Mercurial > sdl-ios-xcode
annotate test/testvidinfo.c @ 821:30168104389f
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.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 14 Feb 2004 20:22:21 +0000 |
| parents | 1b8ea19e9ee4 |
| children | 05c551e5bc64 |
| rev | line source |
|---|---|
| 0 | 1 |
| 2 /* Simple program -- figure out what kind of video display we have */ | |
| 3 | |
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4 #include <stdlib.h> |
| 0 | 5 #include <stdio.h> |
| 6 #include <stdlib.h> | |
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7 #include <string.h> |
| 0 | 8 |
| 9 #include "SDL.h" | |
| 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 if ( flags & SDL_SRCCOLORKEY ) { |
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31 printf(" | SDL_SRCCOLORKEY"); |
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32 } |
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33 if ( flags & SDL_RLEACCEL ) { |
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34 printf(" | SDL_RLEACCEL"); |
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35 } |
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36 } |
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37 |
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38 int RunBlitTests(SDL_Surface *screen, SDL_Surface *bmp, int blitcount) |
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39 { |
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40 int i, j; |
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41 int maxx; |
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42 int maxy; |
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43 SDL_Rect dst; |
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44 |
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45 maxx = (int)screen->w - bmp->w + 1; |
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46 maxy = (int)screen->h - bmp->h + 1; |
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47 for ( i = 0; i < NUM_UPDATES; ++i ) { |
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48 for ( j = 0; j < blitcount; ++j ) { |
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49 if ( maxx ) { |
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50 dst.x = rand() % maxx; |
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51 } else { |
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52 dst.x = 0; |
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53 } |
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54 if ( maxy ) { |
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55 dst.y = rand() % maxy; |
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56 } else { |
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57 dst.y = 0; |
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58 } |
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59 dst.w = bmp->w; |
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60 dst.h = bmp->h; |
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61 SDL_BlitSurface(bmp, NULL, screen, &dst); |
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62 } |
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63 SDL_Flip(screen); |
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64 } |
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65 |
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66 return i; |
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67 } |
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68 |
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69 int RunModeTests(SDL_Surface *screen) |
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70 { |
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71 Uint32 then, now; |
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72 Uint32 frames; |
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73 float seconds; |
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74 int i; |
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75 Uint8 r, g, b; |
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76 SDL_Surface *bmp, *bmpcc, *tmp; |
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77 SDL_Event event; |
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78 |
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79 while ( SDL_PollEvent(&event) ) { |
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80 if ( event.type == SDL_KEYDOWN ) |
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81 return 0; |
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82 } |
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83 |
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84 /* First test fills and screen update speed */ |
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85 printf("Running color fill and fullscreen update test\n"); |
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86 then = SDL_GetTicks(); |
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87 frames = 0; |
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88 for ( i = 0; i < 256; ++i ) { |
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89 r = i; |
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90 g = 0; |
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91 b = 0; |
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92 SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b)); |
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93 SDL_Flip(screen); |
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94 ++frames; |
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95 } |
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96 for ( i = 0; i < 256; ++i ) { |
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97 r = 0; |
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98 g = i; |
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99 b = 0; |
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100 SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b)); |
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101 SDL_Flip(screen); |
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102 ++frames; |
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103 } |
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104 for ( i = 0; i < 256; ++i ) { |
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105 r = 0; |
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106 g = 0; |
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107 b = i; |
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108 SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, r, g, b)); |
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109 SDL_Flip(screen); |
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110 ++frames; |
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111 } |
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112 now = SDL_GetTicks(); |
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113 seconds = (float)(now - then) / 1000.0f; |
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114 if ( seconds > 0.0f ) { |
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115 printf("%d fills and flips in %2.2f seconds, %2.2f FPS\n", frames, seconds, (float)frames / seconds); |
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116 } else { |
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117 printf("%d fills and flips in zero seconds!n", frames); |
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118 } |
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119 |
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120 while ( SDL_PollEvent(&event) ) { |
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121 if ( event.type == SDL_KEYDOWN ) |
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122 return 0; |
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123 } |
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124 |
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125 /* run the generic blit test */ |
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126 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; |
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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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132 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(); |
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136 frames = RunBlitTests(screen, bmp, NUM_BLITS); |
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137 now = SDL_GetTicks(); |
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138 seconds = (float)(now - then) / 1000.0f; |
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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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141 } else { |
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142 printf("%d blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames); |
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143 } |
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144 |
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145 /* 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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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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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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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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165 } |
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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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172 printf("Couldn't convert sample.bmp: %s\n", SDL_GetError()); |
|
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173 return 0; |
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174 } |
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175 printf("Running display format blit test: %dx%d at %d bpp, flags: ", |
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176 bmp->w, bmp->h, bmp->format->BitsPerPixel); |
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177 PrintFlags(bmp->flags); |
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178 printf("\n"); |
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179 then = SDL_GetTicks(); |
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180 frames = RunBlitTests(screen, bmp, NUM_BLITS); |
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181 now = SDL_GetTicks(); |
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182 seconds = (float)(now - then) / 1000.0f; |
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183 if ( seconds > 0.0f ) { |
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184 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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185 } else { |
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186 printf("%d blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames); |
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187 } |
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188 |
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189 /* run the colorkeyed blit test */ |
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190 tmp = bmpcc; |
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191 bmpcc = SDL_DisplayFormat(bmpcc); |
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192 SDL_FreeSurface(tmp); |
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193 if ( ! bmpcc ) { |
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194 printf("Couldn't convert sample.bmp: %s\n", SDL_GetError()); |
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195 return 0; |
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196 } |
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197 printf("Running display format cc blit test: %dx%d at %d bpp, flags: ", |
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198 bmpcc->w, bmpcc->h, bmpcc->format->BitsPerPixel); |
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199 PrintFlags(bmpcc->flags); |
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200 printf("\n"); |
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201 then = SDL_GetTicks(); |
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202 frames = RunBlitTests(screen, bmpcc, NUM_BLITS); |
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203 now = SDL_GetTicks(); |
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204 seconds = (float)(now - then) / 1000.0f; |
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205 if ( seconds > 0.0f ) { |
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206 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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207 } else { |
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208 printf("%d cc blits / %d updates in zero seconds!\n", NUM_BLITS*frames, frames); |
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209 } |
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210 |
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211 SDL_FreeSurface(bmpcc); |
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212 SDL_FreeSurface(bmp); |
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213 |
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214 while ( SDL_PollEvent(&event) ) { |
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215 if ( event.type == SDL_KEYDOWN ) |
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216 return 0; |
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217 } |
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218 return 1; |
|
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219 } |
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220 |
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221 void RunVideoTests() |
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222 { |
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223 static const struct { |
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224 int w, h, bpp; |
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225 } mode_list[] = { |
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226 { 640, 480, 8 }, { 640, 480, 16 }, { 640, 480, 32 }, |
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227 { 800, 600, 8 }, { 800, 600, 16 }, { 800, 600, 32 }, |
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228 { 1024, 768, 8 }, { 1024, 768, 16 }, { 1024, 768, 32 } |
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229 }; |
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230 static const Uint32 flags[] = { |
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231 (SDL_SWSURFACE), |
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232 (SDL_SWSURFACE | SDL_FULLSCREEN), |
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233 (SDL_HWSURFACE | SDL_FULLSCREEN), |
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234 (SDL_HWSURFACE | SDL_FULLSCREEN | SDL_DOUBLEBUF) |
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235 }; |
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236 int i, j; |
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237 SDL_Surface *screen; |
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238 |
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239 /* Test out several different video mode combinations */ |
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240 SDL_WM_SetCaption("SDL Video Benchmark", "vidtest"); |
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241 SDL_ShowCursor(0); |
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242 for ( i = 0; i < SDL_TABLESIZE(mode_list); ++i ) { |
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243 for ( j = 0; j < SDL_TABLESIZE(flags); ++j ) { |
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244 printf("===================================\n"); |
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245 printf("Setting video mode: %dx%d at %d bpp, flags: ", |
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246 mode_list[i].w, |
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247 mode_list[i].h, |
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248 mode_list[i].bpp); |
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249 PrintFlags(flags[j]); |
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250 printf("\n"); |
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251 screen = SDL_SetVideoMode(mode_list[i].w, |
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252 mode_list[i].h, |
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253 mode_list[i].bpp, |
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254 flags[j]); |
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255 if ( ! screen ) { |
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256 printf("Setting video mode failed: %s\n", SDL_GetError()); |
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257 continue; |
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258 } |
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259 if ( (screen->flags & FLAG_MASK) != flags[j] ) { |
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260 printf("Flags didn't match: "); |
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261 PrintFlags(screen->flags); |
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262 printf("\n"); |
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263 continue; |
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264 } |
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265 if ( ! RunModeTests(screen) ) { |
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266 return; |
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267 } |
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268 } |
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269 } |
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270 } |
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271 |
| 0 | 272 int main(int argc, char *argv[]) |
| 273 { | |
| 274 const SDL_VideoInfo *info; | |
| 275 int i; | |
| 276 SDL_Rect **modes; | |
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277 char driver[128]; |
| 0 | 278 |
| 279 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) { | |
| 280 fprintf(stderr, | |
| 281 "Couldn't initialize SDL: %s\n", SDL_GetError()); | |
| 282 exit(1); | |
| 283 } | |
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284 if ( SDL_VideoDriverName(driver, sizeof(driver)) ) { |
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285 printf("Video driver: %s\n", driver); |
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286 } |
| 0 | 287 info = SDL_GetVideoInfo(); |
| 288 printf( | |
| 289 "Current display: %d bits-per-pixel\n",info->vfmt->BitsPerPixel); | |
| 290 if ( info->vfmt->palette == NULL ) { | |
| 291 printf(" Red Mask = 0x%.8x\n", info->vfmt->Rmask); | |
| 292 printf(" Green Mask = 0x%.8x\n", info->vfmt->Gmask); | |
| 293 printf(" Blue Mask = 0x%.8x\n", info->vfmt->Bmask); | |
| 294 } | |
| 295 /* Print available fullscreen video modes */ | |
| 296 modes = SDL_ListModes(NULL, SDL_FULLSCREEN); | |
| 297 if ( modes == (SDL_Rect **)0 ) { | |
| 298 printf("No available fullscreen video modes\n"); | |
| 299 } else | |
| 300 if ( modes == (SDL_Rect **)-1 ) { | |
| 301 printf("No special fullscreen video modes\n"); | |
| 302 } else { | |
| 303 printf("Fullscreen video modes:\n"); | |
| 304 for ( i=0; modes[i]; ++i ) { | |
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305 printf("\t%dx%dx%d\n", modes[i]->w, modes[i]->h, info->vfmt->BitsPerPixel); |
| 0 | 306 } |
| 307 } | |
| 308 if ( info->wm_available ) { | |
| 309 printf("A window manager is available\n"); | |
| 310 } | |
| 311 if ( info->hw_available ) { | |
| 312 printf("Hardware surfaces are available (%dK video memory)\n", | |
| 313 info->video_mem); | |
| 314 } | |
| 315 if ( info->blit_hw ) { | |
| 316 printf( | |
| 317 "Copy blits between hardware surfaces are accelerated\n"); | |
| 318 } | |
| 319 if ( info->blit_hw_CC ) { | |
| 320 printf( | |
| 321 "Colorkey blits between hardware surfaces are accelerated\n"); | |
| 322 } | |
| 323 if ( info->blit_hw_A ) { | |
| 324 printf( | |
| 325 "Alpha blits between hardware surfaces are accelerated\n"); | |
| 326 } | |
| 327 if ( info->blit_sw ) { | |
| 328 printf( | |
| 329 "Copy blits from software surfaces to hardware surfaces are accelerated\n"); | |
| 330 } | |
| 331 if ( info->blit_sw_CC ) { | |
| 332 printf( | |
| 333 "Colorkey blits from software surfaces to hardware surfaces are accelerated\n"); | |
| 334 } | |
| 335 if ( info->blit_sw_A ) { | |
| 336 printf( | |
| 337 "Alpha blits from software surfaces to hardware surfaces are accelerated\n"); | |
| 338 } | |
| 339 if ( info->blit_fill ) { | |
| 340 printf( | |
| 341 "Color fills on hardware surfaces are accelerated\n"); | |
| 342 } | |
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343 |
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344 if ( argv[1] && (strcmp(argv[1], "-benchmark") == 0) ) { |
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345 RunVideoTests(); |
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346 } |
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347 |
| 0 | 348 SDL_Quit(); |
| 349 return(0); | |
| 350 } |