Add fullscreen

platform_sdl.h

@@ -66,6 +66,10 @@ int main()
 
   SDL_Surface *screenSurface = SDL_GetWindowSurface(window);
 
+#if SFG_FULLSCREEN
+  SDL_SetWindowFullscreen(window,SDL_WINDOW_FULLSCREEN_DESKTOP);
+#endif
+
   sdlKeyboardState = SDL_GetKeyboardState(NULL);
 
   SFG_init();

settings.h

@@ -5,6 +5,11 @@
 #define SFG_RESOLUTION_X 1024
 #define SFG_RESOLUTION_Y 768
 
+/**
+  Hint as to whether run in fullscreen, if the platform allows it.
+*/
+#define SFG_FULLSCREEN 0
+
 /**
   Whether shadows (fog) should be dithered, i.e. more smooth (needs a bit more
   performance).