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annotate test/testblitspeed.c @ 1448:9a845c7b8b35

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author Sam Lantinga <slouken@libsdl.org>
date Mon, 27 Feb 2006 04:44:31 +0000
parents cf59e7b91ed4
children e49147870aac c121d94672cb
rev   line source
1039
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 percent(int val, int total)
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19 {
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20 return((int) ((((float) val) / ((float) total)) * 100.0f));
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21 }
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22
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23 static int randRange(int lo, int hi)
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24 {
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25 return(lo + (int) (((double) hi)*rand()/(RAND_MAX+1.0)));
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26 }
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27
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28 static void copy_trunc_str(char *str, size_t strsize, const char *flagstr)
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29 {
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30 if ( (strlen(str) + strlen(flagstr)) >= (strsize - 1) )
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31 strcpy(str + (strsize - 5), " ...");
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32 else
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33 strcat(str, flagstr);
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34 }
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35
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36 static void __append_sdl_surface_flag(SDL_Surface *_surface, char *str,
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37 size_t strsize, Uint32 flag,
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38 const char *flagstr)
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39 {
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40 if (_surface->flags & flag)
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41 copy_trunc_str(str, strsize, flagstr);
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42 }
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43
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44
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45 #define append_sdl_surface_flag(a, b, c, fl) __append_sdl_surface_flag(a, b, c, fl, " " #fl)
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46 #define print_tf_state(str, val) printf("%s: {%s}\n", str, (val) ? "true" : "false" )
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47
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48 static void output_videoinfo_details(void)
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49 {
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50 const SDL_VideoInfo *info = SDL_GetVideoInfo();
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51 printf("SDL_GetVideoInfo():\n");
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52 if (info == NULL)
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53 printf(" (null.)\n");
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54 else
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55 {
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56 print_tf_state(" hardware surface available", info->hw_available);
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57 print_tf_state(" window manager available", info->wm_available);
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58 print_tf_state(" accelerated hardware->hardware blits", info->blit_hw);
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59 print_tf_state(" accelerated hardware->hardware colorkey blits", info->blit_hw_CC);
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60 print_tf_state(" accelerated hardware->hardware alpha blits", info->blit_hw_A);
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61 print_tf_state(" accelerated software->hardware blits", info->blit_sw);
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62 print_tf_state(" accelerated software->hardware colorkey blits", info->blit_sw_CC);
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63 print_tf_state(" accelerated software->hardware alpha blits", info->blit_sw_A);
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64 print_tf_state(" accelerated color fills", info->blit_fill);
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65 printf(" video memory: (%d)\n", info->video_mem);
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66 }
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67
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68 printf("\n");
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69 }
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70
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71 static void output_surface_details(const char *name, SDL_Surface *surface)
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72 {
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73 printf("Details for %s:\n", name);
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74
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75 if (surface == NULL)
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76 {
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77 printf("-WARNING- You've got a NULL surface!");
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78 }
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79 else
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80 {
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81 char f[256];
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82 printf(" width : %d\n", surface->w);
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83 printf(" height : %d\n", surface->h);
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84 printf(" depth : %d bits per pixel\n", surface->format->BitsPerPixel);
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85 printf(" pitch : %d\n", (int) surface->pitch);
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86 printf(" alpha : %d\n", (int) surface->format->alpha);
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87 printf(" colorkey : 0x%X\n", (unsigned int) surface->format->colorkey);
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88
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89 printf(" red bits : 0x%08X mask, %d shift, %d loss\n",
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90 (int) surface->format->Rmask,
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91 (int) surface->format->Rshift,
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92 (int) surface->format->Rloss);
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93 printf(" green bits : 0x%08X mask, %d shift, %d loss\n",
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94 (int) surface->format->Gmask,
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95 (int) surface->format->Gshift,
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96 (int) surface->format->Gloss);
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97 printf(" blue bits : 0x%08X mask, %d shift, %d loss\n",
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98 (int) surface->format->Bmask,
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99 (int) surface->format->Bshift,
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100 (int) surface->format->Bloss);
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101 printf(" alpha bits : 0x%08X mask, %d shift, %d loss\n",
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102 (int) surface->format->Amask,
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103 (int) surface->format->Ashift,
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104 (int) surface->format->Aloss);
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105
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106 f[0] = '\0';
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107
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108 /*append_sdl_surface_flag(surface, f, sizeof (f), SDL_SWSURFACE);*/
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109 if ((surface->flags & SDL_HWSURFACE) == 0)
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110 copy_trunc_str(f, sizeof (f), " SDL_SWSURFACE");
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111
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112 append_sdl_surface_flag(surface, f, sizeof (f), SDL_HWSURFACE);
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113 append_sdl_surface_flag(surface, f, sizeof (f), SDL_ASYNCBLIT);
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114 append_sdl_surface_flag(surface, f, sizeof (f), SDL_ANYFORMAT);
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115 append_sdl_surface_flag(surface, f, sizeof (f), SDL_HWPALETTE);
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116 append_sdl_surface_flag(surface, f, sizeof (f), SDL_DOUBLEBUF);
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117 append_sdl_surface_flag(surface, f, sizeof (f), SDL_FULLSCREEN);
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118 append_sdl_surface_flag(surface, f, sizeof (f), SDL_OPENGL);
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119 append_sdl_surface_flag(surface, f, sizeof (f), SDL_OPENGLBLIT);
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120 append_sdl_surface_flag(surface, f, sizeof (f), SDL_RESIZABLE);
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121 append_sdl_surface_flag(surface, f, sizeof (f), SDL_NOFRAME);
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122 append_sdl_surface_flag(surface, f, sizeof (f), SDL_HWACCEL);
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123 append_sdl_surface_flag(surface, f, sizeof (f), SDL_SRCCOLORKEY);
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124 append_sdl_surface_flag(surface, f, sizeof (f), SDL_RLEACCELOK);
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125 append_sdl_surface_flag(surface, f, sizeof (f), SDL_RLEACCEL);
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126 append_sdl_surface_flag(surface, f, sizeof (f), SDL_SRCALPHA);
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127 append_sdl_surface_flag(surface, f, sizeof (f), SDL_PREALLOC);
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128
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129 if (f[0] == '\0')
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130 strcpy(f, " (none)");
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131
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132 printf(" flags :%s\n", f);
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133 }
1039
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134
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135 printf("\n");
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136 }
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137
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138 static void output_details(void)
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139 {
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140 output_videoinfo_details();
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141 output_surface_details("Source Surface", src);
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142 output_surface_details("Destination Surface", dest);
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143 }
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144
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145 static Uint32 blit(SDL_Surface *dst, SDL_Surface *src, int x, int y)
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146 {
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147 Uint32 start = 0;
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148 SDL_Rect srcRect;
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149 SDL_Rect dstRect;
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150
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151 srcRect.x = 0;
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152 srcRect.y = 0;
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153 dstRect.x = x;
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154 dstRect.y = y;
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155 dstRect.w = srcRect.w = src->w; /* SDL will clip as appropriate. */
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156 dstRect.h = srcRect.h = src->h;
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157
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158 start = SDL_GetTicks();
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159 SDL_BlitSurface(src, &srcRect, dst, &dstRect);
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160 return(SDL_GetTicks() - start);
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161 }
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162
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163 static void blitCentered(SDL_Surface *dst, SDL_Surface *src)
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164 {
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165 int x = (dst->w - src->w) / 2;
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166 int y = (dst->h - src->h) / 2;
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167 blit(dst, src, x, y);
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168 }
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169
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170 static int atoi_hex(const char *str)
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171 {
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172 if (str == NULL)
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173 return 0;
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174
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175 if (strlen(str) > 2)
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176 {
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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177 int retval = 0;
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178 if ((str[0] == '0') && (str[1] == 'x'))
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179 sscanf(str + 2, "%X", &retval);
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180 return(retval);
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181 }
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182
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183 return(atoi(str));
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184 }
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185
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186
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187 static int setup_test(int argc, char **argv)
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188 {
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189 const char *dumpfile = NULL;
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190 SDL_Surface *bmp = NULL;
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191 Uint32 dstbpp = 32;
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192 Uint32 dstrmask = 0x00FF0000;
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193 Uint32 dstgmask = 0x0000FF00;
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194 Uint32 dstbmask = 0x000000FF;
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195 Uint32 dstamask = 0x00000000;
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196 Uint32 dstflags = 0;
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197 int dstw = 640;
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198 int dsth = 480;
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199 Uint32 srcbpp = 32;
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200 Uint32 srcrmask = 0x00FF0000;
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201 Uint32 srcgmask = 0x0000FF00;
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202 Uint32 srcbmask = 0x000000FF;
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203 Uint32 srcamask = 0x00000000;
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204 Uint32 srcflags = 0;
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205 int srcw = 640;
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206 int srch = 480;
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207 Uint32 origsrcalphaflags = 0;
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208 Uint32 origdstalphaflags = 0;
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209 Uint32 srcalphaflags = 0;
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210 Uint32 dstalphaflags = 0;
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211 int srcalpha = 255;
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212 int dstalpha = 255;
1039
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213 int screenSurface = 0;
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214 int i = 0;
1039
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215
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
216 for (i = 1; i < argc; i++)
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diff changeset
217 {
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diff changeset
218 const char *arg = argv[i];
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diff changeset
219
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
220 if (strcmp(arg, "--dstbpp") == 0)
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diff changeset
221 dstbpp = atoi(argv[++i]);
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diff changeset
222 else if (strcmp(arg, "--dstrmask") == 0)
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223 dstrmask = atoi_hex(argv[++i]);
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diff changeset
224 else if (strcmp(arg, "--dstgmask") == 0)
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diff changeset
225 dstgmask = atoi_hex(argv[++i]);
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diff changeset
226 else if (strcmp(arg, "--dstbmask") == 0)
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diff changeset
227 dstbmask = atoi_hex(argv[++i]);
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228 else if (strcmp(arg, "--dstamask") == 0)
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diff changeset
229 dstamask = atoi_hex(argv[++i]);
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diff changeset
230 else if (strcmp(arg, "--dstwidth") == 0)
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diff changeset
231 dstw = atoi(argv[++i]);
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diff changeset
232 else if (strcmp(arg, "--dstheight") == 0)
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diff changeset
233 dsth = atoi(argv[++i]);
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
234 else if (strcmp(arg, "--dsthwsurface") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
235 dstflags |= SDL_HWSURFACE;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
236 else if (strcmp(arg, "--srcbpp") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
237 srcbpp = atoi(argv[++i]);
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diff changeset
238 else if (strcmp(arg, "--srcrmask") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
239 srcrmask = atoi_hex(argv[++i]);
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diff changeset
240 else if (strcmp(arg, "--srcgmask") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
241 srcgmask = atoi_hex(argv[++i]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
242 else if (strcmp(arg, "--srcbmask") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
243 srcbmask = atoi_hex(argv[++i]);
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diff changeset
244 else if (strcmp(arg, "--srcamask") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
245 srcamask = atoi_hex(argv[++i]);
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diff changeset
246 else if (strcmp(arg, "--srcwidth") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
247 srcw = atoi(argv[++i]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
248 else if (strcmp(arg, "--srcheight") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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diff changeset
249 srch = atoi(argv[++i]);
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
250 else if (strcmp(arg, "--srchwsurface") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
251 srcflags |= SDL_HWSURFACE;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
252 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
253 testSeconds = 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, "--screen") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
255 screenSurface = 1;
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, "--dumpfile") == 0)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
257 dumpfile = argv[++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
258 /* !!! FIXME: set colorkey. */
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
259 else if (0) /* !!! FIXME: we handle some commandlines elsewhere now */
1039
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
260 {
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
261 fprintf(stderr, "Unknown commandline option: %s\n", arg);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
262 return(0);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
263 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
264 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
265
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
266 if (SDL_Init(SDL_INIT_VIDEO) == -1)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
267 {
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
268 fprintf(stderr, "SDL_Init 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
269 return(0);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
270 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
271
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
272 bmp = SDL_LoadBMP("sample.bmp");
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
273 if (bmp == NULL)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
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 fprintf(stderr, "SDL_LoadBMP 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
276 SDL_Quit();
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
277 return(0);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
278 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
279
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
280 if ((dstflags & SDL_HWSURFACE) == 0) dstflags |= SDL_SWSURFACE;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
281 if ((srcflags & SDL_HWSURFACE) == 0) srcflags |= SDL_SWSURFACE;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
282
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
283 if (screenSurface)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
284 dest = SDL_SetVideoMode(dstw, dsth, dstbpp, dstflags);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
285 else
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
286 {
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
287 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
288 dstrmask, dstgmask, dstbmask, dstamask);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
289 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
290
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
291 if (dest == NULL)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
292 {
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
293 fprintf(stderr, "dest 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
294 SDL_Quit();
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
295 return(0);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
296 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
297
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
298 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
299 srcrmask, srcgmask, srcbmask, srcamask);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
300 if (src == NULL)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
301 {
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
302 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
303 SDL_Quit();
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
304 return(0);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
305 }
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
306
1231
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
307 /* handle alpha settings... */
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
308 srcalphaflags = (src->flags&SDL_SRCALPHA) | (src->flags&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
309 dstalphaflags = (dest->flags&SDL_SRCALPHA) | (dest->flags&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
310 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
311 origdstalphaflags = dstalphaflags;
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
312 srcalpha = src->format->alpha;
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
313 dstalpha = dest->format->alpha;
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
314 for (i = 1; i < argc; i++)
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
315 {
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
316 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
317
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
318 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
319 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
320 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
321 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
322 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
323 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
324 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
325 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
326 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
327 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
328 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
329 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
330 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
331 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
332 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
333 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
334 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
335 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
336 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
337 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
338 }
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
339 if ((dstalphaflags != origdstalphaflags) || (dstalpha != dest->format->alpha))
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
340 SDL_SetAlpha(dest, dstalphaflags, (Uint8) dstalpha);
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
341 if ((srcalphaflags != origsrcalphaflags) || (srcalpha != src->format->alpha))
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
342 SDL_SetAlpha(src, srcalphaflags, (Uint8) srcalpha);
cf59e7b91ed4 testblitspeed.c improvements: cleaned up output, and allow user to set surface
Ryan C. Gordon <icculus@icculus.org>
parents: 1039
diff changeset
343
1039
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
344 /* 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
345 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
346 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
347
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
348 blitCentered(src, bmp);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
349 SDL_FreeSurface(bmp);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
350
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
351 if (dumpfile)
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
352 SDL_SaveBMP(src, dumpfile); /* make sure initial convert is sane. */
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
353
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
354 output_details();
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
355
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
356 return(1);
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
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
359
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
360 static void test_blit_speed(void)
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 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
363 Uint32 iterations = 0;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
364 Uint32 elasped = 0;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
365 Uint32 end = 0;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
366 Uint32 now = 0;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
367 Uint32 last = 0;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
368 int testms = testSeconds * 1000;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
369 int wmax = (dest->w - src->w);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
370 int hmax = (dest->h - src->h);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
371 int isScreen = (SDL_GetVideoSurface() == dest);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
372 SDL_Event event;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
373
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
374 printf("Testing blit speed for %d seconds...\n", testSeconds);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
375
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
376 now = SDL_GetTicks();
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
377 end = now + testms;
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
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378
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379 do
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380 {
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381 /* pump the event queue occasionally to keep OS happy... */
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382 if (now - last > 1000)
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383 {
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384 last = now;
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385 while (SDL_PollEvent(&event)) { /* no-op. */ }
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386 }
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387
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388 iterations++;
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389 elasped += blit(dest, src, randRange(0, wmax), randRange(0, hmax));
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390 if (isScreen)
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391 {
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392 SDL_Flip(dest); /* show it! */
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393 SDL_FillRect(dest, NULL, clearColor); /* blank it for next time! */
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394 }
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395
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396 now = SDL_GetTicks();
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397 } while (now < end);
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398
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399 printf("Non-blitting crap accounted for %d percent of this run.\n",
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400 percent(testms - elasped, testms));
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401
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402 printf("%d blits took %d ms (%d fps).\n",
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403 (int) iterations,
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404 (int) elasped,
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405 (int) (((float)iterations) / (((float)elasped) / 1000.0f)));
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406 }
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407
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408 int main(int argc, char **argv)
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409 {
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410 int initialized = setup_test(argc, argv);
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411 if (initialized)
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412 {
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413 test_blit_speed();
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414 SDL_Quit();
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415 }
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416 return(!initialized);
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417 }
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418
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419 /* end of testblitspeed.c ... */
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420