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annotate test/testblitspeed.c @ 3437:dc2911c207e4

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Thank you automated tests (and bobbens!), fixed alpha blending for accuracy
author Sam Lantinga <slouken@libsdl.org>
date Mon, 16 Nov 2009 09:47:34 +0000
parents 204be4fc2726
children
rev   line source
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68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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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
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19 percent(int val, int total)
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20 {
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21 return ((int) ((((float) val) / ((float) total)) * 100.0f));
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22 }
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23
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24 static int
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25 randRange(int lo, int hi)
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26 {
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27 return (lo + (int) (((double) hi) * rand() / (RAND_MAX + 1.0)));
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28 }
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29
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30 static void
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31 copy_trunc_str(char *str, size_t strsize, const char *flagstr)
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32 {
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33 if ((strlen(str) + strlen(flagstr)) >= (strsize - 1))
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34 strcpy(str + (strsize - 5), " ...");
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35 else
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36 strcat(str, flagstr);
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37 }
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38
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39 static void
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40 __append_sdl_surface_flag(SDL_Surface * _surface, char *str,
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41 size_t strsize, Uint32 flag, const char *flagstr)
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42 {
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43 if (_surface->flags & flag)
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44 copy_trunc_str(str, strsize, flagstr);
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45 }
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46
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47
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48 #define append_sdl_surface_flag(a, b, c, fl) __append_sdl_surface_flag(a, b, c, fl, " " #fl)
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49 #define print_tf_state(str, val) printf("%s: {%s}\n", str, (val) ? "true" : "false" )
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50
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51 static void
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52 output_videoinfo_details(void)
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53 {
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54 const SDL_VideoInfo *info = SDL_GetVideoInfo();
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55 printf("SDL_GetVideoInfo():\n");
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56 if (info == NULL)
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57 printf(" (null.)\n");
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58 else {
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59 print_tf_state(" hardware surface available", info->hw_available);
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60 print_tf_state(" window manager available", info->wm_available);
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61 print_tf_state(" accelerated hardware->hardware blits",
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62 info->blit_hw);
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63 print_tf_state(" accelerated hardware->hardware colorkey blits",
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64 info->blit_hw_CC);
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65 print_tf_state(" accelerated hardware->hardware alpha blits",
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66 info->blit_hw_A);
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67 print_tf_state(" accelerated software->hardware blits",
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68 info->blit_sw);
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69 print_tf_state(" accelerated software->hardware colorkey blits",
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70 info->blit_sw_CC);
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71 print_tf_state(" accelerated software->hardware alpha blits",
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72 info->blit_sw_A);
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73 print_tf_state(" accelerated color fills", info->blit_fill);
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74 printf(" video memory: (%d)\n", info->video_mem);
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75 }
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76
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77 printf("\n");
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78 }
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79
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80 static void
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81 output_surface_details(const char *name, SDL_Surface * surface)
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82 {
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83 printf("Details for %s:\n", name);
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84
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85 if (surface == NULL) {
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86 printf("-WARNING- You've got a NULL surface!");
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87 } else {
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88 char f[256];
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89 printf(" width : %d\n", surface->w);
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90 printf(" height : %d\n", surface->h);
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91 printf(" depth : %d bits per pixel\n",
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92 surface->format->BitsPerPixel);
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93 printf(" pitch : %d\n", (int) surface->pitch);
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94
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95 printf(" red bits : 0x%08X mask, %d shift, %d loss\n",
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96 (int) surface->format->Rmask,
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97 (int) surface->format->Rshift, (int) surface->format->Rloss);
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98 printf(" green bits : 0x%08X mask, %d shift, %d loss\n",
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99 (int) surface->format->Gmask,
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100 (int) surface->format->Gshift, (int) surface->format->Gloss);
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101 printf(" blue bits : 0x%08X mask, %d shift, %d loss\n",
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102 (int) surface->format->Bmask,
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103 (int) surface->format->Bshift, (int) surface->format->Bloss);
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104 printf(" alpha bits : 0x%08X mask, %d shift, %d loss\n",
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105 (int) surface->format->Amask,
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106 (int) surface->format->Ashift, (int) surface->format->Aloss);
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107
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108 f[0] = '\0';
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109
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110 /*append_sdl_surface_flag(surface, f, sizeof (f), SDL_SWSURFACE); */
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111 if ((surface->flags & SDL_HWSURFACE) == 0)
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112 copy_trunc_str(f, sizeof(f), " SDL_SWSURFACE");
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113
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114 append_sdl_surface_flag(surface, f, sizeof(f), SDL_HWSURFACE);
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115 append_sdl_surface_flag(surface, f, sizeof(f), SDL_ASYNCBLIT);
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116 append_sdl_surface_flag(surface, f, sizeof(f), SDL_ANYFORMAT);
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117 append_sdl_surface_flag(surface, f, sizeof(f), SDL_HWPALETTE);
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118 append_sdl_surface_flag(surface, f, sizeof(f), SDL_DOUBLEBUF);
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119 append_sdl_surface_flag(surface, f, sizeof(f), SDL_FULLSCREEN);
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120 append_sdl_surface_flag(surface, f, sizeof(f), SDL_OPENGL);
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121 append_sdl_surface_flag(surface, f, sizeof(f), SDL_RESIZABLE);
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122 append_sdl_surface_flag(surface, f, sizeof(f), SDL_NOFRAME);
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123 append_sdl_surface_flag(surface, f, sizeof(f), SDL_HWACCEL);
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124 append_sdl_surface_flag(surface, f, sizeof(f), SDL_SRCCOLORKEY);
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125 append_sdl_surface_flag(surface, f, sizeof(f), SDL_RLEACCELOK);
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126 append_sdl_surface_flag(surface, f, sizeof(f), SDL_RLEACCEL);
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127 append_sdl_surface_flag(surface, f, sizeof(f), SDL_SRCALPHA);
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128 append_sdl_surface_flag(surface, f, sizeof(f), SDL_PREALLOC);
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129
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130 if (f[0] == '\0')
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131 strcpy(f, " (none)");
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132
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133 printf(" flags :%s\n", f);
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134 }
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135
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136 printf("\n");
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137 }
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138
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139 static void
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140 output_details(void)
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141 {
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142 output_videoinfo_details();
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143 output_surface_details("Source Surface", src);
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144 output_surface_details("Destination Surface", dest);
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145 }
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146
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147 static Uint32
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148 blit(SDL_Surface * dst, SDL_Surface * src, int x, int y)
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149 {
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150 Uint32 start = 0;
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151 SDL_Rect srcRect;
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152 SDL_Rect dstRect;
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153
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154 srcRect.x = 0;
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155 srcRect.y = 0;
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156 dstRect.x = x;
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157 dstRect.y = y;
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158 dstRect.w = srcRect.w = src->w; /* SDL will clip as appropriate. */
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159 dstRect.h = srcRect.h = src->h;
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160
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161 start = SDL_GetTicks();
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162 SDL_BlitSurface(src, &srcRect, dst, &dstRect);
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163 return (SDL_GetTicks() - start);
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164 }
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165
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166 static void
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167 blitCentered(SDL_Surface * dst, SDL_Surface * src)
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168 {
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169 int x = (dst->w - src->w) / 2;
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170 int y = (dst->h - src->h) / 2;
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171 blit(dst, src, x, y);
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172 }
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173
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174 static int
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175 atoi_hex(const char *str)
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176 {
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177 if (str == NULL)
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178 return 0;
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179
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180 if (strlen(str) > 2) {
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181 int retval = 0;
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182 if ((str[0] == '0') && (str[1] == 'x'))
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183 sscanf(str + 2, "%X", &retval);
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184 return (retval);
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185 }
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186
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187 return (atoi(str));
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188 }
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189
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190
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191 static int
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192 setup_test(int argc, char **argv)
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193 {
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194 const char *dumpfile = NULL;
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195 SDL_Surface *bmp = NULL;
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196 Uint32 dstbpp = 32;
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197 Uint32 dstrmask = 0x00FF0000;
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198 Uint32 dstgmask = 0x0000FF00;
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199 Uint32 dstbmask = 0x000000FF;
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200 Uint32 dstamask = 0x00000000;
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201 Uint32 dstflags = 0;
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202 int dstw = 640;
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203 int dsth = 480;
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204 Uint32 srcbpp = 32;
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205 Uint32 srcrmask = 0x00FF0000;
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206 Uint32 srcgmask = 0x0000FF00;
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207 Uint32 srcbmask = 0x000000FF;
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208 Uint32 srcamask = 0x00000000;
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209 Uint32 srcflags = 0;
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210 int srcw = 640;
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211 int srch = 480;
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212 Uint32 origsrcalphaflags = 0;
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213 Uint32 origdstalphaflags = 0;
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214 Uint32 srcalphaflags = 0;
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215 Uint32 dstalphaflags = 0;
2267
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216 Uint8 origsrcalpha = 255;
c785543d1843 Okay, still some bugs, but everything builds again...
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217 Uint8 origdstalpha = 255;
c785543d1843 Okay, still some bugs, but everything builds again...
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218 Uint8 srcalpha = 255;
c785543d1843 Okay, still some bugs, but everything builds again...
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diff changeset
219 Uint8 dstalpha = 255;
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220 int screenSurface = 0;
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diff changeset
221 int i = 0;
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222
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223 for (i = 1; i < argc; i++) {
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224 const char *arg = argv[i];
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diff changeset
225
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226 if (strcmp(arg, "--dstbpp") == 0)
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227 dstbpp = atoi(argv[++i]);
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228 else if (strcmp(arg, "--dstrmask") == 0)
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229 dstrmask = atoi_hex(argv[++i]);
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230 else if (strcmp(arg, "--dstgmask") == 0)
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231 dstgmask = atoi_hex(argv[++i]);
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232 else if (strcmp(arg, "--dstbmask") == 0)
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233 dstbmask = atoi_hex(argv[++i]);
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234 else if (strcmp(arg, "--dstamask") == 0)
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235 dstamask = atoi_hex(argv[++i]);
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236 else if (strcmp(arg, "--dstwidth") == 0)
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diff changeset
237 dstw = atoi(argv[++i]);
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diff changeset
238 else if (strcmp(arg, "--dstheight") == 0)
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diff changeset
239 dsth = atoi(argv[++i]);
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diff changeset
240 else if (strcmp(arg, "--dsthwsurface") == 0)
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241 dstflags |= SDL_HWSURFACE;
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diff changeset
242 else if (strcmp(arg, "--srcbpp") == 0)
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diff changeset
243 srcbpp = atoi(argv[++i]);
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diff changeset
244 else if (strcmp(arg, "--srcrmask") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
245 srcrmask = atoi_hex(argv[++i]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
246 else if (strcmp(arg, "--srcgmask") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
247 srcgmask = atoi_hex(argv[++i]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
248 else if (strcmp(arg, "--srcbmask") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
249 srcbmask = atoi_hex(argv[++i]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
250 else if (strcmp(arg, "--srcamask") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
251 srcamask = atoi_hex(argv[++i]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
252 else if (strcmp(arg, "--srcwidth") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
253 srcw = atoi(argv[++i]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
254 else if (strcmp(arg, "--srcheight") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
255 srch = atoi(argv[++i]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
256 else if (strcmp(arg, "--srchwsurface") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
257 srcflags |= SDL_HWSURFACE;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
258 else if (strcmp(arg, "--seconds") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
259 testSeconds = atoi(argv[++i]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
260 else if (strcmp(arg, "--screen") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
261 screenSurface = 1;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
262 else if (strcmp(arg, "--dumpfile") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
263 dumpfile = argv[++i];
1231
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diff changeset
264 /* !!! FIXME: set colorkey. */
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265 else if (0) { /* !!! FIXME: we handle some commandlines elsewhere now */
1039
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diff changeset
266 fprintf(stderr, "Unknown commandline option: %s\n", arg);
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267 return (0);
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diff changeset
268 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
269 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
270
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271 if (SDL_Init(SDL_INIT_VIDEO) == -1) {
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272 fprintf(stderr, "SDL_Init failed: %s\n", SDL_GetError());
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273 return (0);
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274 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
275
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
276 bmp = SDL_LoadBMP("sample.bmp");
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277 if (bmp == NULL) {
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diff changeset
278 fprintf(stderr, "SDL_LoadBMP failed: %s\n", SDL_GetError());
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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279 SDL_Quit();
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280 return (0);
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diff changeset
281 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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282
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diff changeset
283 if ((dstflags & SDL_HWSURFACE) == 0)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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284 dstflags |= SDL_SWSURFACE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
285 if ((srcflags & SDL_HWSURFACE) == 0)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
286 srcflags |= SDL_SWSURFACE;
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diff changeset
287
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
288 if (screenSurface)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
289 dest = SDL_SetVideoMode(dstw, dsth, dstbpp, dstflags);
1895
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290 else {
1039
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
291 dest = SDL_CreateRGBSurface(dstflags, dstw, dsth, dstbpp,
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
292 dstrmask, dstgmask, dstbmask, dstamask);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
293 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
294
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diff changeset
295 if (dest == NULL) {
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diff changeset
296 fprintf(stderr, "dest surface creation failed: %s\n", SDL_GetError());
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
297 SDL_Quit();
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diff changeset
298 return (0);
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diff changeset
299 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
300
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
301 src = SDL_CreateRGBSurface(srcflags, srcw, srch, srcbpp,
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
302 srcrmask, srcgmask, srcbmask, srcamask);
1895
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parents: 1231
diff changeset
303 if (src == NULL) {
1039
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
304 fprintf(stderr, "src surface creation failed: %s\n", SDL_GetError());
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
305 SDL_Quit();
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diff changeset
306 return (0);
1039
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parents:
diff changeset
307 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
308
1231
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diff changeset
309 /* handle alpha settings... */
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diff changeset
310 srcalphaflags = (src->flags & SDL_SRCALPHA) | (src->flags & SDL_RLEACCEL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
311 dstalphaflags =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
312 (dest->flags & SDL_SRCALPHA) | (dest->flags & SDL_RLEACCEL);
1231
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
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diff changeset
313 origsrcalphaflags = srcalphaflags;
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
314 origdstalphaflags = dstalphaflags;
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
315 SDL_GetSurfaceAlphaMod(src, &srcalpha);
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
316 SDL_GetSurfaceAlphaMod(dest, &dstalpha);
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
317 origsrcalpha = srcalpha;
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
318 origdstalpha = dstalpha;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1231
diff changeset
319 for (i = 1; i < argc; i++) {
1231
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
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diff changeset
320 const char *arg = argv[i];
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
321
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
322 if (strcmp(arg, "--srcalpha") == 0)
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
323 srcalpha = atoi(argv[++i]);
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
324 else if (strcmp(arg, "--dstalpha") == 0)
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
325 dstalpha = atoi(argv[++i]);
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
326 else if (strcmp(arg, "--srcsrcalpha") == 0)
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
327 srcalphaflags |= SDL_SRCALPHA;
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
328 else if (strcmp(arg, "--srcnosrcalpha") == 0)
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
329 srcalphaflags &= ~SDL_SRCALPHA;
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
330 else if (strcmp(arg, "--srcrleaccel") == 0)
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
331 srcalphaflags |= SDL_RLEACCEL;
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
332 else if (strcmp(arg, "--srcnorleaccel") == 0)
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
333 srcalphaflags &= ~SDL_RLEACCEL;
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
334 else if (strcmp(arg, "--dstsrcalpha") == 0)
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
335 dstalphaflags |= SDL_SRCALPHA;
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
336 else if (strcmp(arg, "--dstnosrcalpha") == 0)
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
337 dstalphaflags &= ~SDL_SRCALPHA;
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
338 else if (strcmp(arg, "--dstrleaccel") == 0)
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
339 dstalphaflags |= SDL_RLEACCEL;
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
340 else if (strcmp(arg, "--dstnorleaccel") == 0)
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
341 dstalphaflags &= ~SDL_RLEACCEL;
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
342 }
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
343 if ((dstalphaflags != origdstalphaflags) || (origdstalpha != dstalpha))
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
344 SDL_SetAlpha(dest, dstalphaflags, dstalpha);
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
345 if ((srcalphaflags != origsrcalphaflags) || (origsrcalpha != srcalpha))
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
346 SDL_SetAlpha(src, srcalphaflags, srcalpha);
1231
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
347
1039
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
348 /* set some sane defaults so we can see if the blit code is broken... */
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
349 SDL_FillRect(dest, NULL, SDL_MapRGB(dest->format, 0, 0, 0));
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
350 SDL_FillRect(src, NULL, SDL_MapRGB(src->format, 0, 0, 0));
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
351
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
352 blitCentered(src, bmp);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
353 SDL_FreeSurface(bmp);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
354
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
355 if (dumpfile)
1895
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Sam Lantinga <slouken@libsdl.org>
parents: 1231
diff changeset
356 SDL_SaveBMP(src, dumpfile); /* make sure initial convert is sane. */
1039
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
357
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
358 output_details();
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
359
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
360 return (1);
1039
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
361 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
362
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
363
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1231
diff changeset
364 static void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1231
diff changeset
365 test_blit_speed(void)
1039
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
366 {
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
367 Uint32 clearColor = SDL_MapRGB(dest->format, 0, 0, 0);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
368 Uint32 iterations = 0;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
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369 Uint32 elasped = 0;
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370 Uint32 end = 0;
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371 Uint32 now = 0;
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372 Uint32 last = 0;
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373 int testms = testSeconds * 1000;
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374 int wmax = (dest->w - src->w);
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375 int hmax = (dest->h - src->h);
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376 int isScreen = (SDL_GetVideoSurface() == dest);
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377 SDL_Event event;
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378
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379 printf("Testing blit speed for %d seconds...\n", testSeconds);
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380
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381 now = SDL_GetTicks();
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382 end = now + testms;
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383
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384 do {
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385 /* pump the event queue occasionally to keep OS happy... */
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386 if (now - last > 1000) {
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387 last = now;
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388 while (SDL_PollEvent(&event)) { /* no-op. */
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389 }
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390 }
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391
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392 iterations++;
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393 elasped += blit(dest, src, randRange(0, wmax), randRange(0, hmax));
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394 if (isScreen) {
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395 SDL_Flip(dest); /* show it! */
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396 SDL_FillRect(dest, NULL, clearColor); /* blank it for next time! */
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397 }
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398
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399 now = SDL_GetTicks();
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400 } while (now < end);
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401
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402 printf("Non-blitting crap accounted for %d percent of this run.\n",
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403 percent(testms - elasped, testms));
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404
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405 printf("%d blits took %d ms (%d fps).\n",
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406 (int) iterations,
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407 (int) elasped,
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408 (int) (((float) iterations) / (((float) elasped) / 1000.0f)));
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409 }
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410
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411 int
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412 main(int argc, char **argv)
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413 {
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414 int initialized = setup_test(argc, argv);
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415 if (initialized) {
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416 test_blit_speed();
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417 SDL_Quit();
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418 }
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419 return (!initialized);
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420 }
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421
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422 /* end of testblitspeed.c ... */