Mercurial > sdl-ios-xcode
annotate src/video/SDL_surface.c @ 3796:b19680c84cdf SDL-ryan-multiple-audio-device
Bunch of 1.3 audio cleanups to remove FIXMEs, get driver specific crap out of
the core and into the drivers where it belongs, and push generic
responsibilities out of the drivers and into the core where they belong.
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Wed, 04 Oct 2006 19:54:23 +0000 |
parents | 8a162bfdc838 |
children | 926294b2bb4e |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2006 Sam Lantinga |
0 | 4 |
5 This library is free software; you can redistribute it and/or | |
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6 modify it under the terms of the GNU Lesser General Public |
0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
0 | 9 |
10 This library is distributed in the hope that it will be useful, | |
11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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13 Lesser General Public License for more details. |
0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
0 | 18 |
19 Sam Lantinga | |
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20 slouken@libsdl.org |
0 | 21 */ |
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22 #include "SDL_config.h" |
0 | 23 |
24 #include "SDL_video.h" | |
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25 #include "SDL_compat.h" |
0 | 26 #include "SDL_sysvideo.h" |
27 #include "SDL_blit.h" | |
28 #include "SDL_RLEaccel_c.h" | |
29 #include "SDL_pixels_c.h" | |
30 #include "SDL_leaks.h" | |
31 | |
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32 |
0 | 33 /* Public routines */ |
34 /* | |
35 * Create an empty RGB surface of the appropriate depth | |
36 */ | |
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37 SDL_Surface * |
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38 SDL_CreateRGBSurface(Uint32 flags, |
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39 int width, int height, int depth, |
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40 Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask) |
0 | 41 { |
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42 SDL_Surface *surface; |
0 | 43 |
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44 /* Allocate the surface */ |
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45 surface = (SDL_Surface *) SDL_calloc(1, sizeof(*surface)); |
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46 if (surface == NULL) { |
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47 SDL_OutOfMemory(); |
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48 return NULL; |
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49 } |
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50 |
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51 surface->format = SDL_AllocFormat(depth, Rmask, Gmask, Bmask, Amask); |
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52 if (!surface->format) { |
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53 SDL_FreeSurface(surface); |
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54 return NULL; |
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55 } |
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56 if (Amask) { |
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57 surface->flags |= SDL_SRCALPHA; |
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58 } |
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59 surface->w = width; |
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60 surface->h = height; |
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61 surface->pitch = SDL_CalculatePitch(surface); |
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62 SDL_SetClipRect(surface, NULL); |
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63 |
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64 if (surface->format->BitsPerPixel <= 8) { |
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65 SDL_Palette *palette = |
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66 SDL_AllocPalette((1 << surface->format->BitsPerPixel)); |
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67 if (!palette) { |
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68 SDL_FreeSurface(surface); |
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69 return NULL; |
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70 } |
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71 if (Rmask || Bmask || Gmask) { |
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72 const SDL_PixelFormat *format = surface->format; |
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73 |
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74 /* create palette according to masks */ |
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75 int i; |
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76 int Rm = 0, Gm = 0, Bm = 0; |
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77 int Rw = 0, Gw = 0, Bw = 0; |
0 | 78 |
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79 if (Rmask) { |
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80 Rw = 8 - format->Rloss; |
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81 for (i = format->Rloss; i > 0; i -= Rw) |
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82 Rm |= 1 << i; |
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83 } |
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84 if (Gmask) { |
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85 Gw = 8 - format->Gloss; |
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86 for (i = format->Gloss; i > 0; i -= Gw) |
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87 Gm |= 1 << i; |
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88 } |
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89 if (Bmask) { |
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90 Bw = 8 - format->Bloss; |
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91 for (i = format->Bloss; i > 0; i -= Bw) |
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92 Bm |= 1 << i; |
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93 } |
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94 for (i = 0; i < palette->ncolors; ++i) { |
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95 int r, g, b; |
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96 r = (i & Rmask) >> format->Rshift; |
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97 r = (r << format->Rloss) | ((r * Rm) >> Rw); |
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98 palette->colors[i].r = r; |
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99 |
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100 g = (i & Gmask) >> format->Gshift; |
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101 g = (g << format->Gloss) | ((g * Gm) >> Gw); |
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102 palette->colors[i].g = g; |
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104 b = (i & Bmask) >> format->Bshift; |
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105 b = (b << format->Bloss) | ((b * Bm) >> Bw); |
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106 palette->colors[i].b = b; |
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107 } |
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108 } else if (palette->ncolors == 2) { |
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109 /* Create a black and white bitmap palette */ |
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110 palette->colors[0].r = 0xFF; |
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111 palette->colors[0].g = 0xFF; |
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112 palette->colors[0].b = 0xFF; |
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113 palette->colors[1].r = 0x00; |
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114 palette->colors[1].g = 0x00; |
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115 palette->colors[1].b = 0x00; |
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116 } |
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117 SDL_SetSurfacePalette(surface, palette); |
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118 SDL_FreePalette(palette); |
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119 } |
0 | 120 |
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121 /* Get the pixels */ |
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122 if (surface->w && surface->h) { |
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123 surface->pixels = SDL_malloc(surface->h * surface->pitch); |
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124 if (!surface->pixels) { |
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125 SDL_FreeSurface(surface); |
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126 SDL_OutOfMemory(); |
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127 return NULL; |
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128 } |
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129 /* This is important for bitmaps */ |
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130 SDL_memset(surface->pixels, 0, surface->h * surface->pitch); |
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131 } |
0 | 132 |
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133 /* Allocate an empty mapping */ |
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134 surface->map = SDL_AllocBlitMap(); |
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135 if (!surface->map) { |
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136 SDL_FreeSurface(surface); |
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137 return NULL; |
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138 } |
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139 SDL_FormatChanged(surface); |
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140 |
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141 /* The surface is ready to go */ |
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142 surface->refcount = 1; |
0 | 143 #ifdef CHECK_LEAKS |
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144 ++surfaces_allocated; |
0 | 145 #endif |
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146 return surface; |
0 | 147 } |
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148 |
0 | 149 /* |
150 * Create an RGB surface from an existing memory buffer | |
151 */ | |
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152 SDL_Surface * |
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153 SDL_CreateRGBSurfaceFrom(void *pixels, |
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154 int width, int height, int depth, int pitch, |
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155 Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, |
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156 Uint32 Amask) |
0 | 157 { |
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158 SDL_Surface *surface; |
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159 |
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160 surface = |
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161 SDL_CreateRGBSurface(0, 0, 0, depth, Rmask, Gmask, Bmask, Amask); |
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162 if (surface != NULL) { |
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163 surface->flags |= SDL_PREALLOC; |
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164 surface->pixels = pixels; |
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165 surface->w = width; |
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166 surface->h = height; |
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167 surface->pitch = pitch; |
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168 SDL_SetClipRect(surface, NULL); |
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169 } |
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170 return surface; |
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171 } |
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172 |
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173 SDL_Surface * |
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174 SDL_CreateRGBSurfaceFromTexture(SDL_TextureID textureID) |
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175 { |
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176 SDL_Surface *surface; |
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177 Uint32 format; |
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178 int w, h; |
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179 int bpp; |
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180 Uint32 Rmask, Gmask, Bmask, Amask; |
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181 void *pixels; |
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182 int pitch; |
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183 |
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184 if (SDL_QueryTexture(textureID, &format, NULL, &w, &h) < 0) { |
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185 return NULL; |
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186 } |
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187 |
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188 if (!SDL_PixelFormatEnumToMasks |
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189 (format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) { |
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190 SDL_SetError("Unknown texture format"); |
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191 return NULL; |
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192 } |
0 | 193 |
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194 if (SDL_QueryTexturePixels(textureID, &pixels, &pitch) == 0) { |
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195 surface = |
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196 SDL_CreateRGBSurfaceFrom(pixels, w, h, bpp, pitch, Rmask, Gmask, |
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197 Bmask, Amask); |
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198 } else { |
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199 surface = |
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200 SDL_CreateRGBSurface(0, 0, 0, bpp, Rmask, Gmask, Bmask, Amask); |
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201 if (surface) { |
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202 surface->flags |= SDL_HWSURFACE; |
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203 surface->w = w; |
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204 surface->h = h; |
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205 surface->pitch = SDL_CalculatePitch(surface); |
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206 SDL_SetClipRect(surface, NULL); |
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207 } |
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208 } |
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209 if (surface) { |
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210 surface->textureID = textureID; |
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211 } |
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212 |
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213 return surface; |
0 | 214 } |
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215 |
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216 static int |
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217 SDL_SurfacePaletteChanged(void *userdata, SDL_Palette * palette) |
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218 { |
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219 SDL_Surface *surface = (SDL_Surface *) userdata; |
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220 |
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221 if (surface->textureID) { |
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222 if (SDL_SetTexturePalette |
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223 (surface->textureID, palette->colors, 0, palette->ncolors) < 0) { |
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224 SDL_GetTexturePalette(surface->textureID, palette->colors, 0, |
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225 palette->ncolors); |
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226 return -1; |
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227 } |
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228 } |
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229 SDL_FormatChanged(surface); |
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230 |
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231 return 0; |
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232 } |
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233 |
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234 int |
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235 SDL_SetSurfacePalette(SDL_Surface * surface, SDL_Palette * palette) |
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236 { |
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237 if (!surface || !surface->format) { |
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238 SDL_SetError("SDL_SetSurfacePalette() passed a NULL surface"); |
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239 return -1; |
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240 } |
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241 |
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242 if (palette && palette->ncolors != (1 << surface->format->BitsPerPixel)) { |
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243 SDL_SetError |
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244 ("SDL_SetSurfacePalette() passed a palette that doesn't match the surface format"); |
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245 return -1; |
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246 } |
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247 |
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248 if (surface->format->palette == palette) { |
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249 return 0; |
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250 } |
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251 |
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252 if (surface->format->palette) { |
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253 SDL_DelPaletteWatch(surface->format->palette, |
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254 SDL_SurfacePaletteChanged, surface); |
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255 } |
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256 |
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257 surface->format->palette = palette; |
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258 |
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259 if (surface->format->palette) { |
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260 SDL_AddPaletteWatch(surface->format->palette, |
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261 SDL_SurfacePaletteChanged, surface); |
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262 } |
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263 return 0; |
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264 } |
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265 |
0 | 266 /* |
267 * Set the color key in a blittable surface | |
268 */ | |
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269 int |
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270 SDL_SetColorKey(SDL_Surface * surface, Uint32 flag, Uint32 key) |
0 | 271 { |
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272 /* Sanity check the flag as it gets passed in */ |
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273 if (flag & SDL_SRCCOLORKEY) { |
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274 if (flag & (SDL_RLEACCEL | SDL_RLEACCELOK)) { |
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275 flag = (SDL_SRCCOLORKEY | SDL_RLEACCELOK); |
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276 } else { |
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277 flag = SDL_SRCCOLORKEY; |
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278 } |
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279 } else { |
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280 flag = 0; |
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281 } |
0 | 282 |
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283 /* Optimize away operations that don't change anything */ |
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284 if ((flag == (surface->flags & (SDL_SRCCOLORKEY | SDL_RLEACCELOK))) && |
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285 (key == surface->format->colorkey)) { |
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286 return (0); |
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287 } |
0 | 288 |
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289 /* UnRLE surfaces before we change the colorkey */ |
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290 if (surface->flags & SDL_RLEACCEL) { |
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291 SDL_UnRLESurface(surface, 1); |
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292 } |
0 | 293 |
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294 if (flag) { |
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295 surface->flags |= SDL_SRCCOLORKEY; |
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296 surface->format->colorkey = key; |
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297 if (flag & SDL_RLEACCELOK) { |
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298 surface->flags |= SDL_RLEACCELOK; |
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299 } else { |
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300 surface->flags &= ~SDL_RLEACCELOK; |
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301 } |
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302 } else { |
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303 surface->flags &= ~(SDL_SRCCOLORKEY | SDL_RLEACCELOK); |
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304 surface->format->colorkey = 0; |
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305 } |
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306 SDL_InvalidateMap(surface->map); |
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307 return (0); |
0 | 308 } |
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309 |
431
41cadcba32e8
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310 /* This function sets the alpha channel of a surface */ |
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311 int |
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312 SDL_SetAlpha(SDL_Surface * surface, Uint32 flag, Uint8 value) |
0 | 313 { |
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314 Uint32 oldflags = surface->flags; |
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315 Uint32 oldalpha = surface->format->alpha; |
0 | 316 |
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317 /* Sanity check the flag as it gets passed in */ |
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318 if (flag & SDL_SRCALPHA) { |
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319 if (flag & (SDL_RLEACCEL | SDL_RLEACCELOK)) { |
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320 flag = (SDL_SRCALPHA | SDL_RLEACCELOK); |
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321 } else { |
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322 flag = SDL_SRCALPHA; |
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323 } |
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324 } else { |
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325 flag = 0; |
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326 } |
0 | 327 |
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328 /* Optimize away operations that don't change anything */ |
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329 if ((flag == (surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK))) && |
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330 (!flag || value == oldalpha)) { |
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331 return (0); |
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332 } |
0 | 333 |
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334 if (!(flag & SDL_RLEACCELOK) && (surface->flags & SDL_RLEACCEL)) |
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335 SDL_UnRLESurface(surface, 1); |
0 | 336 |
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337 if (flag) { |
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338 surface->flags |= SDL_SRCALPHA; |
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339 surface->format->alpha = value; |
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340 if (flag & SDL_RLEACCELOK) { |
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341 surface->flags |= SDL_RLEACCELOK; |
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342 } else { |
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343 surface->flags &= ~SDL_RLEACCELOK; |
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344 } |
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345 } else { |
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346 surface->flags &= ~SDL_SRCALPHA; |
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347 surface->format->alpha = SDL_ALPHA_OPAQUE; |
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348 } |
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349 /* |
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350 * The representation for software surfaces is independent of |
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351 * per-surface alpha, so no need to invalidate the blit mapping |
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352 * if just the alpha value was changed. (If either is 255, we still |
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353 * need to invalidate.) |
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354 */ |
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355 if (oldflags != surface->flags |
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356 || (((oldalpha + 1) ^ (value + 1)) & 0x100)) { |
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357 SDL_InvalidateMap(surface->map); |
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358 } |
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359 return (0); |
0 | 360 } |
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361 |
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362 int |
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363 SDL_SetAlphaChannel(SDL_Surface * surface, Uint8 value) |
431
41cadcba32e8
Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
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364 { |
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365 int row, col; |
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366 int offset; |
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367 Uint8 *buf; |
431
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368 |
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369 if ((surface->format->Amask != 0xFF000000) && |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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370 (surface->format->Amask != 0x000000FF)) { |
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371 SDL_SetError("Unsupported surface alpha mask format"); |
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372 return -1; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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373 } |
431
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Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
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374 #if SDL_BYTEORDER == SDL_LIL_ENDIAN |
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375 if (surface->format->Amask == 0xFF000000) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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376 offset = 3; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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377 } else { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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378 offset = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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379 } |
431
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380 #else |
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381 if (surface->format->Amask == 0xFF000000) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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382 offset = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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383 } else { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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384 offset = 3; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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385 } |
431
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386 #endif /* Byte ordering */ |
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387 |
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388 /* Quickly set the alpha channel of an RGBA or ARGB surface */ |
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389 if (SDL_MUSTLOCK(surface)) { |
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390 if (SDL_LockSurface(surface) < 0) { |
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391 return -1; |
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392 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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393 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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394 row = surface->h; |
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395 while (row--) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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396 col = surface->w; |
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397 buf = (Uint8 *) surface->pixels + row * surface->pitch + offset; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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398 while (col--) { |
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399 *buf = value; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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400 buf += 4; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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401 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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402 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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403 if (SDL_MUSTLOCK(surface)) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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404 SDL_UnlockSurface(surface); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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405 } |
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406 return 0; |
431
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Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
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407 } |
0 | 408 |
409 /* | |
410 * Set the clipping rectangle for a blittable surface | |
411 */ | |
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412 SDL_bool |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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413 SDL_SetClipRect(SDL_Surface * surface, const SDL_Rect * rect) |
0 | 414 { |
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415 SDL_Rect full_rect; |
0 | 416 |
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417 /* Don't do anything if there's no surface to act on */ |
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418 if (!surface) { |
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419 return SDL_FALSE; |
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420 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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421 |
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422 /* Set up the full surface rectangle */ |
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423 full_rect.x = 0; |
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424 full_rect.y = 0; |
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425 full_rect.w = surface->w; |
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426 full_rect.h = surface->h; |
0 | 427 |
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428 /* Set the clipping rectangle */ |
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429 if (!rect) { |
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430 surface->clip_rect = full_rect; |
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431 return 1; |
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432 } |
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433 return SDL_IntersectRect(rect, &full_rect, &surface->clip_rect); |
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434 } |
0 | 435 |
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436 void |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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437 SDL_GetClipRect(SDL_Surface * surface, SDL_Rect * rect) |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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438 { |
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439 if (surface && rect) { |
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440 *rect = surface->clip_rect; |
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441 } |
0 | 442 } |
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443 |
0 | 444 /* |
445 * Set up a blit between two surfaces -- split into three parts: | |
446 * The upper part, SDL_UpperBlit(), performs clipping and rectangle | |
447 * verification. The lower part is a pointer to a low level | |
448 * accelerated blitting function. | |
449 * | |
450 * These parts are separated out and each used internally by this | |
451 * library in the optimimum places. They are exported so that if | |
452 * you know exactly what you are doing, you can optimize your code | |
453 * by calling the one(s) you need. | |
454 */ | |
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455 int |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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456 SDL_LowerBlit(SDL_Surface * src, SDL_Rect * srcrect, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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457 SDL_Surface * dst, SDL_Rect * dstrect) |
0 | 458 { |
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459 /* Check to make sure the blit mapping is valid */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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460 if ((src->map->dst != dst) || |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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461 (src->map->dst->format_version != src->map->format_version)) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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462 if (SDL_MapSurface(src, dst) < 0) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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463 return (-1); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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464 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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465 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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466 return (src->map->sw_blit(src, srcrect, dst, dstrect)); |
0 | 467 } |
468 | |
469 | |
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470 int |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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471 SDL_UpperBlit(SDL_Surface * src, SDL_Rect * srcrect, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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472 SDL_Surface * dst, SDL_Rect * dstrect) |
0 | 473 { |
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474 SDL_Rect fulldst; |
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475 int srcx, srcy, w, h; |
0 | 476 |
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477 /* Make sure the surfaces aren't locked */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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478 if (!src || !dst) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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479 SDL_SetError("SDL_UpperBlit: passed a NULL surface"); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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480 return (-1); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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481 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
482 if (src->locked || dst->locked) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
483 SDL_SetError("Surfaces must not be locked during blit"); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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484 return (-1); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
485 } |
0 | 486 |
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|
487 /* If the destination rectangle is NULL, use the entire dest surface */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
488 if (dstrect == NULL) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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489 fulldst.x = fulldst.y = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
490 dstrect = &fulldst; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
491 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
492 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
493 /* clip the source rectangle to the source surface */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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494 if (srcrect) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
495 int maxw, maxh; |
0 | 496 |
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497 srcx = srcrect->x; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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498 w = srcrect->w; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
499 if (srcx < 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
500 w += srcx; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
501 dstrect->x -= srcx; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
502 srcx = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
503 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
504 maxw = src->w - srcx; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
505 if (maxw < w) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
506 w = maxw; |
0 | 507 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
508 srcy = srcrect->y; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
509 h = srcrect->h; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
510 if (srcy < 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
511 h += srcy; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
512 dstrect->y -= srcy; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
513 srcy = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
514 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
515 maxh = src->h - srcy; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
516 if (maxh < h) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
517 h = maxh; |
0 | 518 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
519 } else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
520 srcx = srcy = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
521 w = src->w; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
522 h = src->h; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
523 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
524 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
525 /* clip the destination rectangle against the clip rectangle */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
526 { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
527 SDL_Rect *clip = &dst->clip_rect; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
528 int dx, dy; |
0 | 529 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
530 dx = clip->x - dstrect->x; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
531 if (dx > 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
532 w -= dx; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
533 dstrect->x += dx; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
534 srcx += dx; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
535 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
536 dx = dstrect->x + w - clip->x - clip->w; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
537 if (dx > 0) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
538 w -= dx; |
0 | 539 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
540 dy = clip->y - dstrect->y; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
541 if (dy > 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
542 h -= dy; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
543 dstrect->y += dy; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
544 srcy += dy; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
545 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
546 dy = dstrect->y + h - clip->y - clip->h; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
547 if (dy > 0) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
548 h -= dy; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
549 } |
0 | 550 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
551 if (w > 0 && h > 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
552 SDL_Rect sr; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
553 sr.x = srcx; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
554 sr.y = srcy; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
555 sr.w = dstrect->w = w; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
556 sr.h = dstrect->h = h; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
557 return SDL_LowerBlit(src, &sr, dst, dstrect); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
558 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
559 dstrect->w = dstrect->h = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
560 return 0; |
0 | 561 } |
562 | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
563 static int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
564 SDL_FillRect1(SDL_Surface * dst, SDL_Rect * dstrect, Uint32 color) |
532
058d47b7a3b4
Return an error with color fills on less than 8 bpp surfaces.
Sam Lantinga <slouken@libsdl.org>
parents:
526
diff
changeset
|
565 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
566 /* FIXME: We have to worry about packing order.. *sigh* */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
567 SDL_SetError("1-bpp rect fill not yet implemented"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
568 return -1; |
532
058d47b7a3b4
Return an error with color fills on less than 8 bpp surfaces.
Sam Lantinga <slouken@libsdl.org>
parents:
526
diff
changeset
|
569 } |
058d47b7a3b4
Return an error with color fills on less than 8 bpp surfaces.
Sam Lantinga <slouken@libsdl.org>
parents:
526
diff
changeset
|
570 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
571 static int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
572 SDL_FillRect4(SDL_Surface * dst, SDL_Rect * dstrect, Uint32 color) |
532
058d47b7a3b4
Return an error with color fills on less than 8 bpp surfaces.
Sam Lantinga <slouken@libsdl.org>
parents:
526
diff
changeset
|
573 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
574 /* FIXME: We have to worry about packing order.. *sigh* */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
575 SDL_SetError("4-bpp rect fill not yet implemented"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
576 return -1; |
532
058d47b7a3b4
Return an error with color fills on less than 8 bpp surfaces.
Sam Lantinga <slouken@libsdl.org>
parents:
526
diff
changeset
|
577 } |
058d47b7a3b4
Return an error with color fills on less than 8 bpp surfaces.
Sam Lantinga <slouken@libsdl.org>
parents:
526
diff
changeset
|
578 |
0 | 579 /* |
580 * This function performs a fast fill of the given rectangle with 'color' | |
581 */ | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
582 int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
583 SDL_FillRect(SDL_Surface * dst, SDL_Rect * dstrect, Uint32 color) |
0 | 584 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
585 int x, y; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
586 Uint8 *row; |
0 | 587 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
588 /* This function doesn't work on surfaces < 8 bpp */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
589 if (dst->format->BitsPerPixel < 8) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
590 switch (dst->format->BitsPerPixel) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
591 case 1: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
592 return SDL_FillRect1(dst, dstrect, color); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
593 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
594 case 4: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
595 return SDL_FillRect4(dst, dstrect, color); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
596 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
597 default: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
598 SDL_SetError("Fill rect on unsupported surface format"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
599 return (-1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
600 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
601 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
602 } |
532
058d47b7a3b4
Return an error with color fills on less than 8 bpp surfaces.
Sam Lantinga <slouken@libsdl.org>
parents:
526
diff
changeset
|
603 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
604 /* If 'dstrect' == NULL, then fill the whole surface */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
605 if (dstrect) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
606 /* Perform clipping */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
607 if (!SDL_IntersectRect(dstrect, &dst->clip_rect, dstrect)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
608 return (0); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
609 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
610 } else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
611 dstrect = &dst->clip_rect; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
612 } |
0 | 613 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
614 /* Perform software fill */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
615 if (SDL_LockSurface(dst) != 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
616 return (-1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
617 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
618 row = (Uint8 *) dst->pixels + dstrect->y * dst->pitch + |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
619 dstrect->x * dst->format->BytesPerPixel; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
620 if (dst->format->palette || (color == 0)) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
621 x = dstrect->w * dst->format->BytesPerPixel; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
622 if (!color && !((uintptr_t) row & 3) && !(x & 3) |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
623 && !(dst->pitch & 3)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
624 int n = x >> 2; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
625 for (y = dstrect->h; y; --y) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
626 SDL_memset4(row, 0, n); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
627 row += dst->pitch; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
628 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
629 } else { |
0 | 630 #ifdef __powerpc__ |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
631 /* |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
632 * SDL_memset() on PPC (both glibc and codewarrior) uses |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
633 * the dcbz (Data Cache Block Zero) instruction, which |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
634 * causes an alignment exception if the destination is |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
635 * uncachable, so only use it on software surfaces |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
636 */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
637 if (dst->flags & SDL_HWSURFACE) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
638 if (dstrect->w >= 8) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
639 /* |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
640 * 64-bit stores are probably most |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
641 * efficient to uncached video memory |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
642 */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
643 double fill; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
644 SDL_memset(&fill, color, (sizeof fill)); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
645 for (y = dstrect->h; y; y--) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
646 Uint8 *d = row; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
647 unsigned n = x; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
648 unsigned nn; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
649 Uint8 c = color; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
650 double f = fill; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
651 while ((unsigned long) d & (sizeof(double) - 1)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
652 *d++ = c; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
653 n--; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
654 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
655 nn = n / (sizeof(double) * 4); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
656 while (nn) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
657 ((double *) d)[0] = f; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
658 ((double *) d)[1] = f; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
659 ((double *) d)[2] = f; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
660 ((double *) d)[3] = f; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
661 d += 4 * sizeof(double); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
662 nn--; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
663 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
664 n &= ~(sizeof(double) * 4 - 1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
665 nn = n / sizeof(double); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
666 while (nn) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
667 *(double *) d = f; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
668 d += sizeof(double); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
669 nn--; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
670 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
671 n &= ~(sizeof(double) - 1); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
672 while (n) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
673 *d++ = c; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
674 n--; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
675 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
676 row += dst->pitch; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
677 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
678 } else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
679 /* narrow boxes */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
680 for (y = dstrect->h; y; y--) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
681 Uint8 *d = row; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
682 Uint8 c = color; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
683 int n = x; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
684 while (n) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
685 *d++ = c; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
686 n--; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
687 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
688 row += dst->pitch; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
689 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
690 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
691 } else |
0 | 692 #endif /* __powerpc__ */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
693 { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
694 for (y = dstrect->h; y; y--) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
695 SDL_memset(row, color, x); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
696 row += dst->pitch; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
697 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
698 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
699 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
700 } else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
701 switch (dst->format->BytesPerPixel) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
702 case 2: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
703 for (y = dstrect->h; y; --y) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
704 Uint16 *pixels = (Uint16 *) row; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
705 Uint16 c = (Uint16) color; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
706 Uint32 cc = (Uint32) c << 16 | c; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
707 int n = dstrect->w; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
708 if ((uintptr_t) pixels & 3) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
709 *pixels++ = c; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
710 n--; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
711 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
712 if (n >> 1) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
713 SDL_memset4(pixels, cc, n >> 1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
714 if (n & 1) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
715 pixels[n - 1] = c; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
716 row += dst->pitch; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
717 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
718 break; |
0 | 719 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
720 case 3: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
721 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
722 color <<= 8; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
723 #endif |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
724 for (y = dstrect->h; y; --y) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
725 Uint8 *pixels = row; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
726 for (x = dstrect->w; x; --x) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
727 SDL_memcpy(pixels, &color, 3); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
728 pixels += 3; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
729 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
730 row += dst->pitch; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
731 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
732 break; |
0 | 733 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
734 case 4: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
735 for (y = dstrect->h; y; --y) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
736 SDL_memset4(row, color, dstrect->w); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
737 row += dst->pitch; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
738 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
739 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
740 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
741 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
742 SDL_UnlockSurface(dst); |
0 | 743 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
744 /* We're done! */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
745 return (0); |
0 | 746 } |
747 | |
748 /* | |
749 * Lock a surface to directly access the pixels | |
750 */ | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
751 int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
752 SDL_LockSurface(SDL_Surface * surface) |
0 | 753 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
754 if (!surface->locked) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
755 /* Perform the lock */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
756 if (surface->flags & SDL_HWSURFACE) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
757 if (SDL_LockTexture |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
758 (surface->textureID, NULL, 1, &surface->pixels, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
759 &surface->pitch) < 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
760 return (-1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
761 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
762 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
763 if (surface->flags & SDL_RLEACCEL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
764 SDL_UnRLESurface(surface, 1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
765 surface->flags |= SDL_RLEACCEL; /* save accel'd state */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
766 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
767 } |
0 | 768 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
769 /* Increment the surface lock count, for recursive locks */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
770 ++surface->locked; |
0 | 771 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
772 /* Ready to go.. */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
773 return (0); |
0 | 774 } |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
775 |
0 | 776 /* |
777 * Unlock a previously locked surface | |
778 */ | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
779 void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
780 SDL_UnlockSurface(SDL_Surface * surface) |
0 | 781 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
782 /* Only perform an unlock if we are locked */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
783 if (!surface->locked || (--surface->locked > 0)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
784 return; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
785 } |
0 | 786 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
787 /* Unlock hardware or accelerated surfaces */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
788 if (surface->flags & SDL_HWSURFACE) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
789 SDL_UnlockTexture(surface->textureID); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
790 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
791 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
792 /* Update RLE encoded surface with new data */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
793 if ((surface->flags & SDL_RLEACCEL) == SDL_RLEACCEL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
794 surface->flags &= ~SDL_RLEACCEL; /* stop lying */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
795 SDL_RLESurface(surface); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
796 } |
0 | 797 } |
798 | |
799 /* | |
800 * Convert a surface into the specified pixel format. | |
801 */ | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
802 SDL_Surface * |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
803 SDL_ConvertSurface(SDL_Surface * surface, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
804 SDL_PixelFormat * format, Uint32 flags) |
0 | 805 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
806 SDL_Surface *convert; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
807 Uint32 colorkey = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
808 Uint8 alpha = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
809 Uint32 surface_flags; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
810 SDL_Rect bounds; |
0 | 811 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
812 /* Check for empty destination palette! (results in empty image) */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
813 if (format->palette != NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
814 int i; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
815 for (i = 0; i < format->palette->ncolors; ++i) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
816 if ((format->palette->colors[i].r != 0xFF) || |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
817 (format->palette->colors[i].g != 0xFF) || |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
818 (format->palette->colors[i].b != 0xFF)) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
819 break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
820 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
821 if (i == format->palette->ncolors) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
822 SDL_SetError("Empty destination palette"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
823 return (NULL); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
824 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
825 } |
264
c9cd3b564e4b
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
826 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
827 /* Create a new surface with the desired format */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
828 convert = SDL_CreateRGBSurface(flags, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
829 surface->w, surface->h, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
830 format->BitsPerPixel, format->Rmask, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
831 format->Gmask, format->Bmask, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
832 format->Amask); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
833 if (convert == NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
834 return (NULL); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
835 } |
0 | 836 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
837 /* Copy the palette if any */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
838 if (format->palette && convert->format->palette) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
839 SDL_memcpy(convert->format->palette->colors, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
840 format->palette->colors, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
841 format->palette->ncolors * sizeof(SDL_Color)); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
842 convert->format->palette->ncolors = format->palette->ncolors; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
843 } |
0 | 844 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
845 /* Save the original surface color key and alpha */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
846 surface_flags = surface->flags; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
847 if ((surface_flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
848 /* Convert colourkeyed surfaces to RGBA if requested */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
849 if ((flags & SDL_SRCCOLORKEY) != SDL_SRCCOLORKEY && format->Amask) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
850 surface_flags &= ~SDL_SRCCOLORKEY; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
851 } else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
852 colorkey = surface->format->colorkey; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
853 SDL_SetColorKey(surface, 0, 0); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
854 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
855 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
856 if ((surface_flags & SDL_SRCALPHA) == SDL_SRCALPHA) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
857 /* Copy over the alpha channel to RGBA if requested */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
858 if (format->Amask) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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859 surface->flags &= ~SDL_SRCALPHA; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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860 } else { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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861 alpha = surface->format->alpha; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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862 SDL_SetAlpha(surface, 0, 0); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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863 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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changeset
|
864 } |
0 | 865 |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
866 /* Copy over the image data */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
867 bounds.x = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
868 bounds.y = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
869 bounds.w = surface->w; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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870 bounds.h = surface->h; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
871 SDL_LowerBlit(surface, &bounds, convert, &bounds); |
0 | 872 |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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873 /* Clean up the original surface, and update converted surface */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
874 if (convert != NULL) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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changeset
|
875 SDL_SetClipRect(convert, &surface->clip_rect); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
876 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
877 if ((surface_flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
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changeset
|
878 Uint32 cflags = surface_flags & (SDL_SRCCOLORKEY | SDL_RLEACCELOK); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
879 if (convert != NULL) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
880 Uint8 keyR, keyG, keyB; |
0 | 881 |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
882 SDL_GetRGB(colorkey, surface->format, &keyR, &keyG, &keyB); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1456
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changeset
|
883 SDL_SetColorKey(convert, cflags | (flags & SDL_RLEACCELOK), |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
884 SDL_MapRGB(convert->format, keyR, keyG, keyB)); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
885 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1456
diff
changeset
|
886 SDL_SetColorKey(surface, cflags, colorkey); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
887 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
888 if ((surface_flags & SDL_SRCALPHA) == SDL_SRCALPHA) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
889 Uint32 aflags = surface_flags & (SDL_SRCALPHA | SDL_RLEACCELOK); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
890 if (convert != NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1456
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changeset
|
891 SDL_SetAlpha(convert, aflags | (flags & SDL_RLEACCELOK), alpha); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
892 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
893 if (format->Amask) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
894 surface->flags |= SDL_SRCALPHA; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
895 } else { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
896 SDL_SetAlpha(surface, aflags, alpha); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
897 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
898 } |
0 | 899 |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
900 /* We're ready to go! */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
901 return (convert); |
0 | 902 } |
903 | |
904 /* | |
905 * Free a surface created by the above function. | |
906 */ | |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
907 void |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
908 SDL_FreeSurface(SDL_Surface * surface) |
0 | 909 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
910 if (surface == NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
911 return; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
912 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
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|
913 if (--surface->refcount > 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
914 return; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
915 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
916 while (surface->locked > 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
917 SDL_UnlockSurface(surface); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
918 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
919 if (surface->flags & SDL_RLEACCEL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
920 SDL_UnRLESurface(surface, 0); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
921 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
922 if (surface->format) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
923 SDL_SetSurfacePalette(surface, NULL); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
924 SDL_FreeFormat(surface->format); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
925 surface->format = NULL; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
926 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
927 if (surface->map != NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
928 SDL_FreeBlitMap(surface->map); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
929 surface->map = NULL; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
930 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
931 /* Should we destroy the texture too? |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
932 if (surface->textureID) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
933 SDL_DestroyTexture(surface->textureID); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
934 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
935 */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
936 if (surface->pixels && ((surface->flags & SDL_PREALLOC) != SDL_PREALLOC)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
937 SDL_free(surface->pixels); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
938 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
939 SDL_free(surface); |
0 | 940 #ifdef CHECK_LEAKS |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
941 --surfaces_allocated; |
0 | 942 #endif |
943 } | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
944 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
945 /* vi: set ts=4 sw=4 expandtab: */ |