glformats.h revision a3af27e99362c0da9f467a39427d32d1270a720f 
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
34extern "C" {
35#endif
36
37extern GLboolean
38_mesa_type_is_packed(GLenum type);
39
40extern GLint
41_mesa_sizeof_type( GLenum type );
42
43extern GLint
44_mesa_sizeof_packed_type( GLenum type );
45
46extern GLint
47_mesa_components_in_format( GLenum format );
48
49extern GLint
50_mesa_bytes_per_pixel( GLenum format, GLenum type );
51
52extern GLboolean
53_mesa_is_type_integer(GLenum type);
54
55extern GLboolean
56_mesa_is_type_unsigned(GLenum type);
57
58extern GLboolean
59_mesa_is_enum_format_integer(GLenum format);
60
61extern GLboolean
62_mesa_is_enum_format_or_type_integer(GLenum format, GLenum type);
63
64extern GLboolean
65_mesa_is_color_format(GLenum format);
66
67extern GLboolean
68_mesa_is_depth_format(GLenum format);
69
70extern GLboolean
71_mesa_is_stencil_format(GLenum format);
72
73extern GLboolean
74_mesa_is_ycbcr_format(GLenum format);
75
76extern GLboolean
77_mesa_is_depthstencil_format(GLenum format);
78
79extern GLboolean
80_mesa_is_depth_or_stencil_format(GLenum format);
81
82extern GLboolean
83_mesa_is_dudv_format(GLenum format);
84
85extern GLboolean
86_mesa_is_compressed_format(struct gl_context *ctx, GLenum format);
87
88extern GLenum
89_mesa_base_format_to_integer_format(GLenum format);
90
91extern GLboolean
92_mesa_base_format_has_channel(GLenum base_format, GLenum pname);
93
94extern GLenum
95_mesa_generic_compressed_format_to_uncompressed_format(GLenum format);
96
97extern GLenum
98_mesa_error_check_format_and_type(const struct gl_context *ctx,
99                                  GLenum format, GLenum type);
100
101
102#ifdef __cplusplus
103}
104#endif
105
106#endif /* GLFORMATS_H */
107