test/testvidinfo.c
author Sam Lantinga <slouken@libsdl.org>
Sat, 14 Feb 2004 20:22:21 +0000
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child 886 05c551e5bc64
permissions -rw-r--r--
Date: Sat, 14 Feb 2004 14:52:40 +0200 From: "Mike Gorchak" Subject: Batch of the QNX6 fixes for the SDL 1. Updated readme.QNX 2. Fixed crashes during intensive window updating under fast machines (got over 200 rectangles for update). 3. Fixed double-buffered fullscreen modes, now it works as needed. 4. Fixed Photon detection algorithm. 5. Fixed HWSURFACE update function. 6. Added SDL_PHOTON_FULLSCREEN_REFRESH environment variable support for control refresh rates under Photon. 7. Added 640x400 fullscreen mode emulation via 640x480 (if videodriver not supports original 640x400 mode of course) shifted by 40 vertical pixels from begin, to center it. It's needed for some old DOS games which ran in doubled 320x200 mode. 8. Added available video ram amount support. 8. Added hardware surface allocation/deallocation support if current videomode and videodriver supports it. 9. Added hardware filling support. 10. Added hardware blits support (simple and colorkeyed). And I've added to testvidinfo test color-keyed blits benchmark (maybe need to add alpha blits benchmark too ?). Currently Photon not supporting any alpha hardware blittings (all drivers lack of alpha blitting code support, only software alpha blitting exist in photon, which is hundreds times slowest than the SDL's one). So I've not added the alpha support. I suppose new QNX 6.3 will have the hardware alpha support, so when it will be done, I'll add alpha support.
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/* Simple program -- figure out what kind of video display we have */
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#include <stdlib.h>
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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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#define NUM_BLITS	10
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#define NUM_UPDATES	500
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#define FLAG_MASK	(SDL_HWSURFACE | SDL_FULLSCREEN | SDL_DOUBLEBUF)
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void PrintFlags(Uint32 flags)
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{
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	printf("0x%8.8x", (flags & FLAG_MASK));
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	if ( flags & SDL_HWSURFACE ) {
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		printf(" SDL_HWSURFACE");
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	} else {
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		printf(" SDL_SWSURFACE");
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	}
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	if ( flags & SDL_FULLSCREEN ) {
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		printf(" | SDL_FULLSCREEN");
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	}
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	if ( flags & SDL_DOUBLEBUF ) {
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		printf(" | SDL_DOUBLEBUF");
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	}
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	if ( flags & SDL_SRCCOLORKEY ) {
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		printf(" | SDL_SRCCOLORKEY");
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	}
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	if ( flags & SDL_RLEACCEL ) {
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		printf(" | SDL_RLEACCEL");
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	}
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}
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int RunBlitTests(SDL_Surface *screen, SDL_Surface *bmp, int blitcount)
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{
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	int i, j;
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	int maxx;
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	int maxy;
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	SDL_Rect dst;
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	maxx = (int)screen->w - bmp->w + 1;
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	maxy = (int)screen->h - bmp->h + 1;
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	for ( i = 0; i < NUM_UPDATES; ++i ) {
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		for ( j = 0; j < blitcount; ++j ) {
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			if ( maxx ) {
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				dst.x = rand() % maxx;
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			} else {
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				dst.x = 0;
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			}
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			if ( maxy ) {
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				dst.y = rand() % maxy;
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			} else {
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				dst.y = 0;
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			}
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			dst.w = bmp->w;
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			dst.h = bmp->h;
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			SDL_BlitSurface(bmp, NULL, screen, &dst);
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		}
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		SDL_Flip(screen);
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	}
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	return i;
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}
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int RunModeTests(SDL_Surface *screen)
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{
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	Uint32 then, now;
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	Uint32 frames;
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	float seconds;
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	int i;
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	Uint8 r, g, b;
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	SDL_Surface *bmp, *bmpcc, *tmp;
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	SDL_Event event;
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	while ( SDL_PollEvent(&event) ) {
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		if ( event.type == SDL_KEYDOWN )
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			return 0;
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	}
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	/* First test fills and screen update speed */
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	printf("Running color fill and fullscreen update test\n");
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	then = SDL_GetTicks();
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	frames = 0;
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	for ( i = 0; i < 256; ++i ) {
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		r = i;
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		g = 0;
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		b = 0;
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		SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b));
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		SDL_Flip(screen);
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		++frames;
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	}
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	for ( i = 0; i < 256; ++i ) {
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		r = 0;
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		g = i;
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		b = 0;
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		SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b));
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		SDL_Flip(screen);
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		++frames;
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	}
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	for ( i = 0; i < 256; ++i ) {
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		r = 0;
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		g = 0;
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		b = i;
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		SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b));
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		SDL_Flip(screen);
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		++frames;
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	}
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	now = SDL_GetTicks();
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	seconds = (float)(now - then) / 1000.0f;
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	if ( seconds > 0.0f ) {
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		printf("%d fills and flips in %2.2f seconds, %2.2f FPS\n", frames, seconds, (float)frames / seconds);
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	} else {
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		printf("%d fills and flips in zero seconds!n", frames);
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	}
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	while ( SDL_PollEvent(&event) ) {
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		if ( event.type == SDL_KEYDOWN )
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			return 0;
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	}
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diff changeset
   124
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        /* run the generic blit test */
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	bmp = SDL_LoadBMP("sample.bmp");
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   127
	if ( ! bmp ) {
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   128
		printf("Couldn't load sample.bmp: %s\n", SDL_GetError());
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   129
		return 0;
479
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   130
	}
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   131
	printf("Running freshly loaded blit test: %dx%d at %d bpp, flags: ",
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		bmp->w, bmp->h, bmp->format->BitsPerPixel);
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   133
	PrintFlags(bmp->flags);
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   134
	printf("\n");
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   135
	then = SDL_GetTicks();
480
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   136
	frames = RunBlitTests(screen, bmp, NUM_BLITS);
479
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   137
	now = SDL_GetTicks();
480
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   138
	seconds = (float)(now - then) / 1000.0f;
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diff changeset
   139
	if ( seconds > 0.0f ) {
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   140
		printf("%d blits / %d updates in %2.2f seconds, %2.2f FPS\n", NUM_BLITS*frames, frames, seconds, (float)frames / seconds);
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diff changeset
   141
	} else {
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   142
		printf("%d blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames);
479
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   143
	}
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diff changeset
   144
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        /* run the colorkeyed blit test */
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   146
	bmpcc = SDL_LoadBMP("sample.bmp");
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   147
	if ( ! bmpcc ) {
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   148
		printf("Couldn't load sample.bmp: %s\n", SDL_GetError());
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   149
		return 0;
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   150
	}
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   151
	printf("Running freshly loaded cc blit test: %dx%d at %d bpp, flags: ",
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   152
		bmpcc->w, bmpcc->h, bmpcc->format->BitsPerPixel);
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   153
        SDL_SetColorKey(bmpcc, SDL_SRCCOLORKEY | SDL_RLEACCEL, *(Uint8 *)bmpcc->pixels);
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diff changeset
   154
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   155
	PrintFlags(bmpcc->flags);
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   156
	printf("\n");
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   157
	then = SDL_GetTicks();
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   158
	frames = RunBlitTests(screen, bmpcc, NUM_BLITS);
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   159
	now = SDL_GetTicks();
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   160
	seconds = (float)(now - then) / 1000.0f;
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diff changeset
   161
	if ( seconds > 0.0f ) {
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   162
		printf("%d cc blits / %d updates in %2.2f seconds, %2.2f FPS\n", NUM_BLITS*frames, frames, seconds, (float)frames / seconds);
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diff changeset
   163
	} else {
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   164
		printf("%d cc blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames);
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diff changeset
   165
	}
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diff changeset
   166
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   167
        /* run the generic blit test */
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   168
	tmp = bmp;
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   169
	bmp = SDL_DisplayFormat(bmp);
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   170
	SDL_FreeSurface(tmp);
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   171
	if ( ! bmp ) {
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diff changeset
   172
		printf("Couldn't convert sample.bmp: %s\n", SDL_GetError());
482
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diff changeset
   173
		return 0;
479
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diff changeset
   174
	}
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   175
	printf("Running display format blit test: %dx%d at %d bpp, flags: ",
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   176
		bmp->w, bmp->h, bmp->format->BitsPerPixel);
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diff changeset
   177
	PrintFlags(bmp->flags);
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diff changeset
   178
	printf("\n");
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diff changeset
   179
	then = SDL_GetTicks();
480
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diff changeset
   180
	frames = RunBlitTests(screen, bmp, NUM_BLITS);
479
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diff changeset
   181
	now = SDL_GetTicks();
480
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diff changeset
   182
	seconds = (float)(now - then) / 1000.0f;
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diff changeset
   183
	if ( seconds > 0.0f ) {
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
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diff changeset
   184
		printf("%d blits / %d updates in %2.2f seconds, %2.2f FPS\n", NUM_BLITS*frames, frames, seconds, (float)frames / seconds);
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
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diff changeset
   185
	} else {
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diff changeset
   186
		printf("%d blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames);
479
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diff changeset
   187
	}
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diff changeset
   188
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diff changeset
   189
        /* run the colorkeyed blit test */
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diff changeset
   190
	tmp = bmpcc;
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diff changeset
   191
	bmpcc = SDL_DisplayFormat(bmpcc);
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diff changeset
   192
	SDL_FreeSurface(tmp);
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diff changeset
   193
	if ( ! bmpcc ) {
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diff changeset
   194
		printf("Couldn't convert sample.bmp: %s\n", SDL_GetError());
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diff changeset
   195
		return 0;
30168104389f Date: Sat, 14 Feb 2004 14:52:40 +0200
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diff changeset
   196
	}
30168104389f Date: Sat, 14 Feb 2004 14:52:40 +0200
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diff changeset
   197
	printf("Running display format cc blit test: %dx%d at %d bpp, flags: ",
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diff changeset
   198
		bmpcc->w, bmpcc->h, bmpcc->format->BitsPerPixel);
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diff changeset
   199
	PrintFlags(bmpcc->flags);
30168104389f Date: Sat, 14 Feb 2004 14:52:40 +0200
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diff changeset
   200
	printf("\n");
30168104389f Date: Sat, 14 Feb 2004 14:52:40 +0200
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diff changeset
   201
	then = SDL_GetTicks();
30168104389f Date: Sat, 14 Feb 2004 14:52:40 +0200
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diff changeset
   202
	frames = RunBlitTests(screen, bmpcc, NUM_BLITS);
30168104389f Date: Sat, 14 Feb 2004 14:52:40 +0200
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parents: 524
diff changeset
   203
	now = SDL_GetTicks();
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diff changeset
   204
	seconds = (float)(now - then) / 1000.0f;
30168104389f Date: Sat, 14 Feb 2004 14:52:40 +0200
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parents: 524
diff changeset
   205
	if ( seconds > 0.0f ) {
30168104389f Date: Sat, 14 Feb 2004 14:52:40 +0200
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parents: 524
diff changeset
   206
		printf("%d cc blits / %d updates in %2.2f seconds, %2.2f FPS\n", NUM_BLITS*frames, frames, seconds, (float)frames / seconds);
30168104389f Date: Sat, 14 Feb 2004 14:52:40 +0200
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parents: 524
diff changeset
   207
	} else {
30168104389f Date: Sat, 14 Feb 2004 14:52:40 +0200
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diff changeset
   208
		printf("%d cc blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames);
30168104389f Date: Sat, 14 Feb 2004 14:52:40 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 524
diff changeset
   209
	}
30168104389f Date: Sat, 14 Feb 2004 14:52:40 +0200
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parents: 524
diff changeset
   210
30168104389f Date: Sat, 14 Feb 2004 14:52:40 +0200
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diff changeset
   211
	SDL_FreeSurface(bmpcc);
479
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   212
	SDL_FreeSurface(bmp);
480
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
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diff changeset
   213
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
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diff changeset
   214
	while ( SDL_PollEvent(&event) ) {
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
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diff changeset
   215
		if ( event.type == SDL_KEYDOWN )
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
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diff changeset
   216
			return 0;
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
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diff changeset
   217
	}
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
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diff changeset
   218
	return 1;
479
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   219
}
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   220
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   221
void RunVideoTests()
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diff changeset
   222
{
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   223
	static const struct {
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diff changeset
   224
		int w, h, bpp;
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   225
	} mode_list[] = {
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   226
		{ 640, 480, 8 }, { 640, 480, 16 }, { 640, 480, 32 },
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   227
		{ 800, 600, 8 }, { 800, 600, 16 }, { 800, 600, 32 },
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   228
		{ 1024, 768, 8 }, { 1024, 768, 16 }, { 1024, 768, 32 }
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   229
	};
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diff changeset
   230
	static const Uint32 flags[] = {
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   231
		(SDL_SWSURFACE),
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   232
		(SDL_SWSURFACE | SDL_FULLSCREEN),
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   233
		(SDL_HWSURFACE | SDL_FULLSCREEN),
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   234
		(SDL_HWSURFACE | SDL_FULLSCREEN | SDL_DOUBLEBUF)
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   235
	};
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   236
	int i, j;
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   237
	SDL_Surface *screen;
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   238
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   239
	/* Test out several different video mode combinations */
480
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
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diff changeset
   240
	SDL_WM_SetCaption("SDL Video Benchmark", "vidtest");
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   241
	SDL_ShowCursor(0);
479
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
   242
	for ( i = 0; i < SDL_TABLESIZE(mode_list); ++i ) {
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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parents: 266
diff changeset
   243
		for ( j = 0; j < SDL_TABLESIZE(flags); ++j ) {
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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parents: 266
diff changeset
   244
			printf("===================================\n");
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   245
			printf("Setting video mode: %dx%d at %d bpp, flags: ",
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			                          mode_list[i].w,
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			                          mode_list[i].h,
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			                          mode_list[i].bpp);
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			PrintFlags(flags[j]);
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			printf("\n");
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			screen = SDL_SetVideoMode(mode_list[i].w,
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			                          mode_list[i].h,
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			                          mode_list[i].bpp,
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			                          flags[j]);
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			if ( ! screen ) {
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				printf("Setting video mode failed: %s\n", SDL_GetError());
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				continue;
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			}
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			if ( (screen->flags & FLAG_MASK) != flags[j] ) {
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				printf("Flags didn't match: ");
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				PrintFlags(screen->flags);
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				printf("\n");
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				continue;
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			}
480
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			if ( ! RunModeTests(screen) ) {
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				return;
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			}
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		}
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	}
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}
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0
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int main(int argc, char *argv[])
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{
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	const SDL_VideoInfo *info;
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	int i;
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	SDL_Rect **modes;
480
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	char driver[128];
0
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	if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
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		fprintf(stderr,
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			"Couldn't initialize SDL: %s\n", SDL_GetError());
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		exit(1);
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	}
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	if ( SDL_VideoDriverName(driver, sizeof(driver)) ) {
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		printf("Video driver: %s\n", driver);
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	}
0
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	info = SDL_GetVideoInfo();
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	printf(
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"Current display: %d bits-per-pixel\n",info->vfmt->BitsPerPixel);
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	if ( info->vfmt->palette == NULL ) {
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		printf("	Red Mask = 0x%.8x\n", info->vfmt->Rmask);
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		printf("	Green Mask = 0x%.8x\n", info->vfmt->Gmask);
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		printf("	Blue Mask = 0x%.8x\n", info->vfmt->Bmask);
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	}
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	/* Print available fullscreen video modes */
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	modes = SDL_ListModes(NULL, SDL_FULLSCREEN);
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	if ( modes == (SDL_Rect **)0 ) {
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		printf("No available fullscreen video modes\n");
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	} else
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	if ( modes == (SDL_Rect **)-1 ) {
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		printf("No special fullscreen video modes\n");
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   302
	} else {
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		printf("Fullscreen video modes:\n");
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		for ( i=0; modes[i]; ++i ) {
266
c6abdda2f666 Added QNX cleanups by Mike Gorchak (thanks!)
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			printf("\t%dx%dx%d\n", modes[i]->w, modes[i]->h, info->vfmt->BitsPerPixel);
0
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		}
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   307
	}
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   308
	if ( info->wm_available ) {
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   309
		printf("A window manager is available\n");
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   310
	}
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   311
	if ( info->hw_available ) {
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   312
		printf("Hardware surfaces are available (%dK video memory)\n",
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   313
			info->video_mem);
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diff changeset
   314
	}
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   315
	if ( info->blit_hw ) {
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   316
		printf(
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   317
"Copy blits between hardware surfaces are accelerated\n");
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diff changeset
   318
	}
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   319
	if ( info->blit_hw_CC ) {
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   320
		printf(
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   321
"Colorkey blits between hardware surfaces are accelerated\n");
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diff changeset
   322
	}
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diff changeset
   323
	if ( info->blit_hw_A ) {
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diff changeset
   324
		printf(
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diff changeset
   325
"Alpha blits between hardware surfaces are accelerated\n");
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diff changeset
   326
	}
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   327
	if ( info->blit_sw ) {
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diff changeset
   328
		printf(
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diff changeset
   329
"Copy blits from software surfaces to hardware surfaces are accelerated\n");
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diff changeset
   330
	}
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diff changeset
   331
	if ( info->blit_sw_CC ) {
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diff changeset
   332
		printf(
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parents:
diff changeset
   333
"Colorkey blits from software surfaces to hardware surfaces are accelerated\n");
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parents:
diff changeset
   334
	}
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parents:
diff changeset
   335
	if ( info->blit_sw_A ) {
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parents:
diff changeset
   336
		printf(
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parents:
diff changeset
   337
"Alpha blits from software surfaces to hardware surfaces are accelerated\n");
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parents:
diff changeset
   338
	}
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parents:
diff changeset
   339
	if ( info->blit_fill ) {
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parents:
diff changeset
   340
		printf(
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parents:
diff changeset
   341
"Color fills on hardware surfaces are accelerated\n");
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parents:
diff changeset
   342
	}
479
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   343
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   344
	if ( argv[1] && (strcmp(argv[1], "-benchmark") == 0) ) {
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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   345
		RunVideoTests();
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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diff changeset
   346
	}
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
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   347
0
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   348
	SDL_Quit();
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diff changeset
   349
	return(0);
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diff changeset
   350
}