diff options
Diffstat (limited to 'distrib/sdl-1.2.15/test/testvidinfo.c')
-rw-r--r-- | distrib/sdl-1.2.15/test/testvidinfo.c | 465 |
1 files changed, 465 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/test/testvidinfo.c b/distrib/sdl-1.2.15/test/testvidinfo.c new file mode 100644 index 0000000..bbafeb8 --- /dev/null +++ b/distrib/sdl-1.2.15/test/testvidinfo.c @@ -0,0 +1,465 @@ + +/* 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 | \ + SDL_SRCCOLORKEY | SDL_SRCALPHA | SDL_RLEACCEL | \ + SDL_RLEACCELOK) + +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"); + } + if ( flags & SDL_SRCCOLORKEY ) { + printf(" | SDL_SRCCOLORKEY"); + } + if ( flags & SDL_SRCALPHA ) { + printf(" | SDL_SRCALPHA"); + } + if ( flags & SDL_RLEACCEL ) { + printf(" | SDL_RLEACCEL"); + } + if ( flags & SDL_RLEACCELOK ) { + printf(" | SDL_RLEACCELOK"); + } +} + +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, *bmpcc, *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); + } + + /* clear the screen after fill test */ + SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 0, 0, 0)); + SDL_Flip(screen); + + while ( SDL_PollEvent(&event) ) { + if ( event.type == SDL_KEYDOWN ) + return 0; + } + + /* run the generic blit test */ + 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); + } + + /* clear the screen after blit test */ + SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 0, 0, 0)); + SDL_Flip(screen); + + while ( SDL_PollEvent(&event) ) { + if ( event.type == SDL_KEYDOWN ) + return 0; + } + + /* run the colorkeyed blit test */ + bmpcc = SDL_LoadBMP("sample.bmp"); + if ( ! bmpcc ) { + printf("Couldn't load sample.bmp: %s\n", SDL_GetError()); + return 0; + } + printf("Running freshly loaded cc blit test: %dx%d at %d bpp, flags: ", + bmpcc->w, bmpcc->h, bmpcc->format->BitsPerPixel); + SDL_SetColorKey(bmpcc, SDL_SRCCOLORKEY | SDL_RLEACCEL, *(Uint8 *)bmpcc->pixels); + + PrintFlags(bmpcc->flags); + printf("\n"); + then = SDL_GetTicks(); + frames = RunBlitTests(screen, bmpcc, NUM_BLITS); + now = SDL_GetTicks(); + seconds = (float)(now - then) / 1000.0f; + if ( seconds > 0.0f ) { + printf("%d cc blits / %d updates in %2.2f seconds, %2.2f FPS\n", NUM_BLITS*frames, frames, seconds, (float)frames / seconds); + } else { + printf("%d cc blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames); + } + + /* clear the screen after cc blit test */ + SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 0, 0, 0)); + SDL_Flip(screen); + + while ( SDL_PollEvent(&event) ) { + if ( event.type == SDL_KEYDOWN ) + return 0; + } + + /* run the generic blit test */ + 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); + } + + /* clear the screen after blit test */ + SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 0, 0, 0)); + SDL_Flip(screen); + + while ( SDL_PollEvent(&event) ) { + if ( event.type == SDL_KEYDOWN ) + return 0; + } + + /* run the colorkeyed blit test */ + tmp = bmpcc; + bmpcc = SDL_DisplayFormat(bmpcc); + SDL_FreeSurface(tmp); + if ( ! bmpcc ) { + printf("Couldn't convert sample.bmp: %s\n", SDL_GetError()); + return 0; + } + printf("Running display format cc blit test: %dx%d at %d bpp, flags: ", + bmpcc->w, bmpcc->h, bmpcc->format->BitsPerPixel); + PrintFlags(bmpcc->flags); + printf("\n"); + then = SDL_GetTicks(); + frames = RunBlitTests(screen, bmpcc, NUM_BLITS); + now = SDL_GetTicks(); + seconds = (float)(now - then) / 1000.0f; + if ( seconds > 0.0f ) { + printf("%d cc blits / %d updates in %2.2f seconds, %2.2f FPS\n", NUM_BLITS*frames, frames, seconds, (float)frames / seconds); + } else { + printf("%d cc blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames); + } + + /* clear the screen after cc blit test */ + SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 0, 0, 0)); + SDL_Flip(screen); + + while ( SDL_PollEvent(&event) ) { + if ( event.type == SDL_KEYDOWN ) + return 0; + } + + /* run the alpha blit test only if screen bpp>8 */ + if (bmp->format->BitsPerPixel>8) + { + SDL_FreeSurface(bmp); + bmp = SDL_LoadBMP("sample.bmp"); + SDL_SetAlpha(bmp, SDL_SRCALPHA, 85); /* 85 - 33% alpha */ + 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 alpha 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 alpha blits / %d updates in %2.2f seconds, %2.2f FPS\n", NUM_BLITS*frames, frames, seconds, (float)frames / seconds); + } else { + printf("%d alpha blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames); + } + } + + /* clear the screen after alpha blit test */ + SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 0, 0, 0)); + SDL_Flip(screen); + + while ( SDL_PollEvent(&event) ) { + if ( event.type == SDL_KEYDOWN ) + return 0; + } + + /* run the cc+alpha blit test only if screen bpp>8 */ + if (bmp->format->BitsPerPixel>8) + { + SDL_FreeSurface(bmpcc); + bmpcc = SDL_LoadBMP("sample.bmp"); + SDL_SetAlpha(bmpcc, SDL_SRCALPHA, 85); /* 85 - 33% alpha */ + SDL_SetColorKey(bmpcc, SDL_SRCCOLORKEY | SDL_RLEACCEL, *(Uint8 *)bmpcc->pixels); + tmp = bmpcc; + bmpcc = SDL_DisplayFormat(bmpcc); + SDL_FreeSurface(tmp); + if ( ! bmpcc ) { + printf("Couldn't convert sample.bmp: %s\n", SDL_GetError()); + return 0; + } + printf("Running display format cc+alpha blit test: %dx%d at %d bpp, flags: ", + bmpcc->w, bmpcc->h, bmpcc->format->BitsPerPixel); + PrintFlags(bmpcc->flags); + printf("\n"); + then = SDL_GetTicks(); + frames = RunBlitTests(screen, bmpcc, NUM_BLITS); + now = SDL_GetTicks(); + seconds = (float)(now - then) / 1000.0f; + if ( seconds > 0.0f ) { + printf("%d cc+alpha blits / %d updates in %2.2f seconds, %2.2f FPS\n", NUM_BLITS*frames, frames, seconds, (float)frames / seconds); + } else { + printf("%d cc+alpha blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames); + } + } + + SDL_FreeSurface(bmpcc); + 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: %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); +} |