int main(int argc, char *argv[])
{
const SDL_VideoInfo *info;
int i;
SDL_Rect **modes;
char driver[128];
if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
fprintf(stderr,
"Couldn't initialize SDL: %s\n", SDL_GetError());
exit(1);
}
if ( SDL_VideoDriverName(driver, sizeof(driver)) ) {
printf("Video driver: %s\n", driver);
}
info = SDL_GetVideoInfo();
printf(
"Current display: %dx%d, %d bits-per-pixel\n",
info->current_w, info->current_h, 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%dx%d\n", modes[i]->w, modes[i]->h, info->vfmt->BitsPerPixel);
}
}
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");
}
if ( argv[1] && (strcmp(argv[1], "-benchmark") == 0) ) {
RunVideoTests();
}
SDL_Quit();
return(0);
}
int
main(int argc, char *argv[])
{
const SDL_VideoInfo *info;
int i, d, n;
const char *driver;
SDL_DisplayMode mode;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
int nmodes;
/* Print available video drivers */
n = SDL_GetNumVideoDrivers();
if (n == 0) {
printf("No built-in video drivers\n");
} else {
printf("Built-in video drivers:");
for (i = 0; i < n; ++i) {
if (i > 0) {
printf(",");
}
printf(" %s", SDL_GetVideoDriver(i));
}
printf("\n");
}
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
exit(1);
}
driver = SDL_GetCurrentVideoDriver();
if (driver) {
printf("Video driver: %s\n", driver);
}
printf("Number of displays: %d\n", SDL_GetNumVideoDisplays());
for (d = 0; d < SDL_GetNumVideoDisplays(); ++d) {
printf("Display %d:\n", d);
SDL_SelectVideoDisplay(d);
SDL_GetDesktopDisplayMode(&mode);
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask, &Gmask, &Bmask,
&Amask);
printf(" Current mode: %dx%d@%dHz, %d bits-per-pixel\n", mode.w,
mode.h, mode.refresh_rate, bpp);
if (Rmask || Gmask || Bmask) {
printf(" Red Mask = 0x%.8x\n", Rmask);
printf(" Green Mask = 0x%.8x\n", Gmask);
printf(" Blue Mask = 0x%.8x\n", Bmask);
if (Amask)
printf(" Alpha Mask = 0x%.8x\n", Amask);
}
/* Print available fullscreen video modes */
nmodes = SDL_GetNumDisplayModes();
if (nmodes == 0) {
printf("No available fullscreen video modes\n");
} else {
printf(" Fullscreen video modes:\n");
for (i = 0; i < nmodes; ++i) {
SDL_GetDisplayMode(i, &mode);
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask,
&Gmask, &Bmask, &Amask);
printf(" Mode %d: %dx%d@%dHz, %d bits-per-pixel\n", i,
mode.w, mode.h, mode.refresh_rate, bpp);
if (Rmask || Gmask || Bmask) {
printf(" Red Mask = 0x%.8x\n", Rmask);
printf(" Green Mask = 0x%.8x\n", Gmask);
printf(" Blue Mask = 0x%.8x\n", Bmask);
if (Amask)
printf(" Alpha Mask = 0x%.8x\n", Amask);
}
}
}
}
info = SDL_GetVideoInfo();
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");
}
printf("Current resolution: %dx%d\n", info->current_w, info->current_h);
#if 0
if (argv[1] && (strcmp(argv[1], "-benchmark") == 0)) {
RunVideoTests();
}
#endif
SDL_Quit();
return (0);
}
