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annotate test/testvidinfo.c @ 512:fd7d603845dd

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*** empty log message ***
author Sam Lantinga <slouken@libsdl.org>
date Sun, 06 Oct 2002 18:38:12 +0000
parents 32190cba6c40
children 1b8ea19e9ee4
rev   line source
0
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1
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2 /* Simple program -- figure out what kind of video display we have */
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3
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4 #include <stdlib.h>
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5 #include <stdio.h>
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6 #include <stdlib.h>
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7
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8 #include "SDL.h"
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9
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10 #define NUM_BLITS 10
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11 #define NUM_UPDATES 500
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12
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13 #define FLAG_MASK (SDL_HWSURFACE | SDL_FULLSCREEN | SDL_DOUBLEBUF)
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14
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15 void PrintFlags(Uint32 flags)
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16 {
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17 printf("0x%8.8x", (flags & FLAG_MASK));
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18 if ( flags & SDL_HWSURFACE ) {
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19 printf(" SDL_HWSURFACE");
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20 } else {
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21 printf(" SDL_SWSURFACE");
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22 }
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23 if ( flags & SDL_FULLSCREEN ) {
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24 printf(" | SDL_FULLSCREEN");
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25 }
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26 if ( flags & SDL_DOUBLEBUF ) {
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27 printf(" | SDL_DOUBLEBUF");
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28 }
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29 }
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30
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31 int RunBlitTests(SDL_Surface *screen, SDL_Surface *bmp, int blitcount)
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32 {
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33 int i, j;
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34 int maxx;
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35 int maxy;
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36 SDL_Rect dst;
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37
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38 maxx = (int)screen->w - bmp->w + 1;
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39 maxy = (int)screen->h - bmp->h + 1;
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40 for ( i = 0; i < NUM_UPDATES; ++i ) {
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41 for ( j = 0; j < blitcount; ++j ) {
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42 if ( maxx ) {
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43 dst.x = rand() % maxx;
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44 } else {
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45 dst.x = 0;
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46 }
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47 if ( maxy ) {
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48 dst.y = rand() % maxy;
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49 } else {
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50 dst.y = 0;
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51 }
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52 dst.w = bmp->w;
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53 dst.h = bmp->h;
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54 SDL_BlitSurface(bmp, NULL, screen, &dst);
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55 }
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56 SDL_Flip(screen);
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57 }
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58
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59 return i;
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60 }
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61
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62 int RunModeTests(SDL_Surface *screen)
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63 {
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64 Uint32 then, now;
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65 Uint32 frames;
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66 float seconds;
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67 int i;
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68 Uint8 r, g, b;
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69 SDL_Surface *bmp, *tmp;
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70 SDL_Event event;
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71
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72 while ( SDL_PollEvent(&event) ) {
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73 if ( event.type == SDL_KEYDOWN )
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74 return 0;
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75 }
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76
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77 /* First test fills and screen update speed */
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78 printf("Running color fill and fullscreen update test\n");
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79 then = SDL_GetTicks();
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80 frames = 0;
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81 for ( i = 0; i < 256; ++i ) {
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82 r = i;
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83 g = 0;
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84 b = 0;
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85 SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b));
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86 SDL_Flip(screen);
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87 ++frames;
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88 }
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89 for ( i = 0; i < 256; ++i ) {
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90 r = 0;
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91 g = i;
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92 b = 0;
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93 SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b));
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94 SDL_Flip(screen);
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95 ++frames;
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96 }
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97 for ( i = 0; i < 256; ++i ) {
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98 r = 0;
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99 g = 0;
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100 b = i;
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101 SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b));
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102 SDL_Flip(screen);
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103 ++frames;
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104 }
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105 now = SDL_GetTicks();
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106 seconds = (float)(now - then) / 1000.0f;
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107 if ( seconds > 0.0f ) {
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108 printf("%d fills and flips in %2.2f seconds, %2.2f FPS\n", frames, seconds, (float)frames / seconds);
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109 } else {
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110 printf("%d fills and flips in zero seconds!n", frames);
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111 }
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112
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113 while ( SDL_PollEvent(&event) ) {
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114 if ( event.type == SDL_KEYDOWN )
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115 return 0;
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116 }
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117
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118 bmp = SDL_LoadBMP("sample.bmp");
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119 if ( ! bmp ) {
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120 printf("Couldn't load sample.bmp: %s\n", SDL_GetError());
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6417071ba2e5 *** empty log message ***
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121 return 0;
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122 }
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123 printf("Running freshly loaded blit test: %dx%d at %d bpp, flags: ",
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124 bmp->w, bmp->h, bmp->format->BitsPerPixel);
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125 PrintFlags(bmp->flags);
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126 printf("\n");
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127 then = SDL_GetTicks();
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128 frames = RunBlitTests(screen, bmp, NUM_BLITS);
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129 now = SDL_GetTicks();
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130 seconds = (float)(now - then) / 1000.0f;
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131 if ( seconds > 0.0f ) {
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132 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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133 } else {
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134 printf("%d blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames);
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diff changeset
135 }
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parents: 266
diff changeset
136
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diff changeset
137 tmp = bmp;
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diff changeset
138 bmp = SDL_DisplayFormat(bmp);
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139 SDL_FreeSurface(tmp);
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diff changeset
140 if ( ! bmp ) {
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diff changeset
141 printf("Couldn't convert sample.bmp: %s\n", SDL_GetError());
482
6417071ba2e5 *** empty log message ***
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diff changeset
142 return 0;
479
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diff changeset
143 }
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diff changeset
144 printf("Running display format blit test: %dx%d at %d bpp, flags: ",
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145 bmp->w, bmp->h, bmp->format->BitsPerPixel);
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146 PrintFlags(bmp->flags);
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diff changeset
147 printf("\n");
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diff changeset
148 then = SDL_GetTicks();
480
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diff changeset
149 frames = RunBlitTests(screen, bmp, NUM_BLITS);
479
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150 now = SDL_GetTicks();
480
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diff changeset
151 seconds = (float)(now - then) / 1000.0f;
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diff changeset
152 if ( seconds > 0.0f ) {
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153 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
154 } else {
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diff changeset
155 printf("%d blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames);
479
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156 }
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157 SDL_FreeSurface(bmp);
480
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158
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
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diff changeset
159 while ( SDL_PollEvent(&event) ) {
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160 if ( event.type == SDL_KEYDOWN )
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161 return 0;
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162 }
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163 return 1;
479
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164 }
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165
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166 void RunVideoTests()
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167 {
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168 static const struct {
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169 int w, h, bpp;
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170 } mode_list[] = {
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171 { 640, 480, 8 }, { 640, 480, 16 }, { 640, 480, 32 },
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172 { 800, 600, 8 }, { 800, 600, 16 }, { 800, 600, 32 },
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173 { 1024, 768, 8 }, { 1024, 768, 16 }, { 1024, 768, 32 }
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174 };
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175 static const Uint32 flags[] = {
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176 (SDL_SWSURFACE),
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diff changeset
177 (SDL_SWSURFACE | SDL_FULLSCREEN),
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178 (SDL_HWSURFACE | SDL_FULLSCREEN),
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179 (SDL_HWSURFACE | SDL_FULLSCREEN | SDL_DOUBLEBUF)
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180 };
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diff changeset
181 int i, j;
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diff changeset
182 SDL_Surface *screen;
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diff changeset
183
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
184 /* 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
185 SDL_WM_SetCaption("SDL Video Benchmark", "vidtest");
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
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parents: 479
diff changeset
186 SDL_ShowCursor(0);
479
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diff changeset
187 for ( i = 0; i < SDL_TABLESIZE(mode_list); ++i ) {
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parents: 266
diff changeset
188 for ( j = 0; j < SDL_TABLESIZE(flags); ++j ) {
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parents: 266
diff changeset
189 printf("===================================\n");
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
190 printf("Setting video mode: %dx%d at %d bpp, flags: ",
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Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
191 mode_list[i].w,
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
192 mode_list[i].h,
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
193 mode_list[i].bpp);
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
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diff changeset
194 PrintFlags(flags[j]);
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
195 printf("\n");
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Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
196 screen = SDL_SetVideoMode(mode_list[i].w,
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parents: 266
diff changeset
197 mode_list[i].h,
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
198 mode_list[i].bpp,
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
199 flags[j]);
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Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
200 if ( ! screen ) {
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
201 printf("Setting video mode failed: %s\n", SDL_GetError());
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
202 continue;
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
203 }
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
204 if ( (screen->flags & FLAG_MASK) != flags[j] ) {
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
205 printf("Flags didn't match: ");
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
206 PrintFlags(screen->flags);
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
207 printf("\n");
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
208 continue;
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
209 }
480
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
Sam Lantinga <slouken@libsdl.org>
parents: 479
diff changeset
210 if ( ! RunModeTests(screen) ) {
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
Sam Lantinga <slouken@libsdl.org>
parents: 479
diff changeset
211 return;
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
Sam Lantinga <slouken@libsdl.org>
parents: 479
diff changeset
212 }
479
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
213 }
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
214 }
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
215 }
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
216
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
217 int main(int argc, char *argv[])
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
218 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
219 const SDL_VideoInfo *info;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
220 int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
221 SDL_Rect **modes;
480
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
Sam Lantinga <slouken@libsdl.org>
parents: 479
diff changeset
222 char driver[128];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
223
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
224 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
225 fprintf(stderr,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
226 "Couldn't initialize SDL: %s\n", SDL_GetError());
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
227 exit(1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
228 }
480
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
Sam Lantinga <slouken@libsdl.org>
parents: 479
diff changeset
229 if ( SDL_VideoDriverName(driver, sizeof(driver)) ) {
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
Sam Lantinga <slouken@libsdl.org>
parents: 479
diff changeset
230 printf("Video driver: %s\n", driver);
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
Sam Lantinga <slouken@libsdl.org>
parents: 479
diff changeset
231 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
232 info = SDL_GetVideoInfo();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
233 printf(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
234 "Current display: %d bits-per-pixel\n",info->vfmt->BitsPerPixel);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
235 if ( info->vfmt->palette == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
236 printf(" Red Mask = 0x%.8x\n", info->vfmt->Rmask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
237 printf(" Green Mask = 0x%.8x\n", info->vfmt->Gmask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
238 printf(" Blue Mask = 0x%.8x\n", info->vfmt->Bmask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
239 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
240 /* Print available fullscreen video modes */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
241 modes = SDL_ListModes(NULL, SDL_FULLSCREEN);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
242 if ( modes == (SDL_Rect **)0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
243 printf("No available fullscreen video modes\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
244 } else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
245 if ( modes == (SDL_Rect **)-1 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
246 printf("No special fullscreen video modes\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
247 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
248 printf("Fullscreen video modes:\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
249 for ( i=0; modes[i]; ++i ) {
266
c6abdda2f666 Added QNX cleanups by Mike Gorchak (thanks!)
Sam Lantinga <slouken@libsdl.org>
parents: 0
diff changeset
250 printf("\t%dx%dx%d\n", modes[i]->w, modes[i]->h, info->vfmt->BitsPerPixel);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
251 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
252 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
253 if ( info->wm_available ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
254 printf("A window manager is available\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
255 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
256 if ( info->hw_available ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
257 printf("Hardware surfaces are available (%dK video memory)\n",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
258 info->video_mem);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
259 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
260 if ( info->blit_hw ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
261 printf(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
262 "Copy blits between hardware surfaces are accelerated\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
263 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
264 if ( info->blit_hw_CC ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
265 printf(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
266 "Colorkey blits between hardware surfaces are accelerated\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
267 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
268 if ( info->blit_hw_A ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
269 printf(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
270 "Alpha blits between hardware surfaces are accelerated\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
271 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
272 if ( info->blit_sw ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
273 printf(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
274 "Copy blits from software surfaces to hardware surfaces are accelerated\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
275 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
276 if ( info->blit_sw_CC ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
277 printf(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
278 "Colorkey blits from software surfaces to hardware surfaces are accelerated\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
279 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
280 if ( info->blit_sw_A ) {
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281 printf(
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282 "Alpha blits from software surfaces to hardware surfaces are accelerated\n");
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283 }
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284 if ( info->blit_fill ) {
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285 printf(
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286 "Color fills on hardware surfaces are accelerated\n");
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287 }
479
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288
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289 if ( argv[1] && (strcmp(argv[1], "-benchmark") == 0) ) {
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290 RunVideoTests();
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291 }
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292
0
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293 SDL_Quit();
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294 return(0);
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295 }