1 /**************************************************************************
2 *
3 * Copyright 2009 VMware, Inc.
4 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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.
26 *
27 **************************************************************************/
28
29 /**
30 * @author Jose Fonseca <jfonseca@vmware.com>
31 * @author Keith Whitwell <keith@tungstengraphics.com>
32 */
33
34 #ifndef LP_SCREEN_H
35 #define LP_SCREEN_H
36
37 #include "pipe/p_screen.h"
38 #include "pipe/p_defines.h"
39 #include "os/os_thread.h"
40 #include "gallivm/lp_bld.h"
41
42
43 struct sw_winsys;
44
45
46 struct llvmpipe_screen
47 {
48 struct pipe_screen base;
49
50 struct sw_winsys *winsys;
51
52 unsigned num_threads;
53
54 /* Increments whenever textures are modified. Contexts can track this.
55 */
56 unsigned timestamp;
57
58 struct lp_rasterizer *rast;
59 pipe_mutex rast_mutex;
60 };
61
62
63
64
65 static INLINE struct llvmpipe_screen *
llvmpipe_screen(struct pipe_screen * pipe)66 llvmpipe_screen( struct pipe_screen *pipe )
67 {
68 return (struct llvmpipe_screen *)pipe;
69 }
70
71
72
73 #endif /* LP_SCREEN_H */
74