1 /**************************************************************************
2 *
3 * Copyright 2007 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
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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_QUERYOBJ_H
29 #define ST_CB_QUERYOBJ_H
30
31
32 #include "main/mtypes.h"
33
34 /**
35 * Subclass of gl_query_object
36 */
37 struct st_query_object
38 {
39 struct gl_query_object base;
40 struct pipe_query *pq;
41
42 /* Begin TIMESTAMP query for GL_TIME_ELAPSED_EXT queries */
43 struct pipe_query *pq_begin;
44
45 unsigned type; /**< PIPE_QUERY_x */
46 };
47
48
49 /**
50 * Cast wrapper
51 */
52 static inline struct st_query_object *
st_query_object(struct gl_query_object * q)53 st_query_object(struct gl_query_object *q)
54 {
55 return (struct st_query_object *) q;
56 }
57
58
59 extern void
60 st_init_query_functions(struct dd_function_table *functions);
61
62
63 #endif
64