project('camu', ['c', 'cpp'], # Marking cpp here is required for subproject cross-builds.
  version: '0.01',
  meson_version: '>=0.63.0', # Wrap diff_files (0.63.0).
  default_options: ['warning_level=2', 'c_std=c99'],
  license: 'GPL-3.0-only')

# Fail early if 'Compiler for build machine not found'.
add_languages('c', 'cpp', native: true)

compiler = meson.get_compiler('c')

is_debug = get_option('debug')
is_minsize = get_option('optimization') == 's'
is_linux = host_machine.system() == 'linux'
is_windows = host_machine.system() == 'windows'
is_msvc = compiler.get_id() == 'msvc' or compiler.get_id() == 'clang-cl'
is_android = host_machine.system() == 'android'
is_static_shared_lib = is_android

cmake = import('cmake')
cmake_reltype = is_minsize ? 'MinSizeRel' : 'Release'

need_server = get_option('server').enabled()
need_client = get_option('client').enabled()
need_sink = get_option('sink').enabled()
no_video = get_option('sink-no-video')
if 'cmsrv' in get_option('fruits')
  if get_option('server').disabled()
    error('cmsrv requires the server component.')
  endif
  need_server = true
endif
if 'cmc' in get_option('fruits')
  if get_option('client').disabled()
    error('cmc requires the client component.')
  endif
  need_client = true
endif
if 'cmv' in get_option('fruits')
  if get_option('sink').disabled()
    error('cmv requires the sink component.')
  endif
  if not get_option('sink-only')
    if get_option('server').disabled()
      error('cmv requires the server component unless in a sink-only configuration.')
    endif
    need_server = true
  endif
  need_sink = true
endif

alabaster = subproject('libalabaster')
naunet_opts = []
if need_server and 'http' in get_option('sources')
  naunet_opts += ['curl=enabled']
endif
if get_option('portal').enabled()
  naunet_opts += ['json=enabled']
endif
naunet = subproject('libnaunet', default_options: naunet_opts)
naunet_has_curl = naunet.get_variable('naunet_has_curl')
naunet_has_mmap = naunet.get_variable('naunet_has_mmap')
common_deps = [alabaster.get_variable('alabaster'), naunet.get_variable('naunet')]

window = get_option('window')
if window == 'auto'
  if is_windows
    window = 'win32'
  elif is_android
    window = 'glfm'
  else
    window = 'wayland'
  endif
endif
renderer_api = get_option('renderer-api')
if renderer_api == 'auto'
  if is_windows
    renderer_api = 'dx11'
  elif is_android
    renderer_api = 'gl'
  else
    renderer_api = 'vulkan'
  endif
endif
stela_opts = ['poll=inline', 'event-buffer=false', 'pause=true', 'window=' + window]
if renderer_api == 'vulkan'
  stela_opts += ['api=vulkan']
elif renderer_api == 'dx11'
  stela_opts += ['api=dx11']
elif renderer_api in ['gl', 'gl-rpi']
  stela_opts += [is_android ? 'api=gles' : 'api=gl']
  if renderer_api == 'gl-rpi'
    stela_opts += ['egl-brcm=true']
  endif
endif
stela = subproject('stela', default_options: stela_opts).get_variable('stela')

subdir('src/util')
common_deps += [util]

subdir('src/cache')
subdir('src/codec')
subdir('src/liana')

if get_option('portal').enabled()
  subdir('src/portal')
endif

if need_server
  subdir('src/server')
endif

if need_client
  subdir('src/libclient')
endif

if need_sink
  subdir('src/buffer')
  subdir('src/mixer')
  if not no_video
    subdir('src/render')
    subdir('src/screen')
  endif
  subdir('src/libsink')
endif

if get_option('fruits') != []
  subdir('src/fruits')
endif

if get_option('tests').allowed() and not meson.is_subproject()
  subdir('tests')
endif