format.h 2.0 KB

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  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. #ifndef UTIL_FORMAT_H
  26. #define UTIL_FORMAT_H
  27. struct util_color_component {
  28. unsigned int length;
  29. unsigned int offset;
  30. };
  31. struct util_rgb_info {
  32. struct util_color_component red;
  33. struct util_color_component green;
  34. struct util_color_component blue;
  35. struct util_color_component alpha;
  36. };
  37. enum util_yuv_order {
  38. YUV_YCbCr = 1,
  39. YUV_YCrCb = 2,
  40. YUV_YC = 4,
  41. YUV_CY = 8,
  42. };
  43. struct util_yuv_info {
  44. enum util_yuv_order order;
  45. unsigned int xsub;
  46. unsigned int ysub;
  47. unsigned int chroma_stride;
  48. };
  49. struct util_format_info {
  50. uint32_t format;
  51. const char *name;
  52. const struct util_rgb_info rgb;
  53. const struct util_yuv_info yuv;
  54. };
  55. uint32_t util_format_fourcc(const char *name);
  56. const struct util_format_info *util_format_info_find(uint32_t format);
  57. #endif /* UTIL_FORMAT_H */