src/mesa/main/glformats.h

   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 BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  22  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  23  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 #ifndef GLFORMATS_H
  27 #define GLFORMATS_H
  28
  29
  30 #include <GL/gl.h>
  31
  32
  33 #ifdef __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 extern GLboolean
  38 _mesa_type_is_packed(GLenum type);
  39
  40 extern GLint
  41 _mesa_sizeof_type( GLenum type );
  42
  43 extern GLint
  44 _mesa_sizeof_packed_type( GLenum type );
  45
  46 extern GLint
  47 _mesa_components_in_format( GLenum format );
  48
  49 extern GLint
  50 _mesa_bytes_per_pixel( GLenum format, GLenum type );
  51
  52 extern GLint
  53 _mesa_bytes_per_vertex_attrib(GLint comps, GLenum type);
  54
  55 extern GLboolean
  56 _mesa_is_type_integer(GLenum type);
  57
  58 extern GLboolean
  59 _mesa_is_type_unsigned(GLenum type);
  60
  61 extern GLboolean
  62 _mesa_is_enum_format_integer(GLenum format);
  63
  64 extern GLboolean
  65 _mesa_is_enum_format_or_type_integer(GLenum format, GLenum type);
  66
  67 extern GLboolean
  68 _mesa_is_color_format(GLenum format);
  69
  70 extern GLboolean
  71 _mesa_is_depth_format(GLenum format);
  72
  73 extern GLboolean
  74 _mesa_is_stencil_format(GLenum format);
  75
  76 extern GLboolean
  77 _mesa_is_ycbcr_format(GLenum format);
  78
  79 extern GLboolean
  80 _mesa_is_depthstencil_format(GLenum format);
  81
  82 extern GLboolean
  83 _mesa_is_depth_or_stencil_format(GLenum format);
  84
  85 extern GLboolean
  86 _mesa_is_dudv_format(GLenum format);
  87
  88 extern GLboolean
  89 _mesa_is_compressed_format(struct gl_context *ctx, GLenum format);
  90
  91 extern GLenum
  92 _mesa_base_format_to_integer_format(GLenum format);
  93
  94 extern GLboolean
  95 _mesa_base_format_has_channel(GLenum base_format, GLenum pname);
  96
  97 extern GLenum
  98 _mesa_generic_compressed_format_to_uncompressed_format(GLenum format);
  99
 100 extern GLenum
 101 _mesa_get_nongeneric_internalformat(GLenum format);
 102
 103 extern GLenum
 104 _mesa_get_linear_internalformat(GLenum format);
 105
 106 extern GLenum
 107 _mesa_error_check_format_and_type(const struct gl_context *ctx,
 108                                   GLenum format, GLenum type);
 109
 110 extern GLenum
 111 _mesa_es_error_check_format_and_type(GLenum format, GLenum type,
 112                                      unsigned dimensions);
 113
 114
 115 #ifdef __cplusplus
 116 }
 117 #endif
 118
 119 #endif /* GLFORMATS_H */