stw_pixelformat.h revision 0e471ac45771393ea74178eb98f41b904168cf64 
1/**************************************************************************
2 *
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#ifndef PIXELFORMAT_H
29#define PIXELFORMAT_H
30
31#define PF_FLAG_DOUBLEBUFFER  0x00000001
32#define PF_FLAG_MULTISAMPLED  0x00000002
33
34struct pixelformat_color_info
35{
36   uint redbits;
37   uint redshift;
38   uint greenbits;
39   uint greenshift;
40   uint bluebits;
41   uint blueshift;
42};
43
44struct pixelformat_alpha_info
45{
46   uint alphabits;
47   uint alphashift;
48};
49
50struct pixelformat_depth_info
51{
52   uint depthbits;
53   uint stencilbits;
54};
55
56struct pixelformat_info
57{
58   uint flags;
59   struct pixelformat_color_info color;
60   struct pixelformat_alpha_info alpha;
61   struct pixelformat_depth_info depth;
62};
63
64void
65pixelformat_init( void );
66
67uint
68pixelformat_get_count( void );
69
70uint
71pixelformat_get_extended_count( void );
72
73const struct pixelformat_info *
74pixelformat_get_info( uint index );
75
76#endif /* PIXELFORMAT_H */
77