st_format.h revision f9995b30756140724f41daf963fa06167912be7f 
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
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27 **************************************************************************/
28
29
30#ifndef ST_FORMAT_H
31#define ST_FORMAT_H
32
33#include "main/formats.h"
34#include "main/mtypes.h"
35
36#include "pipe/p_defines.h"
37#include "pipe/p_format.h"
38
39struct pipe_screen;
40
41extern GLenum
42st_format_datatype(enum pipe_format format);
43
44
45extern enum pipe_format
46st_mesa_format_to_pipe_format(gl_format mesaFormat);
47
48extern gl_format
49st_pipe_format_to_mesa_format(enum pipe_format pipeFormat);
50
51
52extern enum pipe_format
53st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
54                 enum pipe_texture_target target, unsigned sample_count,
55                 unsigned tex_usage);
56
57extern enum pipe_format
58st_choose_renderbuffer_format(struct pipe_screen *screen,
59                              GLenum internalFormat, unsigned sample_count);
60
61
62gl_format
63st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
64				  GLenum format, GLenum type, GLboolean renderable);
65
66extern gl_format
67st_ChooseTextureFormat(struct gl_context * ctx, GLint internalFormat,
68                       GLenum format, GLenum type);
69
70
71extern GLboolean
72st_equal_formats(enum pipe_format pFormat, GLenum format, GLenum type);
73
74/* can we use a sampler view to translate these formats
75   only used to make TFP so far */
76extern GLboolean
77st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2);
78
79#endif /* ST_FORMAT_H */
80