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/mfeatures.h"
40 #include "pipe/p_context.h"
41 #include "pipe/p_defines.h"
42 #include "st_context.h"
43 #include "st_cb_queryobj.h"
44 #include "st_cb_bitmap.h"
49 static struct gl_query_object *
50 st_NewQueryObject(struct gl_context *ctx, GLuint id)
52 struct st_query_object *stq = ST_CALLOC_STRUCT(st_query_object);
55 stq->base.Ready = GL_TRUE;
57 stq->type = PIPE_QUERY_TYPES; /* an invalid value */
66 st_DeleteQuery(struct gl_context *ctx, struct gl_query_object *q)
68 struct pipe_context *pipe = st_context(ctx)->pipe;
69 struct st_query_object *stq = st_query_object(q);
72 pipe->destroy_query(pipe, stq->pq);
81 st_BeginQuery(struct gl_context *ctx, struct gl_query_object *q)
83 struct pipe_context *pipe = st_context(ctx)->pipe;
84 struct st_query_object *stq = st_query_object(q);
87 st_flush_bitmap_cache(st_context(ctx));
89 /* convert GL query type to Gallium query type */
91 case GL_ANY_SAMPLES_PASSED:
93 case GL_SAMPLES_PASSED_ARB:
94 type = PIPE_QUERY_OCCLUSION_COUNTER;
96 case GL_PRIMITIVES_GENERATED:
97 type = PIPE_QUERY_PRIMITIVES_GENERATED;
99 case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
100 type = PIPE_QUERY_PRIMITIVES_EMITTED;
102 case GL_TIME_ELAPSED_EXT:
103 type = PIPE_QUERY_TIME_ELAPSED;
106 assert(0 && "unexpected query target in st_BeginQuery()");
110 if (stq->pq && stq->type != type) {
111 /* free old query of different type */
112 pipe->destroy_query(pipe, stq->pq);
114 stq->type = PIPE_QUERY_TYPES; /* an invalid value */
118 stq->pq = pipe->create_query(pipe, type);
122 assert(stq->type == type);
124 pipe->begin_query(pipe, stq->pq);
129 st_EndQuery(struct gl_context *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);
134 st_flush_bitmap_cache(st_context(ctx));
136 pipe->end_query(pipe, stq->pq);
141 st_WaitQuery(struct gl_context *ctx, struct gl_query_object *q)
143 struct pipe_context *pipe = st_context(ctx)->pipe;
144 struct st_query_object *stq = st_query_object(q);
146 /* this function should only be called if we don't have a ready result */
147 assert(!stq->base.Ready);
149 while (!stq->base.Ready &&
150 !pipe->get_query_result(pipe,
163 st_CheckQuery(struct gl_context *ctx, struct gl_query_object *q)
165 struct pipe_context *pipe = st_context(ctx)->pipe;
166 struct st_query_object *stq = st_query_object(q);
167 assert(!q->Ready); /* we should not get called if Ready is TRUE */
168 q->Ready = pipe->get_query_result(pipe, stq->pq, FALSE, &q->Result);
174 void st_init_query_functions(struct dd_function_table *functions)
176 functions->NewQueryObject = st_NewQueryObject;
177 functions->DeleteQuery = st_DeleteQuery;
178 functions->BeginQuery = st_BeginQuery;
179 functions->EndQuery = st_EndQuery;
180 functions->WaitQuery = st_WaitQuery;
181 functions->CheckQuery = st_CheckQuery;
184 #endif /* FEATURE_queryobj */