1 /**********************************************************
2 * Copyright 2009-2015 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
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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 #include "os/os_thread.h"
42 #include "pipebuffer/pb_buffer.h"
43
44 #define VMW_MAX_PRESENTS 3
45
46
47
48 struct vmw_svga_winsys_surface
49 {
50 int32_t validated; /* atomic */
51 struct pipe_reference refcnt;
52
53 struct vmw_winsys_screen *screen;
54 uint32_t sid;
55
56 /* FIXME: make this thread safe */
57 unsigned next_present_no;
58 uint32_t present_fences[VMW_MAX_PRESENTS];
59
60 mtx_t mutex;
61 struct svga_winsys_buffer *buf; /* Current backing guest buffer */
62 uint32_t mapcount; /* Number of mappers */
63 uint32_t map_mode; /* PIPE_MAP_[READ|WRITE] */
64 void *data; /* Pointer to data if mapcount != 0*/
65 boolean shared; /* Shared surface. Never discard */
66 uint32_t size; /* Size of backing buffer */
67 boolean rebind; /* Surface needs a rebind after next unmap */
68 };
69
70
71 static inline struct svga_winsys_surface *
svga_winsys_surface(struct vmw_svga_winsys_surface * surf)72 svga_winsys_surface(struct vmw_svga_winsys_surface *surf)
73 {
74 assert(!surf || surf->sid != SVGA3D_INVALID_ID);
75 return (struct svga_winsys_surface *)surf;
76 }
77
78
79 static inline struct vmw_svga_winsys_surface *
vmw_svga_winsys_surface(struct svga_winsys_surface * surf)80 vmw_svga_winsys_surface(struct svga_winsys_surface *surf)
81 {
82 return (struct vmw_svga_winsys_surface *)surf;
83 }
84
85
86 void
87 vmw_svga_winsys_surface_reference(struct vmw_svga_winsys_surface **pdst,
88 struct vmw_svga_winsys_surface *src);
89 void *
90 vmw_svga_winsys_surface_map(struct svga_winsys_context *swc,
91 struct svga_winsys_surface *srf,
92 unsigned flags, boolean *retry,
93 boolean *rebind);
94 void
95 vmw_svga_winsys_surface_unmap(struct svga_winsys_context *swc,
96 struct svga_winsys_surface *srf,
97 boolean *rebind);
98
99 void
100 vmw_svga_winsys_surface_init(struct svga_winsys_screen *sws,
101 struct svga_winsys_surface *surface,
102 unsigned surf_size, SVGA3dSurfaceAllFlags flags);
103
104 #endif /* VMW_SURFACE_H_ */
105