format_utils.h revision 848b8605 
1/**
2 * \file format_utils.h
3 * A collection of format conversion utility functions.
4 */
5
6/*
7 * Mesa 3-D graphics library
8 *
9 * Copyright (C) 1999-2006  Brian Paul  All Rights Reserved.
10 * Copyright (C) 2014  Intel Corporation  All Rights Reserved.
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice shall be included
20 * in all copies or substantial portions of the Software.
21 *
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
25 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
26 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
27 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
28 * OTHER DEALINGS IN THE SOFTWARE.
29 */
30
31#ifndef FORMAT_UTILS_H
32#define FORMAT_UTILS_H
33
34#include "imports.h"
35
36bool
37_mesa_format_to_array(mesa_format, GLenum *type, int *num_components,
38                      uint8_t swizzle[4], bool *normalized);
39
40void
41_mesa_swizzle_and_convert(void *dst, GLenum dst_type, int num_dst_channels,
42                          const void *src, GLenum src_type, int num_src_channels,
43                          const uint8_t swizzle[4], bool normalized, int count);
44
45#endif
46