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  1. /**************************************************************************
  2.  *
  3.  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
  4.  * Copyright (c) 2010 VMware, Inc.
  5.  * All Rights Reserved.
  6.  *
  7.  * Permission is hereby granted, free of charge, to any person obtaining a
  8.  * copy of this software and associated documentation files (the
  9.  * "Software"), to deal in the Software without restriction, including
  10.  * without limitation the rights to use, copy, modify, merge, publish,
  11.  * distribute, sub license, and/or sell copies of the Software, and to
  12.  * permit persons to whom the Software is furnished to do so, subject to
  13.  * the following conditions:
  14.  *
  15.  * The above copyright notice and this permission notice (including the
  16.  * next paragraph) shall be included in all copies or substantial portions
  17.  * of the Software.
  18.  *
  19.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  22.  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  23.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  24.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  25.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26.  *
  27.  **************************************************************************/
  28.  
  29.  
  30. #ifndef ST_FORMAT_H
  31. #define ST_FORMAT_H
  32.  
  33. #include "main/formats.h"
  34. #include "main/glheader.h"
  35.  
  36. #include "pipe/p_defines.h"
  37. #include "pipe/p_format.h"
  38.  
  39. struct gl_context;
  40. struct pipe_screen;
  41.  
  42.  
  43. extern enum pipe_format
  44. st_mesa_format_to_pipe_format(gl_format mesaFormat);
  45.  
  46. extern gl_format
  47. st_pipe_format_to_mesa_format(enum pipe_format pipeFormat);
  48.  
  49.  
  50. extern enum pipe_format
  51. st_choose_format(struct st_context *st, GLenum internalFormat,
  52.                  GLenum format, GLenum type,
  53.                  enum pipe_texture_target target, unsigned sample_count,
  54.                  unsigned bindings, boolean allow_dxt);
  55.  
  56. extern enum pipe_format
  57. st_choose_renderbuffer_format(struct st_context *st,
  58.                               GLenum internalFormat, unsigned sample_count);
  59.  
  60. extern enum pipe_format
  61. st_choose_matching_format(struct pipe_screen *screen, unsigned bind,
  62.                           GLenum format, GLenum type, GLboolean swapBytes);
  63.  
  64. extern gl_format
  65. st_ChooseTextureFormat(struct gl_context * ctx, GLenum target,
  66.                        GLint internalFormat,
  67.                        GLenum format, GLenum type);
  68.  
  69. size_t
  70. st_QuerySamplesForFormat(struct gl_context *ctx, GLenum target,
  71.                          GLenum internalFormat, int samples[16]);
  72.  
  73.  
  74.  
  75. extern void
  76. st_translate_color(union gl_color_union *colorIn,
  77.                    union pipe_color_union *colorOut,
  78.                    GLenum baseFormat, GLboolean is_integer);
  79.  
  80. #endif /* ST_FORMAT_H */
  81.