tests/util/format.h

   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 */