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annotate test/testvidinfo.c @ 665:d27aab66c5d6

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*** empty log message ***
author Sam Lantinga <slouken@libsdl.org>
date Wed, 06 Aug 2003 20:12:00 +0000
parents 1b8ea19e9ee4
children 30168104389f
rev   line source
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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 #include <string.h>
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8
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9 #include "SDL.h"
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10
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11 #define NUM_BLITS 10
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12 #define NUM_UPDATES 500
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13
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14 #define FLAG_MASK (SDL_HWSURFACE | SDL_FULLSCREEN | SDL_DOUBLEBUF)
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15
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16 void PrintFlags(Uint32 flags)
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17 {
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18 printf("0x%8.8x", (flags & FLAG_MASK));
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19 if ( flags & SDL_HWSURFACE ) {
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20 printf(" SDL_HWSURFACE");
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21 } else {
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22 printf(" SDL_SWSURFACE");
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23 }
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24 if ( flags & SDL_FULLSCREEN ) {
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25 printf(" | SDL_FULLSCREEN");
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26 }
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27 if ( flags & SDL_DOUBLEBUF ) {
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28 printf(" | SDL_DOUBLEBUF");
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29 }
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30 }
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31
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32 int RunBlitTests(SDL_Surface *screen, SDL_Surface *bmp, int blitcount)
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33 {
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34 int i, j;
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35 int maxx;
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36 int maxy;
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37 SDL_Rect dst;
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38
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39 maxx = (int)screen->w - bmp->w + 1;
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40 maxy = (int)screen->h - bmp->h + 1;
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41 for ( i = 0; i < NUM_UPDATES; ++i ) {
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42 for ( j = 0; j < blitcount; ++j ) {
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43 if ( maxx ) {
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44 dst.x = rand() % maxx;
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45 } else {
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46 dst.x = 0;
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47 }
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48 if ( maxy ) {
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49 dst.y = rand() % maxy;
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50 } else {
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51 dst.y = 0;
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52 }
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53 dst.w = bmp->w;
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54 dst.h = bmp->h;
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55 SDL_BlitSurface(bmp, NULL, screen, &dst);
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56 }
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57 SDL_Flip(screen);
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58 }
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59
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60 return i;
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61 }
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62
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63 int RunModeTests(SDL_Surface *screen)
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64 {
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65 Uint32 then, now;
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66 Uint32 frames;
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67 float seconds;
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68 int i;
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69 Uint8 r, g, b;
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70 SDL_Surface *bmp, *tmp;
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71 SDL_Event event;
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72
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73 while ( SDL_PollEvent(&event) ) {
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74 if ( event.type == SDL_KEYDOWN )
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75 return 0;
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76 }
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77
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78 /* First test fills and screen update speed */
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79 printf("Running color fill and fullscreen update test\n");
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80 then = SDL_GetTicks();
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81 frames = 0;
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82 for ( i = 0; i < 256; ++i ) {
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83 r = i;
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84 g = 0;
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85 b = 0;
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86 SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b));
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87 SDL_Flip(screen);
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88 ++frames;
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89 }
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90 for ( i = 0; i < 256; ++i ) {
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91 r = 0;
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92 g = i;
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93 b = 0;
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94 SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b));
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95 SDL_Flip(screen);
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96 ++frames;
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97 }
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98 for ( i = 0; i < 256; ++i ) {
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99 r = 0;
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100 g = 0;
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101 b = i;
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102 SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b));
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103 SDL_Flip(screen);
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104 ++frames;
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105 }
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106 now = SDL_GetTicks();
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107 seconds = (float)(now - then) / 1000.0f;
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108 if ( seconds > 0.0f ) {
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109 printf("%d fills and flips in %2.2f seconds, %2.2f FPS\n", frames, seconds, (float)frames / seconds);
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110 } else {
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111 printf("%d fills and flips in zero seconds!n", frames);
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112 }
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113
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114 while ( SDL_PollEvent(&event) ) {
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115 if ( event.type == SDL_KEYDOWN )
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116 return 0;
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117 }
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118
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119 bmp = SDL_LoadBMP("sample.bmp");
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120 if ( ! bmp ) {
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121 printf("Couldn't load sample.bmp: %s\n", SDL_GetError());
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122 return 0;
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123 }
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124 printf("Running freshly loaded blit test: %dx%d at %d bpp, flags: ",
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125 bmp->w, bmp->h, bmp->format->BitsPerPixel);
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126 PrintFlags(bmp->flags);
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127 printf("\n");
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128 then = SDL_GetTicks();
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129 frames = RunBlitTests(screen, bmp, NUM_BLITS);
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130 now = SDL_GetTicks();
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131 seconds = (float)(now - then) / 1000.0f;
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132 if ( seconds > 0.0f ) {
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133 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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134 } else {
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135 printf("%d blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames);
479
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parents: 266
diff changeset
136 }
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parents: 266
diff changeset
137
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diff changeset
138 tmp = bmp;
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diff changeset
139 bmp = SDL_DisplayFormat(bmp);
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diff changeset
140 SDL_FreeSurface(tmp);
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diff changeset
141 if ( ! bmp ) {
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diff changeset
142 printf("Couldn't convert sample.bmp: %s\n", SDL_GetError());
482
6417071ba2e5 *** empty log message ***
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parents: 480
diff changeset
143 return 0;
479
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diff changeset
144 }
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diff changeset
145 printf("Running display format blit test: %dx%d at %d bpp, flags: ",
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diff changeset
146 bmp->w, bmp->h, bmp->format->BitsPerPixel);
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147 PrintFlags(bmp->flags);
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diff changeset
148 printf("\n");
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diff changeset
149 then = SDL_GetTicks();
480
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diff changeset
150 frames = RunBlitTests(screen, bmp, NUM_BLITS);
479
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151 now = SDL_GetTicks();
480
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diff changeset
152 seconds = (float)(now - then) / 1000.0f;
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diff changeset
153 if ( seconds > 0.0f ) {
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154 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
155 } else {
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diff changeset
156 printf("%d blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames);
479
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157 }
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158 SDL_FreeSurface(bmp);
480
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159
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
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diff changeset
160 while ( SDL_PollEvent(&event) ) {
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161 if ( event.type == SDL_KEYDOWN )
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162 return 0;
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163 }
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164 return 1;
479
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165 }
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166
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167 void RunVideoTests()
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168 {
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169 static const struct {
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170 int w, h, bpp;
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171 } mode_list[] = {
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172 { 640, 480, 8 }, { 640, 480, 16 }, { 640, 480, 32 },
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173 { 800, 600, 8 }, { 800, 600, 16 }, { 800, 600, 32 },
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174 { 1024, 768, 8 }, { 1024, 768, 16 }, { 1024, 768, 32 }
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175 };
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176 static const Uint32 flags[] = {
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177 (SDL_SWSURFACE),
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178 (SDL_SWSURFACE | SDL_FULLSCREEN),
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179 (SDL_HWSURFACE | SDL_FULLSCREEN),
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180 (SDL_HWSURFACE | SDL_FULLSCREEN | SDL_DOUBLEBUF)
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diff changeset
181 };
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diff changeset
182 int i, j;
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diff changeset
183 SDL_Surface *screen;
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diff changeset
184
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
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diff changeset
185 /* 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
186 SDL_WM_SetCaption("SDL Video Benchmark", "vidtest");
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
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diff changeset
187 SDL_ShowCursor(0);
479
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diff changeset
188 for ( i = 0; i < SDL_TABLESIZE(mode_list); ++i ) {
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parents: 266
diff changeset
189 for ( j = 0; j < SDL_TABLESIZE(flags); ++j ) {
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parents: 266
diff changeset
190 printf("===================================\n");
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
191 printf("Setting video mode: %dx%d at %d bpp, flags: ",
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diff changeset
192 mode_list[i].w,
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
193 mode_list[i].h,
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diff changeset
194 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
195 PrintFlags(flags[j]);
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
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diff changeset
196 printf("\n");
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
197 screen = SDL_SetVideoMode(mode_list[i].w,
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parents: 266
diff changeset
198 mode_list[i].h,
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
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diff changeset
199 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
200 flags[j]);
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
201 if ( ! screen ) {
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
202 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
203 continue;
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
204 }
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
205 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
206 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
207 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
208 printf("\n");
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
209 continue;
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
210 }
480
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
Sam Lantinga <slouken@libsdl.org>
parents: 479
diff changeset
211 if ( ! RunModeTests(screen) ) {
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
Sam Lantinga <slouken@libsdl.org>
parents: 479
diff changeset
212 return;
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
Sam Lantinga <slouken@libsdl.org>
parents: 479
diff changeset
213 }
479
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 }
c0a1744bc2cf Added a -benchmark flag for testing the speeds of various video modes
Sam Lantinga <slouken@libsdl.org>
parents: 266
diff changeset
217
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
218 int main(int argc, char *argv[])
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
219 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
220 const SDL_VideoInfo *info;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
221 int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
222 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
223 char driver[128];
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
224
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
225 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
226 fprintf(stderr,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
227 "Couldn't initialize SDL: %s\n", SDL_GetError());
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
228 exit(1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
229 }
480
92596bfe8446 Fixed some bugs and added some features to the -benchmark facility
Sam Lantinga <slouken@libsdl.org>
parents: 479
diff changeset
230 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
231 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
232 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
233 info = SDL_GetVideoInfo();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
234 printf(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
235 "Current display: %d bits-per-pixel\n",info->vfmt->BitsPerPixel);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
236 if ( info->vfmt->palette == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
237 printf(" Red Mask = 0x%.8x\n", info->vfmt->Rmask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
238 printf(" Green Mask = 0x%.8x\n", info->vfmt->Gmask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
239 printf(" Blue Mask = 0x%.8x\n", info->vfmt->Bmask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
240 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
241 /* Print available fullscreen video modes */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
242 modes = SDL_ListModes(NULL, SDL_FULLSCREEN);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
243 if ( modes == (SDL_Rect **)0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
244 printf("No available fullscreen video modes\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
245 } else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
246 if ( modes == (SDL_Rect **)-1 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
247 printf("No special fullscreen video modes\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
248 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
249 printf("Fullscreen video modes:\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
250 for ( i=0; modes[i]; ++i ) {
266
c6abdda2f666 Added QNX cleanups by Mike Gorchak (thanks!)
Sam Lantinga <slouken@libsdl.org>
parents: 0
diff changeset
251 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
252 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
253 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
254 if ( info->wm_available ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
255 printf("A window manager is available\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
256 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
257 if ( info->hw_available ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
258 printf("Hardware surfaces are available (%dK video memory)\n",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
259 info->video_mem);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
260 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
261 if ( info->blit_hw ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
262 printf(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
263 "Copy blits between hardware surfaces are accelerated\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
264 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
265 if ( info->blit_hw_CC ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
266 printf(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
267 "Colorkey blits between hardware surfaces are accelerated\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
268 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
269 if ( info->blit_hw_A ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
270 printf(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
271 "Alpha blits between hardware surfaces are accelerated\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
272 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
273 if ( info->blit_sw ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
274 printf(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
275 "Copy blits from software surfaces to hardware surfaces are accelerated\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
276 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
277 if ( info->blit_sw_CC ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
278 printf(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
279 "Colorkey blits from software surfaces to hardware surfaces are accelerated\n");
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280 }
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281 if ( info->blit_sw_A ) {
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282 printf(
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283 "Alpha blits from software surfaces to hardware surfaces are accelerated\n");
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284 }
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285 if ( info->blit_fill ) {
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286 printf(
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287 "Color fills on hardware surfaces are accelerated\n");
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288 }
479
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289
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290 if ( argv[1] && (strcmp(argv[1], "-benchmark") == 0) ) {
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291 RunVideoTests();
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292 }
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293
0
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294 SDL_Quit();
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295 return(0);
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296 }