Mercurial > sdl-ios-xcode
annotate test/testblitspeed.c @ 4271:c57d816eb9c5 SDL-1.2
Updated version for mingw32 build
author | Sam Lantinga <slouken@libsdl.org> |
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date | Fri, 02 Oct 2009 11:12:04 +0000 |
parents | cf59e7b91ed4 |
children | e49147870aac c121d94672cb |
rev | line source |
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1 /* |
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2 * Benchmarks surface-to-surface blits in various formats. |
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3 * |
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4 * Written by Ryan C. Gordon. |
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5 */ |
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6 |
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7 #include <stdio.h> |
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8 #include <stdlib.h> |
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9 #include <string.h> |
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10 |
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11 #include "SDL.h" |
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12 |
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13 static SDL_Surface *dest = NULL; |
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14 static SDL_Surface *src = NULL; |
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15 static int testSeconds = 10; |
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16 |
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17 |
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18 static int percent(int val, int total) |
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19 { |
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20 return((int) ((((float) val) / ((float) total)) * 100.0f)); |
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21 } |
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22 |
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23 static int randRange(int lo, int hi) |
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24 { |
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25 return(lo + (int) (((double) hi)*rand()/(RAND_MAX+1.0))); |
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26 } |
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27 |
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28 static void copy_trunc_str(char *str, size_t strsize, const char *flagstr) |
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29 { |
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30 if ( (strlen(str) + strlen(flagstr)) >= (strsize - 1) ) |
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31 strcpy(str + (strsize - 5), " ..."); |
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32 else |
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33 strcat(str, flagstr); |
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34 } |
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35 |
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36 static void __append_sdl_surface_flag(SDL_Surface *_surface, char *str, |
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37 size_t strsize, Uint32 flag, |
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38 const char *flagstr) |
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39 { |
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40 if (_surface->flags & flag) |
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41 copy_trunc_str(str, strsize, flagstr); |
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42 } |
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43 |
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44 |
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45 #define append_sdl_surface_flag(a, b, c, fl) __append_sdl_surface_flag(a, b, c, fl, " " #fl) |
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46 #define print_tf_state(str, val) printf("%s: {%s}\n", str, (val) ? "true" : "false" ) |
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47 |
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48 static void output_videoinfo_details(void) |
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49 { |
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50 const SDL_VideoInfo *info = SDL_GetVideoInfo(); |
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51 printf("SDL_GetVideoInfo():\n"); |
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52 if (info == NULL) |
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53 printf(" (null.)\n"); |
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54 else |
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55 { |
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56 print_tf_state(" hardware surface available", info->hw_available); |
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57 print_tf_state(" window manager available", info->wm_available); |
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58 print_tf_state(" accelerated hardware->hardware blits", info->blit_hw); |
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59 print_tf_state(" accelerated hardware->hardware colorkey blits", info->blit_hw_CC); |
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60 print_tf_state(" accelerated hardware->hardware alpha blits", info->blit_hw_A); |
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61 print_tf_state(" accelerated software->hardware blits", info->blit_sw); |
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62 print_tf_state(" accelerated software->hardware colorkey blits", info->blit_sw_CC); |
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63 print_tf_state(" accelerated software->hardware alpha blits", info->blit_sw_A); |
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64 print_tf_state(" accelerated color fills", info->blit_fill); |
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65 printf(" video memory: (%d)\n", info->video_mem); |
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66 } |
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67 |
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68 printf("\n"); |
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69 } |
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70 |
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71 static void output_surface_details(const char *name, SDL_Surface *surface) |
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72 { |
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73 printf("Details for %s:\n", name); |
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74 |
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75 if (surface == NULL) |
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76 { |
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77 printf("-WARNING- You've got a NULL surface!"); |
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78 } |
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79 else |
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80 { |
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81 char f[256]; |
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82 printf(" width : %d\n", surface->w); |
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83 printf(" height : %d\n", surface->h); |
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84 printf(" depth : %d bits per pixel\n", surface->format->BitsPerPixel); |
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85 printf(" pitch : %d\n", (int) surface->pitch); |
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86 printf(" alpha : %d\n", (int) surface->format->alpha); |
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87 printf(" colorkey : 0x%X\n", (unsigned int) surface->format->colorkey); |
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88 |
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89 printf(" red bits : 0x%08X mask, %d shift, %d loss\n", |
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90 (int) surface->format->Rmask, |
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91 (int) surface->format->Rshift, |
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92 (int) surface->format->Rloss); |
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93 printf(" green bits : 0x%08X mask, %d shift, %d loss\n", |
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94 (int) surface->format->Gmask, |
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95 (int) surface->format->Gshift, |
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96 (int) surface->format->Gloss); |
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97 printf(" blue bits : 0x%08X mask, %d shift, %d loss\n", |
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98 (int) surface->format->Bmask, |
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99 (int) surface->format->Bshift, |
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100 (int) surface->format->Bloss); |
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101 printf(" alpha bits : 0x%08X mask, %d shift, %d loss\n", |
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102 (int) surface->format->Amask, |
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103 (int) surface->format->Ashift, |
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104 (int) surface->format->Aloss); |
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105 |
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106 f[0] = '\0'; |
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107 |
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108 /*append_sdl_surface_flag(surface, f, sizeof (f), SDL_SWSURFACE);*/ |
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109 if ((surface->flags & SDL_HWSURFACE) == 0) |
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110 copy_trunc_str(f, sizeof (f), " SDL_SWSURFACE"); |
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111 |
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112 append_sdl_surface_flag(surface, f, sizeof (f), SDL_HWSURFACE); |
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113 append_sdl_surface_flag(surface, f, sizeof (f), SDL_ASYNCBLIT); |
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114 append_sdl_surface_flag(surface, f, sizeof (f), SDL_ANYFORMAT); |
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115 append_sdl_surface_flag(surface, f, sizeof (f), SDL_HWPALETTE); |
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116 append_sdl_surface_flag(surface, f, sizeof (f), SDL_DOUBLEBUF); |
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117 append_sdl_surface_flag(surface, f, sizeof (f), SDL_FULLSCREEN); |
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118 append_sdl_surface_flag(surface, f, sizeof (f), SDL_OPENGL); |
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119 append_sdl_surface_flag(surface, f, sizeof (f), SDL_OPENGLBLIT); |
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120 append_sdl_surface_flag(surface, f, sizeof (f), SDL_RESIZABLE); |
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121 append_sdl_surface_flag(surface, f, sizeof (f), SDL_NOFRAME); |
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122 append_sdl_surface_flag(surface, f, sizeof (f), SDL_HWACCEL); |
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123 append_sdl_surface_flag(surface, f, sizeof (f), SDL_SRCCOLORKEY); |
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124 append_sdl_surface_flag(surface, f, sizeof (f), SDL_RLEACCELOK); |
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125 append_sdl_surface_flag(surface, f, sizeof (f), SDL_RLEACCEL); |
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126 append_sdl_surface_flag(surface, f, sizeof (f), SDL_SRCALPHA); |
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127 append_sdl_surface_flag(surface, f, sizeof (f), SDL_PREALLOC); |
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128 |
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129 if (f[0] == '\0') |
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130 strcpy(f, " (none)"); |
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131 |
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132 printf(" flags :%s\n", f); |
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133 } |
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134 |
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135 printf("\n"); |
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136 } |
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137 |
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138 static void output_details(void) |
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139 { |
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140 output_videoinfo_details(); |
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141 output_surface_details("Source Surface", src); |
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142 output_surface_details("Destination Surface", dest); |
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143 } |
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144 |
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145 static Uint32 blit(SDL_Surface *dst, SDL_Surface *src, int x, int y) |
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146 { |
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147 Uint32 start = 0; |
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148 SDL_Rect srcRect; |
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149 SDL_Rect dstRect; |
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150 |
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151 srcRect.x = 0; |
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152 srcRect.y = 0; |
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153 dstRect.x = x; |
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154 dstRect.y = y; |
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155 dstRect.w = srcRect.w = src->w; /* SDL will clip as appropriate. */ |
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156 dstRect.h = srcRect.h = src->h; |
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157 |
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158 start = SDL_GetTicks(); |
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159 SDL_BlitSurface(src, &srcRect, dst, &dstRect); |
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160 return(SDL_GetTicks() - start); |
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161 } |
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162 |
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163 static void blitCentered(SDL_Surface *dst, SDL_Surface *src) |
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164 { |
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165 int x = (dst->w - src->w) / 2; |
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166 int y = (dst->h - src->h) / 2; |
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167 blit(dst, src, x, y); |
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168 } |
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169 |
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170 static int atoi_hex(const char *str) |
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171 { |
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172 if (str == NULL) |
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173 return 0; |
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174 |
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175 if (strlen(str) > 2) |
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176 { |
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177 int retval = 0; |
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178 if ((str[0] == '0') && (str[1] == 'x')) |
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179 sscanf(str + 2, "%X", &retval); |
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180 return(retval); |
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181 } |
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182 |
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183 return(atoi(str)); |
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184 } |
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185 |
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186 |
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187 static int setup_test(int argc, char **argv) |
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188 { |
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189 const char *dumpfile = NULL; |
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190 SDL_Surface *bmp = NULL; |
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191 Uint32 dstbpp = 32; |
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192 Uint32 dstrmask = 0x00FF0000; |
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193 Uint32 dstgmask = 0x0000FF00; |
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194 Uint32 dstbmask = 0x000000FF; |
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195 Uint32 dstamask = 0x00000000; |
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196 Uint32 dstflags = 0; |
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197 int dstw = 640; |
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198 int dsth = 480; |
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199 Uint32 srcbpp = 32; |
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200 Uint32 srcrmask = 0x00FF0000; |
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201 Uint32 srcgmask = 0x0000FF00; |
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202 Uint32 srcbmask = 0x000000FF; |
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203 Uint32 srcamask = 0x00000000; |
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204 Uint32 srcflags = 0; |
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205 int srcw = 640; |
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206 int srch = 480; |
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207 Uint32 origsrcalphaflags = 0; |
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208 Uint32 origdstalphaflags = 0; |
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209 Uint32 srcalphaflags = 0; |
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210 Uint32 dstalphaflags = 0; |
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211 int srcalpha = 255; |
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212 int dstalpha = 255; |
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213 int screenSurface = 0; |
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214 int i = 0; |
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215 |
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216 for (i = 1; i < argc; i++) |
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217 { |
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218 const char *arg = argv[i]; |
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219 |
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220 if (strcmp(arg, "--dstbpp") == 0) |
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221 dstbpp = atoi(argv[++i]); |
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222 else if (strcmp(arg, "--dstrmask") == 0) |
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223 dstrmask = atoi_hex(argv[++i]); |
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224 else if (strcmp(arg, "--dstgmask") == 0) |
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225 dstgmask = atoi_hex(argv[++i]); |
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226 else if (strcmp(arg, "--dstbmask") == 0) |
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227 dstbmask = atoi_hex(argv[++i]); |
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228 else if (strcmp(arg, "--dstamask") == 0) |
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229 dstamask = atoi_hex(argv[++i]); |
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230 else if (strcmp(arg, "--dstwidth") == 0) |
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231 dstw = atoi(argv[++i]); |
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232 else if (strcmp(arg, "--dstheight") == 0) |
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233 dsth = atoi(argv[++i]); |
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234 else if (strcmp(arg, "--dsthwsurface") == 0) |
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235 dstflags |= SDL_HWSURFACE; |
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236 else if (strcmp(arg, "--srcbpp") == 0) |
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237 srcbpp = atoi(argv[++i]); |
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238 else if (strcmp(arg, "--srcrmask") == 0) |
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239 srcrmask = atoi_hex(argv[++i]); |
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240 else if (strcmp(arg, "--srcgmask") == 0) |
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241 srcgmask = atoi_hex(argv[++i]); |
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242 else if (strcmp(arg, "--srcbmask") == 0) |
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243 srcbmask = atoi_hex(argv[++i]); |
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244 else if (strcmp(arg, "--srcamask") == 0) |
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245 srcamask = atoi_hex(argv[++i]); |
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246 else if (strcmp(arg, "--srcwidth") == 0) |
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247 srcw = atoi(argv[++i]); |
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248 else if (strcmp(arg, "--srcheight") == 0) |
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249 srch = atoi(argv[++i]); |
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250 else if (strcmp(arg, "--srchwsurface") == 0) |
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251 srcflags |= SDL_HWSURFACE; |
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252 else if (strcmp(arg, "--seconds") == 0) |
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253 testSeconds = atoi(argv[++i]); |
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254 else if (strcmp(arg, "--screen") == 0) |
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255 screenSurface = 1; |
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256 else if (strcmp(arg, "--dumpfile") == 0) |
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257 dumpfile = argv[++i]; |
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258 /* !!! FIXME: set colorkey. */ |
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259 else if (0) /* !!! FIXME: we handle some commandlines elsewhere now */ |
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260 { |
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261 fprintf(stderr, "Unknown commandline option: %s\n", arg); |
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262 return(0); |
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263 } |
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264 } |
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265 |
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266 if (SDL_Init(SDL_INIT_VIDEO) == -1) |
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267 { |
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268 fprintf(stderr, "SDL_Init failed: %s\n", SDL_GetError()); |
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269 return(0); |
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270 } |
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271 |
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272 bmp = SDL_LoadBMP("sample.bmp"); |
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273 if (bmp == NULL) |
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274 { |
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275 fprintf(stderr, "SDL_LoadBMP failed: %s\n", SDL_GetError()); |
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276 SDL_Quit(); |
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277 return(0); |
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278 } |
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279 |
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280 if ((dstflags & SDL_HWSURFACE) == 0) dstflags |= SDL_SWSURFACE; |
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281 if ((srcflags & SDL_HWSURFACE) == 0) srcflags |= SDL_SWSURFACE; |
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282 |
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283 if (screenSurface) |
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284 dest = SDL_SetVideoMode(dstw, dsth, dstbpp, dstflags); |
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285 else |
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286 { |
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287 dest = SDL_CreateRGBSurface(dstflags, dstw, dsth, dstbpp, |
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288 dstrmask, dstgmask, dstbmask, dstamask); |
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289 } |
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290 |
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291 if (dest == NULL) |
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292 { |
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293 fprintf(stderr, "dest surface creation failed: %s\n", SDL_GetError()); |
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294 SDL_Quit(); |
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295 return(0); |
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296 } |
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297 |
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298 src = SDL_CreateRGBSurface(srcflags, srcw, srch, srcbpp, |
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299 srcrmask, srcgmask, srcbmask, srcamask); |
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300 if (src == NULL) |
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301 { |
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302 fprintf(stderr, "src surface creation failed: %s\n", SDL_GetError()); |
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303 SDL_Quit(); |
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304 return(0); |
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305 } |
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306 |
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307 /* handle alpha settings... */ |
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308 srcalphaflags = (src->flags&SDL_SRCALPHA) | (src->flags&SDL_RLEACCEL); |
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309 dstalphaflags = (dest->flags&SDL_SRCALPHA) | (dest->flags&SDL_RLEACCEL); |
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310 origsrcalphaflags = srcalphaflags; |
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311 origdstalphaflags = dstalphaflags; |
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312 srcalpha = src->format->alpha; |
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313 dstalpha = dest->format->alpha; |
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314 for (i = 1; i < argc; i++) |
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315 { |
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316 const char *arg = argv[i]; |
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317 |
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318 if (strcmp(arg, "--srcalpha") == 0) |
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319 srcalpha = atoi(argv[++i]); |
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320 else if (strcmp(arg, "--dstalpha") == 0) |
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321 dstalpha = atoi(argv[++i]); |
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322 else if (strcmp(arg, "--srcsrcalpha") == 0) |
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323 srcalphaflags |= SDL_SRCALPHA; |
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324 else if (strcmp(arg, "--srcnosrcalpha") == 0) |
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325 srcalphaflags &= ~SDL_SRCALPHA; |
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326 else if (strcmp(arg, "--srcrleaccel") == 0) |
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327 srcalphaflags |= SDL_RLEACCEL; |
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328 else if (strcmp(arg, "--srcnorleaccel") == 0) |
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329 srcalphaflags &= ~SDL_RLEACCEL; |
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330 else if (strcmp(arg, "--dstsrcalpha") == 0) |
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331 dstalphaflags |= SDL_SRCALPHA; |
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332 else if (strcmp(arg, "--dstnosrcalpha") == 0) |
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333 dstalphaflags &= ~SDL_SRCALPHA; |
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334 else if (strcmp(arg, "--dstrleaccel") == 0) |
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335 dstalphaflags |= SDL_RLEACCEL; |
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336 else if (strcmp(arg, "--dstnorleaccel") == 0) |
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337 dstalphaflags &= ~SDL_RLEACCEL; |
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338 } |
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339 if ((dstalphaflags != origdstalphaflags) || (dstalpha != dest->format->alpha)) |
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340 SDL_SetAlpha(dest, dstalphaflags, (Uint8) dstalpha); |
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341 if ((srcalphaflags != origsrcalphaflags) || (srcalpha != src->format->alpha)) |
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342 SDL_SetAlpha(src, srcalphaflags, (Uint8) srcalpha); |
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343 |
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344 /* set some sane defaults so we can see if the blit code is broken... */ |
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345 SDL_FillRect(dest, NULL, SDL_MapRGB(dest->format, 0, 0, 0)); |
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346 SDL_FillRect(src, NULL, SDL_MapRGB(src->format, 0, 0, 0)); |
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347 |
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348 blitCentered(src, bmp); |
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349 SDL_FreeSurface(bmp); |
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350 |
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351 if (dumpfile) |
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352 SDL_SaveBMP(src, dumpfile); /* make sure initial convert is sane. */ |
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353 |
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354 output_details(); |
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355 |
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356 return(1); |
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357 } |
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358 |
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359 |
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360 static void test_blit_speed(void) |
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361 { |
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362 Uint32 clearColor = SDL_MapRGB(dest->format, 0, 0, 0); |
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363 Uint32 iterations = 0; |
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364 Uint32 elasped = 0; |
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365 Uint32 end = 0; |
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366 Uint32 now = 0; |
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367 Uint32 last = 0; |
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368 int testms = testSeconds * 1000; |
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369 int wmax = (dest->w - src->w); |
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370 int hmax = (dest->h - src->h); |
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371 int isScreen = (SDL_GetVideoSurface() == dest); |
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372 SDL_Event event; |
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373 |
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374 printf("Testing blit speed for %d seconds...\n", testSeconds); |
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375 |
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376 now = SDL_GetTicks(); |
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377 end = now + testms; |
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378 |
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379 do |
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380 { |
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381 /* pump the event queue occasionally to keep OS happy... */ |
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382 if (now - last > 1000) |
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383 { |
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384 last = now; |
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385 while (SDL_PollEvent(&event)) { /* no-op. */ } |
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386 } |
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387 |
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388 iterations++; |
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389 elasped += blit(dest, src, randRange(0, wmax), randRange(0, hmax)); |
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390 if (isScreen) |
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391 { |
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392 SDL_Flip(dest); /* show it! */ |
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393 SDL_FillRect(dest, NULL, clearColor); /* blank it for next time! */ |
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394 } |
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395 |
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396 now = SDL_GetTicks(); |
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397 } while (now < end); |
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398 |
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399 printf("Non-blitting crap accounted for %d percent of this run.\n", |
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400 percent(testms - elasped, testms)); |
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401 |
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402 printf("%d blits took %d ms (%d fps).\n", |
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403 (int) iterations, |
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404 (int) elasped, |
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405 (int) (((float)iterations) / (((float)elasped) / 1000.0f))); |
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406 } |
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407 |
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408 int main(int argc, char **argv) |
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409 { |
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410 int initialized = setup_test(argc, argv); |
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411 if (initialized) |
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412 { |
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413 test_blit_speed(); |
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414 SDL_Quit(); |
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415 } |
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416 return(!initialized); |
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417 } |
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418 |
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419 /* end of testblitspeed.c ... */ |
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420 |