add opengl fronend, remove sdl frontend, refactor build system

1 files changed, 64 insertions, 0 deletions

diff --git a/frontends/calculator/CEdev/examples/gfx_template/src/main.c b/frontends/calculator/CEdev/examples/gfx_template/src/main.c
new file mode 100644
index 0000000..2904b0a
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/gfx_template/src/main.c
@@ -0,0 +1,64 @@
+/*
+ *--------------------------------------
+ * Program Name:
+ * Author:
+ * License:
+ * Description:
+ *--------------------------------------
+*/
+
+/* Keep these headers */
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <tice.h>
+
+/* Standard headers (recommended) */
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <graphx.h>
+
+/* Put your function prototypes here */
+void begin();
+void end();
+bool step();
+void draw();
+
+/* Put all your globals here */
+bool partial_redraw;
+
+void main() {
+    begin(); // No rendering allowed!
+    gfx_Begin();
+    gfx_SetDrawBuffer(); // Draw to the buffer to avoid rendering artifats
+
+    while (step()) { // No rendering allowed in step!
+        if (partial_redraw) // Only want to redraw part of the previous frame?
+            gfx_BlitScreen(); // Copy previous frame as a base for this frame
+        draw(); // As little non-rendering logic as possible
+        gfx_SwapDraw(); // Queue the buffered frame to be displayed
+    }
+
+    gfx_End();
+    end();
+}
+
+/* Put other functions here */
+void begin() {
+    /* Implement me! */
+}
+
+void end() {
+    /* Implement me! */
+}
+
+bool step() {
+    /* Implement me! */
+}
+
+void draw() {
+    /* Implement me! */
+}