Subversion Repositories Kolibri OS

Rev

Blame | Last modification | View Log | RSS feed

  1. /*
  2.  * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
  3.  *
  4.  * Permission is hereby granted, free of charge, to any person obtaining a
  5.  * copy of this software and associated documentation files (the "Software"),
  6.  * to deal in the Software without restriction, including without limitation
  7.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8.  * and/or sell copies of the Software, and to permit persons to whom the
  9.  * Software is furnished to do so, subject to the following conditions:
  10.  *
  11.  * The above copyright notice and this permission notice (including the next
  12.  * paragraph) shall be included in all copies or substantial portions of the
  13.  * Software.
  14.  *
  15.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19.  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20.  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21.  * SOFTWARE.
  22.  *
  23.  */
  24.  
  25. #ifndef FD3_FORMAT_H_
  26. #define FD3_FORMAT_H_
  27.  
  28. #include "util/u_format.h"
  29. #include "freedreno_util.h"
  30.  
  31. #include "a3xx.xml.h"
  32.  
  33. enum a3xx_vtx_fmt fd3_pipe2vtx(enum pipe_format format);
  34. enum a3xx_tex_fmt fd3_pipe2tex(enum pipe_format format);
  35. enum a3xx_tex_fetchsize fd3_pipe2fetchsize(enum pipe_format format);
  36. enum a3xx_color_fmt fd3_pipe2color(enum pipe_format format);
  37. enum pipe_format fd3_gmem_restore_format(enum pipe_format format);
  38. enum a3xx_color_fmt fd3_fs_output_format(enum pipe_format format);
  39. enum a3xx_color_swap fd3_pipe2swap(enum pipe_format format);
  40.  
  41. uint32_t fd3_tex_swiz(enum pipe_format format, unsigned swizzle_r,
  42.                 unsigned swizzle_g, unsigned swizzle_b, unsigned swizzle_a);
  43.  
  44. static INLINE bool
  45. fd3_half_precision(const struct pipe_surface *surface)
  46. {
  47.         enum pipe_format format;
  48.         if (!surface)
  49.                 return true;
  50.  
  51.         format = surface->format;
  52.  
  53.         /* colors are provided in consts, which go through cov.f32f16, which will
  54.          * break these values
  55.          */
  56.         if (util_format_is_pure_integer(format))
  57.                 return false;
  58.  
  59.         /* avoid losing precision on 32-bit float formats */
  60.         if (util_format_is_float(format) &&
  61.                 util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 0) == 32)
  62.                 return false;
  63.  
  64.         return true;
  65. }
  66.  
  67. #endif /* FD3_FORMAT_H_ */
  68.