1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
30 * glBegin/EndQuery interface to pipe
36 #include "main/imports.h"
37 #include "main/context.h"
38 #include "main/image.h"
40 #include "pipe/p_context.h"
41 #include "pipe/p_defines.h"
42 #include "st_context.h"
43 #include "st_cb_queryobj.h"
46 static struct gl_query_object
*
47 st_NewQueryObject(GLcontext
*ctx
, GLuint id
)
49 struct st_query_object
*stq
= ST_CALLOC_STRUCT(st_query_object
);
52 stq
->base
.Ready
= GL_TRUE
;
62 st_DeleteQuery(GLcontext
*ctx
, struct gl_query_object
*q
)
64 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
65 struct st_query_object
*stq
= st_query_object(q
);
68 pipe
->destroy_query(pipe
, stq
->pq
);
77 st_BeginQuery(GLcontext
*ctx
, struct gl_query_object
*q
)
79 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
80 struct st_query_object
*stq
= st_query_object(q
);
83 case GL_SAMPLES_PASSED_ARB
:
85 stq
->pq
= pipe
->create_query( pipe
, PIPE_QUERY_OCCLUSION_COUNTER
);
92 pipe
->begin_query(pipe
, stq
->pq
);
97 st_EndQuery(GLcontext
*ctx
, struct gl_query_object
*q
)
99 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
100 struct st_query_object
*stq
= st_query_object(q
);
102 pipe
->end_query(pipe
, stq
->pq
);
107 st_WaitQuery(GLcontext
*ctx
, struct gl_query_object
*q
)
109 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
110 struct st_query_object
*stq
= st_query_object(q
);
112 /* this function should only be called if we don't have a ready result */
113 assert(!stq
->base
.Ready
);
115 while (!stq
->base
.Ready
&&
116 !pipe
->get_query_result(pipe
,
129 st_CheckQuery(GLcontext
*ctx
, struct gl_query_object
*q
)
131 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
132 struct st_query_object
*stq
= st_query_object(q
);
133 assert(!q
->Ready
); /* we should not get called if Ready is TRUE */
134 q
->Ready
= pipe
->get_query_result(pipe
, stq
->pq
, FALSE
, &q
->Result
);
140 void st_init_query_functions(struct dd_function_table
*functions
)
142 functions
->NewQueryObject
= st_NewQueryObject
;
143 functions
->DeleteQuery
= st_DeleteQuery
;
144 functions
->BeginQuery
= st_BeginQuery
;
145 functions
->EndQuery
= st_EndQuery
;
146 functions
->WaitQuery
= st_WaitQuery
;
147 functions
->CheckQuery
= st_CheckQuery
;