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1 /**************************************************************************
2  *
3  * Copyright 2007 VMware, Inc.
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 VMWARE 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.
26  *
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_format.h"
37 
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
42 struct gl_context;
43 struct pipe_screen;
44 
45 
46 extern enum pipe_format
47 st_mesa_format_to_pipe_format(const struct st_context *st, mesa_format mesaFormat);
48 
49 extern mesa_format
50 st_pipe_format_to_mesa_format(enum pipe_format pipeFormat);
51 
52 
53 extern enum pipe_format
54 st_choose_format(struct st_context *st, GLenum internalFormat,
55                  GLenum format, GLenum type,
56                  enum pipe_texture_target target, unsigned sample_count,
57                  unsigned storage_sample_count,
58                  unsigned bindings, bool swap_bytes, bool allow_dxt);
59 
60 extern enum pipe_format
61 st_choose_renderbuffer_format(struct st_context *st,
62                               GLenum internalFormat, unsigned sample_count,
63                               unsigned storage_sample_count);
64 
65 extern enum pipe_format
66 st_choose_matching_format(struct st_context *st, unsigned bind,
67 			  GLenum format, GLenum type, GLboolean swapBytes);
68 
69 extern mesa_format
70 st_ChooseTextureFormat(struct gl_context * ctx, GLenum target,
71                        GLint internalFormat,
72                        GLenum format, GLenum type);
73 
74 void
75 st_QueryInternalFormat(struct gl_context *ctx, GLenum target,
76                        GLenum internalFormat, GLenum pname, GLint *params);
77 
78 extern void
79 st_translate_color(const union gl_color_union *colorIn,
80                    union pipe_color_union *colorOut,
81                    GLenum baseFormat, GLboolean is_integer);
82 
83 #ifdef __cplusplus
84 }
85 #endif
86 
87 #endif /* ST_FORMAT_H */
88