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  1. /*
  2.  * Mesa 3-D graphics library
  3.  *
  4.  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  5.  * Copyright (c) 2008-2009  VMware, Inc.
  6.  * Copyright (c) 2012 Intel Corporation
  7.  *
  8.  * Permission is hereby granted, free of charge, to any person obtaining a
  9.  * copy of this software and associated documentation files (the "Software"),
  10.  * to deal in the Software without restriction, including without limitation
  11.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12.  * and/or sell copies of the Software, and to permit persons to whom the
  13.  * Software is furnished to do so, subject to the following conditions:
  14.  *
  15.  * The above copyright notice and this permission notice shall be included
  16.  * in all copies or substantial portions of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  22.  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  23.  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  24.  * OTHER DEALINGS IN THE SOFTWARE.
  25.  */
  26.  
  27. #ifndef GLFORMATS_H
  28. #define GLFORMATS_H
  29.  
  30.  
  31. #include <GL/gl.h>
  32.  
  33.  
  34. #ifdef __cplusplus
  35. extern "C" {
  36. #endif
  37.  
  38. extern GLboolean
  39. _mesa_type_is_packed(GLenum type);
  40.  
  41. extern GLint
  42. _mesa_sizeof_type( GLenum type );
  43.  
  44. extern GLint
  45. _mesa_sizeof_packed_type( GLenum type );
  46.  
  47. extern GLint
  48. _mesa_components_in_format( GLenum format );
  49.  
  50. extern GLint
  51. _mesa_bytes_per_pixel( GLenum format, GLenum type );
  52.  
  53. extern GLint
  54. _mesa_bytes_per_vertex_attrib(GLint comps, GLenum type);
  55.  
  56. extern GLboolean
  57. _mesa_is_type_integer(GLenum type);
  58.  
  59. extern GLboolean
  60. _mesa_is_type_unsigned(GLenum type);
  61.  
  62. extern GLboolean
  63. _mesa_is_enum_format_integer(GLenum format);
  64.  
  65. extern GLboolean
  66. _mesa_is_enum_format_unsigned_int(GLenum format);
  67.  
  68. extern GLboolean
  69. _mesa_is_enum_format_signed_int(GLenum format);
  70.  
  71. extern GLboolean
  72. _mesa_is_enum_format_or_type_integer(GLenum format, GLenum type);
  73.  
  74. extern GLboolean
  75. _mesa_is_color_format(GLenum format);
  76.  
  77. extern GLboolean
  78. _mesa_is_depth_format(GLenum format);
  79.  
  80. extern GLboolean
  81. _mesa_is_stencil_format(GLenum format);
  82.  
  83. extern GLboolean
  84. _mesa_is_ycbcr_format(GLenum format);
  85.  
  86. extern GLboolean
  87. _mesa_is_depthstencil_format(GLenum format);
  88.  
  89. extern GLboolean
  90. _mesa_is_depth_or_stencil_format(GLenum format);
  91.  
  92. extern GLboolean
  93. _mesa_is_dudv_format(GLenum format);
  94.  
  95. extern GLboolean
  96. _mesa_is_compressed_format(struct gl_context *ctx, GLenum format);
  97.  
  98. extern GLenum
  99. _mesa_base_format_to_integer_format(GLenum format);
  100.  
  101. extern GLboolean
  102. _mesa_base_format_has_channel(GLenum base_format, GLenum pname);
  103.  
  104. extern GLint
  105. _mesa_base_format_component_count(GLenum base_format);
  106.  
  107. extern GLenum
  108. _mesa_generic_compressed_format_to_uncompressed_format(GLenum format);
  109.  
  110. extern GLenum
  111. _mesa_get_nongeneric_internalformat(GLenum format);
  112.  
  113. extern GLenum
  114. _mesa_get_linear_internalformat(GLenum format);
  115.  
  116. extern GLenum
  117. _mesa_error_check_format_and_type(const struct gl_context *ctx,
  118.                                   GLenum format, GLenum type);
  119.  
  120. extern GLenum
  121. _mesa_es_error_check_format_and_type(GLenum format, GLenum type,
  122.                                      unsigned dimensions);
  123.  
  124. extern GLenum
  125. _mesa_es3_error_check_format_and_type(GLenum format, GLenum type,
  126.                                       GLenum internalFormat);
  127.  
  128.  
  129. #ifdef __cplusplus
  130. }
  131. #endif
  132.  
  133. #endif /* GLFORMATS_H */
  134.