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testvidinfo.c
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/* Simple program -- figure out what kind of video display we have */
#include <stdio.h>
#include <stdlib.h>
#include "SDL.h"
int main(int argc, char *argv[])
{
const SDL_VideoInfo *info;
int i;
SDL_Rect **modes;
if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
fprintf(stderr,
"Couldn't initialize SDL: %s\n", SDL_GetError());
exit(1);
}
info = SDL_GetVideoInfo();
printf(
"Current display: %d bits-per-pixel\n",info->vfmt->BitsPerPixel);
if ( info->vfmt->palette == NULL ) {
printf(" Red Mask = 0x%.8x\n", info->vfmt->Rmask);
printf(" Green Mask = 0x%.8x\n", info->vfmt->Gmask);
printf(" Blue Mask = 0x%.8x\n", info->vfmt->Bmask);
}
/* Print available fullscreen video modes */
modes = SDL_ListModes(NULL, SDL_FULLSCREEN);
if ( modes == (SDL_Rect **)0 ) {
printf("No available fullscreen video modes\n");
} else
if ( modes == (SDL_Rect **)-1 ) {
printf("No special fullscreen video modes\n");
} else {
printf("Fullscreen video modes:\n");
for ( i=0; modes[i]; ++i ) {
printf("\t%dx%d\n", modes[i]->w, modes[i]->h);
}
}
if ( info->wm_available ) {
printf("A window manager is available\n");
}
if ( info->hw_available ) {
printf("Hardware surfaces are available (%dK video memory)\n",
info->video_mem);
}
if ( info->blit_hw ) {
printf(
"Copy blits between hardware surfaces are accelerated\n");
}
if ( info->blit_hw_CC ) {
printf(
"Colorkey blits between hardware surfaces are accelerated\n");
}
if ( info->blit_hw_A ) {
printf(
"Alpha blits between hardware surfaces are accelerated\n");
}
if ( info->blit_sw ) {
printf(
"Copy blits from software surfaces to hardware surfaces are accelerated\n");
}
if ( info->blit_sw_CC ) {
printf(
"Colorkey blits from software surfaces to hardware surfaces are accelerated\n");
}
if ( info->blit_sw_A ) {
printf(
"Alpha blits from software surfaces to hardware surfaces are accelerated\n");
}
if ( info->blit_fill ) {
printf(
"Color fills on hardware surfaces are accelerated\n");
}
SDL_Quit();
return(0);
}