Merge branch 'glsl2-head' into glsl2
[mesa.git] / src / mesa / state_tracker / st_format.h
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.
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27 **************************************************************************/
28
29
30 #ifndef ST_FORMAT_H
31 #define ST_FORMAT_H
32
33 #include "main/formats.h"
34
35
36 extern GLenum
37 st_format_datatype(enum pipe_format format);
38
39
40 extern enum pipe_format
41 st_mesa_format_to_pipe_format(gl_format mesaFormat);
42
43 extern gl_format
44 st_pipe_format_to_mesa_format(enum pipe_format pipeFormat);
45
46
47 extern enum pipe_format
48 st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
49 enum pipe_texture_target target, unsigned sample_count,
50 unsigned tex_usage);
51
52 extern enum pipe_format
53 st_choose_renderbuffer_format(struct pipe_screen *screen,
54 GLenum internalFormat, unsigned sample_count);
55
56
57 extern gl_format
58 st_ChooseTextureFormat(GLcontext * ctx, GLint internalFormat,
59 GLenum format, GLenum type);
60
61
62 extern GLboolean
63 st_equal_formats(enum pipe_format pFormat, GLenum format, GLenum type);
64
65 /* can we use a sampler view to translate these formats
66 only used to make TFP so far */
67 extern GLboolean
68 st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2);
69
70 #endif /* ST_FORMAT_H */