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annotate test/testblitspeed.c @ 3164:c5b2884c26b4

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Added an ifdef so that if you #define SDL_NO_COMPAT before you include SDL.h then SDL_compat.h will never be included in your code. This is useful for making sure that your code uses only SDL 1.3 features. It is also handy for finding things that are in SDL_compat.h that belong elsewhere.
author Bob Pendleton <bob@pendleton.com>
date Thu, 04 Jun 2009 21:00:45 +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;
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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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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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diff changeset
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)
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diff changeset
245 srcrmask = atoi_hex(argv[++i]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
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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parents:
diff changeset
247 srcgmask = atoi_hex(argv[++i]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
248 else if (strcmp(arg, "--srcbmask") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
249 srcbmask = atoi_hex(argv[++i]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
250 else if (strcmp(arg, "--srcamask") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
251 srcamask = atoi_hex(argv[++i]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
252 else if (strcmp(arg, "--srcwidth") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
253 srcw = atoi(argv[++i]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
254 else if (strcmp(arg, "--srcheight") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
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.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
257 srcflags |= SDL_HWSURFACE;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
258 else if (strcmp(arg, "--seconds") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
259 testSeconds = atoi(argv[++i]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
260 else if (strcmp(arg, "--screen") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
261 screenSurface = 1;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
262 else if (strcmp(arg, "--dumpfile") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
263 dumpfile = argv[++i];
1231
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
264 /* !!! FIXME: set colorkey. */
1895
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
265 else if (0) { /* !!! FIXME: we handle some commandlines elsewhere now */
1039
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
266 fprintf(stderr, "Unknown commandline option: %s\n", arg);
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267 return (0);
1039
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parents:
diff changeset
268 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
269 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
270
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diff changeset
271 if (SDL_Init(SDL_INIT_VIDEO) == -1) {
1039
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diff changeset
272 fprintf(stderr, "SDL_Init failed: %s\n", SDL_GetError());
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273 return (0);
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parents:
diff changeset
274 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
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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diff changeset
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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parents:
diff changeset
279 SDL_Quit();
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280 return (0);
1039
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parents:
diff changeset
281 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
282
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Sam Lantinga <slouken@libsdl.org>
parents: 1231
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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parents: 1231
diff changeset
284 dstflags |= SDL_SWSURFACE;
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
285 if ((srcflags & SDL_HWSURFACE) == 0)
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
286 srcflags |= SDL_SWSURFACE;
1039
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Ryan C. Gordon <icculus@icculus.org>
parents:
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.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
289 dest = SDL_SetVideoMode(dstw, dsth, dstbpp, dstflags);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
290 else {
1039
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
diff changeset
291 dest = SDL_CreateRGBSurface(dstflags, dstw, dsth, dstbpp,
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
292 dstrmask, dstgmask, dstbmask, dstamask);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
293 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
294
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diff changeset
295 if (dest == NULL) {
1039
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
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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parents:
diff changeset
297 SDL_Quit();
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diff changeset
298 return (0);
1039
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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parents:
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.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
301 src = SDL_CreateRGBSurface(srcflags, srcw, srch, srcbpp,
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
302 srcrmask, srcgmask, srcbmask, srcamask);
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
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.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
305 SDL_Quit();
1895
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
306 return (0);
1039
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
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
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
309 /* handle alpha settings... */
1895
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Sam Lantinga <slouken@libsdl.org>
parents: 1231
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>
parents: 1231
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>
parents: 1231
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
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
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.
Sam Lantinga <slouken@libsdl.org>
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
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
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
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
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
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
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;
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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 ... */