Mercurial > sdl-ios-xcode
view test/testvidinfo.c @ 662:66c02f83f5bf
Date: Sun, 27 Jul 2003 22:37:59 +0200
From: Max Horn
Subject: SDL whitespace patch
this patch is lowest priority: it only contains indention fixes. In
some places, instead of tabs, whitespaces where used for indention. But
of course that only "looks good" if you use the exact same tab width as
the author of those files. I tried to replace such cases with tabs for
a more uniform indention. I only did that for a few files.
So, no code changes in this, only whitespaces transformed.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Mon, 28 Jul 2003 01:47:55 +0000 |
parents | 1b8ea19e9ee4 |
children | 30168104389f |
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/* Simple program -- figure out what kind of video display we have */ #include <stdlib.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include "SDL.h" #define NUM_BLITS 10 #define NUM_UPDATES 500 #define FLAG_MASK (SDL_HWSURFACE | SDL_FULLSCREEN | SDL_DOUBLEBUF) void PrintFlags(Uint32 flags) { printf("0x%8.8x", (flags & FLAG_MASK)); if ( flags & SDL_HWSURFACE ) { printf(" SDL_HWSURFACE"); } else { printf(" SDL_SWSURFACE"); } if ( flags & SDL_FULLSCREEN ) { printf(" | SDL_FULLSCREEN"); } if ( flags & SDL_DOUBLEBUF ) { printf(" | SDL_DOUBLEBUF"); } } int RunBlitTests(SDL_Surface *screen, SDL_Surface *bmp, int blitcount) { int i, j; int maxx; int maxy; SDL_Rect dst; maxx = (int)screen->w - bmp->w + 1; maxy = (int)screen->h - bmp->h + 1; for ( i = 0; i < NUM_UPDATES; ++i ) { for ( j = 0; j < blitcount; ++j ) { if ( maxx ) { dst.x = rand() % maxx; } else { dst.x = 0; } if ( maxy ) { dst.y = rand() % maxy; } else { dst.y = 0; } dst.w = bmp->w; dst.h = bmp->h; SDL_BlitSurface(bmp, NULL, screen, &dst); } SDL_Flip(screen); } return i; } int RunModeTests(SDL_Surface *screen) { Uint32 then, now; Uint32 frames; float seconds; int i; Uint8 r, g, b; SDL_Surface *bmp, *tmp; SDL_Event event; while ( SDL_PollEvent(&event) ) { if ( event.type == SDL_KEYDOWN ) return 0; } /* First test fills and screen update speed */ printf("Running color fill and fullscreen update test\n"); then = SDL_GetTicks(); frames = 0; for ( i = 0; i < 256; ++i ) { r = i; g = 0; b = 0; SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b)); SDL_Flip(screen); ++frames; } for ( i = 0; i < 256; ++i ) { r = 0; g = i; b = 0; SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b)); SDL_Flip(screen); ++frames; } for ( i = 0; i < 256; ++i ) { r = 0; g = 0; b = i; SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b)); SDL_Flip(screen); ++frames; } now = SDL_GetTicks(); seconds = (float)(now - then) / 1000.0f; if ( seconds > 0.0f ) { printf("%d fills and flips in %2.2f seconds, %2.2f FPS\n", frames, seconds, (float)frames / seconds); } else { printf("%d fills and flips in zero seconds!n", frames); } while ( SDL_PollEvent(&event) ) { if ( event.type == SDL_KEYDOWN ) return 0; } bmp = SDL_LoadBMP("sample.bmp"); if ( ! bmp ) { printf("Couldn't load sample.bmp: %s\n", SDL_GetError()); return 0; } printf("Running freshly loaded blit test: %dx%d at %d bpp, flags: ", bmp->w, bmp->h, bmp->format->BitsPerPixel); PrintFlags(bmp->flags); printf("\n"); then = SDL_GetTicks(); frames = RunBlitTests(screen, bmp, NUM_BLITS); now = SDL_GetTicks(); seconds = (float)(now - then) / 1000.0f; if ( seconds > 0.0f ) { printf("%d blits / %d updates in %2.2f seconds, %2.2f FPS\n", NUM_BLITS*frames, frames, seconds, (float)frames / seconds); } else { printf("%d blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames); } tmp = bmp; bmp = SDL_DisplayFormat(bmp); SDL_FreeSurface(tmp); if ( ! bmp ) { printf("Couldn't convert sample.bmp: %s\n", SDL_GetError()); return 0; } printf("Running display format blit test: %dx%d at %d bpp, flags: ", bmp->w, bmp->h, bmp->format->BitsPerPixel); PrintFlags(bmp->flags); printf("\n"); then = SDL_GetTicks(); frames = RunBlitTests(screen, bmp, NUM_BLITS); now = SDL_GetTicks(); seconds = (float)(now - then) / 1000.0f; if ( seconds > 0.0f ) { printf("%d blits / %d updates in %2.2f seconds, %2.2f FPS\n", NUM_BLITS*frames, frames, seconds, (float)frames / seconds); } else { printf("%d blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames); } SDL_FreeSurface(bmp); while ( SDL_PollEvent(&event) ) { if ( event.type == SDL_KEYDOWN ) return 0; } return 1; } void RunVideoTests() { static const struct { int w, h, bpp; } mode_list[] = { { 640, 480, 8 }, { 640, 480, 16 }, { 640, 480, 32 }, { 800, 600, 8 }, { 800, 600, 16 }, { 800, 600, 32 }, { 1024, 768, 8 }, { 1024, 768, 16 }, { 1024, 768, 32 } }; static const Uint32 flags[] = { (SDL_SWSURFACE), (SDL_SWSURFACE | SDL_FULLSCREEN), (SDL_HWSURFACE | SDL_FULLSCREEN), (SDL_HWSURFACE | SDL_FULLSCREEN | SDL_DOUBLEBUF) }; int i, j; SDL_Surface *screen; /* Test out several different video mode combinations */ SDL_WM_SetCaption("SDL Video Benchmark", "vidtest"); SDL_ShowCursor(0); for ( i = 0; i < SDL_TABLESIZE(mode_list); ++i ) { for ( j = 0; j < SDL_TABLESIZE(flags); ++j ) { printf("===================================\n"); printf("Setting video mode: %dx%d at %d bpp, flags: ", mode_list[i].w, mode_list[i].h, mode_list[i].bpp); PrintFlags(flags[j]); printf("\n"); screen = SDL_SetVideoMode(mode_list[i].w, mode_list[i].h, mode_list[i].bpp, flags[j]); if ( ! screen ) { printf("Setting video mode failed: %s\n", SDL_GetError()); continue; } if ( (screen->flags & FLAG_MASK) != flags[j] ) { printf("Flags didn't match: "); PrintFlags(screen->flags); printf("\n"); continue; } if ( ! RunModeTests(screen) ) { return; } } } } 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: %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%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); }