Mercurial > sdl-ios-xcode
view test/testvidinfo.c @ 81:1a2723474f12
Added the SDL_VIDEO_YUV_DIRECT hack for better performance when the
requested video mode is 16 bpp but the real video mode is 32 bpp.
author | Sam Lantinga <slouken@lokigames.com> |
---|---|
date | Mon, 25 Jun 2001 22:16:44 +0000 |
parents | 74212992fb08 |
children | c6abdda2f666 |
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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); }