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"
39 #include "pipe/p_context.h"
40 #include "pipe/p_defines.h"
41 #include "st_context.h"
42 #include "st_cb_queryobj.h"
47 static struct gl_query_object
*
48 st_NewQueryObject(struct gl_context
*ctx
, GLuint id
)
50 struct st_query_object
*stq
= ST_CALLOC_STRUCT(st_query_object
);
53 stq
->base
.Ready
= GL_TRUE
;
55 stq
->type
= PIPE_QUERY_TYPES
; /* an invalid value */
64 st_DeleteQuery(struct gl_context
*ctx
, struct gl_query_object
*q
)
66 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
67 struct st_query_object
*stq
= st_query_object(q
);
70 pipe
->destroy_query(pipe
, stq
->pq
);
79 st_BeginQuery(struct gl_context
*ctx
, struct gl_query_object
*q
)
81 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
82 struct st_query_object
*stq
= st_query_object(q
);
85 /* convert GL query type to Gallium query type */
87 case GL_SAMPLES_PASSED_ARB
:
88 type
= PIPE_QUERY_OCCLUSION_COUNTER
;
90 case GL_PRIMITIVES_GENERATED
:
91 type
= PIPE_QUERY_PRIMITIVES_GENERATED
;
93 case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN
:
94 type
= PIPE_QUERY_PRIMITIVES_EMITTED
;
96 case GL_TIME_ELAPSED_EXT
:
97 type
= PIPE_QUERY_TIME_ELAPSED
;
100 assert(0 && "unexpected query target in st_BeginQuery()");
104 if (stq
->pq
&& stq
->type
!= type
) {
105 /* free old query of different type */
106 pipe
->destroy_query(pipe
, stq
->pq
);
108 stq
->type
= PIPE_QUERY_TYPES
; /* an invalid value */
112 stq
->pq
= pipe
->create_query(pipe
, type
);
116 assert(stq
->type
== type
);
118 pipe
->begin_query(pipe
, stq
->pq
);
123 st_EndQuery(struct gl_context
*ctx
, struct gl_query_object
*q
)
125 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
126 struct st_query_object
*stq
= st_query_object(q
);
128 pipe
->end_query(pipe
, stq
->pq
);
133 st_WaitQuery(struct gl_context
*ctx
, struct gl_query_object
*q
)
135 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
136 struct st_query_object
*stq
= st_query_object(q
);
138 /* this function should only be called if we don't have a ready result */
139 assert(!stq
->base
.Ready
);
141 while (!stq
->base
.Ready
&&
142 !pipe
->get_query_result(pipe
,
155 st_CheckQuery(struct gl_context
*ctx
, struct gl_query_object
*q
)
157 struct pipe_context
*pipe
= st_context(ctx
)->pipe
;
158 struct st_query_object
*stq
= st_query_object(q
);
159 assert(!q
->Ready
); /* we should not get called if Ready is TRUE */
160 q
->Ready
= pipe
->get_query_result(pipe
, stq
->pq
, FALSE
, &q
->Result
);
166 void st_init_query_functions(struct dd_function_table
*functions
)
168 functions
->NewQueryObject
= st_NewQueryObject
;
169 functions
->DeleteQuery
= st_DeleteQuery
;
170 functions
->BeginQuery
= st_BeginQuery
;
171 functions
->EndQuery
= st_EndQuery
;
172 functions
->WaitQuery
= st_WaitQuery
;
173 functions
->CheckQuery
= st_CheckQuery
;
176 #endif /* FEATURE_queryobj */