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#ifndef VMW_BUFFER_H_
28#define VMW_BUFFER_H_
29
30#include <assert.h>
31#include "pipe/p_compiler.h"
32#include "pipebuffer/pb_bufmgr.h"
33#include "util/u_debug_flush.h"
34
35
36/* These extra flags are used wherever the pb_usage_flags enum type is used */
37#define VMW_BUFFER_USAGE_SHARED    (1 << 14)
38#define VMW_BUFFER_USAGE_SYNC      (1 << 15)
39
40struct SVGAGuestPtr;
41struct pb_buffer;
42struct pb_manager;
43struct svga_winsys_buffer;
44struct svga_winsys_surface;
45struct vmw_winsys_screen;
46
47struct vmw_buffer_desc {
48   struct pb_desc pb_desc;
49   struct vmw_region *region;
50};
51
52
53#ifdef DEBUG
54
55struct pb_buffer *
56vmw_pb_buffer(struct svga_winsys_buffer *buffer);
57struct svga_winsys_buffer *
58vmw_svga_winsys_buffer_wrap(struct pb_buffer *buffer);
59struct debug_flush_buf *
60vmw_debug_flush_buf(struct svga_winsys_buffer *buffer);
61
62#else
63static inline struct pb_buffer *
64vmw_pb_buffer(struct svga_winsys_buffer *buffer)
65{
66   assert(buffer);
67   return (struct pb_buffer *)buffer;
68}
69
70
71static inline struct svga_winsys_buffer *
72vmw_svga_winsys_buffer_wrap(struct pb_buffer *buffer)
73{
74   return (struct svga_winsys_buffer *)buffer;
75}
76#endif
77
78void
79vmw_svga_winsys_buffer_destroy(struct svga_winsys_screen *sws,
80                               struct svga_winsys_buffer *buf);
81void *
82vmw_svga_winsys_buffer_map(struct svga_winsys_screen *sws,
83                           struct svga_winsys_buffer *buf,
84                           unsigned flags);
85
86void
87vmw_svga_winsys_buffer_unmap(struct svga_winsys_screen *sws,
88                             struct svga_winsys_buffer *buf);
89
90struct pb_manager *
91vmw_gmr_bufmgr_create(struct vmw_winsys_screen *vws);
92
93boolean
94vmw_gmr_bufmgr_region_ptr(struct pb_buffer *buf,
95                          struct SVGAGuestPtr *ptr);
96
97
98#endif /* VMW_BUFFER_H_ */
99