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
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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/glheader.h"
35 
36 #include "pipe/p_defines.h"
37 #include "pipe/p_format.h"
38 
39 struct gl_context;
40 struct pipe_screen;
41 
42 
43 extern enum pipe_format
44 st_mesa_format_to_pipe_format(gl_format mesaFormat);
45 
46 extern gl_format
47 st_pipe_format_to_mesa_format(enum pipe_format pipeFormat);
48 
49 
50 extern enum pipe_format
51 st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
52                  GLenum format, GLenum type,
53                  enum pipe_texture_target target, unsigned sample_count,
54                  unsigned bindings);
55 
56 extern enum pipe_format
57 st_choose_renderbuffer_format(struct pipe_screen *screen,
58                               GLenum internalFormat, unsigned sample_count);
59 
60 
61 gl_format
62 st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
63 				  GLenum format, GLenum type, GLboolean renderable);
64 
65 extern gl_format
66 st_ChooseTextureFormat(struct gl_context * ctx, GLenum target,
67                        GLint internalFormat,
68                        GLenum format, GLenum type);
69 
70 
71 /* can we use a sampler view to translate these formats
72    only used to make TFP so far */
73 extern GLboolean
74 st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2);
75 
76 
77 extern void
78 st_translate_color(union gl_color_union *colorIn,
79                    union pipe_color_union *colorOut,
80                    GLenum baseFormat, GLboolean is_integer);
81 
82 #endif /* ST_FORMAT_H */
83