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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/mtypes.h"
  35.  
  36. #include "pipe/p_defines.h"
  37. #include "pipe/p_format.h"
  38.  
  39. struct pipe_screen;
  40.  
  41. extern GLenum
  42. st_format_datatype(enum pipe_format format);
  43.  
  44.  
  45. extern enum pipe_format
  46. st_mesa_format_to_pipe_format(gl_format mesaFormat);
  47.  
  48. extern gl_format
  49. st_pipe_format_to_mesa_format(enum pipe_format pipeFormat);
  50.  
  51.  
  52. extern enum pipe_format
  53. st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
  54.                  enum pipe_texture_target target, unsigned sample_count,
  55.                  unsigned tex_usage);
  56.  
  57. extern enum pipe_format
  58. st_choose_renderbuffer_format(struct pipe_screen *screen,
  59.                               GLenum internalFormat, unsigned sample_count);
  60.  
  61.  
  62. gl_format
  63. st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
  64.                                   GLenum format, GLenum type, GLboolean renderable);
  65.  
  66. extern gl_format
  67. st_ChooseTextureFormat(struct gl_context * ctx, GLint internalFormat,
  68.                        GLenum format, GLenum type);
  69.  
  70.  
  71. extern GLboolean
  72. st_equal_formats(enum pipe_format pFormat, GLenum format, GLenum type);
  73.  
  74. /* can we use a sampler view to translate these formats
  75.    only used to make TFP so far */
  76. extern GLboolean
  77. st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2);
  78.  
  79.  
  80. extern void
  81. st_translate_color(const GLfloat colorIn[4], GLenum baseFormat,
  82.                    GLfloat colorOut[4]);
  83.  
  84.  
  85. #endif /* ST_FORMAT_H */
  86.