pb_validate.h revision 7ffbfaccfb1484a4ffd5aea0e0e1fbb407977a56 
1/**************************************************************************
2 *
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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 TUNGSTEN GRAPHICS 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 <jrfonseca@tungstengraphics.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_error.h"
41
42#ifdef __cplusplus
43extern "C" {
44#endif
45
46
47struct pb_buffer;
48struct pipe_fence_handle;
49
50
51/**
52 * Buffer validation list.
53 *
54 * It holds a list of buffers to be validated and fenced when flushing.
55 */
56struct pb_validate;
57
58
59enum pipe_error
60pb_validate_add_buffer(struct pb_validate *vl,
61                       struct pb_buffer *buf);
62
63/**
64 * Validate all buffers for hardware access.
65 *
66 * Should be called right before issuing commands to the hardware.
67 */
68enum pipe_error
69pb_validate_validate(struct pb_validate *vl);
70
71/**
72 * Fence all buffers and clear the list.
73 *
74 * Should be called right before issuing commands to the hardware.
75 */
76void
77pb_validate_fence(struct pb_validate *vl,
78                  struct pipe_fence_handle *fence);
79
80struct pb_validate *
81pb_validate_create(void);
82
83void
84pb_validate_destroy(struct pb_validate *vl);
85
86
87#ifdef __cplusplus
88}
89#endif
90
91#endif /*PB_VALIDATE_H_*/
92