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annotate test/testblitspeed.c @ 1295:c3e36ac8a94c

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Date: Sun, 6 Mar 2005 17:06:20 +0100 From: Per Inge Mathisen Subject: [SDL] Fullscreen refresh on win32 Windows has a terrible default for fullscreen 3D apps of 60mhz refresh rate. This can be fixed by the user by going into his driver's control panel and forcing the refresh rate higher. However, this not a very user friendly way about it, and in any case SDL contains no code that could figure out this that condition has afflicted the user. So the question is, could SDL fix this for the user? It is possible under Windows to request a higher refresh rate. The danger is of course that if the user has an old monitor, and you request a too high refresh rate, the monitor could be damaged. However, I believe there might be a way around that: Check before switching what refresh rate the user's desktop runs in, and if our fullscreen dimensions are equal or less than those of the desktop, use the higher refresh rate of 60 and the desktop rate. Since most users run their desktops in the same or higher resolution something sane, this should fix this problem for most users. Thoughts? An alternative is to add an SDL_GL_GetAttribute(SDL_GL_REFRESH_RATE) option so that programs can bitch at their users at their own convenience. - Per
author Sam Lantinga <slouken@libsdl.org>
date Mon, 30 Jan 2006 06:56:10 +0000
parents cf59e7b91ed4
children e49147870aac c121d94672cb
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 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 {
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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
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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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diff changeset
223 dstrmask = atoi_hex(argv[++i]);
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diff changeset
224 else if (strcmp(arg, "--dstgmask") == 0)
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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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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;
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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]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
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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.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
249 srch = atoi(argv[++i]);
68f2b997758e Added testblitspeed to aid in profiling of SDL's blitters.
Ryan C. Gordon <icculus@icculus.org>
parents:
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>
parents:
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);
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375
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376 now = SDL_GetTicks();
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377 end = now + testms;
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378
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379 do
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380 {
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381 /* pump the event queue occasionally to keep OS happy... */
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382 if (now - last > 1000)
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383 {
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384 last = now;
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385 while (SDL_PollEvent(&event)) { /* no-op. */ }
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386 }
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387
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388 iterations++;
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389 elasped += blit(dest, src, randRange(0, wmax), randRange(0, hmax));
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390 if (isScreen)
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391 {
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392 SDL_Flip(dest); /* show it! */
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393 SDL_FillRect(dest, NULL, clearColor); /* blank it for next time! */
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394 }
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395
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396 now = SDL_GetTicks();
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397 } while (now < end);
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398
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399 printf("Non-blitting crap accounted for %d percent of this run.\n",
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400 percent(testms - elasped, testms));
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401
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402 printf("%d blits took %d ms (%d fps).\n",
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403 (int) iterations,
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404 (int) elasped,
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405 (int) (((float)iterations) / (((float)elasped) / 1000.0f)));
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406 }
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407
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408 int main(int argc, char **argv)
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409 {
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410 int initialized = setup_test(argc, argv);
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411 if (initialized)
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412 {
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413 test_blit_speed();
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414 SDL_Quit();
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415 }
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416 return(!initialized);
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417 }
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418
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419 /* end of testblitspeed.c ... */
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420