ui colors

src/app/app.c

@@ -4,4 +4,9 @@
 #include "app_win32.c"
 #elif PLATFORM_WASM
 #include "app_wasm.c"
-#endif
+#endif
+
+fn r2f32_t window_rect_from_frame(app_frame_t *frame) {
+    r2f32_t window_rect = r2f32(0, 0, frame->window_size.x, frame->window_size.y);
+    return window_rect;
+}