code >>= 1; - } - return res; -} - -static unsigned int stbiw__zlib_countm(unsigned char *a, unsigned char *b, int limit) -{ - int i; - for (i=0; i < limit && i < 258; ++i) - if (a[i] != b[i]) break; - return i; -} - -static unsigned int stbiw__zhash(unsigned char *data) -{ - stbiw_uint32 hash = data[0] + (data[1] << 8) + (data[2] << 16); - hash ^= hash << 3; - hash += hash >> 5; - hash ^= hash << 4; - hash += hash >> 17; - hash ^= hash << 25; - hash += hash >> 6; - return hash; -} - -#define stbiw__zlib_flush() (out = stbiw__zlib_flushf(out, &bitbuf, &bitcount)) -#define stbiw__zlib_add(code,codebits) \ - (bitbuf |= (code) << bitcount, bitcount += (codebits), stbiw__zlib_flush()) -#define stbiw__zlib_huffa(b,c) stbiw__zlib_add(stbiw__zlib_bitrev(b,c),c) -// default huffman tables -#define stbiw__zlib_huff1(n) stbiw__zlib_huffa(0x30 + (n), 8) -#define stbiw__zlib_huff2(n) stbiw__zlib_huffa(0x190 + (n)-144, 9) -#define stbiw__zlib_huff3(n) stbiw__zlib_huffa(0 + (n)-256,7) -#define stbiw__zlib_huff4(n) stbiw__zlib_huffa(0xc0 + (n)-280,8) -#define stbiw__zlib_huff(n) ((n) <= 143 ? stbiw__zlib_huff1(n) : (n) <= 255 ? stbiw__zlib_huff2(n) : (n) <= 279 ? stbiw__zlib_huff3(n) : stbiw__zlib_huff4(n)) -#define stbiw__zlib_huffb(n) ((n) <= 143 ? stbiw__zlib_huff1(n) : stbiw__zlib_huff2(n)) - -#define stbiw__ZHASH 16384 - -#endif // STBIW_ZLIB_COMPRESS - -STBIWDEF unsigned char * stbi_zlib_compress(unsigned char *data, int data_len, int *out_len, int quality) -{ -#ifdef STBIW_ZLIB_COMPRESS - // user provided a zlib compress implementation, use that - return STBIW_ZLIB_COMPRESS(data, data_len, out_len, quality); -#else // use builtin - static unsigned short lengthc[] = { 3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258, 259 }; - static unsigned char lengtheb[]= { 0,0,0,0,0,0,0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0 }; - static unsigned short distc[] = { 1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577, 32768 }; - static unsigned char disteb[] = { 0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13 }; - unsigned int bitbuf=0; - int i,j, bitcount=0; - unsigned char *out = NULL; - unsigned char ***hash_table = (unsigned char***) STBIW_MALLOC(stbiw__ZHASH * sizeof(unsigned char**)); - if (hash_table == NULL) - return NULL; - if (quality < 5) quality = 5; - - stbiw__sbpush(out, 0x78); // DEFLATE 32K window - stbiw__sbpush(out, 0x5e); // FLEVEL = 1 - stbiw__zlib_add(1,1); // BFINAL = 1 - stbiw__zlib_add(1,2); // BTYPE = 1 -- fixed huffman - - for (i=0; i < stbiw__ZHASH; ++i) - hash_table[i] = NULL; - - i=0; - while (i < data_len-3) { - // hash next 3 bytes of data to be compressed - int h = stbiw__zhash(data+i)&(stbiw__ZHASH-1), best=3; - unsigned char *bestloc = 0; - unsigned char **hlist = hash_table[h]; - int n = stbiw__sbcount(hlist); - for (j=0; j < n; ++j) { - if (hlist[j]-data > i-32768) { // if entry lies within window - int d = stbiw__zlib_countm(hlist[j], data+i, data_len-i); - if (d >= best) { best=d; bestloc=hlist[j]; } - } - } - // when hash table entry is too long, delete half the entries - if (hash_table[h] && stbiw__sbn(hash_table[h]) == 2*quality) { - STBIW_MEMMOVE(hash_table[h], hash_table[h]+quality, sizeof(hash_table[h][0])*quality); - stbiw__sbn(hash_table[h]) = quality; - } - stbiw__sbpush(hash_table[h],data+i); - - if (bestloc) { - // "lazy matching" - check match at *next* byte, and if it's better, do cur byte as literal - h = stbiw__zhash(data+i+1)&(stbiw__ZHASH-1); - hlist = hash_table[h]; - n = stbiw__sbcount(hlist); - for (j=0; j < n; ++j) { - if (hlist[j]-data > i-32767) { - int e = stbiw__zlib_countm(hlist[j], data+i+1, data_len-i-1); - if (e > best) { // if next match is better, bail on current match - bestloc = NULL; - break; - } - } - } - } - - if (bestloc) { - int d = (int) (data+i - bestloc); // distance back - STBIW_ASSERT(d <= 32767 && best <= 258); - for (j=0; best > lengthc[j+1]-1; ++j); - stbiw__zlib_huff(j+257); - if (lengtheb[j]) stbiw__zlib_add(best - lengthc[j], lengtheb[j]); - for (j=0; d > distc[j+1]-1; ++j); - stbiw__zlib_add(stbiw__zlib_bitrev(j,5),5); - if (disteb[j]) stbiw__zlib_add(d - distc[j], disteb[j]); - i += best; - } else { - stbiw__zlib_huffb(data[i]); - ++i; - } - } - // write out final bytes - for (;i < data_len; ++i) - stbiw__zlib_huffb(data[i]); - stbiw__zlib_huff(256); // end of block - // pad with 0 bits to byte boundary - while (bitcount) - stbiw__zlib_add(0,1); - - for (i=0; i < stbiw__ZHASH; ++i) - (void) stbiw__sbfree(hash_table[i]); - STBIW_FREE(hash_table); - - // store uncompressed instead if compression was worse - if (stbiw__sbn(out) > data_len + 2 + ((data_len+32766)/32767)*5) { - stbiw__sbn(out) = 2; // truncate to DEFLATE 32K window and FLEVEL = 1 - for (j = 0; j < data_len;) { - int blocklen = data_len - j; - if (blocklen > 32767) blocklen = 32767; - stbiw__sbpush(out, data_len - j == blocklen); // BFINAL = ?, BTYPE = 0 -- no compression - stbiw__sbpush(out, STBIW_UCHAR(blocklen)); // LEN - stbiw__sbpush(out, STBIW_UCHAR(blocklen >> 8)); - stbiw__sbpush(out, STBIW_UCHAR(~blocklen)); // NLEN - stbiw__sbpush(out, STBIW_UCHAR(~blocklen >> 8)); - memcpy(out+stbiw__sbn(out), data+j, blocklen); - stbiw__sbn(out) += blocklen; - j += blocklen; - } - } - - { - // compute adler32 on input - unsigned int s1=1, s2=0; - int blocklen = (int) (data_len % 5552); - j=0; - while (j < data_len) { - for (i=0; i < blocklen; ++i) { s1 += data[j+i]; s2 += s1; } - s1 %= 65521; s2 %= 65521; - j += blocklen; - blocklen = 5552; - } - stbiw__sbpush(out, STBIW_UCHAR(s2 >> 8)); - stbiw__sbpush(out, STBIW_UCHAR(s2)); - stbiw__sbpush(out, STBIW_UCHAR(s1 >> 8)); - stbiw__sbpush(out, STBIW_UCHAR(s1)); - } - *out_len = stbiw__sbn(out); - // make returned pointer freeable - STBIW_MEMMOVE(stbiw__sbraw(out), out, *out_len); - return (unsigned char *) stbiw__sbraw(out); -#endif // STBIW_ZLIB_COMPRESS -} - -static unsigned int stbiw__crc32(unsigned char *buffer, int len) -{ -#ifdef STBIW_CRC32 - return STBIW_CRC32(buffer, len); -#else - static unsigned int crc_table[256] = - { - 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3, - 0x0eDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, - 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, - 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5, - 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, - 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59, - 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F, - 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, - 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433, - 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01, - 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, - 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65, - 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB, - 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, - 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F, - 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD, - 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, - 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1, - 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7, - 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, - 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, - 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79, - 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, - 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D, - 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713, - 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, - 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777, - 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45, - 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, - 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9, - 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF, - 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D - }; - - unsigned int crc = ~0u; - int i; - for (i=0; i < len; ++i) - crc = (crc >> 8) ^ crc_table[buffer[i] ^ (crc & 0xff)]; - return ~crc; -#endif -} - -#define stbiw__wpng4(o,a,b,c,d) ((o)[0]=STBIW_UCHAR(a),(o)[1]=STBIW_UCHAR(b),(o)[2]=STBIW_UCHAR(c),(o)[3]=STBIW_UCHAR(d),(o)+=4) -#define stbiw__wp32(data,v) stbiw__wpng4(data, (v)>>24,(v)>>16,(v)>>8,(v)); -#define stbiw__wptag(data,s) stbiw__wpng4(data, s[0],s[1],s[2],s[3]) - -static void stbiw__wpcrc(unsigned char **data, int len) -{ - unsigned int crc = stbiw__crc32(*data - len - 4, len+4); - stbiw__wp32(*data, crc); -} - -static unsigned char stbiw__paeth(int a, int b, int c) -{ - int p = a + b - c, pa = abs(p-a), pb = abs(p-b), pc = abs(p-c); - if (pa <= pb && pa <= pc) return STBIW_UCHAR(a); - if (pb <= pc) return STBIW_UCHAR(b); - return STBIW_UCHAR(c); -} - -// @OPTIMIZE: provide an option that always forces left-predict or paeth predict -static void stbiw__encode_png_line(unsigned char *pixels, int stride_bytes, int width, int height, int y, int n, int filter_type, signed char *line_buffer) -{ - static int mapping[] = { 0,1,2,3,4 }; - static int firstmap[] = { 0,1,0,5,6 }; - int *mymap = (y != 0) ? mapping : firstmap; - int i; - int type = mymap[filter_type]; - unsigned char *z = pixels + stride_bytes * (stbi__flip_vertically_on_write ? height-1-y : y); - int signed_stride = stbi__flip_vertically_on_write ? -stride_bytes : stride_bytes; - - if (type==0) { - memcpy(line_buffer, z, width*n); - return; - } - - // first loop isn't optimized since it's just one pixel - for (i = 0; i < n; ++i) { - switch (type) { - case 1: line_buffer[i] = z[i]; break; - case 2: line_buffer[i] = z[i] - z[i-signed_stride]; break; - case 3: line_buffer[i] = z[i] - (z[i-signed_stride]>>1); break; - case 4: line_buffer[i] = (signed char) (z[i] - stbiw__paeth(0,z[i-signed_stride],0)); break; - case 5: line_buffer[i] = z[i]; break; - case 6: line_buffer[i] = z[i]; break; - } - } - switch (type) { - case 1: for (i=n; i < width*n; ++i) line_buffer[i] = z[i] - z[i-n]; break; - case 2: for (i=n; i < width*n; ++i) line_buffer[i] = z[i] - z[i-signed_stride]; break; - case 3: for (i=n; i < width*n; ++i) line_buffer[i] = z[i] - ((z[i-n] + z[i-signed_stride])>>1); break; - case 4: for (i=n; i < width*n; ++i) line_buffer[i] = z[i] - stbiw__paeth(z[i-n], z[i-signed_stride], z[i-signed_stride-n]); break; - case 5: for (i=n; i < width*n; ++i) line_buffer[i] = z[i] - (z[i-n]>>1); break; - case 6: for (i=n; i < width*n; ++i) line_buffer[i] = z[i] - stbiw__paeth(z[i-n], 0,0); break; - } -} - -STBIWDEF unsigned char *stbi_write_png_to_mem(const unsigned char *pixels, int stride_bytes, int x, int y, int n, int *out_len) -{ - int force_filter = stbi_write_force_png_filter; - int ctype[5] = { -1, 0, 4, 2, 6 }; - unsigned char sig[8] = { 137,80,78,71,13,10,26,10 }; - unsigned char *out,*o, *filt, *zlib; - signed char *line_buffer; - int j,zlen; - - if (stride_bytes == 0) - stride_bytes = x * n; - - if (force_filter >= 5) { - force_filter = -1; - } - - filt = (unsigned char *) STBIW_MALLOC((x*n+1) * y); if (!filt) return 0; - line_buffer = (signed char *) STBIW_MALLOC(x * n); if (!line_buffer) { STBIW_FREE(filt); return 0; } - for (j=0; j < y; ++j) { - int filter_type; - if (force_filter > -1) { - filter_type = force_filter; - stbiw__encode_png_line((unsigned char*)(pixels), stride_bytes, x, y, j, n, force_filter, line_buffer); - } else { // Estimate the best filter by running through all of them: - int best_filter = 0, best_filter_val = 0x7fffffff, est, i; - for (filter_type = 0; filter_type < 5; filter_type++) { - stbiw__encode_png_line((unsigned char*)(pixels), stride_bytes, x, y, j, n, filter_type, line_buffer); - - // Estimate the entropy of the line using this filter; the less, the better. - est = 0; - for (i = 0; i < x*n; ++i) { - est += abs((signed char) line_buffer[i]); - } - if (est < best_filter_val) { - best_filter_val = est; - best_filter = filter_type; - } - } - if (filter_type != best_filter) { // If the last iteration already got us the best filter, don't redo it - stbiw__encode_png_line((unsigned char*)(pixels), stride_bytes, x, y, j, n, best_filter, line_buffer); - filter_type = best_filter; - } - } - // when we get here, filter_type contains the filter type, and line_buffer contains the data - filt[j*(x*n+1)] = (unsigned char) filter_type; - STBIW_MEMMOVE(filt+j*(x*n+1)+1, line_buffer, x*n); - } - STBIW_FREE(line_buffer); - zlib = stbi_zlib_compress(filt, y*( x*n+1), &zlen, stbi_write_png_compression_level); - STBIW_FREE(filt); - if (!zlib) return 0; - - // each tag requires 12 bytes of overhead - out = (unsigned char *) STBIW_MALLOC(8 + 12+13 + 12+zlen + 12); - if (!out) return 0; - *out_len = 8 + 12+13 + 12+zlen + 12; - - o=out; - STBIW_MEMMOVE(o,sig,8); o+= 8; - stbiw__wp32(o, 13); // header length - stbiw__wptag(o, "IHDR"); - stbiw__wp32(o, x); - stbiw__wp32(o, y); - *o++ = 8; - *o++ = STBIW_UCHAR(ctype[n]); - *o++ = 0; - *o++ = 0; - *o++ = 0; - stbiw__wpcrc(&o,13); - - stbiw__wp32(o, zlen); - stbiw__wptag(o, "IDAT"); - STBIW_MEMMOVE(o, zlib, zlen); - o += zlen; - STBIW_FREE(zlib); - stbiw__wpcrc(&o, zlen); - - stbiw__wp32(o,0); - stbiw__wptag(o, "IEND"); - stbiw__wpcrc(&o,0); - - STBIW_ASSERT(o == out + *out_len); - - return out; -} - -#ifndef STBI_WRITE_NO_STDIO -STBIWDEF int stbi_write_png(char const *filename, int x, int y, int comp, const void *data, int stride_bytes) -{ - FILE *f; - int len; - unsigned char *png = stbi_write_png_to_mem((const unsigned char *) data, stride_bytes, x, y, comp, &len); - if (png == NULL) return 0; - - f = stbiw__fopen(filename, "wb"); - if (!f) { STBIW_FREE(png); return 0; } - fwrite(png, 1, len, f); - fclose(f); - STBIW_FREE(png); - return 1; -} -#endif - -STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) -{ - int len; - unsigned char *png = stbi_write_png_to_mem((const unsigned char *) data, stride_bytes, x, y, comp, &len); - if (png == NULL) return 0; - func(context, png, len); - STBIW_FREE(png); - return 1; -} - - -/* *************************************************************************** - * - * JPEG writer - * - * This is based on Jon Olick's jo_jpeg.cpp: - * public domain Simple, Minimalistic JPEG writer - http://www.jonolick.com/code.html - */ - -static const unsigned char stbiw__jpg_ZigZag[] = { 0,1,5,6,14,15,27,28,2,4,7,13,16,26,29,42,3,8,12,17,25,30,41,43,9,11,18, - 24,31,40,44,53,10,19,23,32,39,45,52,54,20,22,33,38,46,51,55,60,21,34,37,47,50,56,59,61,35,36,48,49,57,58,62,63 }; - -static void stbiw__jpg_writeBits(stbi__write_context *s, int *bitBufP, int *bitCntP, const unsigned short *bs) { - int bitBuf = *bitBufP, bitCnt = *bitCntP; - bitCnt += bs[1]; - bitBuf |= bs[0] << (24 - bitCnt); - while(bitCnt >= 8) { - unsigned char c = (bitBuf >> 16) & 255; - stbiw__putc(s, c); - if(c == 255) { - stbiw__putc(s, 0); - } - bitBuf <<= 8; - bitCnt -= 8; - } - *bitBufP = bitBuf; - *bitCntP = bitCnt; -} - -static void stbiw__jpg_DCT(float *d0p, float *d1p, float *d2p, float *d3p, float *d4p, float *d5p, float *d6p, float *d7p) { - float d0 = *d0p, d1 = *d1p, d2 = *d2p, d3 = *d3p, d4 = *d4p, d5 = *d5p, d6 = *d6p, d7 = *d7p; - float z1, z2, z3, z4, z5, z11, z13; - - float tmp0 = d0 + d7; - float tmp7 = d0 - d7; - float tmp1 = d1 + d6; - float tmp6 = d1 - d6; - float tmp2 = d2 + d5; - float tmp5 = d2 - d5; - float tmp3 = d3 + d4; - float tmp4 = d3 - d4; - - // Even part - float tmp10 = tmp0 + tmp3; // phase 2 - float tmp13 = tmp0 - tmp3; - float tmp11 = tmp1 + tmp2; - float tmp12 = tmp1 - tmp2; - - d0 = tmp10 + tmp11; // phase 3 - d4 = tmp10 - tmp11; - - z1 = (tmp12 + tmp13) * 0.707106781f; // c4 - d2 = tmp13 + z1; // phase 5 - d6 = tmp13 - z1; - - // Odd part - tmp10 = tmp4 + tmp5; // phase 2 - tmp11 = tmp5 + tmp6; - tmp12 = tmp6 + tmp7; - - // The rotator is modified from fig 4-8 to avoid extra negations. - z5 = (tmp10 - tmp12) * 0.382683433f; // c6 - z2 = tmp10 * 0.541196100f + z5; // c2-c6 - z4 = tmp12 * 1.306562965f + z5; // c2+c6 - z3 = tmp11 * 0.707106781f; // c4 - - z11 = tmp7 + z3; // phase 5 - z13 = tmp7 - z3; - - *d5p = z13 + z2; // phase 6 - *d3p = z13 - z2; - *d1p = z11 + z4; - *d7p = z11 - z4; - - *d0p = d0; *d2p = d2; *d4p = d4; *d6p = d6; -} - -static void stbiw__jpg_calcBits(int val, unsigned short bits[2]) { - int tmp1 = val < 0 ? -val : val; - val = val < 0 ? val-1 : val; - bits[1] = 1; - while(tmp1 >>= 1) { - ++bits[1]; - } - bits[0] = val & ((1<<bits[1])-1); -} - -static int stbiw__jpg_processDU(stbi__write_context *s, int *bitBuf, int *bitCnt, float *CDU, int du_stride, float *fdtbl, int DC, const unsigned short HTDC[256][2], const unsigned short HTAC[256][2]) { - const unsigned short EOB[2] = { HTAC[0x00][0], HTAC[0x00][1] }; - const unsigned short M16zeroes[2] = { HTAC[0xF0][0], HTAC[0xF0][1] }; - int dataOff, i, j, n, diff, end0pos, x, y; - int DU[64]; - - // DCT rows - for(dataOff=0, n=du_stride*8; dataOff<n; dataOff+=du_stride) { - stbiw__jpg_DCT(&CDU[dataOff], &CDU[dataOff+1], &CDU[dataOff+2], &CDU[dataOff+3], &CDU[dataOff+4], &CDU[dataOff+5], &CDU[dataOff+6], &CDU[dataOff+7]); - } - // DCT columns - for(dataOff=0; dataOff<8; ++dataOff) { - stbiw__jpg_DCT(&CDU[dataOff], &CDU[dataOff+du_stride], &CDU[dataOff+du_stride*2], &CDU[dataOff+du_stride*3], &CDU[dataOff+du_stride*4], - &CDU[dataOff+du_stride*5], &CDU[dataOff+du_stride*6], &CDU[dataOff+du_stride*7]); - } - // Quantize/descale/zigzag the coefficients - for(y = 0, j=0; y < 8; ++y) { - for(x = 0; x < 8; ++x,++j) { - float v; - i = y*du_stride+x; - v = CDU[i]*fdtbl[j]; - // DU[stbiw__jpg_ZigZag[j]] = (int)(v < 0 ? ceilf(v - 0.5f) : floorf(v + 0.5f)); - // ceilf() and floorf() are C99, not C89, but I /think/ they're not needed here anyway? - DU[stbiw__jpg_ZigZag[j]] = (int)(v < 0 ? v - 0.5f : v + 0.5f); - } - } - - // Encode DC - diff = DU[0] - DC; - if (diff == 0) { - stbiw__jpg_writeBits(s, bitBuf, bitCnt, HTDC[0]); - } else { - unsigned short bits[2]; - stbiw__jpg_calcBits(diff, bits); - stbiw__jpg_writeBits(s, bitBuf, bitCnt, HTDC[bits[1]]); - stbiw__jpg_writeBits(s, bitBuf, bitCnt, bits); - } - // Encode ACs - end0pos = 63; - for(; (end0pos>0)&&(DU[end0pos]==0); --end0pos) { - } - // end0pos = first element in reverse order !=0 - if(end0pos == 0) { - stbiw__jpg_writeBits(s, bitBuf, bitCnt, EOB); - return DU[0]; - } - for(i = 1; i <= end0pos; ++i) { - int startpos = i; - int nrzeroes; - unsigned short bits[2]; - for (; DU[i]==0 && i<=end0pos; ++i) { - } - nrzeroes = i-startpos; - if ( nrzeroes >= 16 ) { - int lng = nrzeroes>>4; - int nrmarker; - for (nrmarker=1; nrmarker <= lng; ++nrmarker) - stbiw__jpg_writeBits(s, bitBuf, bitCnt, M16zeroes); - nrzeroes &= 15; - } - stbiw__jpg_calcBits(DU[i], bits); - stbiw__jpg_writeBits(s, bitBuf, bitCnt, HTAC[(nrzeroes<<4)+bits[1]]); - stbiw__jpg_writeBits(s, bitBuf, bitCnt, bits); - } - if(end0pos != 63) { - stbiw__jpg_writeBits(s, bitBuf, bitCnt, EOB); - } - return DU[0]; -} - -static int stbi_write_jpg_core(stbi__write_context *s, int width, int height, int comp, const void* data, int quality) { - // Constants that don't pollute global namespace - static const unsigned char std_dc_luminance_nrcodes[] = {0,0,1,5,1,1,1,1,1,1,0,0,0,0,0,0,0}; - static const unsigned char std_dc_luminance_values[] = {0,1,2,3,4,5,6,7,8,9,10,11}; - static const unsigned char std_ac_luminance_nrcodes[] = {0,0,2,1,3,3,2,4,3,5,5,4,4,0,0,1,0x7d}; - static const unsigned char std_ac_luminance_values[] = { - 0x01,0x02,0x03,0x00,0x04,0x11,0x05,0x12,0x21,0x31,0x41,0x06,0x13,0x51,0x61,0x07,0x22,0x71,0x14,0x32,0x81,0x91,0xa1,0x08, - 0x23,0x42,0xb1,0xc1,0x15,0x52,0xd1,0xf0,0x24,0x33,0x62,0x72,0x82,0x09,0x0a,0x16,0x17,0x18,0x19,0x1a,0x25,0x26,0x27,0x28, - 0x29,0x2a,0x34,0x35,0x36,0x37,0x38,0x39,0x3a,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4a,0x53,0x54,0x55,0x56,0x57,0x58,0x59, - 0x5a,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6a,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7a,0x83,0x84,0x85,0x86,0x87,0x88,0x89, - 0x8a,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9a,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7,0xa8,0xa9,0xaa,0xb2,0xb3,0xb4,0xb5,0xb6, - 0xb7,0xb8,0xb9,0xba,0xc2,0xc3,0xc4,0xc5,0xc6,0xc7,0xc8,0xc9,0xca,0xd2,0xd3,0xd4,0xd5,0xd6,0xd7,0xd8,0xd9,0xda,0xe1,0xe2, - 0xe3,0xe4,0xe5,0xe6,0xe7,0xe8,0xe9,0xea,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,0xfa - }; - static const unsigned char std_dc_chrominance_nrcodes[] = {0,0,3,1,1,1,1,1,1,1,1,1,0,0,0,0,0}; - static const unsigned char std_dc_chrominance_values[] = {0,1,2,3,4,5,6,7,8,9,10,11}; - static const unsigned char std_ac_chrominance_nrcodes[] = {0,0,2,1,2,4,4,3,4,7,5,4,4,0,1,2,0x77}; - static const unsigned char std_ac_chrominance_values[] = { - 0x00,0x01,0x02,0x03,0x11,0x04,0x05,0x21,0x31,0x06,0x12,0x41,0x51,0x07,0x61,0x71,0x13,0x22,0x32,0x81,0x08,0x14,0x42,0x91, - 0xa1,0xb1,0xc1,0x09,0x23,0x33,0x52,0xf0,0x15,0x62,0x72,0xd1,0x0a,0x16,0x24,0x34,0xe1,0x25,0xf1,0x17,0x18,0x19,0x1a,0x26, - 0x27,0x28,0x29,0x2a,0x35,0x36,0x37,0x38,0x39,0x3a,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4a,0x53,0x54,0x55,0x56,0x57,0x58, - 0x59,0x5a,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6a,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7a,0x82,0x83,0x84,0x85,0x86,0x87, - 0x88,0x89,0x8a,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9a,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7,0xa8,0xa9,0xaa,0xb2,0xb3,0xb4, - 0xb5,0xb6,0xb7,0xb8,0xb9,0xba,0xc2,0xc3,0xc4,0xc5,0xc6,0xc7,0xc8,0xc9,0xca,0xd2,0xd3,0xd4,0xd5,0xd6,0xd7,0xd8,0xd9,0xda, - 0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,0xe8,0xe9,0xea,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,0xfa - }; - // Huffman tables - static const unsigned short YDC_HT[256][2] = { {0,2},{2,3},{3,3},{4,3},{5,3},{6,3},{14,4},{30,5},{62,6},{126,7},{254,8},{510,9}}; - static const unsigned short UVDC_HT[256][2] = { {0,2},{1,2},{2,2},{6,3},{14,4},{30,5},{62,6},{126,7},{254,8},{510,9},{1022,10},{2046,11}}; - static const unsigned short YAC_HT[256][2] = { - {10,4},{0,2},{1,2},{4,3},{11,4},{26,5},{120,7},{248,8},{1014,10},{65410,16},{65411,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {12,4},{27,5},{121,7},{502,9},{2038,11},{65412,16},{65413,16},{65414,16},{65415,16},{65416,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {28,5},{249,8},{1015,10},{4084,12},{65417,16},{65418,16},{65419,16},{65420,16},{65421,16},{65422,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {58,6},{503,9},{4085,12},{65423,16},{65424,16},{65425,16},{65426,16},{65427,16},{65428,16},{65429,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {59,6},{1016,10},{65430,16},{65431,16},{65432,16},{65433,16},{65434,16},{65435,16},{65436,16},{65437,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {122,7},{2039,11},{65438,16},{65439,16},{65440,16},{65441,16},{65442,16},{65443,16},{65444,16},{65445,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {123,7},{4086,12},{65446,16},{65447,16},{65448,16},{65449,16},{65450,16},{65451,16},{65452,16},{65453,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {250,8},{4087,12},{65454,16},{65455,16},{65456,16},{65457,16},{65458,16},{65459,16},{65460,16},{65461,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {504,9},{32704,15},{65462,16},{65463,16},{65464,16},{65465,16},{65466,16},{65467,16},{65468,16},{65469,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {505,9},{65470,16},{65471,16},{65472,16},{65473,16},{65474,16},{65475,16},{65476,16},{65477,16},{65478,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {506,9},{65479,16},{65480,16},{65481,16},{65482,16},{65483,16},{65484,16},{65485,16},{65486,16},{65487,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {1017,10},{65488,16},{65489,16},{65490,16},{65491,16},{65492,16},{65493,16},{65494,16},{65495,16},{65496,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {1018,10},{65497,16},{65498,16},{65499,16},{65500,16},{65501,16},{65502,16},{65503,16},{65504,16},{65505,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {2040,11},{65506,16},{65507,16},{65508,16},{65509,16},{65510,16},{65511,16},{65512,16},{65513,16},{65514,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {65515,16},{65516,16},{65517,16},{65518,16},{65519,16},{65520,16},{65521,16},{65522,16},{65523,16},{65524,16},{0,0},{0,0},{0,0},{0,0},{0,0}, - {2041,11},{65525,16},{65526,16},{65527,16},{65528,16},{65529,16},{65530,16},{65531,16},{65532,16},{65533,16},{65534,16},{0,0},{0,0},{0,0},{0,0},{0,0} - }; - static const unsigned short UVAC_HT[256][2] = { - {0,2},{1,2},{4,3},{10,4},{24,5},{25,5},{56,6},{120,7},{500,9},{1014,10},{4084,12},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {11,4},{57,6},{246,8},{501,9},{2038,11},{4085,12},{65416,16},{65417,16},{65418,16},{65419,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {26,5},{247,8},{1015,10},{4086,12},{32706,15},{65420,16},{65421,16},{65422,16},{65423,16},{65424,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {27,5},{248,8},{1016,10},{4087,12},{65425,16},{65426,16},{65427,16},{65428,16},{65429,16},{65430,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {58,6},{502,9},{65431,16},{65432,16},{65433,16},{65434,16},{65435,16},{65436,16},{65437,16},{65438,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {59,6},{1017,10},{65439,16},{65440,16},{65441,16},{65442,16},{65443,16},{65444,16},{65445,16},{65446,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {121,7},{2039,11},{65447,16},{65448,16},{65449,16},{65450,16},{65451,16},{65452,16},{65453,16},{65454,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {122,7},{2040,11},{65455,16},{65456,16},{65457,16},{65458,16},{65459,16},{65460,16},{65461,16},{65462,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {249,8},{65463,16},{65464,16},{65465,16},{65466,16},{65467,16},{65468,16},{65469,16},{65470,16},{65471,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {503,9},{65472,16},{65473,16},{65474,16},{65475,16},{65476,16},{65477,16},{65478,16},{65479,16},{65480,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {504,9},{65481,16},{65482,16},{65483,16},{65484,16},{65485,16},{65486,16},{65487,16},{65488,16},{65489,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {505,9},{65490,16},{65491,16},{65492,16},{65493,16},{65494,16},{65495,16},{65496,16},{65497,16},{65498,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {506,9},{65499,16},{65500,16},{65501,16},{65502,16},{65503,16},{65504,16},{65505,16},{65506,16},{65507,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {2041,11},{65508,16},{65509,16},{65510,16},{65511,16},{65512,16},{65513,16},{65514,16},{65515,16},{65516,16},{0,0},{0,0},{0,0},{0,0},{0,0},{0,0}, - {16352,14},{65517,16},{65518,16},{65519,16},{65520,16},{65521,16},{65522,16},{65523,16},{65524,16},{65525,16},{0,0},{0,0},{0,0},{0,0},{0,0}, - {1018,10},{32707,15},{65526,16},{65527,16},{65528,16},{65529,16},{65530,16},{65531,16},{65532,16},{65533,16},{65534,16},{0,0},{0,0},{0,0},{0,0},{0,0} - }; - static const int YQT[] = {16,11,10,16,24,40,51,61,12,12,14,19,26,58,60,55,14,13,16,24,40,57,69,56,14,17,22,29,51,87,80,62,18,22, - 37,56,68,109,103,77,24,35,55,64,81,104,113,92,49,64,78,87,103,121,120,101,72,92,95,98,112,100,103,99}; - static const int UVQT[] = {17,18,24,47,99,99,99,99,18,21,26,66,99,99,99,99,24,26,56,99,99,99,99,99,47,66,99,99,99,99,99,99, - 99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99}; - static const float aasf[] = { 1.0f * 2.828427125f, 1.387039845f * 2.828427125f, 1.306562965f * 2.828427125f, 1.175875602f * 2.828427125f, - 1.0f * 2.828427125f, 0.785694958f * 2.828427125f, 0.541196100f * 2.828427125f, 0.275899379f * 2.828427125f }; - - int row, col, i, k, subsample; - float fdtbl_Y[64], fdtbl_UV[64]; - unsigned char YTable[64], UVTable[64]; - - if(!data || !width || !height || comp > 4 || comp < 1) { - return 0; - } - - quality = quality ? quality : 90; - subsample = quality <= 90 ? 1 : 0; - quality = quality < 1 ? 1 : quality > 100 ? 100 : quality; - quality = quality < 50 ? 5000 / quality : 200 - quality * 2; - - for(i = 0; i < 64; ++i) { - int uvti, yti = (YQT[i]*quality+50)/100; - YTable[stbiw__jpg_ZigZag[i]] = (unsigned char) (yti < 1 ? 1 : yti > 255 ? 255 : yti); - uvti = (UVQT[i]*quality+50)/100; - UVTable[stbiw__jpg_ZigZag[i]] = (unsigned char) (uvti < 1 ? 1 : uvti > 255 ? 255 : uvti); - } - - for(row = 0, k = 0; row < 8; ++row) { - for(col = 0; col < 8; ++col, ++k) { - fdtbl_Y[k] = 1 / (YTable [stbiw__jpg_ZigZag[k]] * aasf[row] * aasf[col]); - fdtbl_UV[k] = 1 / (UVTable[stbiw__jpg_ZigZag[k]] * aasf[row] * aasf[col]); - } - } - - // Write Headers - { - static const unsigned char head0[] = { 0xFF,0xD8,0xFF,0xE0,0,0x10,'J','F','I','F',0,1,1,0,0,1,0,1,0,0,0xFF,0xDB,0,0x84,0 }; - static const unsigned char head2[] = { 0xFF,0xDA,0,0xC,3,1,0,2,0x11,3,0x11,0,0x3F,0 }; - const unsigned char head1[] = { 0xFF,0xC0,0,0x11,8,(unsigned char)(height>>8),STBIW_UCHAR(height),(unsigned char)(width>>8),STBIW_UCHAR(width), - 3,1,(unsigned char)(subsample?0x22:0x11),0,2,0x11,1,3,0x11,1,0xFF,0xC4,0x01,0xA2,0 }; - s->func(s->context, (void*)head0, sizeof(head0)); - s->func(s->context, (void*)YTable, sizeof(YTable)); - stbiw__putc(s, 1); - s->func(s->context, UVTable, sizeof(UVTable)); - s->func(s->context, (void*)head1, sizeof(head1)); - s->func(s->context, (void*)(std_dc_luminance_nrcodes+1), sizeof(std_dc_luminance_nrcodes)-1); - s->func(s->context, (void*)std_dc_luminance_values, sizeof(std_dc_luminance_values)); - stbiw__putc(s, 0x10); // HTYACinfo - s->func(s->context, (void*)(std_ac_luminance_nrcodes+1), sizeof(std_ac_luminance_nrcodes)-1); - s->func(s->context, (void*)std_ac_luminance_values, sizeof(std_ac_luminance_values)); - stbiw__putc(s, 1); // HTUDCinfo - s->func(s->context, (void*)(std_dc_chrominance_nrcodes+1), sizeof(std_dc_chrominance_nrcodes)-1); - s->func(s->context, (void*)std_dc_chrominance_values, sizeof(std_dc_chrominance_values)); - stbiw__putc(s, 0x11); // HTUACinfo - s->func(s->context, (void*)(std_ac_chrominance_nrcodes+1), sizeof(std_ac_chrominance_nrcodes)-1); - s->func(s->context, (void*)std_ac_chrominance_values, sizeof(std_ac_chrominance_values)); - s->func(s->context, (void*)head2, sizeof(head2)); - } - - // Encode 8x8 macroblocks - { - static const unsigned short fillBits[] = {0x7F, 7}; - int DCY=0, DCU=0, DCV=0; - int bitBuf=0, bitCnt=0; - // comp == 2 is grey+alpha (alpha is ignored) - int ofsG = comp > 2 ? 1 : 0, ofsB = comp > 2 ? 2 : 0; - const unsigned char *dataR = (const unsigned char *)data; - const unsigned char *dataG = dataR + ofsG; - const unsigned char *dataB = dataR + ofsB; - int x, y, pos; - if(subsample) { - for(y = 0; y < height; y += 16) { - for(x = 0; x < width; x += 16) { - float Y[256], U[256], V[256]; - for(row = y, pos = 0; row < y+16; ++row) { - // row >= height => use last input row - int clamped_row = (row < height) ? row : height - 1; - int base_p = (stbi__flip_vertically_on_write ? (height-1-clamped_row) : clamped_row)*width*comp; - for(col = x; col < x+16; ++col, ++pos) { - // if col >= width => use pixel from last input column - int p = base_p + ((col < width) ? col : (width-1))*comp; - float r = dataR[p], g = dataG[p], b = dataB[p]; - Y[pos]= +0.29900f*r + 0.58700f*g + 0.11400f*b - 128; - U[pos]= -0.16874f*r - 0.33126f*g + 0.50000f*b; - V[pos]= +0.50000f*r - 0.41869f*g - 0.08131f*b; - } - } - DCY = stbiw__jpg_processDU(s, &bitBuf, &bitCnt, Y+0, 16, fdtbl_Y, DCY, YDC_HT, YAC_HT); - DCY = stbiw__jpg_processDU(s, &bitBuf, &bitCnt, Y+8, 16, fdtbl_Y, DCY, YDC_HT, YAC_HT); - DCY = stbiw__jpg_processDU(s, &bitBuf, &bitCnt, Y+128, 16, fdtbl_Y, DCY, YDC_HT, YAC_HT); - DCY = stbiw__jpg_processDU(s, &bitBuf, &bitCnt, Y+136, 16, fdtbl_Y, DCY, YDC_HT, YAC_HT); - - // subsample U,V - { - float subU[64], subV[64]; - int yy, xx; - for(yy = 0, pos = 0; yy < 8; ++yy) { - for(xx = 0; xx < 8; ++xx, ++pos) { - int j = yy*32+xx*2; - subU[pos] = (U[j+0] + U[j+1] + U[j+16] + U[j+17]) * 0.25f; - subV[pos] = (V[j+0] + V[j+1] + V[j+16] + V[j+17]) * 0.25f; - } - } - DCU = stbiw__jpg_processDU(s, &bitBuf, &bitCnt, subU, 8, fdtbl_UV, DCU, UVDC_HT, UVAC_HT); - DCV = stbiw__jpg_processDU(s, &bitBuf, &bitCnt, subV, 8, fdtbl_UV, DCV, UVDC_HT, UVAC_HT); - } - } - } - } else { - for(y = 0; y < height; y += 8) { - for(x = 0; x < width; x += 8) { - float Y[64], U[64], V[64]; - for(row = y, pos = 0; row < y+8; ++row) { - // row >= height => use last input row - int clamped_row = (row < height) ? row : height - 1; - int base_p = (stbi__flip_vertically_on_write ? (height-1-clamped_row) : clamped_row)*width*comp; - for(col = x; col < x+8; ++col, ++pos) { - // if col >= width => use pixel from last input column - int p = base_p + ((col < width) ? col : (width-1))*comp; - float r = dataR[p], g = dataG[p], b = dataB[p]; - Y[pos]= +0.29900f*r + 0.58700f*g + 0.11400f*b - 128; - U[pos]= -0.16874f*r - 0.33126f*g + 0.50000f*b; - V[pos]= +0.50000f*r - 0.41869f*g - 0.08131f*b; - } - } - - DCY = stbiw__jpg_processDU(s, &bitBuf, &bitCnt, Y, 8, fdtbl_Y, DCY, YDC_HT, YAC_HT); - DCU = stbiw__jpg_processDU(s, &bitBuf, &bitCnt, U, 8, fdtbl_UV, DCU, UVDC_HT, UVAC_HT); - DCV = stbiw__jpg_processDU(s, &bitBuf, &bitCnt, V, 8, fdtbl_UV, DCV, UVDC_HT, UVAC_HT); - } - } - } - - // Do the bit alignment of the EOI marker - stbiw__jpg_writeBits(s, &bitBuf, &bitCnt, fillBits); - } - - // EOI - stbiw__putc(s, 0xFF); - stbiw__putc(s, 0xD9); - - return 1; -} - -STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) -{ - stbi__write_context s = { 0 }; - stbi__start_write_callbacks(&s, func, context); - return stbi_write_jpg_core(&s, x, y, comp, (void *) data, quality); -} - - -#ifndef STBI_WRITE_NO_STDIO -STBIWDEF int stbi_write_jpg(char const *filename, int x, int y, int comp, const void *data, int quality) -{ - stbi__write_context s = { 0 }; - if (stbi__start_write_file(&s,filename)) { - int r = stbi_write_jpg_core(&s, x, y, comp, data, quality); - stbi__end_write_file(&s); - return r; - } else - return 0; -} -#endif - -#endif // STB_IMAGE_WRITE_IMPLEMENTATION - -/* Revision history - 1.16 (2021-07-11) - make Deflate code emit uncompressed blocks when it would otherwise expand - support writing BMPs with alpha channel - 1.15 (2020-07-13) unknown - 1.14 (2020-02-02) updated JPEG writer to downsample chroma channels - 1.13 - 1.12 - 1.11 (2019-08-11) - - 1.10 (2019-02-07) - support utf8 filenames in Windows; fix warnings and platform ifdefs - 1.09 (2018-02-11) - fix typo in zlib quality API, improve STB_I_W_STATIC in C++ - 1.08 (2018-01-29) - add stbi__flip_vertically_on_write, external zlib, zlib quality, choose PNG filter - 1.07 (2017-07-24) - doc fix - 1.06 (2017-07-23) - writing JPEG (using Jon Olick's code) - 1.05 ??? - 1.04 (2017-03-03) - monochrome BMP expansion - 1.03 ??? - 1.02 (2016-04-02) - avoid allocating large structures on the stack - 1.01 (2016-01-16) - STBIW_REALLOC_SIZED: support allocators with no realloc support - avoid race-condition in crc initialization - minor compile issues - 1.00 (2015-09-14) - installable file IO function - 0.99 (2015-09-13) - warning fixes; TGA rle support - 0.98 (2015-04-08) - added STBIW_MALLOC, STBIW_ASSERT etc - 0.97 (2015-01-18) - fixed HDR asserts, rewrote HDR rle logic - 0.96 (2015-01-17) - add HDR output - fix monochrome BMP - 0.95 (2014-08-17) - add monochrome TGA output - 0.94 (2014-05-31) - rename private functions to avoid conflicts with stb_image.h - 0.93 (2014-05-27) - warning fixes - 0.92 (2010-08-01) - casts to unsigned char to fix warnings - 0.91 (2010-07-17) - first public release - 0.90 first internal release -*/ - -/* ------------------------------------------------------------------------------- -This software is available under 2 licenses -- choose whichever you prefer. ------------------------------------------------------------------------------- -ALTERNATIVE A - MIT License -Copyright (c) 2017 Sean Barrett -Permission is hereby granted, free of charge, to any person obtaining a copy of -this software and associated documentation files (the "Software"), to deal in -the Software without restriction, including without limitation the rights to -use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies -of the Software, and to permit persons to whom the Software is furnished to do -so, subject to the following conditions: -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. ------------------------------------------------------------------------------- -ALTERNATIVE B - Public Domain (www.unlicense.org) -This is free and unencumbered software released into the public domain. -Anyone is free to copy, modify, publish, use, compile, sell, or distribute this -software, either in source code form or as a compiled binary, for any purpose, -commercial or non-commercial, and by any means. -In jurisdictions that recognize copyright laws, the author or authors of this -software dedicate any and all copyright interest in the software to the public -domain. We make this dedication for the benefit of the public at large and to -the detriment of our heirs and successors. We intend this dedication to be an -overt act of relinquishment in perpetuity of all present and future rights to -this software under copyright law. -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN -ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION -WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ------------------------------------------------------------------------------- -*/ diff --git a/subprojects/stela.wrap b/subprojects/stela.wrap new file mode 100644 index 0000000..7807a8c --- /dev/null +++ b/subprojects/stela.wrap @@ -0,0 +1,4 @@ +[wrap-git] +url = https://git.akon.city/stela +revision = master +depth = 1 diff --git a/taro/attic/sway_background_covered.diff b/taro/attic/sway_background_covered.diff new file mode 100644 index 0000000..fe375e2 --- /dev/null +++ b/taro/attic/sway_background_covered.diff @@ -0,0 +1,314 @@ +diff --git a/include/ipc.h b/include/ipc.h +index ff011750..e417b421 100644 +--- a/include/ipc.h ++++ b/include/ipc.h +@@ -29,9 +29,10 @@ enum ipc_command_type { + IPC_EVENT_MODE = ((1<<31) | 2), + IPC_EVENT_WINDOW = ((1<<31) | 3), + IPC_EVENT_BARCONFIG_UPDATE = ((1<<31) | 4), +- IPC_EVENT_BINDING = ((1<<31) | 5), +- IPC_EVENT_SHUTDOWN = ((1<<31) | 6), +- IPC_EVENT_TICK = ((1<<31) | 7), ++ IPC_EVENT_BACKGROUND_COVERED = ((1<<31) | 5), ++ IPC_EVENT_BINDING = ((1<<31) | 6), ++ IPC_EVENT_SHUTDOWN = ((1<<31) | 7), ++ IPC_EVENT_TICK = ((1<<31) | 8), + + // sway-specific event types + IPC_EVENT_BAR_STATE_UPDATE = ((1<<31) | 20), +diff --git a/include/sway/ipc-server.h b/include/sway/ipc-server.h +index d4c00942..41e00679 100644 +--- a/include/sway/ipc-server.h ++++ b/include/sway/ipc-server.h +@@ -17,6 +17,7 @@ void ipc_event_workspace(struct sway_workspace *old, + void ipc_event_window(struct sway_container *window, const char *change); + void ipc_event_barconfig_update(struct bar_config *bar); + void ipc_event_bar_state_update(struct bar_config *bar); ++void ipc_event_background_covered(struct sway_output *output, bool covered); + void ipc_event_mode(const char *mode, bool pango); + void ipc_event_shutdown(const char *reason); + void ipc_event_binding(struct sway_binding *binding); +diff --git a/include/sway/output.h b/include/sway/output.h +index 4584ea45..83e3cd7f 100644 +--- a/include/sway/output.h ++++ b/include/sway/output.h +@@ -53,6 +53,8 @@ struct sway_output { + bool enabled; + list_t *workspaces; + ++ bool background_covered; ++ + struct sway_output_state current; + + struct wl_listener layout_destroy; +diff --git a/include/sway/tree/workspace.h b/include/sway/tree/workspace.h +index 58bde20c..1fcd5017 100644 +--- a/include/sway/tree/workspace.h ++++ b/include/sway/tree/workspace.h +@@ -40,6 +40,9 @@ struct sway_workspace { + enum sway_container_layout layout; + enum sway_container_layout prev_split_layout; + ++ bool background_covered; ++ bool pending_background_check; ++ + struct side_gaps current_gaps; + int gaps_inner; + struct side_gaps gaps_outer; +@@ -47,6 +50,7 @@ struct sway_workspace { + struct sway_output *output; // NULL if no outputs are connected + list_t *floating; // struct sway_container + list_t *tiling; // struct sway_container ++ list_t *sorted; // struct sway_container + list_t *output_priority; + bool urgent; + +@@ -89,6 +93,8 @@ bool workspace_is_visible(struct sway_workspace *ws); + + bool workspace_is_empty(struct sway_workspace *ws); + ++void workspace_check_background_covered(struct sway_workspace *ws); ++ + void workspace_output_raise_priority(struct sway_workspace *workspace, + struct sway_output *old_output, struct sway_output *new_output); + +diff --git a/sway/desktop/transaction.c b/sway/desktop/transaction.c +index 8f12832a..9869c934 100644 +--- a/sway/desktop/transaction.c ++++ b/sway/desktop/transaction.c +@@ -702,30 +702,60 @@ static void transaction_apply(struct sway_transaction *transaction) { + "(%.1f frames if 60Hz)", transaction, ms, ms / (1000.0f / 60)); + } + ++ struct sway_transaction_instruction *instruction; ++ struct sway_node *node; ++ struct sway_workspace *ws = NULL; ++ + // Apply the instruction state to the node's current state + for (int i = 0; i < transaction->instructions->length; ++i) { +- struct sway_transaction_instruction *instruction = +- transaction->instructions->items[i]; +- struct sway_node *node = instruction->node; ++ instruction = transaction->instructions->items[i]; ++ node = instruction->node; + + switch (node->type) { + case N_ROOT: ++ ws = NULL; + break; + case N_OUTPUT: + apply_output_state(node->sway_output, &instruction->output_state); ++ ws = node->sway_output->current.active_workspace; + break; + case N_WORKSPACE: + apply_workspace_state(node->sway_workspace, + &instruction->workspace_state); ++ ws = node->sway_workspace; + break; + case N_CONTAINER: + apply_container_state(node->sway_container, + &instruction->container_state); ++ ws = node->sway_container->current.workspace; + break; + } + ++ if (ws) ws->pending_background_check = true; ++ + node->instruction = NULL; + } ++ ++ for (int i = 0; i < transaction->instructions->length; ++i) { ++ instruction = transaction->instructions->items[i]; ++ node = instruction->node; ++ ++ switch (node->type) { ++ case N_ROOT: ++ continue; ++ case N_OUTPUT: ++ ws = node->sway_output->current.active_workspace; ++ break; ++ case N_WORKSPACE: ++ ws = node->sway_workspace; ++ break; ++ case N_CONTAINER: ++ ws = node->sway_container->current.workspace; ++ break; ++ } ++ ++ if (ws) workspace_check_background_covered(ws); ++ } + } + + static void transaction_commit_pending(void); +diff --git a/sway/ipc-json.c b/sway/ipc-json.c +index 571338a4..f9bdcfae 100644 +--- a/sway/ipc-json.c ++++ b/sway/ipc-json.c +@@ -16,6 +16,7 @@ + #include "sway/tree/view.h" + #include "sway/tree/workspace.h" + #include "sway/output.h" ++#include "sway/layers.h" + #include "sway/input/input-manager.h" + #include "sway/input/cursor.h" + #include "sway/input/seat.h" +@@ -360,6 +361,9 @@ static void ipc_json_describe_enabled_output(struct sway_output *output, + json_object_object_add(object, "current_workspace", + json_object_new_string(ws->name)); + ++ json_object_object_add(object, "covered", ++ json_object_new_boolean(ws->background_covered)); ++ + json_object *modes_array = json_object_new_array(); + struct wlr_output_mode *mode; + wl_list_for_each(mode, &wlr_output->modes, link) { +diff --git a/sway/ipc-server.c b/sway/ipc-server.c +index 7f353c0e..f3093505 100644 +--- a/sway/ipc-server.c ++++ b/sway/ipc-server.c +@@ -362,6 +362,20 @@ void ipc_event_bar_state_update(struct bar_config *bar) { + json_object_put(json); + } + ++void ipc_event_background_covered(struct sway_output *output, bool covered) { ++ if (!ipc_has_event_listeners(IPC_EVENT_BACKGROUND_COVERED)) { ++ return; ++ } ++ sway_log(SWAY_DEBUG, "Sending background_covered event"); ++ ++ json_object *json = json_object_new_object(); ++ json_object_object_add(json, "output", json_object_new_string(output->wlr_output->name)); ++ json_object_object_add(json, "covered", json_object_new_boolean(covered)); ++ const char *json_string = json_object_to_json_string(json); ++ ipc_send_event(json_string, IPC_EVENT_BACKGROUND_COVERED); ++ json_object_put(json); ++} ++ + void ipc_event_mode(const char *mode, bool pango) { + if (!ipc_has_event_listeners(IPC_EVENT_MODE)) { + return; +@@ -744,6 +758,8 @@ void ipc_client_handle_command(struct ipc_client *client, uint32_t payload_lengt + client->subscribed_events |= event_mask(IPC_EVENT_BARCONFIG_UPDATE); + } else if (strcmp(event_type, "bar_state_update") == 0) { + client->subscribed_events |= event_mask(IPC_EVENT_BAR_STATE_UPDATE); ++ } else if (strcmp(event_type, "background_covered") == 0) { ++ client->subscribed_events |= event_mask(IPC_EVENT_BACKGROUND_COVERED); + } else if (strcmp(event_type, "mode") == 0) { + client->subscribed_events |= event_mask(IPC_EVENT_MODE); + } else if (strcmp(event_type, "shutdown") == 0) { +diff --git a/sway/tree/output.c b/sway/tree/output.c +index 44b941ca..9004c3cb 100644 +--- a/sway/tree/output.c ++++ b/sway/tree/output.c +@@ -142,6 +142,7 @@ struct sway_output *output_create(struct wlr_output *wlr_output) { + + output->workspaces = create_list(); + output->current.workspaces = create_list(); ++ output->background_covered = false; + + return output; + } +diff --git a/sway/tree/workspace.c b/sway/tree/workspace.c +index f8709a4c..3727116d 100644 +--- a/sway/tree/workspace.c ++++ b/sway/tree/workspace.c +@@ -88,8 +88,12 @@ struct sway_workspace *workspace_create(struct sway_output *output, + ws->layout = output_get_default_layout(output); + ws->floating = create_list(); + ws->tiling = create_list(); ++ ws->sorted = create_list(); + ws->output_priority = create_list(); + ++ ws->background_covered = false; ++ ws->pending_background_check = true; ++ + ws->gaps_outer = config->gaps_outer; + ws->gaps_inner = config->gaps_inner; + if (name) { +@@ -153,6 +157,7 @@ void workspace_destroy(struct sway_workspace *workspace) { + list_free_items_and_destroy(workspace->output_priority); + list_free(workspace->floating); + list_free(workspace->tiling); ++ list_free(workspace->sorted); + list_free(workspace->current.floating); + list_free(workspace->current.tiling); + free(workspace); +@@ -616,6 +621,78 @@ bool workspace_is_empty(struct sway_workspace *ws) { + return true; + } + ++static bool x_covered_at_y(list_t *containers, double y, double x, double width) ++{ ++ double end = x + width; ++ double extent = x; ++ for (int i = 0; i < containers->length; ++i) { ++ struct sway_container *n = containers->items[i]; ++ if (!(n->current.y <= y && n->current.y + n->current.height >= y)) { ++ continue; ++ } ++ if (n->current.x > extent) return false; ++ x = n->current.x + n->current.width; ++ if (x >= end) return true; ++ if (x > extent) extent = x; ++ } ++ return false; ++} ++ ++static int sort_containers_x_cmp(const void *_a, const void *_b) { ++ struct sway_container *a = *(void **)_a; ++ struct sway_container *b = *(void **)_b; ++ return a->current.x - b->current.x; ++} ++ ++#define TERMINAL_APP_ID "kitty" ++ ++static void add_con_and_or_children_to_list(list_t *result, list_t *list) ++{ ++ struct sway_container *con; ++ const char *app_id; ++ for (int i = 0; i < list->length; ++i) { ++ con = list->items[i]; ++ if (con->current.children) { ++ add_con_and_or_children_to_list(result, con->current.children); ++ if (con->current.layout != L_NONE) return; ++ } ++ if (!con->view || !con->view->wlr_xdg_toplevel) continue; // Hack. ++ if ((app_id = view_get_app_id(con->view)) && strcmp(app_id, TERMINAL_APP_ID) != 0) { ++ list_add(result, con); ++ } ++ } ++} ++ ++void workspace_check_background_covered(struct sway_workspace *ws) { ++ if (!ws->output || !ws->pending_background_check) return; ++ ws->sorted->length = 0; ++ add_con_and_or_children_to_list(ws->sorted, ws->tiling); ++ add_con_and_or_children_to_list(ws->sorted, ws->floating); ++ list_stable_sort(ws->sorted, sort_containers_x_cmp); ++ ws->background_covered = ws->sorted->length > 0; ++ struct sway_container *con; ++ for (int i = 0; i < ws->sorted->length; ++i) { ++ con = ws->sorted->items[i]; ++ double y = con->current.y - 1.0; ++ if (y < ws->y) y = ws->y; ++ double span = con->current.y + con->current.height + 1.0; ++ if (span > ws->y + ws->height) span = ws->y + ws->height; ++ bool top = x_covered_at_y(ws->sorted, y, ws->x, ws->width); ++ if (!top || !x_covered_at_y(ws->sorted, span, ws->x, ws->width)) { ++ ws->background_covered = false; ++ break; ++ } ++ } ++ if (ws == ws->output->current.active_workspace) { ++ if (ws->background_covered != ws->output->background_covered) { ++ ws->output->background_covered = ws->background_covered; ++ ipc_event_background_covered(ws->output, ws->output->background_covered); ++ } ++ ws->pending_background_check = false; ++ } ++} ++ ++ + static int find_output(const void *id1, const void *id2) { + return strcmp(id1, id2); + } diff --git a/taro/attic/sway_test_config b/taro/attic/sway_test_config new file mode 100644 index 0000000..1223428 --- /dev/null +++ b/taro/attic/sway_test_config @@ -0,0 +1,9 @@ +workspace "1" output "WL-1" +workspace "2" output "WL-1" +bindsym Mod4+Return exec kitty +bindsym Mod4+Shift+q kill +bindsym Mod2+1 workspace 1 +bindsym Mod2+2 workspace 2 +bindsym Mod4+v split v +floating_modifier Mod4 +bindsym Mod4+space floating toggle diff --git a/taro/meson.build b/taro/meson.build new file mode 100644 index 0000000..87edfe7 --- /dev/null +++ b/taro/meson.build @@ -0,0 +1,47 @@ +project('taro', 'c', version: '0.01', + default_options: ['warning_level=2', 'c_std=c99']) + +cmake = import('cmake') + +is_debug = get_option('buildtype').startswith('debug') + +notcurses = dependency('notcurses', required: false, allow_fallback: false) +notcurses_core = dependency('notcurses-core', required: false, allow_fallback: false) +if not notcurses.found() or not notcurses_core.found() + notcurses_opts = cmake.subproject_options() + notcurses_opts.add_cmake_defines({ 'CMAKE_BUILD_TYPE': is_debug ? 'Debug' : 'Release' }) + notcurses_opts.add_cmake_defines({ 'USE_CXX': false }) + notcurses_opts.add_cmake_defines({ 'USE_PANDOC': false }) + notcurses_opts.add_cmake_defines({ 'BUILD_EXECUTABLES': false }) + notcurses_opts.add_cmake_defines({ 'USE_POC': false }) + notcurses_proj = cmake.subproject('notcurses', options: notcurses_opts) + notcurses = notcurses_proj.dependency('notcurses') + notcurses_core = notcurses_proj.dependency('notcurses-core') +endif + +akiyo = subproject('libakiyo', + default_options: [ + 'curl=disabled', + 'json=enabled', + 'event-loop=enabled' + ]).get_variable('akiyo') + +stela = subproject('stela', + default_options: [ + 'api=null', + 'window=wayland', + 'poll=fd', + 'event-buffer=false', + 'pause=false' + ]).get_variable('stela') + +taro_deps = [akiyo, notcurses, notcurses_core] +taro_src = ['src/ui.c', 'src/db.c', 'src/file_ext.c'] + +tarod_deps = [akiyo, stela] +tarod_src = ['src/daemon.c', 'src/file_ext.c'] + +executable('taro', taro_src, dependencies: taro_deps, install: true) +executable('tarod', tarod_src, dependencies: tarod_deps, install: true) + +executable('notcurses_test', ['tests/notcurses_ffmpeg.c'], dependencies: [akiyo, notcurses, notcurses_core]) diff --git a/taro/scripts/kill_wallpaper.sh b/taro/scripts/kill_wallpaper.sh new file mode 100755 index 0000000..04f01f8 --- /dev/null +++ b/taro/scripts/kill_wallpaper.sh @@ -0,0 +1,11 @@ +#! /usr/bin/env sh + +USE_MAURI=$1 + +if [ "$USE_MAURI" = "true" ]; then + pkill mauri +else + export WINEPREFIX=$2 + wineserver -k + wineserver -w +fi diff --git a/taro/scripts/make_prefix.sh b/taro/scripts/make_prefix.sh new file mode 100755 index 0000000..9facae2 --- /dev/null +++ b/taro/scripts/make_prefix.sh @@ -0,0 +1,25 @@ +#! /usr/bin/env sh + +export WINEPREFIX=$1 + +CONFIG_DIR=$2 + +install_dxvk() { + mkdir -p $CONFIG_DIR/tmp && cd $CONFIG_DIR/tmp + VER=$(curl https://raw.githubusercontent.com/doitsujin/dxvk/master/RELEASE) + curl -OL https://github.com/doitsujin/dxvk/releases/download/v$VER/dxvk-$VER.tar.gz + tar xf dxvk-$VER.tar.gz + cd dxvk-$VER + curl -OL https://gist.githubusercontent.com/doitsujin/1652e0e3382f0e0ff611e70142684d01/raw/4b80903eb4a8c1033750175de4ebe64685725a3e/setup_dxvk.sh + chmod +x ./setup_dxvk.sh + ./setup_dxvk.sh . install + rm -r $CONFIG_DIR/tmp +} + +if [ ! -d $WINEPREFIX ]; then + wineboot --init + winecfg -v win10 + wineserver -w + install_dxvk + wineserver -w +fi diff --git a/taro/scripts/run_wallpaper.sh b/taro/scripts/run_wallpaper.sh new file mode 100755 index 0000000..5ce8bc6 --- /dev/null +++ b/taro/scripts/run_wallpaper.sh @@ -0,0 +1,20 @@ +#! /usr/bin/env sh + +USE_MAURI=$1 + +export mesa_glthread=true + +if [ "$USE_MAURI" = "true" ]; then + if [ "$5" = "true" ]; then + exec mauri -p $6/scene.pkg -w $7 -h $8 -m $3 + else + exec mauri -d $6 -w $7 -h $8 -m $3 + fi +else + export WINEPREFIX=$2 + wineserver -k + wineserver -w + export WINEMONITOR=$3 + exec $4 ../../wallpaper_engine/wallpaper64.exe -control openWallpaper -file $6/project.json \ + -playInWindow "wallpaper" -width $7 -height $8 > $9 2>&1 +fi diff --git a/taro/src/daemon.c b/taro/src/daemon.c new file mode 100644 index 0000000..ec68df0 --- /dev/null +++ b/taro/src/daemon.c @@ -0,0 +1,723 @@ +#include <sys/wait.h> +#include <al/types.h> +#include <al/array.h> +#include <al/log.h> +#include <al/str.h> +#include <aki/common.h> +#include <aki/event_loop.h> +#include <aki/fs_event.h> +#include <aki/socket.h> +#include <stl/window.h> +#include <jansson.h> + +#include "dirs.h" +#include "file_ext.h" + +#define USE_QUEUE 0 +#define USE_MAURI "true" + +struct monitor { + struct stl_monitor *os; + struct aki_fs_event fs_event; + bool self_event_skip; + str config_dir; + str prefix_dir; + str wine_log_path; + str selection_path; + //str pid_path; + pid_t pid; + bool paused; + struct daemon *dmon; +}; + +#define IPC_HEADER_LENGTH 14 +#define IPC_MESSAGE_BUF_SIZE 64 + +struct daemon { + struct stl_window *context; + struct aki_poll context_poll; + array(struct monitor *) monitors; + array(struct monitor *) queued_monitors; + bool queue_running; + struct aki_event_loop loop; + struct aki_fs_event fs_event; + struct aki_socket ipc_socket; + bool connected; + struct aki_poll ipc_poll; + struct { + u8 *buf; + ssize_t index; + ssize_t size; + } out; + struct { + u8 *buf; + ssize_t index; + ssize_t size; + ssize_t alloc; + } ipc; + str wp_config_dir; +}; + +// If s is malformed, this will be false. +#define JSON_STR_TO_BOOL(s) (al_str_eq(s, al_str_c("true")) ? true : false + +static json_t *parse_and_set_globals(json_t *root, str *gsub) +{ + const char *key; + json_t *value; + json_t *general = NULL; + json_t *user = NULL; + + json_object_foreach(root, key, value) { + general = json_object_get(value, "general"); + if (general) { + user = value; + break; + } + } + + if (!general) { + json_decref(root); + return NULL; + } + + // When wallpaper engine runs, it corrects this value. We use (abuse) that to + // run the queue and set wallpapers in order. + json_object_set_new(user, "version", json_integer(0)); + + json_t *gprops = json_object(); + + s32 count = 0; + str tok = al_str_zero(); + while (al_str_get_line(gsub, ',', &tok)) { + switch (count++) { + case 0: + json_object_set_new(gprops, "cameraparallax", json_boolean(JSON_STR_TO_BOOL(&tok)))); + break; + case 1: { + s64 n = al_str_to_long(&tok, 10); + if (n < 0 || n > 200) n = 100; + json_object_set_new(gprops, "rate", json_integer(n)); + break; + } + default: + al_log_warn("tarod", "excess value \"%.*s\" in selection file at index %i", AL_STR_PRINTF(&tok), count); + break; + } + } + + json_object_set_new(general, "defaultproperties", gprops); + + return root; +} + +static json_t *parse_and_set_locals(json_t *root, str *lsub) +{ + json_t *general = json_object_get(root, "general"); + if (!general) { + json_decref(root); + return NULL; + } + + json_t *properties = json_object_get(general, "properties"); + if (!properties) { + // Probably don't want to completely fail here. + json_decref(root); + return NULL; + } + + void *iter = json_object_iter(properties); + json_t *iter_obj = json_object_iter_value(iter); + + str tok = al_str_zero(); + while (al_str_get_line(lsub, ',', &tok)) { + json_t *value = json_object_get(iter_obj, "value"); + switch (json_typeof(value)) { + case JSON_TRUE: + case JSON_FALSE: + json_object_set_new(iter_obj, "value", json_boolean(JSON_STR_TO_BOOL(&tok)))); + break; + default: + break; + } + iter = json_object_iter_next(properties, iter); + if (!iter) { + break; + } + iter_obj = json_object_iter_value(iter); + } + + return root; +} + +static s32 parse_and_set_props(struct monitor *monitor, str *selection_str, str *selection_id, bool *is_package) +{ + s32 index = al_str_find(selection_str, '|'); + s32 rindex = al_str_rfind(selection_str, '|'); + if (index < 2 || rindex == -1 || index == rindex) { + return -1; + } + + str *id = al_str_substr(selection_str, 0, index - 2); + str *type = al_str_substr(selection_str, index - 2, index); + if (id->len == 0) return 1; + + al_str_cat(selection_id, id); + + if (al_str_eq(type, al_str_c("_p"))) { + *is_package = true; + } else if (al_str_eq(type, al_str_c("_d"))) { + *is_package = false; + } else { + return -1; + } + + json_t *root = aki_file_open_as_json(&monitor->dmon->wp_config_dir); + if (!root) return -1; + + str *gsub = al_str_substr(selection_str, index + 1, rindex); + if (gsub->len > 0) { + root = parse_and_set_globals(root, gsub); + if (!root || !aki_file_dump_and_decref_json(&monitor->dmon->wp_config_dir, root)) { + al_log_warn("tarod", "failed to parse and/or set global properties for %s", monitor->os->name); + } + } + + str project_path; + al_str_clone(&project_path, selection_id); + al_str_cat(&project_path, al_str_c("/project.json")); + + root = aki_file_open_as_json(&project_path); + if (!root) { + al_str_free(&project_path); + return -1; + } + + // If local props are empty, don't try to set them. + if ((u32)rindex < selection_str->len - 1) { + str *lsub = al_str_substr(selection_str, rindex + 1, selection_str->len - 1); + if (lsub->len > 0) { + root = parse_and_set_locals(root, lsub); + if (!root || !aki_file_dump_and_decref_json(&project_path, root)) { + al_log_warn("tarod", "failed to parse and/or set local properties for %s", monitor->os->name); + } + } + } + + al_str_free(&project_path); + + return 0; +} + +static bool send_signal_to_pid(pid_t pid, s32 signal) +{ + if (kill(pid, signal) != 0) { + al_log_error("tarod", "kill(%i) failed (%s)", pid, aki_strerror(errno)); + return false; + } + return true; +} + +// We assume that if exec fails, the entire operation of this daemon will no longer work properly. +static pid_t exec_or_exit(char *args[]) +{ + pid_t pid = fork(); + if (pid == -1) { + al_log_error("tarod", "FATAL: failed to fork process, exiting..."); + exit(EXIT_FAILURE); + } else if (pid == 0) { + if (execv(args[0], args) == -1) { + al_log_error("tarod", "FATAL: failed to run %s, exiting...", args[0]); + pid_t ppid = getppid(); + // This should return the pid of init if the parent process has already exited. + if (ppid != 1) { + send_signal_to_pid(ppid, SIGINT); + } + } + } + return pid; +} + +/* +static void wait_for_exit(pid_t pid) +{ + s32 status = 0; + do { + waitpid(pid, &status, 0); + } while (!WIFEXITED(status)); +} +*/ + +#if USE_QUEUE +static void lock_fs_event_callback(uv_fs_event_t *handle, const char *filename, s32 events, s32 status); +static void close_callback(uv_handle_t *handle); + +static inline void manually_push_queue(struct daemon *dmon) +{ + if (uv_is_active((uv_handle_t *)&dmon->queue_evnt)) { + uv_fs_event_stop(&dmon->queue_evnt); + } + uv_close((uv_handle_t *)&dmon->queue_evnt, close_callback); +} +#endif + +static void maybe_kill_wallpaper(struct monitor *monitor) +{ + if (monitor->pid != -1) { + send_signal_to_pid(monitor->pid, SIGTERM); + monitor->pid = -1; + } + /* + char *c_str = al_str_to_c_str(&monitor->prefix_dir); + pid_t pid = exec_or_exit((char *[]){ "./kill_wallpaper.sh", USE_MAURI, c_str, NULL }); + al_free(c_str); + wait_for_exit(pid); + */ +} + +static bool run_wallpaper(struct monitor *monitor) +{ +#if USE_QUEUE + struct daemon *dmon = monitor->dmon; + dmon->queue_running = true; + uv_fs_event_init(uv_default_loop(), &dmon->queue_evnt); +#endif + + maybe_kill_wallpaper(monitor); + + monitor->paused = false; + + str selection_str; + monitor->self_event_skip = true; + if (!aki_file_open_and_read_wholly(&monitor->selection_path, &selection_str, true)) { +#if USE_QUEUE + manually_push_queue(dmon); +#endif + monitor->self_event_skip = false; + return false; + } + + if (!selection_str.len) { + al_log_error("tarod", "config for %s is empty", monitor->os->name); + al_str_free(&selection_str); +#if USE_QUEUE + manually_push_queue(dmon); +#endif + return false; + } + + str selection; + al_str_from(&selection, WALLPAPER_DIR); + al_str_cat(&selection, al_str_c("/")); + + bool is_package; + s32 ret = parse_and_set_props(monitor, &selection_str, &selection, &is_package); + al_str_free(&selection_str); + if (ret != 0) { + if (ret == -1) { + al_log_error("tarod", "failed to set properties for wallpaper on %s", monitor->os->name); + al_str_free(&selection); + } +#if USE_QUEUE + manually_push_queue(dmon); +#endif + return false; + } + +#if USE_QUEUE + c_str = al_str_to_c_str(&dmon->wp_config_dir); + uv_fs_event_start(&dmon->queue_evnt, lock_fs_event_callback, c_str, 0); + al_free(c_str); +#endif + + char width[16], height[16]; + al_sprintf(width, "%i", monitor->os->width / monitor->os->scale); + al_sprintf(height, "%i", monitor->os->height / monitor->os->scale); + + al_log_info("tarod", "setting wallpaper %.*s on %s", AL_STR_PRINTF(&selection), monitor->os->name); + + char *c_str0 = al_str_to_c_str(&monitor->prefix_dir); + char *c_str1 = al_str_to_c_str(&selection); + char *c_str2 = al_str_to_c_str(&monitor->wine_log_path); + char *args[] = { + "./run_wallpaper.sh", USE_MAURI, c_str0, monitor->os->name, WINE64_PATH, + AL_BOOLSTR(is_package), c_str1, width, height, c_str2, NULL + }; + monitor->pid = exec_or_exit(args); + al_free(c_str0); + al_free(c_str1); + al_free(c_str2); + + /* + char pid_str[16]; + al_sprintf(pid_str, "%i", monitor->pid); + // The daemon is the only writer or reader of this file. + if (!aki_file_open_and_replace(&monitor->pid_path, al_str_c(pid_str), false)) { + // If we can't track the pid of the child process don't let it keep running. + kill(monitor->pid, SIGKILL); + monitor->pid = -1; +#if USE_QUEUE + manually_push_queue(dmon); +#endif + return false; + } + */ + + al_str_free(&selection); + + return true; +} + +#if USE_QUEUE +void close_callback(uv_handle_t *handle) +{ + struct daemon *dmon = (struct dmon *)handle->data; + bool ran_wallpaper = false; + while (dmon->queued_monitors.size > 0) { + struct monitor *monitor; + al_array_pop_at(dmon->queued_monitors, 0, monitor); + if (run_wallpaper(monitor)) { + ran_wallpaper = true; + break; + } + } + if (!ran_wallpaper) { + dmon->queue_running = false; + } +} + +void lock_fs_event_callback(uv_fs_event_t *handle, const char *filename, s32 events, s32 status) +{ + (void)filename; + (void)status; + if (events & UV_CHANGE) { + // uv_fs_event_stop doesn't work like I would expect, not sure if it's a + // bug or not but using uv_close to run the queue works here. + uv_fs_event_stop(handle); + uv_close((uv_handle_t *)handle, close_callback); + } +} +#endif + +static void maybe_create_config_directory(struct monitor *monitor) +{ + bool config_dir_exists = aki_dir_exists(&monitor->config_dir); + if (!config_dir_exists) { + if (!aki_dir_create(&monitor->config_dir)) { + return; + } + } + + if (!aki_dir_exists(&monitor->prefix_dir)) { + char *c_str = al_str_to_c_str(&monitor->prefix_dir); + //pid_t pid = exec_or_exit((char *[]){ "make_prefix.sh", c_str, CONFIG_DIR, NULL }); + al_free(c_str); + //wait_for_exit(pid); + } + + if (config_dir_exists) { + return; + } + + aki_file_create(&monitor->selection_path); + aki_file_open_and_replace(&monitor->selection_path, al_str_c("||"), false); + + //aki_file_create(&monitor->pid_path); +} + +static void enqueue_monitor(struct daemon *dmon, struct monitor *monitor) +{ + if (!dmon->queue_running) { + run_wallpaper(monitor); + } else { + struct monitor *queued_monitor; + al_array_foreach(dmon->queued_monitors, i, queued_monitor) { + if (queued_monitor == monitor) return; + } + al_array_push(dmon->queued_monitors, monitor); + } +} + +static void selection_fs_event_callback(void *userdata, struct inotify_event *event) +{ + struct monitor *monitor = (struct monitor *)userdata; + (void)event; + if (monitor->self_event_skip) { + monitor->self_event_skip = false; + return; + } + struct daemon *dmon = monitor->dmon; + enqueue_monitor(dmon, monitor); +} + +static void output_discovered_callback(void *userdata, struct stl_monitor *os_monitor) +{ + struct daemon *dmon = (struct daemon *)userdata; + + struct monitor *monitor; + al_array_foreach(dmon->monitors, i, monitor) { + if (strcmp(monitor->os->name, os_monitor->name) == 0) { + enqueue_monitor(dmon, monitor); + return; + } + } + + monitor = al_alloc_object(struct monitor); + al_array_push(dmon->monitors, monitor); + + monitor->os = os_monitor; + monitor->dmon = dmon; + + al_str_from(&monitor->config_dir, CONFIG_DIR); + if (al_str_atr(&monitor->config_dir, -1) != '/') { + al_str_cat(&monitor->config_dir, al_str_c("/")); + } + al_str_cat(&monitor->config_dir, al_str_cr(monitor->os->name)); + + al_str_clone(&monitor->prefix_dir, &monitor->config_dir); + al_str_cat(&monitor->prefix_dir, al_str_c("/prefix")); + + al_str_clone(&monitor->wine_log_path, &monitor->config_dir); + al_str_cat(&monitor->wine_log_path, al_str_c("/wine.log")); + + al_str_clone(&monitor->selection_path, &monitor->config_dir); + al_str_cat(&monitor->selection_path, al_str_c("/selection")); + + //al_str_clone(&monitor->pid_path, &monitor->config_dir); + //al_str_cat(&monitor->pid_path, al_str_c("/pid")); + + monitor->pid = -1; + monitor->paused = false; + + maybe_create_config_directory(monitor); + + enqueue_monitor(dmon, monitor); + + monitor->self_event_skip = false; + aki_fs_event_init(&monitor->fs_event, &monitor->selection_path, AKI_CLOSE_WRITE, + selection_fs_event_callback, monitor); + aki_fs_event_start(&monitor->fs_event, &monitor->dmon->loop); +} + +static void close_monitor(struct monitor *monitor) +{ + al_str_free(&monitor->config_dir); + al_str_free(&monitor->prefix_dir); + al_str_free(&monitor->wine_log_path); + al_str_free(&monitor->selection_path); + //al_str_free(&monitor->pid_path); + aki_fs_event_stop(&monitor->fs_event); + aki_fs_event_free(&monitor->fs_event); +} + +static void ipc_handle_subscribe_success(struct daemon *dmon, json_t *root) +{ + (void)dmon; + if (json_boolean_value(root)) { + al_log_info("tarod", "successfully subscribed to sway background covered events"); + } else { + al_log_info("tarod", "failed to subscribe to sway background covered events"); + } +} + +static void ipc_handle_response(struct daemon *dmon, u8 *buf, u32 size) +{ + json_error_t error; + al_log_debug("tarod", "IN: %.*s", size, (char *)buf); + json_t *root = json_loadb((char *)buf, size, 0, &error); + if (!root) { + al_log_error("tarod", "failed to parse sway-ipc json payload (%s)", error.text); + goto done; + } + + json_t *success = json_object_get(root, "success"); + if (success) { + ipc_handle_subscribe_success(dmon, success); + goto done; + } + + json_t *output = json_object_get(root, "output"); + if (output) { + bool covered = json_boolean_value(json_object_get(root, "covered")); + struct monitor *monitor; + al_array_foreach(dmon->monitors, i, monitor) { + if (strcmp(monitor->os->name, json_string_value(output)) == 0) { + if (monitor->pid == -1) goto done; + if (!monitor->paused && covered) { + if (kill(monitor->pid, SIGSTOP) == 0) { + monitor->paused = true; + } + } else if (monitor->paused && !covered) { + if (kill(monitor->pid, SIGCONT) == 0) { + monitor->paused = false; + } + } + break; + } + } + } + +done: + if (root) json_decref(root); +} + +static void ensure_ipc_buf_size(struct daemon *dmon, ssize_t size) +{ + if (dmon->ipc.alloc < size) { + dmon->ipc.buf = realloc(dmon->ipc.buf, size); + dmon->ipc.alloc = size; + } +} + +static void ipc_poll_callback(void *userdata, s32 revents) +{ + struct daemon *dmon = (struct daemon *)userdata; + + if (revents & AKI_POLL_WRITE) { + if (!dmon->connected) { + al_log_info("tarod", "connected to sway ipc socket"); + dmon->connected = true; + } + if (!dmon->out.buf) return; + dmon->out.index += aki_socket_write(&dmon->ipc_socket, dmon->out.buf + dmon->out.index, + dmon->out.size - dmon->out.index); + if (dmon->out.index == dmon->out.size) { + al_free(dmon->out.buf); + dmon->out.buf = NULL; + aki_poll_stop(&dmon->ipc_poll); + aki_poll_set(&dmon->ipc_poll, aki_socket_get_fd(&dmon->ipc_socket), AKI_POLL_READ); + aki_poll_start(&dmon->ipc_poll, &dmon->loop); + } + } + + if (revents & AKI_POLL_READ) { + if (dmon->ipc.index < IPC_HEADER_LENGTH) { + dmon->ipc.index += aki_socket_read(&dmon->ipc_socket, dmon->ipc.buf + dmon->ipc.index, + IPC_HEADER_LENGTH - dmon->ipc.index); + } + if (dmon->ipc.index == IPC_HEADER_LENGTH && !dmon->ipc.size) { + dmon->ipc.size = *((s32 *)&dmon->ipc.buf[6]) + IPC_HEADER_LENGTH; + ensure_ipc_buf_size(dmon, dmon->ipc.size); + } + if (dmon->ipc.size) { + dmon->ipc.index += aki_socket_read(&dmon->ipc_socket, dmon->ipc.buf + dmon->ipc.index, + dmon->ipc.size - dmon->ipc.index); + if (dmon->ipc.index == dmon->ipc.size) { + ipc_handle_response(dmon, dmon->ipc.buf + IPC_HEADER_LENGTH, + dmon->ipc.size - IPC_HEADER_LENGTH); + dmon->ipc.size = 0; + dmon->ipc.index = 0; + } + } + } +} + +/* +static void context_poll_callback(void *userdata, s32 revents) +{ + struct daemon *dmon = (struct daemon *)userdata; + al_assert(revents & AKI_POLL_READ); + dmon->context->process_events(dmon->context); + dmon->context->prepare_read(dmon->context); +} +*/ + +// https://stackoverflow.com/a/59071370 +static void handle_sigchld(s32 sig) +{ + (void)sig; + s32 saved_errno = errno; + while (waitpid((pid_t)(-1), 0, WNOHANG) > 0) {} + errno = saved_errno; +} + +#define SWAY_IPC_SUBSCRIBE 2 + +static struct daemon dmon = { 0 }; + +s32 main(void) +{ + if (!aki_common_init()) return EXIT_FAILURE; + + signal(SIGCHLD, handle_sigchld); + + aki_event_loop_init(&dmon.loop); + + al_array_init(dmon.monitors); + al_array_init(dmon.queued_monitors); + dmon.queue_running = false; + + al_str_from(&dmon.wp_config_dir, WALLPAPER_ENGINE_DIR); + al_str_cat(&dmon.wp_config_dir, al_str_c("/config.json")); + + stl_set_output_discovered_callback(output_discovered_callback, &dmon); + if (!stl_global_init()) return EXIT_FAILURE; + //dmon.context = stl_window_create(); + //aki_poll_init(&dmon.context_poll, context_poll_callback, &dmon); + //aki_poll_set(&dmon.context_poll, dmon.context->get_poll_fd(dmon.context), AKI_POLL_READ); + //dmon.context->prepare_read(dmon.context); + //aki_poll_start(&dmon.context_poll, &dmon.loop); + + str monitors; + al_str_from(&monitors, ""); + struct monitor *monitor; + al_array_foreach(dmon.monitors, i, monitor) { + al_str_cat(&monitors, al_str_cr(monitor->os->name)); + al_str_cat(&monitors, al_str_c("\n")); + } + + str monitors_path; + al_str_from(&monitors_path, CONFIG_DIR); + al_str_cat(&monitors_path, al_str_c("/monitors")); + if (!aki_file_exists(&monitors_path)) aki_file_create(&monitors_path); + aki_file_open_and_replace(&monitors_path, &monitors, false); + + dmon.ipc.buf = NULL; + dmon.ipc.size = 0; + dmon.ipc.index = 0; + dmon.ipc.alloc = 0; + ensure_ipc_buf_size(&dmon, IPC_HEADER_LENGTH); + + json_t *payload = json_array(); + json_array_append(payload, json_string("background_covered")); + dmon.out.buf = al_malloc(IPC_MESSAGE_BUF_SIZE); + al_memcpy(dmon.out.buf, "i3-ipc", strlen("i3-ipc")); + s32 type = SWAY_IPC_SUBSCRIBE; + al_memcpy(&dmon.out.buf[10], &type, sizeof(s32)); + s32 len = json_dumpb(payload, (char *)&dmon.out.buf[14], IPC_MESSAGE_BUF_SIZE - IPC_HEADER_LENGTH, 0); + al_memcpy(&dmon.out.buf[6], &len, sizeof(s32)); + dmon.out.size = IPC_HEADER_LENGTH + len; + dmon.out.index = 0; + json_decref(payload); + + dmon.ipc_socket.type = AKI_SOCKET_UNIX; + aki_socket_init(&dmon.ipc_socket); + aki_socket_set_blocking(&dmon.ipc_socket, false); + aki_poll_init(&dmon.ipc_poll, ipc_poll_callback, &dmon); + aki_poll_set(&dmon.ipc_poll, aki_socket_get_fd(&dmon.ipc_socket), AKI_POLL_WRITE); + dmon.connected = false; + char *swaysock = getenv("SWAYSOCK"); + if (swaysock && aki_socket_connect(&dmon.ipc_socket, al_str_cr(swaysock), 0)) { + aki_poll_start(&dmon.ipc_poll, &dmon.loop); + } else { + al_log_error("tarod", "failed to connect to sway ipc socket"); + } + + aki_event_loop_run(&dmon.loop); + + al_array_foreach(dmon.monitors, i, monitor) { + close_monitor(monitor); + } + al_array_free(dmon.monitors); + al_array_free(dmon.queued_monitors); + al_str_free(&dmon.wp_config_dir); + al_free(dmon.ipc.buf); + + dmon.context->free(&dmon.context); + + aki_event_loop_destroy(&dmon.loop); + + aki_common_close(); + + return EXIT_SUCCESS; +} diff --git a/taro/src/db.c b/taro/src/db.c new file mode 100644 index 0000000..9d2ffa2 --- /dev/null +++ b/taro/src/db.c @@ -0,0 +1,212 @@ +#include <al/log.h> + +#include "db.h" +#include "file_ext.h" + +#define REAL_OR_INT(v) \ + json_typeof(v) == JSON_REAL ? json_real_value(v) : json_integer_value(v) + +static bool load_entry(struct entry *e) +{ + struct aki_dir dir; + if (!aki_dir_open(&dir, &e->path)) return false; + + struct aki_dir_entry entry; + while (aki_dir_read(&dir, &entry)) { + if (entry.entry->d_type != DT_REG) { + continue; + } + + s32 index = al_str_rfind(al_str_cr(entry.entry->d_name), '.'); + if (index == -1) { + continue; + } + + if (al_str_eq(al_str_w(entry.entry->d_name, 0, index), al_str_c("project"))) { + str package_path; + al_str_clone(&package_path, &e->path); + al_str_cat(&package_path, al_str_c("/scene.pkg")); + e->has_package = aki_file_exists(&package_path); + al_str_free(&package_path); + + str project_path; + al_str_clone(&project_path, &e->path); + al_str_cat(&project_path, al_str_c("/")); + al_str_cat(&project_path, al_str_cr(entry.entry->d_name)); + + json_t *root = aki_file_open_as_json(&project_path); + al_str_free(&project_path); + if (!root) continue; + e->loaded = true; + + json_t *title = json_object_get(root, "title"); + if (title) { + al_wstr_from_cstr(&e->title, (char *)json_string_value(title)); + } + + json_t *preview = json_object_get(root, "preview"); + if (preview) { + al_str_clone(&e->preview_path, &e->path); + al_str_cat(&e->preview_path, al_str_c("/")); + al_str_cat(&e->preview_path, al_str_cr(json_string_value(preview))); + e->has_preview = aki_file_exists(&e->preview_path); + } + + json_t *general = json_object_get(root, "general"); + if (!general) { + continue; + } + + al_array_init(e->props); + json_t *properties = json_object_get(general, "properties"); + if (properties) { + void *iter = json_object_iter(properties); + json_t *iter_obj; + json_t *text, *type; + while (iter) { + iter_obj = json_object_iter_value(iter); + text = json_object_get(iter_obj, "text"); + if (!text || strcmp(json_string_value(text), "ui_browse_properties_scheme_color") == 0) { + iter = json_object_iter_next(properties, iter); + continue; + } + + struct prop p; + p.type = PROP_TYPE_UNKNOWN; + al_wstr_from_cstr(&p.title, (char *)json_string_value(text)); + type = json_object_get(iter_obj, "type"); + if (!type) { + // Silently ignore for now. Is "Notes" a special case? see 1918273588. + //log_warn("improperly handled prop (%.*s)", AL_STR_PRINTF(&e->id)); + iter = json_object_iter_next(properties, iter); + continue; + } + + str *type_str = al_str_cr(json_string_value(type)); + if (al_str_eq(type_str, al_str_c("bool"))) { + json_t *value = json_object_get(iter_obj, "value"); + if (!value) { + al_log_warn("db", "improperly handled bool (%.*s)", AL_STR_PRINTF(&e->id)); + iter = json_object_iter_next(properties, iter); + continue; + } + p.value = al_malloc(sizeof(bool)); + *((bool *)p.value) = json_boolean_value(value); + p.type = PROP_TYPE_BOOL; + } else if (al_str_eq(type_str, al_str_c("slider"))) { + json_t *value = json_object_get(iter_obj, "value"); + json_t *min = json_object_get(iter_obj, "min"); + json_t *max = json_object_get(iter_obj, "max"); + if (!value || !min || !max) { + al_log_warn("db", "improperly handled slider (%.*s)", AL_STR_PRINTF(&e->id)); + iter = json_object_iter_next(properties, iter); + continue; + } + json_t *step = json_object_get(iter_obj, "step"); + p.value = al_malloc(sizeof(struct slider_value)); + struct slider_value *slider = (struct slider_value *)p.value; + slider->value = REAL_OR_INT(value); + slider->min = REAL_OR_INT(min); + slider->max = REAL_OR_INT(max); + if (step) { + slider->step = REAL_OR_INT(step); + } else { + // Assume the default step is 1.0. + slider->step = 1.0; + } + p.type = PROP_TYPE_SLIDER; + } else { + //al_log_warn("db", "unhandled type. (%.*s)", AL_STR_PRINTF(type_str)); + } + + al_array_push(e->props, p); + + iter = json_object_iter_next(properties, iter); + } + } + } + } + + aki_dir_close(&dir); + + return e->loaded; +} + +bool db_ensure_entry_loaded(struct db *db, struct entry *e) +{ + if (!e->loaded && !load_entry(e)) { + // Remove entry if it cannot be loaded. + struct entry *re; + al_array_foreach_ptr(db->entries, i, re) { + if (re == e) { + al_array_remove_at(db->entries, i); + break; + } + } + } + return e->loaded; +} + +static s32 id_compare(void *a, void *b) +{ + s64 aid = al_str_to_long(&((struct entry *)a)->id, 10); + s64 bid = al_str_to_long(&((struct entry *)b)->id, 10); + if (aid > bid) { + return 1; + } else if (aid < bid) { + return -1; + } else { + return 0; + } +} + +bool db_load_entries(struct db *db, str *path) +{ + struct aki_dir dir; + if (!aki_dir_open(&dir, path)) return false; + + al_array_init(db->entries); + struct aki_dir_entry entry; + while (aki_dir_read(&dir, &entry)) { + if (!(entry.entry->d_type == DT_DIR || entry.entry->d_type == DT_UNKNOWN)) { + continue; + } + if (strcmp(entry.entry->d_name, ".") == 0 || + strcmp(entry.entry->d_name, "..") == 0) { + continue; + } + struct entry e = { 0 }; + e.loaded = false; + al_str_clone(&e.id, al_str_cr(entry.entry->d_name)); + al_str_clone(&e.path, path); + al_str_cat(&e.path, al_str_c("/")); + al_str_cat(&e.path, &e.id); + if (!aki_dir_exists(&e.path)) { + al_str_free(&e.id); + al_str_free(&e.path); + continue; + } + al_array_push(db->entries, e); + } + + al_array_sort(db->entries, struct entry, id_compare); + + return true; +} + +void db_unload(struct db *db) +{ + struct entry *e; + al_array_foreach_ptr(db->entries, i, e) { + al_str_free(&e->path); + al_str_free(&e->preview_path); + al_wstr_free(&e->title); + struct prop *p; + al_array_foreach_ptr(e->props, j, p) { + al_wstr_free(&p->title); + if (p->type != PROP_TYPE_UNKNOWN) { + al_free(p->value); + } + } + } +} diff --git a/taro/src/db.h b/taro/src/db.h new file mode 100644 index 0000000..78f4c77 --- /dev/null +++ b/taro/src/db.h @@ -0,0 +1,41 @@ +#pragma once + +#include <al/array.h> +#include <al/wstr.h> + +enum { + PROP_TYPE_BOOL, + PROP_TYPE_SLIDER, + PROP_TYPE_UNKNOWN +}; + +struct slider_value { + f64 min, max; + f64 step; + f64 value; +}; + +struct prop { + u8 type; + wstr title; + void *value; +}; + +struct entry { + bool loaded; + str id; + str path; + bool has_package; + str preview_path; + bool has_preview; + wstr title; + array(struct prop) props; +}; + +struct db { + array(struct entry) entries; +}; + +bool db_load_entries(struct db *db, str *path); +bool db_ensure_entry_loaded(struct db *db, struct entry *e); +void db_unload(struct db *db); diff --git a/taro/src/dirs.h b/taro/src/dirs.h new file mode 100644 index 0000000..e508983 --- /dev/null +++ b/taro/src/dirs.h @@ -0,0 +1,10 @@ +#pragma once + +#define WINE64_PATH "/opt/wine-wayland/bin/wine64" + +#define HOME "/home/andrew" +#define CONFIG_DIR HOME"/.config/taro" +//#define WALLPAPER_DIR HOME"/c/mauri/workshop_wallpapers_11-8-21" +#define WALLPAPER_DIR HOME"/c/mauri/workshop_wallpapers" +//#define WALLPAPER_DIR "/mnt/hdd/SteamLibrary/steamapps/workshop/content/431960" +#define WALLPAPER_ENGINE_DIR HOME"/c/wpe-wine/wallpaper_engine" diff --git a/taro/src/file_ext.c b/taro/src/file_ext.c new file mode 100644 index 0000000..48dffce --- /dev/null +++ b/taro/src/file_ext.c @@ -0,0 +1,56 @@ +#include <al/log.h> + +#include "file_ext.h" + +bool aki_file_open_and_read_wholly(str *path, str *out, bool lock) +{ + struct aki_file file; + if (!aki_file_open(&file, path, lock ? AKI_FILE_LOCK : AKI_FILE_READONLY)) { + return false; + } + s32 ret = aki_file_read_as_str(&file, out); + aki_file_close(&file); + return ret != -1; +} + +bool aki_file_open_and_replace(str *path, str *buf, bool lock) +{ + struct aki_file file; + if (!aki_file_open(&file, path, lock ? AKI_FILE_LOCK : 0)) { + return false; + } + s32 ret = aki_file_replace(&file, buf); + aki_file_close(&file); + return ret != -1; +} + +json_t *aki_file_open_as_json(str *path) +{ + str s; + if (!aki_file_open_and_read_wholly(path, &s, false)) { + return NULL; + } + json_error_t error; + json_t *root = json_loadb(s.data, s.len, 0, &error); + if (!root) { + al_log_error("file_ext", "json_loadb(%.*s, %u) failed (%s)", AL_STR_PRINTF(path), s.len, error.text); + } + al_str_free(&s); + return root; +} + +bool aki_file_dump_and_decref_json(str *path, json_t *root) +{ + str s; + size_t size = json_dumpb(root, NULL, 0, JSON_INDENT(4)); + al_str_sized(&s, size); + s.len = json_dumpb(root, s.data, size, JSON_INDENT(4)); + if (s.len == 0) { + json_decref(root); + return false; + } + bool ret = aki_file_open_and_replace(path, &s, false); + al_str_free(&s); + json_decref(root); + return ret; +} diff --git a/taro/src/file_ext.h b/taro/src/file_ext.h new file mode 100644 index 0000000..ddaceba --- /dev/null +++ b/taro/src/file_ext.h @@ -0,0 +1,7 @@ +#include <aki/file.h> +#include <jansson.h> + +bool aki_file_open_and_read_wholly(str *path, str *out, bool lock); +bool aki_file_open_and_replace(str *path, str *buf, bool lock); +json_t *aki_file_open_as_json(str *path); +bool aki_file_dump_and_decref_json(str *path, json_t *root); diff --git a/taro/src/ui.c b/taro/src/ui.c new file mode 100644 index 0000000..e8307f5 --- /dev/null +++ b/taro/src/ui.c @@ -0,0 +1,1183 @@ +#include <notcurses/notcurses.h> +#include <notcurses/nckeys.h> +#include <aki/common.h> +#include <aki/event_loop.h> +#include <aki/timer.h> +#include <al/log.h> + +#include "db.h" +#include "dirs.h" +#include "file_ext.h" + +#define PIXEL_BLIT 1 + +#define TIMER_UPDATE_BASE 1.f + +#define TILE_WIDTH 18 +#define TILE_HEIGHT 10 +#define FLASH_DURATION 0.3f + +#define TEXT_WIDTH (TILE_WIDTH - 4) +#define TEXT_UPDATE_RATE 0.3f; + +#define INFO_RES_WIDTH 33 +#define INFO_RES_HEIGHT 2 + +#define INFO_X_OFFSET 2 +#define INFO_Y_OFFSET 1 + +#define INFO_WIDTH 30 +// INFO_HEIGHT = term_rows + INFO_RES_HEIGHT + +#define INFO_TILE_WIDTH 24 +#define INFO_TILE_HEIGHT 12 + +#define INFO_TEXT_WIDTH (TEXT_WIDTH + 4) + +#define PROP_TEXT_WIDTH 16 + +#define MAX_MONITOR_NAME_LEN 255 + +struct scrolling_text { + wstr *s; + s32 width; + s32 index, max; + s32 x, y; +}; + +struct image { + u32 hash; + bool gif; + bool errored; + struct ncvisual *v; +}; + +struct image_pool { + u32 max; + u32 chunk_size; + array(struct image) images; +}; + +struct tile { + struct ncplane *p, *ip; + struct entry *e; + bool blitted; + struct scrolling_text text; +}; + +struct monitors { + array(char *) monitors; + s32 selected_monitor; + s32 set_monitor; + f32 flash; + str selection_path; +}; + +struct grid { + struct ncplane *p; + s32 tiles_x, tiles_y; + s32 min_index; + s32 max_index; + s32 selected_index; + s32 set_index; + f32 flash; + s32 tiles_per_page; + array(struct tile) tiles; +}; + +struct info_prop { + struct prop *p; + struct scrolling_text text; +}; + +struct info { + struct ncplane *ip; + struct entry *e; + bool blitted; + struct scrolling_text text; + u32 max_props; + s32 selected_prop; + array(struct info_prop) props; +}; + +enum { + MENU_GRID = 0, + MENU_INFO, + MENU_MONITORS +}; + +struct ui { + struct notcurses *nc; + struct aki_event_loop loop; + struct aki_poll input_poll; + u64 delay; + struct aki_timer timer; + bool layed_out; + f32 text_update; + u32 term_rows, term_cols; + u8 selected_menu; + struct ncplane *p, *mp, *gp, *ip; + struct monitors m; + struct grid g; + struct info n; + struct image_pool pool; + struct db db; +}; + +// --------- +// Client +// --------- + +static s32 get_entry_from_config(struct ui *u) +{ + s32 ret = -1; + str config; + if (aki_file_open_and_read_wholly(&u->m.selection_path, &config, false)) { + s32 index = al_str_find(&config, '|'); + if (index > 2) { + str *id = al_str_substr(&config, 0, index - 2); + struct entry *e; + al_array_foreach_ptr(u->db.entries, i, e) { + if (al_str_eq(&e->id, id)) { + ret = i; + break; + } + } + } + al_str_free(&config); + } + return ret; +} + +static void select_monitor(struct ui *u) +{ + if (u->m.set_monitor == -1) return; + u->m.set_monitor = u->m.selected_monitor; + al_str_free(&u->m.selection_path); + al_str_from(&u->m.selection_path, CONFIG_DIR); + al_str_cat(&u->m.selection_path, al_str_c("/")); + char *monitor = al_array_at(u->m.monitors, u->m.set_monitor); + al_str_cat(&u->m.selection_path, al_str_cr(monitor)); + al_str_cat(&u->m.selection_path, al_str_c("/selection")); + u->g.set_index = get_entry_from_config(u); + if (u->g.set_index >= 0) { + u->g.selected_index = u->g.set_index; + } +} + +static void write_selected_entry_to_config(struct ui *u) +{ + if (u->m.set_monitor == -1) return; + str config; + if (u->g.set_index == -1) { + al_str_from(&config, "||"); + } else { + al_str_clone(&config, &u->n.e->id); + if (u->n.e->has_package) { + al_str_cat(&config, al_str_c("_p")); + } else { + al_str_cat(&config, al_str_c("_d")); + } + al_str_cat(&config, al_str_c("|false,100|")); + struct prop *p; + al_array_foreach_ptr(u->n.e->props, i, p) { + switch (p->type) { + case PROP_TYPE_BOOL: + al_str_cat(&config, *((bool *)p->value) ? al_str_c("true") : al_str_c("false")); + break; + } + al_str_cat(&config, al_str_c(",")); + } + if (al_str_at(&config, config.len - 1) == ',') { + config.len--; + } + } + aki_file_open_and_replace(&u->m.selection_path, &config, true); +} + +// --------- +// Interface +// --------- + +static void set_scrolling_text(struct scrolling_text *text, wstr *s, s32 text_width, s32 width, s32 x, s32 y) +{ + text->index = 0; + text->width = width; + text->s = s; + if (text_width > text->width) { + text->max = (text_width - text->width); + // If the character at text->index is wider than 1 cell, + // that is the amount the text will scroll by. So, account + // for that here. + for (s32 i = 0; i < text->max; i++) { + s32 wcl = al_wchar_width(al_wstr_at(s, i)); + if (wcl > 1) { + text->max -= wcl - 1; + } + } + text->max++; + } else { + text->max = -1; + } + text->x = x; + text->y = y; +} + +static void draw_scrolling_text(struct ncplane *p, struct scrolling_text *t, bool update) +{ + ncplane_cursor_move_yx(p, t->y, t->x); + if (t->max != -1) { + s32 i = 0; + s32 width = 0; + while (width < t->width) { + wchar_t wc = al_wstr_at(t->s, t->index + i); + width += al_wchar_width(wc); + if (width > t->width) { + break; + } + ncplane_putwc(p, wc); + i++; + } + if (update) { + t->index = (t->index + 1) % t->max; + } + } else { + ncplane_putwstr(p, &al_wstr_at(t->s, 0)); + } +} + +static void set_info_entry(struct ui *u, struct info *n) +{ + n->selected_prop = 0; + n->props.size = 0; + + if (u->g.selected_index == -1 || u->g.selected_index >= (s32)u->db.entries.size) { + n->e = NULL; + return; + } + + n->e = &al_array_at(u->db.entries, u->g.selected_index); + + n->blitted = false; + + s32 width = al_wstr_width(&u->n.e->title); + s32 tx = 2 + (width < INFO_TEXT_WIDTH ? (INFO_TEXT_WIDTH - width) / 2 : 0); + set_scrolling_text(&n->text, &u->n.e->title, width, INFO_TEXT_WIDTH, tx, INFO_TILE_HEIGHT + 1); + + struct prop *p; + al_array_foreach_ptr(u->n.e->props, i, p) { + struct info_prop ip = { 0 }; + ip.p = p; + width = al_wstr_width(&p->title); + s32 ty = (INFO_TILE_HEIGHT + 3) + ((i % n->max_props) * 2); + set_scrolling_text(&ip.text, &p->title, width, PROP_TEXT_WIDTH, 0, ty); + al_array_push(n->props, ip); + } +} + +static bool init_info(struct info *n) +{ + al_array_init(n->props); + return true; +} + +static bool init_image_pool(struct image_pool *pool) +{ + pool->chunk_size = 0; + pool->max = 0; + al_array_init(pool->images); + return true; +} + +static bool init_grid(struct grid *g) +{ + al_array_init(g->tiles); + return true; +} + +static s32 monitor_cmp(void *va, void *vb) +{ + return strncmp(*(char **)va, *(char **)vb, MAX_MONITOR_NAME_LEN); +} + +static bool init_monitors(struct ui *u, struct monitors *m) +{ + al_array_init(m->monitors); + str monitors; + if (!aki_file_open_and_read_wholly(al_str_c(CONFIG_DIR"/monitors"), &monitors, false)) { + al_log_error("taro", "failed to open monitor list, is the daemon configured?"); + return false; + } + str monitor_dir; + str monitor = al_str_zero(); + while (al_str_get_line(&monitors, '\n', &monitor)) { + al_str_from(&monitor_dir, CONFIG_DIR); + al_str_cat(&monitor_dir, al_str_c("/")); + al_str_cat(&monitor_dir, &monitor); + if (aki_dir_exists(&monitor_dir)) { + char *c_str = al_str_to_c_str(&monitor); + al_array_push(m->monitors, c_str); + } + al_str_free(&monitor_dir); + } + if (!u->m.monitors.size) { + u->m.set_monitor = -1; + u->m.selected_monitor = -1; + } + al_array_sort(m->monitors, char *, monitor_cmp); + u->g.set_index = -1; + if (m->selected_monitor >= 0) { + select_monitor(u); + } + if (u->db.entries.size > 0) { + u->g.selected_index = (u->g.set_index >= 0) ? u->g.set_index : 0; + } + return true; +} + +static bool init_ui(struct ui *u) +{ + if (!init_monitors(u, &u->m)) return false; + if (!init_grid(&u->g)) return false; + if (!init_image_pool(&u->pool)) return false; + if (!init_info(&u->n)) return false; + if (!(u->nc = notcurses_init(NULL, stdin))) { + al_log_error("taro", "failed to initialize notcurses"); + return false; + } + return true; +} + +struct image *get_image_from_pool(struct image_pool *pool, str *path) +{ + u32 hash = al_str_hash(path); + struct image *rimg; + al_array_foreach_ptr(pool->images, i, rimg) { + if (rimg->hash == hash) { + return rimg; + } + } + + bool gif = false; + s32 index = al_str_rfind(path, '.'); + if (index != -1) { + if (al_str_eq(al_str_w(path->data, index, 4), al_str_c(".gif"))) { + gif = true; + } + } + + if (pool->images.size >= pool->max) { + // al_array_remove_range()... + for (u32 i = 0; i < pool->chunk_size; i++) { + struct image img; + al_array_pop_at(pool->images, 0, img); + ncvisual_destroy(img.v); + } + } + + char *c_str = al_str_to_c_str(path); + struct image img = { + .hash = hash, + .gif = gif, + .errored = false, + .v = ncvisual_from_file(c_str) + }; + al_free(c_str); + if (!img.v) return NULL; + al_array_push(pool->images, img); + + return &al_array_last(pool->images); +} + +static bool layout_ui(struct ui *u); +static void draw_monitors(struct ui *u, struct monitors *m); +static void draw_grid_tiles(struct ui *u, struct grid *g, bool update_text); +static void draw_info(struct ui *u, struct info *n, bool update_text); + +static int resize_cb(struct ncplane *p) +{ + struct ui *u = ncplane_userptr(p); + if (!u) return 0; + notcurses_stddim_yx(u->nc, &u->term_rows, &u->term_cols); + if (!layout_ui(u)) { + u->layed_out = false; + return 0; + } + u->layed_out = true; + struct tile *t; + al_array_foreach_ptr(u->g.tiles, i, t) { + t->blitted = false; + ncplane_erase(t->ip); + } + u->n.blitted = false; + ncplane_erase(u->n.ip); + // To not break images we need to erase them + // then render them in 2 steps. + notcurses_refresh(u->nc, NULL, NULL); + notcurses_render(u->nc); + draw_monitors(u, &u->m); + draw_grid_tiles(u, &u->g, false); + draw_info(u, &u->n, false); + notcurses_render(u->nc); + return 0; +} + +static void maybe_destroy_info(struct info *n) +{ + if (n->ip) { + ncplane_destroy(n->ip); + n->ip = NULL; + } +} + +static bool layout_info(struct ui *u, struct info *n, struct ncplane *parent, s32 width, s32 height) +{ + (void)width; + + maybe_destroy_info(n); + + n->max_props = (height - INFO_TILE_HEIGHT - 3) / 2; + if (!n->max_props) return false; + + struct ncplane_options nopts = { 0 }; + + nopts.cols = INFO_TILE_WIDTH; + nopts.rows = INFO_TILE_HEIGHT; + nopts.x = 0; + nopts.y = 1; + + n->ip = ncplane_create(parent, &nopts); + if (!n->ip) { + maybe_destroy_info(n); + return false; + } + + set_info_entry(u, &u->n); + + return true; +} + +static void maybe_destroy_grid(struct grid *g) +{ + if (!g->p) return; + struct tile *t; + al_array_foreach_ptr(g->tiles, i, t) { + ncplane_destroy(t->ip); + t->ip = NULL; + ncplane_destroy(t->p); + t->p = NULL; + } + g->tiles.size = 0; + ncplane_destroy(g->p); + g->p = NULL; +} + +static void set_grid_tiles(struct ui *u, struct grid *g) +{ + u32 index = (g->selected_index - (g->selected_index % g->tiles_per_page)); + + g->min_index = index; + g->max_index = index; + + for (s32 y = 0; y < g->tiles_y; y++) { + for (s32 x = 0; x < g->tiles_x; x++) { + struct tile *t = &al_array_at(g->tiles, y * g->tiles_x + x); + ncplane_erase(t->ip); + t->blitted = false; + ncplane_erase(t->p); + + if (g->max_index >= (s32)u->db.entries.size) { + t->e = NULL; + t->text.s = NULL; + ncplane_erase(t->ip); + continue; + } + + t->e = &al_array_at(u->db.entries, g->max_index); + if (!db_ensure_entry_loaded(&u->db, t->e)) { + x--; + continue; + } + + s32 width = al_wstr_width(&t->e->title); + s32 tx = 2 + ((width < TEXT_WIDTH) ? (TEXT_WIDTH - width) / 2 : 0); + set_scrolling_text(&t->text, &t->e->title, width, TEXT_WIDTH, tx, TILE_HEIGHT - 1); + + g->max_index++; + }} + + g->max_index--; +} + +static bool layout_grid(struct ui *u, struct grid *g, struct ncplane *parent, s32 width, s32 height) +{ + maybe_destroy_grid(g); + + s32 inner_width = width; + s32 inner_height = height; + + g->tiles_x = (s32)(width / TILE_WIDTH); + g->tiles_y = (s32)(height / TILE_HEIGHT); + + if (!g->tiles_x || !g->tiles_y) { + // Window is too small. + return false; + } + + g->tiles_per_page = g->tiles_x * g->tiles_y; + + // Allow 4 pages of tiles in the pool, but never shrink. + if (u->pool.chunk_size < (u32)g->tiles_per_page) { + u->pool.chunk_size = g->tiles_per_page; + u->pool.max = u->pool.chunk_size * 4; + al_array_reserve(u->pool.images, u->pool.max); + } + + while (inner_width && inner_width % g->tiles_x != 0) { + inner_width--; + } + + while (inner_height && inner_height % g->tiles_y != 0) { + inner_height--; + } + + struct ncplane_options nopts = { 0 }; + + nopts.cols = inner_width; + nopts.rows = inner_height; + nopts.x = (width - (g->tiles_x * TILE_WIDTH)) / 2; + nopts.y = (height - (g->tiles_y * TILE_HEIGHT)) / 2; + + g->p = ncplane_create(parent, &nopts); + if (!g->p) return false; + + for (s32 y = 0; y < g->tiles_y; y++) { + for (s32 x = 0; x < g->tiles_x; x++) { + struct tile t = { 0 }; + + nopts.cols = TILE_WIDTH; + nopts.rows = TILE_HEIGHT; + nopts.x = x * TILE_WIDTH; + nopts.y = y * TILE_HEIGHT; + + t.p = ncplane_create(g->p, &nopts); + if (!t.p) { + maybe_destroy_grid(g); + return false; + } + + nopts.cols = TILE_WIDTH - 2; + nopts.rows = TILE_HEIGHT - 2; + nopts.x = 1; + nopts.y = 1; + + t.ip = ncplane_create(t.p, &nopts); + if (!t.ip) { + maybe_destroy_grid(g); + return false; + } + + al_array_push(g->tiles, t); + }} + + set_grid_tiles(u, g); + + return true; +} + +static void maybe_destroy_ui(struct ui *u) +{ + if (u->ip) { + ncplane_destroy(u->ip); + u->ip = NULL; + } + if (u->gp) { + ncplane_destroy(u->gp); + u->gp = NULL; + } + if (u->mp) { + ncplane_destroy(u->mp); + u->mp = NULL; + } + if (u->p) { + ncplane_destroy(u->p); + u->p = NULL; + } +} + +bool layout_ui(struct ui *u) +{ + bool even = u->term_cols % 2 == 0; + + u32 rwidth = (even) ? INFO_RES_WIDTH + 1 : INFO_RES_WIDTH; + u32 rheight = (even) ? INFO_RES_HEIGHT + 1 : INFO_RES_HEIGHT; + + if (u->term_cols < TILE_WIDTH + rwidth || u->term_rows < TILE_HEIGHT + rheight) { + return false; + } + + maybe_destroy_ui(u); + + struct ncplane_options nopts = { 0 }; + + nopts.rows = u->term_rows; + nopts.cols = u->term_cols; + + u->p = ncplane_create(notcurses_stdplane(u->nc), &nopts); + if (!u->p) { + return false; + } + + s32 cols = u->term_cols - rwidth; + s32 rows = u->term_rows - rheight; + + if (cols < 0 || rows < 0) { + maybe_destroy_ui(u); + return false; + } + + nopts.x = 1; + nopts.y = 1; + nopts.cols = cols - 1; + nopts.rows = 1; + + u->mp = ncplane_create(u->p, &nopts); + if (!u->mp) { + maybe_destroy_ui(u); + return false; + } + + nopts.x = 1; + nopts.y = 2; + nopts.cols = cols - 1; + nopts.rows = rows - 2; + + u->gp = ncplane_create(u->p, &nopts); + if (!u->gp) { + maybe_destroy_ui(u); + return false; + } + + if (!layout_grid(u, &u->g, u->gp, nopts.cols, nopts.rows)) { + maybe_destroy_ui(u); + return false; + } + + nopts.x = nopts.cols + ((even) ? INFO_X_OFFSET + 1 : INFO_X_OFFSET); + nopts.y = INFO_Y_OFFSET; + nopts.cols = INFO_WIDTH; + nopts.rows = u->term_rows - rheight; + + u->ip = ncplane_create(u->p, &nopts); + if (!u->ip) { + maybe_destroy_ui(u); + return false; + } + + if (!layout_info(u, &u->n, u->ip, nopts.cols, nopts.rows)) { + maybe_destroy_ui(u); + return false; + } + + return true; +} + +void draw_monitors(struct ui *u, struct monitors *m) +{ + if (!u->layed_out) return; + + s32 width = 0; + char *monitor; + al_array_foreach(m->monitors, i, monitor) { + width += strlen(monitor) + 1; + } + + ncplane_set_styles(u->mp, NCSTYLE_BOLD); + s32 w = ncplane_dim_x(u->mp); + s32 x = ((w - 1) - width) / 2; + ncplane_cursor_move_yx(u->mp, 0, x); + al_array_foreach(m->monitors, i, monitor) { + if (m->flash <= 0.f && u->selected_menu == MENU_MONITORS && i == (u32)m->selected_monitor) { + ncplane_set_bg_rgb8(u->mp, 211, 184, 152); + ncplane_set_fg_rgb8(u->mp, 13, 22, 45); + } else if (i == (u32)m->set_monitor) { + ncplane_set_bg_rgb8(u->mp, 242, 233, 215); + ncplane_set_fg_rgb8(u->mp, 13, 22, 45); + m->flash -= AL_MAX(TIMER_UPDATE_BASE * (u->delay / 1000000.f), 0.001f); + } else { + ncplane_set_fg_rgb8(u->mp, 0xff, 0xff, 0xff); + ncplane_set_bg_palindex(u->mp, 0); + } + ncplane_cursor_move_rel(u->mp, 0, 1); + ncplane_putstr(u->mp, monitor); + } +} + +void draw_info(struct ui *u, struct info *n, bool update_text) +{ + if (!u->layed_out || !n->e) return; + + ncplane_erase(u->ip); + + struct ncvisual_options vopts = { 0 }; + vopts.scaling = NCSCALE_SCALE; + vopts.blitter = PIXEL_BLIT ? NCBLIT_PIXEL : NCBLIT_2x1; + struct image *img = get_image_from_pool(&u->pool, &n->e->preview_path); + if (img && !n->blitted && !img->errored) { + ncplane_erase(n->ip); + img->errored = img->gif && ncvisual_decode_loop(img->v) < 0; + u->delay = ncvisual_get_duration(img->v); + if (!img->errored) { + vopts.n = n->ip; + ncvisual_blit(u->nc, img->v, &vopts); + n->blitted = !img->gif; + } + } + + ncplane_set_fg_rgb8(u->ip, 0xff, 0xff, 0xff); + draw_scrolling_text(u->ip, &n->text, update_text); + + u32 selected_index = n->selected_prop - (n->selected_prop % n->max_props); + struct info_prop *ip = NULL; + u32 i, index; + for (i = 0; i < n->max_props; i++) { + index = i + selected_index; + if (index >= n->props.size) { + break; + } + ip = &al_array_at(n->props, index); + if (u->selected_menu == MENU_INFO && index == (u32)n->selected_prop) { + ncplane_set_fg_rgb8(u->ip, 211, 184, 152); + } else { + ncplane_set_fg_rgb8(u->ip, 0xff, 0xff, 0xff); + } + draw_scrolling_text(u->ip, &ip->text, update_text); + switch (ip->p->type) { + case PROP_TYPE_BOOL: + ncplane_putstr_yx(u->ip, ip->text.y, ip->text.width + 2, + *((bool *)ip->p->value) ? "[x]" : "[ ]"); + break; + case PROP_TYPE_SLIDER: { + char c[16]; + sprintf(c, "%.2f", ((struct slider_value *)ip->p->value)->value); + ncplane_putstr_yx(u->ip, ip->text.y, ip->text.width + 2, c); + break; + } + } + } + if (ip && i == n->max_props && i != n->props.size) { + ncplane_putstr_yx(u->ip, ip->text.y + 1, (INFO_TILE_WIDTH - 1) / 2, "V"); + } +} + +static void set_highlighted_style(struct tile *t, s32 br, s32 bg, s32 bb, s32 fr, s32 fg, s32 fb) +{ + ncplane_set_fg_rgb8(t->p, br, bg, bb); + ncplane_set_bg_alpha(t->p, NCALPHA_TRANSPARENT); + u64 c = 0; + ncchannels_set_bg_rgb8(&c, br, bg, bb); + ncchannels_set_fg_rgb8(&c, br, bg, bb); + c = ncchannels_reverse(c); + ncplane_gradient(t->p, 1, 0, TILE_HEIGHT - 1, TILE_WIDTH, "", 0, c, c, c, c); + for (s32 i = 0; i < TILE_WIDTH; i++) { + ncplane_putwc_yx(t->p, 0, i, L'▂'); + } + ncplane_set_bg_rgb8(t->p, br, bg, bb); + ncplane_set_fg_rgb8(t->p, fr, fg, fb); + ncplane_set_bg_alpha(t->p, NCALPHA_OPAQUE); + ncplane_set_styles(t->p, NCSTYLE_BOLD); +} + +void draw_grid_tiles(struct ui *u, struct grid *g, bool update_text) +{ + if (!u->layed_out) return; + + struct ncvisual_options vopts = { 0 }; + vopts.scaling = NCSCALE_SCALE; + vopts.blitter = PIXEL_BLIT ? NCBLIT_PIXEL : NCBLIT_2x1; + + s32 index = (g->selected_index - (g->selected_index % g->tiles_per_page)); + + struct tile *t; + al_array_foreach_ptr(g->tiles, i, t) { + if (!t->e) continue; + if (t->e->has_preview) { + struct image *img = get_image_from_pool(&u->pool, &t->e->preview_path); + if (img && !t->blitted && !img->errored) { + vopts.n = t->ip; + ncvisual_blit(u->nc, img->v, &vopts); + t->blitted = true; + } + } + if (g->flash <= 0.f && u->selected_menu == MENU_GRID && index == g->selected_index) { + set_highlighted_style(t, 211, 184, 152, 13, 22, 45); + } else if (g->set_index >= 0 && index == g->set_index) { + set_highlighted_style(t, 242, 233, 215, 13, 22, 45); + g->flash -= AL_MAX(TIMER_UPDATE_BASE * (u->delay / 1000000.f), 0.001f); + } else { + ncplane_erase(t->p); + ncplane_set_fg_rgb8(t->p, 0xff, 0xff, 0xff); + ncplane_set_bg_palindex(t->p, 0); + ncplane_set_styles(t->p, 0); + } + if (t->text.s && t->text.s->len) { + draw_scrolling_text(t->p, &t->text, update_text); + } + index++; + } +} + +static bool handle_input_monitors(struct ui *u, struct monitors *m, struct ncinput *input) +{ + bool should_redraw_monitors = false; + bool should_redraw_grid = false; + bool should_redraw_info = false; + switch (input->id) { + case NCKEY_RIGHT: + case 'l': + if ((u32)(m->selected_monitor + 1) >= m->monitors.size) { + return false; + } + m->selected_monitor++; + should_redraw_monitors = true; + break; + case NCKEY_LEFT: + case 'h': + if (m->selected_monitor - 1 < 0) { + return false; + } + m->selected_monitor--; + should_redraw_monitors = true; + break; + case NCKEY_RETURN: + select_monitor(u); + m->flash = FLASH_DURATION; + should_redraw_monitors = true; + should_redraw_grid = true; + should_redraw_info = true; + break; + } + if (should_redraw_monitors) { + draw_monitors(u, m); + } + if (should_redraw_grid) { + set_grid_tiles(u, &u->g); + draw_grid_tiles(u, &u->g, false); + } + if (should_redraw_info) { + set_info_entry(u, &u->n); + draw_info(u, &u->n, false); + } + return should_redraw_monitors || should_redraw_grid || should_redraw_info; +} + +static bool handle_input_info(struct ui *u, struct info *n, struct ncinput *input) +{ + bool should_redraw_info = false; + switch (input->id) { + case NCKEY_DOWN: + case 'j': + if ((u32)(n->selected_prop + 1) >= n->props.size) { + return false; + } + n->selected_prop++; + should_redraw_info = true; + break; + case NCKEY_UP: + case 'k': + if (n->selected_prop - 1 < 0) { + return false; + } + n->selected_prop--; + should_redraw_info = true; + break; + case NCKEY_RETURN: + case NCKEY_SPACE: { + if (!n->props.size) return false; + struct prop *p = &al_array_at(n->e->props, n->selected_prop); + if (p->type == PROP_TYPE_BOOL) { + *((bool *)p->value) = !*((bool *)p->value); + write_selected_entry_to_config(u); + should_redraw_info = true; + } + break; + } + case NCKEY_LEFT: + case 'h': + case NCKEY_RIGHT: + case 'l': + if (!n->props.size) return false; + struct prop *p = &al_array_at(n->e->props, n->selected_prop); + if (p->type == PROP_TYPE_SLIDER) { + struct slider_value *value = (struct slider_value *)p->value; + if (input->id == NCKEY_RIGHT) { + if (value->value == value->max) { + break; + } + if (value->value + value->step <= value->max) { + value->value += value->step; + } else { + value->value = value->max; + } + } else if (input->id == NCKEY_LEFT) { + if (value->value == value->min) { + break; + } + if (value->value - value->step >= value->min) { + value->value -= value->step; + } else { + value->value = value->min; + } + } + write_selected_entry_to_config(u); + should_redraw_info = true; + } + break; + } + if (should_redraw_info) draw_info(u, n, false); + return should_redraw_info; +} + +static bool grid_next_page(struct ui *u, struct grid *g, s32 offset) +{ + s32 max = (s32)u->db.entries.size - 1; + if (g->selected_index == max) { + return false; + } + g->selected_index += g->tiles_per_page - offset; + if (g->selected_index > max) { + g->selected_index = max; + } + return true; +} + +static bool grid_previous_page(struct grid *g, s32 offset) +{ + if (g->selected_index == 0) { + return false; + } + g->selected_index -= g->tiles_per_page - offset; + if (g->selected_index < 0) { + g->selected_index = 0; + } + return true; +} + +static bool handle_input_grid(struct ui *u, struct grid *g, struct ncinput *input) +{ + bool should_update_grid = false; + bool should_redraw_grid = false; + bool should_redraw_info = false; + switch (input->id) { + case NCKEY_RIGHT: + case 'l': + if (g->selected_index + 1 >= (s32)u->db.entries.size) { + return false; + } + if ((g->selected_index + 1) % g->tiles_x == 0) { + should_update_grid = grid_next_page(u, &u->g, g->tiles_x - 1); + } else { + g->selected_index++; + } + should_redraw_info = true; + should_redraw_grid = true; + break; + case NCKEY_LEFT: + case 'h': + if (g->selected_index - 1 < 0) { + return false; + } + if (g->selected_index % g->tiles_x == 0) { + should_update_grid = grid_previous_page(&u->g, g->tiles_x - 1); + } else { + g->selected_index--; + } + should_redraw_info = true; + should_redraw_grid = true; + break; + case NCKEY_DOWN: + case 'j': + if (g->selected_index + g->tiles_x > g->max_index) { + return false; + } + g->selected_index += g->tiles_x; + should_redraw_info = true; + should_redraw_grid = true; + break; + case NCKEY_UP: + case 'k': + if (g->selected_index - g->tiles_x < g->min_index) { + return false; + } + g->selected_index -= g->tiles_x; + should_redraw_info = true; + should_redraw_grid = true; + break; + case 'b': + should_update_grid = grid_previous_page(&u->g, 0); + should_redraw_info = true; + should_redraw_grid = true; + break; + case 'f': + should_update_grid = grid_next_page(u, &u->g, 0); + should_redraw_info = true; + should_redraw_grid = true; + break; + case 'r': + g->set_index = -1; + write_selected_entry_to_config(u); + should_redraw_grid = true; + should_redraw_info = true; + break; + case NCKEY_RETURN: + case NCKEY_SPACE: { + if (g->selected_index >= 0) { + g->set_index = g->selected_index; + g->flash = FLASH_DURATION; + } + write_selected_entry_to_config(u); + should_redraw_grid = true; + should_redraw_info = true; + break; + } + } + if (should_update_grid) { + set_grid_tiles(u, g); + } + if (should_redraw_grid) { + draw_grid_tiles(u, g, false); + } + if (should_redraw_info) { + set_info_entry(u, &u->n); + draw_info(u, &u->n, false); + } + return should_redraw_grid || should_redraw_info; +} + +static void input_poll_callback(void *userdata, s32 revents) +{ + struct ui *u = (struct ui *)userdata; + (void)revents; + struct ncinput input; + bool should_render = false; + u32 ret; + while (1) { + ret = notcurses_get_nblock(u->nc, &input); + if (ret == (u32)-1 || ret == 0) { + break; + } + if (input.evtype == NCTYPE_PRESS || input.evtype == NCTYPE_UNKNOWN) { + if (input.id == NCKEY_TAB) { + switch (u->selected_menu) { + case MENU_GRID: + if (u->n.props.size > 0) { + u->selected_menu = MENU_INFO; + } else { + u->selected_menu = MENU_MONITORS; + } + break; + case MENU_INFO: + if (u->m.selected_monitor >= 0) { + u->selected_menu = MENU_MONITORS; + } else { + u->selected_menu = MENU_GRID; + } + break; + case MENU_MONITORS: + u->selected_menu = MENU_GRID; + break; + } + draw_info(u, &u->n, false); + draw_monitors(u, &u->m); + draw_grid_tiles(u, &u->g, false); + should_render = true; + } else if (input.id == 'q') { + aki_event_loop_break(&u->loop); + } + switch (u->selected_menu) { + case MENU_GRID: + should_render |= handle_input_grid(u, &u->g, &input); + break; + case MENU_INFO: + should_render |= handle_input_info(u, &u->n, &input); + break; + case MENU_MONITORS: + should_render |= handle_input_monitors(u, &u->m, &input); + break; + } + } + } + if (should_render) notcurses_render(u->nc); +} + +static void timer_callback(void *userdata, struct aki_timer *timer) +{ + struct ui *u = (struct ui *)userdata; + (void)timer; + + if (!u->layed_out) { + notcurses_render(u->nc); + return; + } + + if (u->text_update <= 0.f) { + u->text_update = TEXT_UPDATE_RATE; + draw_grid_tiles(u, &u->g, true); + draw_info(u, &u->n, true); + } else { + u->text_update -= AL_MAX(TIMER_UPDATE_BASE * (u->delay / 1000000.f), 0.001f); + draw_grid_tiles(u, &u->g, false); + draw_info(u, &u->n, false); + } + + draw_monitors(u, &u->m); + + notcurses_render(u->nc); + + aki_timer_set_repeat(&u->timer, AKI_TS_FROM_USEC(u->delay)); + aki_timer_again(&u->timer); +} + +static struct ui u = { 0 }; + +s32 main(void) +{ + aki_common_init(); + + if (!db_load_entries(&u.db, al_str_c(WALLPAPER_DIR))) { + return EXIT_FAILURE; + } + + if (!init_ui(&u)) return EXIT_FAILURE; + + notcurses_stddim_yx(u.nc, &u.term_rows, &u.term_cols); + + ncplane_set_resizecb(notcurses_stdplane(u.nc), resize_cb); + ncplane_set_userptr(notcurses_stdplane(u.nc), &u); + + if (!layout_ui(&u)) { + notcurses_stop(u.nc); + al_log_error("taro", "failed to layout ui, your terminal window is probably too small"); + return EXIT_FAILURE; + } + u.layed_out = true; + draw_monitors(&u, &u.m); + + aki_event_loop_init(&u.loop); + + aki_poll_init(&u.input_poll, input_poll_callback, &u); + aki_poll_set(&u.input_poll, notcurses_inputready_fd(u.nc), AKI_POLL_READ); + aki_poll_start(&u.input_poll, &u.loop); + + aki_timer_init(&u.timer, &u.loop, timer_callback, &u); + u.delay = 1000000; // 1fps. + timer_callback(&u, NULL); + + aki_event_loop_run(&u.loop); + + notcurses_stop(u.nc); + + aki_common_close(); + + return EXIT_SUCCESS; +} diff --git a/taro/subprojects/libakiyo.wrap b/taro/subprojects/libakiyo.wrap new file mode 100644 index 0000000..2cd2caa --- /dev/null +++ b/taro/subprojects/libakiyo.wrap @@ -0,0 +1,4 @@ +[wrap-git] +url = https://git.akon.city/libakiyo +revision = master +depth = 1 diff --git a/taro/subprojects/libalabaster.wrap b/taro/subprojects/libalabaster.wrap new file mode 100644 index 0000000..c0358cf --- /dev/null +++ b/taro/subprojects/libalabaster.wrap @@ -0,0 +1,4 @@ +[wrap-git] +url = https://git.akon.city/libalabaster +revision = master +depth = 1 diff --git a/taro/subprojects/notcurses.wrap b/taro/subprojects/notcurses.wrap new file mode 100644 index 0000000..64f6731 --- /dev/null +++ b/taro/subprojects/notcurses.wrap @@ -0,0 +1,12 @@ +[wrap-git] +url = https://github.com/dankamongmen/notcurses.git +revision = 9377370b59e31f3f3adde6eaa89aa875dd84377f +depth = 1 + +patch_directory = notcurses +diff_files = notcurses/duration_and_ffmpeg_fix.diff + +method = cmake + +[provide] +dependency_names = notcurses, notcurses-core diff --git a/taro/subprojects/packagefiles/notcurses/duration_and_ffmpeg_fix.diff b/taro/subprojects/packagefiles/notcurses/duration_and_ffmpeg_fix.diff new file mode 100644 index 0000000..71680f7 --- /dev/null +++ b/taro/subprojects/packagefiles/notcurses/duration_and_ffmpeg_fix.diff @@ -0,0 +1,166 @@ +diff --git a/include/notcurses/notcurses.h b/include/notcurses/notcurses.h +index 9e09cb3..f4da60f 100644 +--- a/include/notcurses/notcurses.h ++++ b/include/notcurses/notcurses.h +@@ -3406,6 +3406,10 @@ API int ncvisual_geom(const struct notcurses* nc, const struct ncvisual* n, + const struct ncvisual_options* vopts, ncvgeom* geom) + __attribute__ ((nonnull (4))); + ++ ++API uint64_t ncvisual_get_duration(const struct ncvisual* n) ++ __attribute__ ((nonnull (1))); ++ + // Destroy an ncvisual. Rendered elements will not be disrupted, but the visual + // can be neither decoded nor rendered any further. + API void ncvisual_destroy(struct ncvisual* ncv); +diff --git a/src/lib/visual-details.h b/src/lib/visual-details.h +index e9347e3..6852b76 100644 +--- a/src/lib/visual-details.h ++++ b/src/lib/visual-details.h +@@ -25,6 +25,7 @@ typedef struct ncvisual { + unsigned pixx, pixy; // pixel geometry, *not* cell geometry + // lines are sometimes padded. this many true bytes per row in data. + unsigned rowstride; ++ uint64_t duration; + bool owndata; // we own data iff owndata == true + } ncvisual; + +diff --git a/src/lib/visual.c b/src/lib/visual.c +index 047b68e..25e8422 100644 +--- a/src/lib/visual.c ++++ b/src/lib/visual.c +@@ -458,6 +458,10 @@ int ncvisual_geom(const notcurses* nc, const ncvisual* n, + &disppxy, &disppxx, &outy, &outx, &placey, &placex); + } + ++uint64_t ncvisual_get_duration(const ncvisual* n){ ++ return n->duration; ++} ++ + void* rgb_loose_to_rgba(const void* data, int rows, int* rowstride, int cols, int alpha){ + if(*rowstride % 4){ // must be a multiple of 4 bytes + return NULL; +diff --git a/src/media/ffmpeg.c b/src/media/ffmpeg.c +index 655f269..d2bf399 100644 +--- a/src/media/ffmpeg.c ++++ b/src/media/ffmpeg.c +@@ -33,6 +33,7 @@ typedef struct ncvisual_details { + struct SwsContext* swsctx; + struct SwsContext* rgbactx; + AVSubtitle subtitle; ++ AVRational timebase; + int stream_index; // match against this following av_read_frame() + int sub_stream_index; // subtitle stream index, can be < 0 if no subtitles + bool packet_outstanding; +@@ -224,9 +225,7 @@ struct ncplane* ffmpeg_subtitle(ncplane* parent, const ncvisual* ncv){ + + static int + averr2ncerr(int averr){ +- if(averr == AVERROR_EOF){ +- return 1; +- } ++ (void)averr; + // FIXME need to map averror codes to ncerrors + //fprintf(stderr, "AVERR: %d/%x %d/%x\n", averr, averr, -averr, -averr); + return -1; +@@ -326,6 +325,11 @@ ffmpeg_decode(ncvisual* n){ + /*if(averr != AVERROR_EOF){ + fprintf(stderr, "Error reading frame info (%s)\n", av_err2str(averr)); + }*/ ++ if(averr == AVERROR_EOF){ ++ // Start flush. ++ unref = false; ++ break; ++ } + return averr2ncerr(averr); + } + unref = true; +@@ -339,10 +343,10 @@ ffmpeg_decode(ncvisual* n){ + } + }while(n->details->packet->stream_index != n->details->stream_index); + n->details->packet_outstanding = true; +- int averr = avcodec_send_packet(n->details->codecctx, n->details->packet); ++ int averr = avcodec_send_packet(n->details->codecctx, unref ? n->details->packet : NULL); + if(averr < 0){ +- n->details->packet_outstanding = false; + av_packet_unref(n->details->packet); ++ n->details->packet_outstanding = false; + //fprintf(stderr, "Error processing AVPacket\n"); + return averr2ncerr(averr); + } +@@ -350,10 +354,16 @@ ffmpeg_decode(ncvisual* n){ + int averr = avcodec_receive_frame(n->details->codecctx, n->details->frame); + if(averr >= 0){ + have_frame = true; ++ }else if(averr == AVERROR_EOF){ ++ n->details->packet_outstanding = false; ++ // Where EOF gets returned during normal operation. ++ return 1; + }else if(averr < 0){ +- av_packet_unref(n->details->packet); +- have_frame = false; ++ if(unref){ ++ av_packet_unref(n->details->packet); ++ } + n->details->packet_outstanding = false; ++ have_frame = false; + if(averr != AVERROR(EAGAIN)){ + return averr2ncerr(averr); + } +@@ -365,6 +375,8 @@ ffmpeg_decode(ncvisual* n){ + n->rowstride = f->linesize[0]; + n->pixx = n->details->frame->width; + n->pixy = n->details->frame->height; ++ const uint64_t pktduration = ffmpeg_pkt_duration(f); ++ n->duration = av_rescale_q(pktduration, n->details->timebase, AV_TIME_BASE_Q); + //fprintf(stderr, "good decode! %d/%d %d %p\n", n->details->frame->height, n->details->frame->width, n->rowstride, f->data); + ncvisual_set_data(n, f->data[0], false); + force_rgba(n); +@@ -457,6 +469,7 @@ ffmpeg_from_file(const char* filename){ + goto err; + } + AVStream* st = ncv->details->fmtctx->streams[ncv->details->stream_index]; ++ ncv->details->timebase = st->time_base; + if((ncv->details->codecctx = avcodec_alloc_context3(ncv->details->codec)) == NULL){ + //fprintf(stderr, "Couldn't allocate decoder for %s\n", filename); + goto err; +@@ -501,14 +514,6 @@ ffmpeg_stream(notcurses* nc, ncvisual* ncv, float timescale, + memcpy(&activevopts, vopts, sizeof(*vopts)); + int ncerr; + do{ +- // codecctx seems to be off by a factor of 2 regularly. instead, go with +- // the time_base from the avformatctx. except ts isn't properly reset for +- // all media when we loop =[. we seem to be accurate enough now with the +- // tbase/ppd. see https://github.com/dankamongmen/notcurses/issues/1352. +- double tbase = av_q2d(ncv->details->fmtctx->streams[ncv->details->stream_index]->time_base); +- if(isnan(tbase)){ +- tbase = 0; +- } + if(activevopts.n){ + ncplane_erase(activevopts.n); // new frame could be partially transparent + } +@@ -529,7 +534,7 @@ ffmpeg_stream(notcurses* nc, ncvisual* ncv, float timescale, + } + // display duration in units of time_base + const uint64_t pktduration = ffmpeg_pkt_duration(ncv->details->frame); +- uint64_t duration = pktduration * tbase * NANOSECS_IN_SEC; ++ uint64_t duration = av_rescale_q(pktduration, ncv->details->timebase, (AVRational){1, NANOSECS_IN_SEC}); + double schedns = nsbegin; + sum_duration += (duration * timescale); + schedns += sum_duration; +@@ -561,11 +566,13 @@ static int + ffmpeg_decode_loop(ncvisual* ncv){ + int r = ffmpeg_decode(ncv); + if(r == 1){ +- if(av_seek_frame(ncv->details->fmtctx, ncv->details->stream_index, 0, AVSEEK_FLAG_FRAME) < 0){ ++ avformat_flush(ncv->details->fmtctx); ++ if(avformat_seek_file(ncv->details->fmtctx, ncv->details->stream_index, 0, 0, 0, AVSEEK_FLAG_FRAME) < 0){ + // FIXME log error + return -1; + } +- if(ffmpeg_decode(ncv) < 0){ ++ avcodec_flush_buffers(ncv->details->codecctx); ++ if(ffmpeg_decode(ncv) != 0){ + return -1; + } + } diff --git a/taro/subprojects/stela.wrap b/taro/subprojects/stela.wrap new file mode 100644 index 0000000..7807a8c --- /dev/null +++ b/taro/subprojects/stela.wrap @@ -0,0 +1,4 @@ +[wrap-git] +url = https://git.akon.city/stela +revision = master +depth = 1 diff --git a/taro/tests/notcurses_ffmpeg.c b/taro/tests/notcurses_ffmpeg.c new file mode 100644 index 0000000..1a9f44d --- /dev/null +++ b/taro/tests/notcurses_ffmpeg.c @@ -0,0 +1,35 @@ +#include <notcurses/notcurses.h> +#include <notcurses/nckeys.h> +#include <al/types.h> +#include <aki/common.h> + +s32 main(void) +{ + if (!aki_common_init()) return EXIT_FAILURE; + + struct notcurses *nc = notcurses_init(NULL, stdin); + + struct ncplane_options nopts = { 0 }; + nopts.cols = 25; + nopts.rows = 15; + nopts.x = 0; + nopts.y = 0; + struct ncplane *p = ncplane_create(notcurses_stdplane(nc), &nopts); + + //struct ncvisual *v = ncvisual_from_file("/home/andrew/c/mauri/workshop_wallpapers_11-8-21/2025095336/preview.gif"); + struct ncvisual *v = ncvisual_from_file("/home/andrew/dl/mp4/This is FRIED [svlczpgt2m3d1].mp4"); + if (!v) goto out; + struct ncvisual_options vopts = { 0 }; + vopts.scaling = NCSCALE_SCALE; + vopts.blitter = NCBLIT_PIXEL; + vopts.n = p; + + ncvisual_stream(nc, v, 1.0f, NULL, &vopts, NULL); + +out: + notcurses_stop(nc); + + aki_common_close(); + + return EXIT_SUCCESS; +} |