Mercurial > sdl-ios-xcode
diff include/SDL_pixels.h @ 5159:307ccc9c135e
Made it possible to create a texture of any format, even if not supported by the renderer.
This allows me to reduce the set of formats supported by the renderers to the most optimal set, for a nice speed boost.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Thu, 03 Feb 2011 00:19:40 -0800 |
| parents | 660d3a432102 |
| children | b530ef003506 |
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--- a/include/SDL_pixels.h Wed Feb 02 22:55:12 2011 -0800 +++ b/include/SDL_pixels.h Thu Feb 03 00:19:40 2011 -0800 @@ -122,18 +122,26 @@ #define SDL_PIXELORDER(X) (((X) >> 20) & 0x0F) #define SDL_PIXELLAYOUT(X) (((X) >> 16) & 0x0F) #define SDL_BITSPERPIXEL(X) (((X) >> 8) & 0xFF) -#define SDL_BYTESPERPIXEL(X) (((X) >> 0) & 0xFF) +#define SDL_BYTESPERPIXEL(X) \ + (SDL_ISPIXELFORMAT_FOURCC(X) ? \ + ((((X) == SDL_PIXELFORMAT_YV12) || \ + ((X) == SDL_PIXELFORMAT_IYUV) || \ + ((X) == SDL_PIXELFORMAT_YUY2) || \ + ((X) == SDL_PIXELFORMAT_UYVY) || \ + ((X) == SDL_PIXELFORMAT_YVYU)) ? 2 : 1) : (((X) >> 0) & 0xFF)) #define SDL_ISPIXELFORMAT_INDEXED(format) \ - ((SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX1) || \ - (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX4) || \ - (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX8)) + (!SDL_ISPIXELFORMAT_FOURCC(format) && \ + ((SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX1) || \ + (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX4) || \ + (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX8))) #define SDL_ISPIXELFORMAT_ALPHA(format) \ - ((SDL_PIXELORDER(format) == SDL_PACKEDORDER_ARGB) || \ - (SDL_PIXELORDER(format) == SDL_PACKEDORDER_RGBA) || \ - (SDL_PIXELORDER(format) == SDL_PACKEDORDER_ABGR) || \ - (SDL_PIXELORDER(format) == SDL_PACKEDORDER_BGRA)) + (!SDL_ISPIXELFORMAT_FOURCC(format) && \ + ((SDL_PIXELORDER(format) == SDL_PACKEDORDER_ARGB) || \ + (SDL_PIXELORDER(format) == SDL_PACKEDORDER_RGBA) || \ + (SDL_PIXELORDER(format) == SDL_PACKEDORDER_ABGR) || \ + (SDL_PIXELORDER(format) == SDL_PACKEDORDER_BGRA))) #define SDL_ISPIXELFORMAT_FOURCC(format) \ ((format) && !((format) & 0x80000000))