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Added support for SDL_PIXELFORMAT_RGB24 and SDL_PIXELFORMAT_BGR24 to SDL_PixelFormatEnumToMasks()

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%404305
This commit is contained in:
Sam Lantinga 2009-12-14 06:35:27 +00:00
parent e8b8ea1e0a
commit 9ea9c7518d
1 changed files with 26 additions and 0 deletions
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26
src/video/SDL_pixels.c
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@ -53,6 +53,32 @@ SDL_PixelFormatEnumToMasks(Uint32 format, int *bpp, Uint32 * Rmask,
}
*Rmask = *Gmask = *Bmask = *Amask = 0;
if (format == SDL_PIXELFORMAT_RGB24) {
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
*Rmask = 0x00FF0000;
*Gmask = 0x0000FF00;
*Bmask = 0x000000FF;
#else
*Rmask = 0x000000FF;
*Gmask = 0x0000FF00;
*Bmask = 0x00FF0000;
#endif
return SDL_TRUE;
}
if (format == SDL_PIXELFORMAT_BGR24) {
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
*Rmask = 0x000000FF;
*Gmask = 0x0000FF00;
*Bmask = 0x00FF0000;
#else
*Rmask = 0x00FF0000;
*Gmask = 0x0000FF00;
*Bmask = 0x000000FF;
#endif
return SDL_TRUE;
}
if (SDL_PIXELTYPE(format) != SDL_PIXELTYPE_PACKED8 &&
SDL_PIXELTYPE(format) != SDL_PIXELTYPE_PACKED16 &&
SDL_PIXELTYPE(format) != SDL_PIXELTYPE_PACKED32) {