1/**************************************************************************
2 *
3 * Copyright 2008 VMware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28/**
29 * @file
30 * Buffer validation.
31 *
32 * @author Jose Fonseca <jfonseca@vmware.com>
33 */
34
35#ifndef PB_VALIDATE_H_
36#define PB_VALIDATE_H_
37
38
39#include "pipe/p_compiler.h"
40#include "pipe/p_defines.h"
41
42#ifdef __cplusplus
43extern "C" {
44#endif
45
46
47struct pb_buffer;
48struct pipe_fence_handle;
49struct hash_table;
50
51
52/**
53 * Buffer validation list.
54 *
55 * It holds a list of buffers to be validated and fenced when flushing.
56 */
57struct pb_validate;
58
59
60enum pipe_error
61pb_validate_add_buffer(struct pb_validate *vl,
62                       struct pb_buffer *buf,
63                       enum pb_usage_flags flags,
64                       struct hash_table *ht,
65                       boolean *already_present);
66
67enum pipe_error
68pb_validate_foreach(struct pb_validate *vl,
69                    enum pipe_error (*callback)(struct pb_buffer *buf, void *data),
70                    void *data);
71
72/**
73 * Validate all buffers for hardware access.
74 *
75 * Should be called right before issuing commands to the hardware.
76 */
77enum pipe_error
78pb_validate_validate(struct pb_validate *vl);
79
80/**
81 * Fence all buffers and clear the list.
82 *
83 * Should be called right after issuing commands to the hardware.
84 */
85void
86pb_validate_fence(struct pb_validate *vl,
87                  struct pipe_fence_handle *fence);
88
89struct pb_validate *
90pb_validate_create(void);
91
92void
93pb_validate_destroy(struct pb_validate *vl);
94
95
96#ifdef __cplusplus
97}
98#endif
99
100#endif /*PB_VALIDATE_H_*/
101