vmw_surface.h revision c9f98673c5b6830cd1f41c0c53a9e5e299d47464 
1/**********************************************************
2 * Copyright 2009 VMware, Inc.  All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 *
24 **********************************************************/
25
26/**
27 * @file
28 * Surfaces for VMware SVGA winsys.
29 *
30 * @author Jose Fonseca <jfonseca@vmware.com>
31 */
32
33
34#ifndef VMW_SURFACE_H_
35#define VMW_SURFACE_H_
36
37
38#include "pipe/p_compiler.h"
39#include "util/u_atomic.h"
40#include "util/u_inlines.h"
41
42#define VMW_MAX_PRESENTS 3
43
44
45
46struct vmw_svga_winsys_surface
47{
48   int32_t validated; /* atomic */
49   struct pipe_reference refcnt;
50
51   struct vmw_winsys_screen *screen;
52   uint32_t sid;
53
54   /* FIXME: make this thread safe */
55   unsigned next_present_no;
56   uint32_t present_fences[VMW_MAX_PRESENTS];
57};
58
59
60static INLINE struct svga_winsys_surface *
61svga_winsys_surface(struct vmw_svga_winsys_surface *surf)
62{
63   assert(!surf || surf->sid != SVGA3D_INVALID_ID);
64   return (struct svga_winsys_surface *)surf;
65}
66
67
68static INLINE struct vmw_svga_winsys_surface *
69vmw_svga_winsys_surface(struct svga_winsys_surface *surf)
70{
71   return (struct vmw_svga_winsys_surface *)surf;
72}
73
74
75void
76vmw_svga_winsys_surface_reference(struct vmw_svga_winsys_surface **pdst,
77                                  struct vmw_svga_winsys_surface *src);
78
79#endif /* VMW_SURFACE_H_ */
80