Make gfx_draw return int

src/game/src/game.c

@@ -94,7 +94,9 @@ int game(void)
         }
 
         instance_cyclic();
-        gfx_draw();
+
+        if (gfx_draw())
+            goto end;
     }
 
     ret = 0;

src/gfx/inc/gfx.h

@@ -11,7 +11,7 @@ extern "C"
 #endif
 
 int gfx_init(void);
-void gfx_draw(void);
+int gfx_draw(void);
 int gfx_toggle_fullscreen(void);
 void sprite_sort(struct sprite *s);
 int sprite_clone(const struct sprite *src, struct sprite *dst);

src/gfx/ps1/src/sort.c

@@ -55,7 +55,7 @@ static void gfx_sync(void)
     vblank_set = false;
 }
 
-void gfx_draw(void)
+int gfx_draw(void)
 {
     static union gfx_sznext term = {.cmd_next = 0xffffff};
 
@@ -71,4 +71,5 @@ void gfx_draw(void)
 	D2_BCR = 0;
 	D2_CHCR = (1 << 0xa) | 1 | (1 << 0x18);
     first = NULL;
+    return 0;
 }

src/gfx/sdl-1.2/src/env.c

@@ -158,7 +158,7 @@ int gfx_toggle_fullscreen(void)
     return 0;
 }
 
-void gfx_draw(void)
+int gfx_draw(void)
 {
     enum {FPS = 50, REFRESH_MS = 1000 / FPS};
     static Uint32 prev;
@@ -170,7 +170,11 @@ void gfx_draw(void)
     prev = SDL_GetTicks();
 
     if (SDL_Flip(screen))
+    {
         fprintf(stderr, "SDL_Flip: %s\n", SDL_GetError());
+        return -1;
+    }
 
     get_resize_events();
+    return 0;
 }