test/testblitspeed.c
author Ryan C. Gordon <icculus@icculus.org>
Tue, 15 Feb 2005 11:50:33 +0000
changeset 1039 68f2b997758e
child 1231 cf59e7b91ed4
permissions -rw-r--r--
Added testblitspeed to aid in profiling of SDL's blitters.
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/*
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 * Benchmarks surface-to-surface blits in various formats.
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 *
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 *  Written by Ryan C. Gordon.
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "SDL.h"
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static SDL_Surface *dest = NULL;
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static SDL_Surface *src = NULL;
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static int testSeconds = 10;
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static int percent(int val, int total)
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{
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    return((int) ((((float) val) / ((float) total)) * 100.0f));
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}
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static int randRange(int lo, int hi)
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{
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    return(lo + (int) (((double) hi)*rand()/(RAND_MAX+1.0)));
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}
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static void copy_trunc_str(char *str, size_t strsize, const char *flagstr)
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{
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    if ( (strlen(str) + strlen(flagstr)) >= (strsize - 1) )
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        strcpy(str + (strsize - 5), " ...");
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    else
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        strcat(str, flagstr);
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}
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static void __append_sdl_surface_flag(SDL_Surface *_surface, char *str,
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                                      size_t strsize, Uint32 flag,
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                                      const char *flagstr)
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{
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    if (_surface->flags & flag)
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        copy_trunc_str(str, strsize, flagstr);
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} /* append_sdl_surface_flag */
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#define append_sdl_surface_flag(a, b, c, fl) __append_sdl_surface_flag(a, b, c, fl, " " #fl)
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#define print_tf_state(str, val) printf("%s: {%s}\n", str, (val) ? "true" : "false" )
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static void output_surface_details(const char *name, SDL_Surface *surface)
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{
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    printf("Details for %s:\n", name);
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    if (surface == NULL)
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    {
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        printf("-WARNING- You've got a NULL surface!");
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    }
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    else
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    {
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        char f[256];
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        printf("  width  : %d\n", surface->w);
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        printf("  height : %d\n", surface->h);
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        printf("  depth  : %d bits per pixel\n", surface->format->BitsPerPixel);
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        printf("  pitch  : %d\n", (int) surface->pitch);
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        printf("  red    : 0x%08X mask, %d shift, %d loss\n",
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                    (int) surface->format->Rmask,
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                    (int) surface->format->Rshift,
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                    (int) surface->format->Rloss);
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        printf("  green  : 0x%08X mask, %d shift, %d loss\n",
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                    (int) surface->format->Gmask,
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                    (int) surface->format->Gshift,
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                    (int) surface->format->Gloss);
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        printf("  blue   : 0x%08X mask, %d shift, %d loss\n",
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                    (int) surface->format->Bmask,
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                    (int) surface->format->Bshift,
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                    (int) surface->format->Bloss);
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        printf("  alpha  : 0x%08X mask, %d shift, %d loss\n",
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                    (int) surface->format->Amask,
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                    (int) surface->format->Ashift,
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                    (int) surface->format->Aloss);
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        f[0] = '\0';
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        /*append_sdl_surface_flag(surface, f, sizeof (f), SDL_SWSURFACE);*/
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        if ((surface->flags & SDL_HWSURFACE) == 0)
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            copy_trunc_str(f, sizeof (f), " SDL_SWSURFACE");
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        append_sdl_surface_flag(surface, f, sizeof (f), SDL_HWSURFACE);
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        append_sdl_surface_flag(surface, f, sizeof (f), SDL_ASYNCBLIT);
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        append_sdl_surface_flag(surface, f, sizeof (f), SDL_ANYFORMAT);
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        append_sdl_surface_flag(surface, f, sizeof (f), SDL_HWPALETTE);
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        append_sdl_surface_flag(surface, f, sizeof (f), SDL_DOUBLEBUF);
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        append_sdl_surface_flag(surface, f, sizeof (f), SDL_FULLSCREEN);
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        append_sdl_surface_flag(surface, f, sizeof (f), SDL_OPENGL);
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        append_sdl_surface_flag(surface, f, sizeof (f), SDL_OPENGLBLIT);
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        append_sdl_surface_flag(surface, f, sizeof (f), SDL_RESIZABLE);
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        append_sdl_surface_flag(surface, f, sizeof (f), SDL_NOFRAME);
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        append_sdl_surface_flag(surface, f, sizeof (f), SDL_HWACCEL);
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        append_sdl_surface_flag(surface, f, sizeof (f), SDL_SRCCOLORKEY);
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        append_sdl_surface_flag(surface, f, sizeof (f), SDL_RLEACCELOK);
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        append_sdl_surface_flag(surface, f, sizeof (f), SDL_RLEACCEL);
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        append_sdl_surface_flag(surface, f, sizeof (f), SDL_SRCALPHA);
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        append_sdl_surface_flag(surface, f, sizeof (f), SDL_PREALLOC);
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        if (f[0] == '\0')
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            strcpy(f, " (none)");
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        printf("  flags  :%s\n", f);
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        #if 0
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        info = SDL_GetVideoInfo();
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        assert(info != NULL);
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        print_tf_state("hardware surface available", info->hw_available);
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        print_tf_state("window manager available", info->wm_available);
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        print_tf_state("accelerated hardware->hardware blits", info->blit_hw);
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        print_tf_state("accelerated hardware->hardware colorkey blits", info->blit_hw_CC);
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        print_tf_state("accelerated hardware->hardware alpha blits", info->blit_hw_A);
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        print_tf_state("accelerated software->hardware blits", info->blit_sw);
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        print_tf_state("accelerated software->hardware colorkey blits", info->blit_sw_CC);
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        print_tf_state("accelerated software->hardware alpha blits", info->blit_sw_A);
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        print_tf_state("accelerated color fills", info->blit_fill);
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        printf("video memory: (%d)\n", info->video_mem);
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        #endif
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    } /* else */
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   126
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    printf("\n");
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}
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   129
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static void output_details(void)
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{
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    output_surface_details("Source Surface", src);
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    output_surface_details("Destination Surface", dest);
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}
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   135
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static Uint32 blit(SDL_Surface *dst, SDL_Surface *src, int x, int y)
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{
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    Uint32 start = 0;
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    SDL_Rect srcRect;
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    SDL_Rect dstRect;
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    srcRect.x = 0;
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    srcRect.y = 0;
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    dstRect.x = x;
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    dstRect.y = y;
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    dstRect.w = srcRect.w = src->w;  /* SDL will clip as appropriate. */
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    dstRect.h = srcRect.h = src->h;
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    start = SDL_GetTicks();
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    SDL_BlitSurface(src, &srcRect, dst, &dstRect);
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    return(SDL_GetTicks() - start);
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}
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   153
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static void blitCentered(SDL_Surface *dst, SDL_Surface *src)
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{
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    int x = (dst->w - src->w) / 2;
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    int y = (dst->h - src->h) / 2;
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    blit(dst, src, x, y);
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}
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static int atoi_hex(const char *str)
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{
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    if (str == NULL)
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        return 0;
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    if (strlen(str) > 2)
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    {
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        int retval = 0;
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        if ((str[0] == '0') && (str[1] == 'x'))
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            sscanf(str + 2, "%X", &retval);
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        return(retval);
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    }
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    return(atoi(str));
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}
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static int setup_test(int argc, char **argv)
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{
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    const char *dumpfile = NULL;
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    SDL_Surface *bmp = NULL;
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    Uint32 dstbpp = 32;
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    Uint32 dstrmask = 0x00FF0000;
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    Uint32 dstgmask = 0x0000FF00;
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    Uint32 dstbmask = 0x000000FF;
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    Uint32 dstamask = 0x00000000;
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    Uint32 dstflags = 0;
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    int dstw = 640;
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    int dsth = 480;
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    Uint32 srcbpp = 32;
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   191
    Uint32 srcrmask = 0x00FF0000;
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   192
    Uint32 srcgmask = 0x0000FF00;
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   193
    Uint32 srcbmask = 0x000000FF;
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   194
    Uint32 srcamask = 0x00000000;
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   195
    Uint32 srcflags = 0;
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   196
    int srcw = 640;
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    int srch = 480;
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   198
    int screenSurface = 0;
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   199
    int i;
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   200
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   201
    for (i = 1; i < argc; i++)
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    {
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        const char *arg = argv[i];
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   204
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   205
        if (strcmp(arg, "--dstbpp") == 0)
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   206
            dstbpp = atoi(argv[++i]);
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   207
        else if (strcmp(arg, "--dstrmask") == 0)
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   208
            dstrmask = atoi_hex(argv[++i]);
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   209
        else if (strcmp(arg, "--dstgmask") == 0)
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   210
            dstgmask = atoi_hex(argv[++i]);
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   211
        else if (strcmp(arg, "--dstbmask") == 0)
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   212
            dstbmask = atoi_hex(argv[++i]);
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   213
        else if (strcmp(arg, "--dstamask") == 0)
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   214
            dstamask = atoi_hex(argv[++i]);
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   215
        else if (strcmp(arg, "--dstwidth") == 0)
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   216
            dstw = atoi(argv[++i]);
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   217
        else if (strcmp(arg, "--dstheight") == 0)
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   218
            dsth = atoi(argv[++i]);
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   219
        else if (strcmp(arg, "--dsthwsurface") == 0)
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   220
            dstflags |= SDL_HWSURFACE;
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   221
        else if (strcmp(arg, "--srcbpp") == 0)
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   222
            srcbpp = atoi(argv[++i]);
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   223
        else if (strcmp(arg, "--srcrmask") == 0)
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   224
            srcrmask = atoi_hex(argv[++i]);
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   225
        else if (strcmp(arg, "--srcgmask") == 0)
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   226
            srcgmask = atoi_hex(argv[++i]);
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   227
        else if (strcmp(arg, "--srcbmask") == 0)
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   228
            srcbmask = atoi_hex(argv[++i]);
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   229
        else if (strcmp(arg, "--srcamask") == 0)
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   230
            srcamask = atoi_hex(argv[++i]);
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   231
        else if (strcmp(arg, "--srcwidth") == 0)
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   232
            srcw = atoi(argv[++i]);
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   233
        else if (strcmp(arg, "--srcheight") == 0)
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   234
            srch = atoi(argv[++i]);
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   235
        else if (strcmp(arg, "--srchwsurface") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   236
            srcflags |= SDL_HWSURFACE;
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diff changeset
   237
        else if (strcmp(arg, "--seconds") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   238
            testSeconds = atoi(argv[++i]);
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diff changeset
   239
        else if (strcmp(arg, "--screen") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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   240
            screenSurface = 1;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   241
        else if (strcmp(arg, "--dumpfile") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   242
            dumpfile = argv[++i];
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diff changeset
   243
        else
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        {
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            fprintf(stderr, "Unknown commandline option: %s\n", arg);
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            return(0);
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        }
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    }
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   249
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    if (SDL_Init(SDL_INIT_VIDEO) == -1)
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    {
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        fprintf(stderr, "SDL_Init failed: %s\n", SDL_GetError());
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        return(0);
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    }
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    bmp = SDL_LoadBMP("sample.bmp");
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    if (bmp == NULL)
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    {
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        fprintf(stderr, "SDL_LoadBMP failed: %s\n", SDL_GetError());
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        SDL_Quit();
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        return(0);
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    }
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    if ((dstflags & SDL_HWSURFACE) == 0) dstflags |= SDL_SWSURFACE;
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    if ((srcflags & SDL_HWSURFACE) == 0) srcflags |= SDL_SWSURFACE;
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    if (screenSurface)
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        dest = SDL_SetVideoMode(dstw, dsth, dstbpp, dstflags);
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    else
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    {
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        dest = SDL_CreateRGBSurface(dstflags, dstw, dsth, dstbpp,
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                                    dstrmask, dstgmask, dstbmask, dstamask);
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    }
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    if (dest == NULL)
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    {
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        fprintf(stderr, "dest surface creation failed: %s\n", SDL_GetError());
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        SDL_Quit();
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        return(0);
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    }
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   281
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    src = SDL_CreateRGBSurface(srcflags, srcw, srch, srcbpp,
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                               srcrmask, srcgmask, srcbmask, srcamask);
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    if (src == NULL)
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    {
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        fprintf(stderr, "src surface creation failed: %s\n", SDL_GetError());
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        SDL_Quit();
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        return(0);
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   289
    }
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   290
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   291
    /* set some sane defaults so we can see if the blit code is broken... */
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   292
    SDL_FillRect(dest, NULL, SDL_MapRGB(dest->format, 0, 0, 0));
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    SDL_FillRect(src, NULL, SDL_MapRGB(src->format, 0, 0, 0));
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   294
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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   295
    blitCentered(src, bmp);
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   296
    SDL_FreeSurface(bmp);
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   297
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   298
    if (dumpfile)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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   299
        SDL_SaveBMP(src, dumpfile);  /* make sure initial convert is sane. */
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   300
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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   301
    output_details();
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   302
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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   303
    return(1);
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diff changeset
   304
}
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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   305
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   306
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   307
static void test_blit_speed(void)
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   308
{
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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   309
    Uint32 clearColor = SDL_MapRGB(dest->format, 0, 0, 0);
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   310
    Uint32 iterations = 0;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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   311
    Uint32 elasped = 0;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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   312
    Uint32 end = 0;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   313
    Uint32 now = 0;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   314
    Uint32 last = 0;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   315
    int testms = testSeconds * 1000;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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   316
    int wmax = (dest->w - src->w);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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   317
    int hmax = (dest->h - src->h);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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   318
    int isScreen = (SDL_GetVideoSurface() == dest);
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diff changeset
   319
    SDL_Event event;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   320
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   321
    printf("Testing blit speed for %d seconds...\n", testSeconds);
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   322
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   323
    now = SDL_GetTicks();
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   324
    end = now + testms;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   325
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   326
    do
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   327
    {
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   328
        /* pump the event queue occasionally to keep OS happy... */
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   329
        if (now - last > 1000)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   330
        {
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   331
            last = now;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   332
            while (SDL_PollEvent(&event)) { /* no-op. */ }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
   333
        }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
   334
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   335
        iterations++;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   336
        elasped += blit(dest, src, randRange(0, wmax), randRange(0, hmax));
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
   337
        if (isScreen)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   338
        {
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   339
            SDL_Flip(dest);  /* show it! */
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   340
            SDL_FillRect(dest, NULL, clearColor); /* blank it for next time! */
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
   341
        }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
   342
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   343
        now = SDL_GetTicks();
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   344
    } while (now < end);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   345
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   346
    printf("Non-blitting crap accounted for %d percent of this run.\n",
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
   347
            percent(testms - elasped, testms));
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
   348
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   349
    printf("%d blits took %d ms (%d fps).\n",
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   350
            (int) iterations,
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   351
            (int) elasped,
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   352
            (int) (((float)iterations) / (((float)elasped) / 1000.0f)));
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
   353
}
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
   354
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   355
int main(int argc, char **argv)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   356
{
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   357
    int initialized = setup_test(argc, argv);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
   358
    if (initialized)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   359
    {
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
   360
        test_blit_speed();
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   361
        SDL_Quit();
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   362
    }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   363
    return(!initialized);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   364
}
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   365
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
   366
/* end of testblitspeed.c ... */
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
   367