1/**************************************************************************
2 *
3 * Copyright 2005 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#ifndef ST_CB_BUFFEROBJECTS_H
29#define ST_CB_BUFFEROBJECTS_H
30
31#include "main/compiler.h"
32#include "main/mtypes.h"
33
34struct dd_function_table;
35struct pipe_resource;
36struct st_context;
37
38/**
39 * State_tracker vertex/pixel buffer object, derived from Mesa's
40 * gl_buffer_object.
41 */
42struct st_buffer_object
43{
44   struct gl_buffer_object Base;
45   struct pipe_resource *buffer;     /* GPU storage */
46   struct pipe_transfer *transfer; /* In-progress map information */
47};
48
49
50/** cast wrapper */
51static INLINE struct st_buffer_object *
52st_buffer_object(struct gl_buffer_object *obj)
53{
54   return (struct st_buffer_object *) obj;
55}
56
57
58extern void
59st_bufferobj_validate_usage(struct st_context *st,
60			    struct st_buffer_object *obj,
61			    unsigned usage);
62
63
64extern void
65st_init_bufferobject_functions(struct dd_function_table *functions);
66
67
68#endif
69