}
else {
if (SDL_MUSTLOCK(plat_sdl_screen))
SDL_UnlockSurface(plat_sdl_screen);
SDL_Flip(plat_sdl_screen);
g_screen_ptr = plat_sdl_screen->pixels;
}
else {
if (SDL_MUSTLOCK(plat_sdl_screen))
SDL_UnlockSurface(plat_sdl_screen);
SDL_Flip(plat_sdl_screen);
g_screen_ptr = plat_sdl_screen->pixels;