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 "os/os_time.h"
37 #include "lp_context.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_TYPES
);
57 pq
= CALLOC_STRUCT( llvmpipe_query
);
63 return (struct pipe_query
*) pq
;
68 llvmpipe_destroy_query(struct pipe_context
*pipe
, struct pipe_query
*q
)
70 struct llvmpipe_query
*pq
= llvmpipe_query(q
);
72 /* Ideally we would refcount queries & not get destroyed until the
73 * last scene had finished with us.
76 if (!lp_fence_issued(pq
->fence
))
77 llvmpipe_flush(pipe
, NULL
, __FUNCTION__
);
79 if (!lp_fence_signalled(pq
->fence
))
80 lp_fence_wait(pq
->fence
);
82 lp_fence_reference(&pq
->fence
, NULL
);
90 llvmpipe_get_query_result(struct pipe_context
*pipe
,
93 union pipe_query_result
*vresult
)
95 struct llvmpipe_query
*pq
= llvmpipe_query(q
);
96 uint64_t *result
= (uint64_t *)vresult
;
100 /* no fence because there was no scene, so results is zero */
105 if (!lp_fence_signalled(pq
->fence
)) {
106 if (!lp_fence_issued(pq
->fence
))
107 llvmpipe_flush(pipe
, NULL
, __FUNCTION__
);
112 lp_fence_wait(pq
->fence
);
115 /* Sum the results from each of the threads:
120 case PIPE_QUERY_OCCLUSION_COUNTER
:
121 for (i
= 0; i
< LP_MAX_THREADS
; i
++) {
122 *result
+= pq
->count
[i
];
125 case PIPE_QUERY_TIME_ELAPSED
:
126 for (i
= 0; i
< LP_MAX_THREADS
; i
++) {
127 if (pq
->count
[i
] > *result
) {
128 *result
= pq
->count
[i
];
132 case PIPE_QUERY_TIMESTAMP
:
133 for (i
= 0; i
< LP_MAX_THREADS
; i
++) {
134 if (pq
->count
[i
] > *result
) {
135 *result
= pq
->count
[i
];
138 *result
= os_time_get_nano();
151 llvmpipe_begin_query(struct pipe_context
*pipe
, struct pipe_query
*q
)
153 struct llvmpipe_context
*llvmpipe
= llvmpipe_context( pipe
);
154 struct llvmpipe_query
*pq
= llvmpipe_query(q
);
156 /* Check if the query is already in the scene. If so, we need to
157 * flush the scene now. Real apps shouldn't re-use a query in a
158 * frame of rendering.
160 if (pq
->fence
&& !lp_fence_issued(pq
->fence
)) {
161 llvmpipe_finish(pipe
, __FUNCTION__
);
165 memset(pq
->count
, 0, sizeof(pq
->count
));
166 lp_setup_begin_query(llvmpipe
->setup
, pq
);
168 if (pq
->type
== PIPE_QUERY_OCCLUSION_COUNTER
) {
169 llvmpipe
->active_occlusion_query
= TRUE
;
170 llvmpipe
->dirty
|= LP_NEW_OCCLUSION_QUERY
;
176 llvmpipe_end_query(struct pipe_context
*pipe
, struct pipe_query
*q
)
178 struct llvmpipe_context
*llvmpipe
= llvmpipe_context( pipe
);
179 struct llvmpipe_query
*pq
= llvmpipe_query(q
);
181 lp_setup_end_query(llvmpipe
->setup
, pq
);
183 if (pq
->type
== PIPE_QUERY_OCCLUSION_COUNTER
) {
184 assert(llvmpipe
->active_occlusion_query
);
185 llvmpipe
->active_occlusion_query
= FALSE
;
186 llvmpipe
->dirty
|= LP_NEW_OCCLUSION_QUERY
;
191 llvmpipe_check_render_cond(struct llvmpipe_context
*lp
)
193 struct pipe_context
*pipe
= &lp
->pipe
;
197 if (!lp
->render_cond_query
)
198 return TRUE
; /* no query predicate, draw normally */
199 wait
= (lp
->render_cond_mode
== PIPE_RENDER_COND_WAIT
||
200 lp
->render_cond_mode
== PIPE_RENDER_COND_BY_REGION_WAIT
);
202 b
= pipe
->get_query_result(pipe
, lp
->render_cond_query
, wait
, (void*)&result
);
209 void llvmpipe_init_query_funcs(struct llvmpipe_context
*llvmpipe
)
211 llvmpipe
->pipe
.create_query
= llvmpipe_create_query
;
212 llvmpipe
->pipe
.destroy_query
= llvmpipe_destroy_query
;
213 llvmpipe
->pipe
.begin_query
= llvmpipe_begin_query
;
214 llvmpipe
->pipe
.end_query
= llvmpipe_end_query
;
215 llvmpipe
->pipe
.get_query_result
= llvmpipe_get_query_result
;