typedef struct{
  Uint32 hw_available:1;
  Uint32 wm_available:1;
  Uint32 blit_hw:1;
  Uint32 blit_hw_CC:1;
  Uint32 blit_hw_A:1;
  Uint32 blit_sw:1;
  Uint32 blit_sw_CC:1;
  Uint32 blit_sw_A:1;
  Uint32 blit_fill;
  Uint32 video_mem;
  SDL_PixelFormat *vfmt;
} SDL_VideoInfo;| hw_available | Is it possible to create hardware surfaces? | 
| wm_available | Is there a window manager available | 
| blit_hw | Are hardware to hardware blits accelerated? | 
| blit_hw_CC | Are hardware to hardware colorkey blits accelerated? | 
| blit_hw_A | Are hardware to hardware alpha blits accelerated? | 
| blit_sw | Are software to hardware blits accelerated? | 
| blit_sw_CC | Are software to hardware colorkey blits accelerated? | 
| blit_sw_A | Are software to hardware alpha blits accelerated? | 
| blit_fill | Are color fills accelerated? | 
| video_mem | Total amount of video memory in Kilobytes | 
| vfmt | Pixel format of the video device | 
This (read-only) structure is returned by SDL_GetVideoInfo. It contains information on either the 'best' available mode (if called before SDL_SetVideoMode) or the current video mode.