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comparison include/SDL_pixels.h @ 5159:307ccc9c135e

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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
comparison
equal deleted inserted replaced
5158:f3ebd1950442 5159:307ccc9c135e
120 120
121 #define SDL_PIXELTYPE(X) (((X) >> 24) & 0x0F) 121 #define SDL_PIXELTYPE(X) (((X) >> 24) & 0x0F)
122 #define SDL_PIXELORDER(X) (((X) >> 20) & 0x0F) 122 #define SDL_PIXELORDER(X) (((X) >> 20) & 0x0F)
123 #define SDL_PIXELLAYOUT(X) (((X) >> 16) & 0x0F) 123 #define SDL_PIXELLAYOUT(X) (((X) >> 16) & 0x0F)
124 #define SDL_BITSPERPIXEL(X) (((X) >> 8) & 0xFF) 124 #define SDL_BITSPERPIXEL(X) (((X) >> 8) & 0xFF)
125 #define SDL_BYTESPERPIXEL(X) (((X) >> 0) & 0xFF) 125 #define SDL_BYTESPERPIXEL(X) \
126 (SDL_ISPIXELFORMAT_FOURCC(X) ? \
127 ((((X) == SDL_PIXELFORMAT_YV12) || \
128 ((X) == SDL_PIXELFORMAT_IYUV) || \
129 ((X) == SDL_PIXELFORMAT_YUY2) || \
130 ((X) == SDL_PIXELFORMAT_UYVY) || \
131 ((X) == SDL_PIXELFORMAT_YVYU)) ? 2 : 1) : (((X) >> 0) & 0xFF))
126 132
127 #define SDL_ISPIXELFORMAT_INDEXED(format) \ 133 #define SDL_ISPIXELFORMAT_INDEXED(format) \
128 ((SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX1) || \ 134 (!SDL_ISPIXELFORMAT_FOURCC(format) && \
129 (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX4) || \ 135 ((SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX1) || \
130 (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX8)) 136 (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX4) || \
137 (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX8)))
131 138
132 #define SDL_ISPIXELFORMAT_ALPHA(format) \ 139 #define SDL_ISPIXELFORMAT_ALPHA(format) \
133 ((SDL_PIXELORDER(format) == SDL_PACKEDORDER_ARGB) || \ 140 (!SDL_ISPIXELFORMAT_FOURCC(format) && \
134 (SDL_PIXELORDER(format) == SDL_PACKEDORDER_RGBA) || \ 141 ((SDL_PIXELORDER(format) == SDL_PACKEDORDER_ARGB) || \
135 (SDL_PIXELORDER(format) == SDL_PACKEDORDER_ABGR) || \ 142 (SDL_PIXELORDER(format) == SDL_PACKEDORDER_RGBA) || \
136 (SDL_PIXELORDER(format) == SDL_PACKEDORDER_BGRA)) 143 (SDL_PIXELORDER(format) == SDL_PACKEDORDER_ABGR) || \
144 (SDL_PIXELORDER(format) == SDL_PACKEDORDER_BGRA)))
137 145
138 #define SDL_ISPIXELFORMAT_FOURCC(format) \ 146 #define SDL_ISPIXELFORMAT_FOURCC(format) \
139 ((format) && !((format) & 0x80000000)) 147 ((format) && !((format) & 0x80000000))
140 148
141 /* Note: If you modify this list, update SDL_GetPixelFormatName() */ 149 /* Note: If you modify this list, update SDL_GetPixelFormatName() */