Mercurial > sdl-ios-xcode
annotate src/video/SDL_surface.c @ 2182:cc2597da0840
Fixed bug #455
If passed "" for the character set, let iconv_open() interpret it as
locale.
This was merged from revision 3234,3235 from SDL 1.2
author | Sam Lantinga <slouken@libsdl.org> |
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date | Thu, 12 Jul 2007 07:52:50 +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; |
0 | 103 |
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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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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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362 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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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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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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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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378 offset = 0; |
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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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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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384 offset = 3; |
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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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393 } |
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394 row = surface->h; |
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395 while (row--) { |
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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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398 while (col--) { |
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399 *buf = value; |
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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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402 } |
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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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405 } |
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406 return 0; |
431
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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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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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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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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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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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464 } |
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465 } |
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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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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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480 return (-1); |
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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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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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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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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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498 w = srcrect->w; |
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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:
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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:
1456
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:
1456
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:
1456
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:
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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:
1456
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:
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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.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
619 dstrect->x * 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>
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|
620 if (dst->format->palette || (color == 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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|
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) |
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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|
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; |
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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|
625 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>
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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.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
627 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>
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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 /* |
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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|
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.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
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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changeset
|
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>
parents:
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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>
parents:
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changeset
|
636 */ |
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
|
637 if (dst->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:
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changeset
|
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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changeset
|
639 /* |
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
|
640 * 64-bit stores are probably most |
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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|
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>
parents:
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changeset
|
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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changeset
|
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>
parents:
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changeset
|
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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changeset
|
645 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>
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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.
Sam Lantinga <slouken@libsdl.org>
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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; |
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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|
649 Uint8 c = color; |
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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|
650 double f = 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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|
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; |
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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|
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 } |
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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|
655 nn = n / (sizeof(double) * 4); |
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
|
656 while (nn) { |
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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|
657 ((double *) d)[0] = 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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|
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.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
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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changeset
|
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>
parents:
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changeset
|
662 nn--; |
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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|
663 } |
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
|
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>
parents:
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changeset
|
665 nn = n / sizeof(double); |
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
|
666 while (nn) { |
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
|
667 *(double *) d = 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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changeset
|
668 d += sizeof(double); |
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
|
669 nn--; |
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
|
670 } |
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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|
671 n &= ~(sizeof(double) - 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
|
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>
parents:
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changeset
|
673 *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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|
674 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
|
675 } |
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
|
676 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>
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changeset
|
677 } |
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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|
678 } 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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|
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:
1456
diff
changeset
|
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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changeset
|
682 Uint8 c = 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
|
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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diff
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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diff
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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diff
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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diff
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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diff
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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diff
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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diff
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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diff
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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diff
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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diff
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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diff
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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diff
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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diff
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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diff
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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diff
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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diff
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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diff
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:
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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) { |
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
|
859 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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860 } 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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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 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
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; |
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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>
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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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|
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.
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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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|
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.
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parents:
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|
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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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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|
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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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) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
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.
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|
896 SDL_SetAlpha(surface, aflags, alpha); |
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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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|
898 } |
0 | 899 |
1895
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Sam Lantinga <slouken@libsdl.org>
parents:
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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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Sam Lantinga <slouken@libsdl.org>
parents:
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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>
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|
908 SDL_FreeSurface(SDL_Surface * surface) |
0 | 909 { |
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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|
910 if (surface == NULL) { |
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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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|
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:
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|
913 if (--surface->refcount > 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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|
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:
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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:
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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:
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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
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|
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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|
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:
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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:
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|
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:
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changeset
|
924 SDL_FreeFormat(surface->format); |
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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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|
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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|
926 } |
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
|
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); |
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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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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
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|
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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|
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:
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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:
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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:
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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:
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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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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:
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changeset
|
945 /* vi: set ts=4 sw=4 expandtab: */ |