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
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#include "os/os_thread.h"
42#include "pipebuffer/pb_buffer.h"
43
44#define VMW_MAX_PRESENTS 3
45
46
47
48struct 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   pipe_mutex mutex;
61   struct svga_winsys_buffer *buf; /* Current backing guest buffer */
62   uint32_t mapcount; /* Number of mappers */
63   uint32_t map_mode; /* PIPE_TRANSFER_[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
71static inline struct svga_winsys_surface *
72svga_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
79static inline struct vmw_svga_winsys_surface *
80vmw_svga_winsys_surface(struct svga_winsys_surface *surf)
81{
82   return (struct vmw_svga_winsys_surface *)surf;
83}
84
85
86void
87vmw_svga_winsys_surface_reference(struct vmw_svga_winsys_surface **pdst,
88                                  struct vmw_svga_winsys_surface *src);
89void *
90vmw_svga_winsys_surface_map(struct svga_winsys_context *swc,
91			    struct svga_winsys_surface *srf,
92			    unsigned flags, boolean *retry);
93void
94vmw_svga_winsys_surface_unmap(struct svga_winsys_context *swc,
95                              struct svga_winsys_surface *srf,
96                              boolean *rebind);
97
98#endif /* VMW_SURFACE_H_ */
99