1 files changed, 14 insertions, 16 deletions

diff --git a/app/include/gfx/app.h b/app/include/gfx/app.h
index 77b6ad2..639fa2d 100644
--- a/app/include/gfx/app.h
+++ b/app/include/gfx/app.h
@@ -1,7 +1,6 @@
 #pragma once
 
-#include <stdbool.h>
-
+typedef struct GfxApp      GfxApp;
 typedef struct GfxAppState GfxAppState;
 
 /// Application settings.
@@ -16,11 +15,11 @@ typedef struct GfxAppDesc {
   GfxAppState* app_state;
 } GfxAppDesc;
 
-typedef bool (*GfxAppInit)(GfxAppState*, int argc, const char** argv);
-typedef void (*GfxAppShutdown)(GfxAppState*);
-typedef void (*GfxAppUpdate)(GfxAppState*, double t, double dt);
-typedef void (*GfxAppRender)(GfxAppState*);
-typedef void (*GfxAppResize)(GfxAppState*, int width, int height);
+typedef bool (*GfxAppInit)(GfxApp*, GfxAppState*, int argc, const char** argv);
+typedef void (*GfxAppShutdown)(GfxApp*, GfxAppState*);
+typedef void (*GfxAppUpdate)(GfxApp*, GfxAppState*, double t, double dt);
+typedef void (*GfxAppRender)(const GfxApp*, GfxAppState*);
+typedef void (*GfxAppResize)(GfxApp*, GfxAppState*, int width, int height);
 
 /// Application callback functions.
 typedef struct GfxAppCallbacks {
@@ -74,13 +73,13 @@ extern "C" {
 bool gfx_app_run(const GfxAppDesc*, const GfxAppCallbacks*);
 
 /// Get the mouse coordinates relative to the app's window.
-void gfx_app_get_mouse_position(double* x, double* y);
+void gfx_app_get_mouse_position(GfxApp*, double* x, double* y);
 
 /// Return if the given mouse button is pressed.
-bool gfx_app_is_mouse_button_pressed(MouseButton);
+bool gfx_app_is_mouse_button_pressed(GfxApp*, MouseButton);
 
 /// Return true if the given key is pressed.
-bool gfx_app_is_key_pressed(Key);
+bool gfx_app_is_key_pressed(GfxApp*, Key);
 
 #ifdef __cplusplus
 } // extern "C"
@@ -102,11 +101,10 @@ bool gfx_app_is_key_pressed(Key);
             .title             = TITLE,                                     \
             .app_state         = &app_state,                                \
         },                                                                  \
-        &(GfxAppCallbacks){                                                 \
-            .init     = (GfxAppInit)Init,                                   \
-            .shutdown = (GfxAppShutdown)Shutdown,                           \
-            .update   = (GfxAppUpdate)Update,                               \
-            .render   = (GfxAppRender)Render,                               \
-            .resize   = (GfxAppResize)Resize});                               \
+        &(GfxAppCallbacks){.init     = Init,                                \
+                           .shutdown = Shutdown,                            \
+                           .update   = Update,                              \
+                           .render   = Render,                              \
+                           .resize   = Resize});                              \
     return 0;                                                               \
   }