1 files changed, 23 insertions, 0 deletions

diff --git a/gfx-app/include/gfx/gfx_app.h b/gfx-app/include/gfx/gfx_app.h
new file mode 100644
index 0000000..bdb3550
--- /dev/null
+++ b/gfx-app/include/gfx/gfx_app.h
@@ -0,0 +1,23 @@
+#pragma once
+
+#include <stdbool.h>
+
+typedef struct GfxAppDesc {
+  int argc;                 // Number of application arguments.
+  const char** argv;        // Application arguments.
+  int width;                // Window width.
+  int height;               // Window height.
+  int max_fps;              // Desired maximum framerate. 0 to disable.
+  double update_delta_time; // Desired delta time between frame updates.
+} GfxAppDesc;
+
+typedef struct GfxAppCallbacks {
+  bool (*init)(const GfxAppDesc*, void** app_state);
+  void (*update)(void* app_state, double t, double dt);
+  void (*render)(void* app_state);
+  void (*resize)(void* app_state, int width, int height);
+  void (*shutdown)(void* app_state);
+} GfxAppCallbacks;
+
+/// Create a window with an OpenGL context and run the main loop.
+bool gfx_app_run(const GfxAppDesc*, const GfxAppCallbacks*);