1 /* 2 * Copyright 2008 Tungsten Graphics 3 * Jakob Bornecrantz <jakob@tungstengraphics.com> 4 * Copyright 2008 Intel Corporation 5 * Jesse Barnes <jesse.barnes@intel.com> 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 23 * IN THE SOFTWARE. 24 */ 25 26 #ifndef UTIL_FORMAT_H 27 #define UTIL_FORMAT_H 28 29 struct util_color_component { 30 unsigned int length; 31 unsigned int offset; 32 }; 33 34 struct util_rgb_info { 35 struct util_color_component red; 36 struct util_color_component green; 37 struct util_color_component blue; 38 struct util_color_component alpha; 39 }; 40 41 enum util_yuv_order { 42 YUV_YCbCr = 1, 43 YUV_YCrCb = 2, 44 YUV_YC = 4, 45 YUV_CY = 8, 46 }; 47 48 struct util_yuv_info { 49 enum util_yuv_order order; 50 unsigned int xsub; 51 unsigned int ysub; 52 unsigned int chroma_stride; 53 }; 54 55 struct util_format_info { 56 uint32_t format; 57 const char *name; 58 const struct util_rgb_info rgb; 59 const struct util_yuv_info yuv; 60 }; 61 62 uint32_t util_format_fourcc(const char *name); 63 const struct util_format_info *util_format_info_find(uint32_t format); 64 65 #endif /* UTIL_FORMAT_H */ 66