1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * Copyright 2010 VMware, Inc.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 **************************************************************************/
30 * Keith Whitwell, Qicheng Christopher Li, Brian Paul
33 #include "draw/draw_context.h"
34 #include "pipe/p_defines.h"
35 #include "util/u_memory.h"
36 #include "lp_context.h"
40 #include "lp_rast_priv.h"
44 static struct llvmpipe_query *llvmpipe_query( struct pipe_query *p )
46 return (struct llvmpipe_query *)p;
49 static struct pipe_query *
50 llvmpipe_create_query(struct pipe_context *pipe,
53 struct llvmpipe_query *pq;
55 assert(type == PIPE_QUERY_OCCLUSION_COUNTER);
57 pq = CALLOC_STRUCT( llvmpipe_query );
59 pipe_mutex_init(pq->mutex);
62 return (struct pipe_query *) pq;
67 llvmpipe_destroy_query(struct pipe_context *pipe, struct pipe_query *q)
69 struct llvmpipe_query *pq = llvmpipe_query(q);
70 pipe_mutex_destroy(pq->mutex);
76 llvmpipe_get_query_result(struct pipe_context *pipe,
81 struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
82 struct llvmpipe_query *pq = llvmpipe_query(q);
83 uint64_t *result = (uint64_t *)vresult;
86 lp_setup_flush(llvmpipe->setup, 0);
98 llvmpipe_begin_query(struct pipe_context *pipe, struct pipe_query *q)
100 struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
101 struct llvmpipe_query *pq = llvmpipe_query(q);
103 /* Check if the query is already in the scene. If so, we need to
104 * flush the scene now. Real apps shouldn't re-use a query in a
105 * frame of rendering.
108 struct pipe_fence_handle *fence;
109 llvmpipe_flush(pipe, 0, &fence);
111 pipe->screen->fence_finish(pipe->screen, fence, 0);
112 pipe->screen->fence_reference(pipe->screen, &fence, NULL);
116 lp_setup_begin_query(llvmpipe->setup, pq);
118 llvmpipe->active_query_count++;
119 llvmpipe->dirty |= LP_NEW_QUERY;
124 llvmpipe_end_query(struct pipe_context *pipe, struct pipe_query *q)
126 struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
127 struct llvmpipe_query *pq = llvmpipe_query(q);
129 lp_setup_end_query(llvmpipe->setup, pq);
131 assert(llvmpipe->active_query_count);
132 llvmpipe->active_query_count--;
133 llvmpipe->dirty |= LP_NEW_QUERY;
137 void llvmpipe_init_query_funcs(struct llvmpipe_context *llvmpipe )
139 llvmpipe->pipe.create_query = llvmpipe_create_query;
140 llvmpipe->pipe.destroy_query = llvmpipe_destroy_query;
141 llvmpipe->pipe.begin_query = llvmpipe_begin_query;
142 llvmpipe->pipe.end_query = llvmpipe_end_query;
143 llvmpipe->pipe.get_query_result = llvmpipe_get_query_result;