#include <stdio.h>
#include <SDL/SDL.h>

int main(int argc, char** argv)
{
   const int screen_flags = SDL_HWSURFACE | SDL_ASYNCBLIT | SDL_HWACCEL;
   int i, is_fullscreen;
   int width = 1920;
   int height = 1080;

   if (SDL_Init (SDL_INIT_VIDEO)) {
      printf("no sdl\n");
      return 1;
   }

   const SDL_VideoInfo *vi = SDL_GetVideoInfo();
   if (!vi) {
      printf("no GetVideoInfo\n");
      return 1;
   }
   width = vi->current_w;
   height = vi->current_h;
   printf("Fullscreen size: %dx%d\n", width, height);

   is_fullscreen = 1;
   for (i=0; i<50; ++i)
   {
      is_fullscreen = !is_fullscreen;
      SDL_SetVideoMode(width, height, 0,
            (screen_flags | (is_fullscreen?SDL_FULLSCREEN:SDL_RESIZABLE)) );

      for (;;) {
         SDL_Event event;
         if (!SDL_PollEvent(&event))
            break;
      }
   }
quit:
   printf("exiting\n");
   return 0;
}