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1 /**************************************************************************
2  *
3  * Copyright 2007 VMware, Inc.
4  * All Rights Reserved.
5  *
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:
13  *
14  * The above copyright notice and this permission notice (including the
15  * next paragraph) shall be included in all copies or substantial portions
16  * of the Software.
17  *
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 VMWARE 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.
25  *
26  **************************************************************************/
27 
28 /* Author:
29  *    Keith Whitwell <keithw@vmware.com>
30  */
31 
32 #include "draw/draw_context.h"
33 #include "os/os_time.h"
34 #include "pipe/p_defines.h"
35 #include "util/u_memory.h"
36 #include "sp_context.h"
37 #include "sp_query.h"
38 #include "sp_state.h"
39 
40 struct softpipe_query {
41    unsigned type;
42    uint64_t start;
43    uint64_t end;
44    struct pipe_query_data_so_statistics so;
45    struct pipe_query_data_pipeline_statistics stats;
46 };
47 
48 
softpipe_query(struct pipe_query * p)49 static struct softpipe_query *softpipe_query( struct pipe_query *p )
50 {
51    return (struct softpipe_query *)p;
52 }
53 
54 static struct pipe_query *
softpipe_create_query(struct pipe_context * pipe,unsigned type,unsigned index)55 softpipe_create_query(struct pipe_context *pipe,
56 		      unsigned type,
57 		      unsigned index)
58 {
59    struct softpipe_query* sq;
60 
61    assert(type == PIPE_QUERY_OCCLUSION_COUNTER ||
62           type == PIPE_QUERY_OCCLUSION_PREDICATE ||
63           type == PIPE_QUERY_TIME_ELAPSED ||
64           type == PIPE_QUERY_SO_STATISTICS ||
65           type == PIPE_QUERY_SO_OVERFLOW_PREDICATE ||
66           type == PIPE_QUERY_PRIMITIVES_EMITTED ||
67           type == PIPE_QUERY_PRIMITIVES_GENERATED ||
68           type == PIPE_QUERY_PIPELINE_STATISTICS ||
69           type == PIPE_QUERY_GPU_FINISHED ||
70           type == PIPE_QUERY_TIMESTAMP ||
71           type == PIPE_QUERY_TIMESTAMP_DISJOINT);
72    sq = CALLOC_STRUCT( softpipe_query );
73    sq->type = type;
74 
75    return (struct pipe_query *)sq;
76 }
77 
78 
79 static void
softpipe_destroy_query(struct pipe_context * pipe,struct pipe_query * q)80 softpipe_destroy_query(struct pipe_context *pipe, struct pipe_query *q)
81 {
82    FREE(q);
83 }
84 
85 
86 static boolean
softpipe_begin_query(struct pipe_context * pipe,struct pipe_query * q)87 softpipe_begin_query(struct pipe_context *pipe, struct pipe_query *q)
88 {
89    struct softpipe_context *softpipe = softpipe_context( pipe );
90    struct softpipe_query *sq = softpipe_query(q);
91 
92    switch (sq->type) {
93    case PIPE_QUERY_OCCLUSION_COUNTER:
94    case PIPE_QUERY_OCCLUSION_PREDICATE:
95       sq->start = softpipe->occlusion_count;
96       break;
97    case PIPE_QUERY_TIME_ELAPSED:
98       sq->start = os_time_get_nano();
99       break;
100    case PIPE_QUERY_SO_STATISTICS:
101       sq->so.num_primitives_written = softpipe->so_stats.num_primitives_written;
102       sq->so.primitives_storage_needed = softpipe->so_stats.primitives_storage_needed;
103       break;
104    case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
105       sq->end = FALSE;
106       break;
107    case PIPE_QUERY_PRIMITIVES_EMITTED:
108       sq->so.num_primitives_written = softpipe->so_stats.num_primitives_written;
109       break;
110    case PIPE_QUERY_PRIMITIVES_GENERATED:
111       sq->so.primitives_storage_needed = softpipe->so_stats.primitives_storage_needed;
112       break;
113    case PIPE_QUERY_TIMESTAMP:
114    case PIPE_QUERY_GPU_FINISHED:
115    case PIPE_QUERY_TIMESTAMP_DISJOINT:
116       break;
117    case PIPE_QUERY_PIPELINE_STATISTICS:
118       /* reset our cache */
119       if (softpipe->active_statistics_queries == 0) {
120          memset(&softpipe->pipeline_statistics, 0,
121                 sizeof(softpipe->pipeline_statistics));
122       }
123       memcpy(&sq->stats, &softpipe->pipeline_statistics,
124              sizeof(sq->stats));
125       softpipe->active_statistics_queries++;
126       break;
127    default:
128       assert(0);
129       break;
130    }
131    softpipe->active_query_count++;
132    softpipe->dirty |= SP_NEW_QUERY;
133    return true;
134 }
135 
136 
137 static bool
softpipe_end_query(struct pipe_context * pipe,struct pipe_query * q)138 softpipe_end_query(struct pipe_context *pipe, struct pipe_query *q)
139 {
140    struct softpipe_context *softpipe = softpipe_context( pipe );
141    struct softpipe_query *sq = softpipe_query(q);
142 
143    softpipe->active_query_count--;
144    switch (sq->type) {
145    case PIPE_QUERY_OCCLUSION_COUNTER:
146    case PIPE_QUERY_OCCLUSION_PREDICATE:
147       sq->end = softpipe->occlusion_count;
148       break;
149    case PIPE_QUERY_TIMESTAMP:
150       sq->start = 0;
151       /* fall through */
152    case PIPE_QUERY_TIME_ELAPSED:
153       sq->end = os_time_get_nano();
154       break;
155    case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
156       sq->so.num_primitives_written =
157          softpipe->so_stats.num_primitives_written - sq->so.num_primitives_written;
158       sq->so.primitives_storage_needed =
159          softpipe->so_stats.primitives_storage_needed - sq->so.primitives_storage_needed;
160       sq->end = sq->so.primitives_storage_needed > sq->so.num_primitives_written;
161       break;
162    case PIPE_QUERY_SO_STATISTICS:
163       sq->so.num_primitives_written =
164          softpipe->so_stats.num_primitives_written - sq->so.num_primitives_written;
165       sq->so.primitives_storage_needed =
166          softpipe->so_stats.primitives_storage_needed - sq->so.primitives_storage_needed;
167       break;
168    case PIPE_QUERY_PRIMITIVES_EMITTED:
169       sq->so.num_primitives_written =
170          softpipe->so_stats.num_primitives_written - sq->so.num_primitives_written;
171       break;
172    case PIPE_QUERY_PRIMITIVES_GENERATED:
173       sq->so.primitives_storage_needed =
174          softpipe->so_stats.primitives_storage_needed - sq->so.primitives_storage_needed;
175       break;
176    case PIPE_QUERY_GPU_FINISHED:
177    case PIPE_QUERY_TIMESTAMP_DISJOINT:
178       break;
179    case PIPE_QUERY_PIPELINE_STATISTICS:
180       sq->stats.ia_vertices =
181          softpipe->pipeline_statistics.ia_vertices - sq->stats.ia_vertices;
182       sq->stats.ia_primitives =
183          softpipe->pipeline_statistics.ia_primitives - sq->stats.ia_primitives;
184       sq->stats.vs_invocations =
185          softpipe->pipeline_statistics.vs_invocations - sq->stats.vs_invocations;
186       sq->stats.gs_invocations =
187          softpipe->pipeline_statistics.gs_invocations - sq->stats.gs_invocations;
188       sq->stats.gs_primitives =
189          softpipe->pipeline_statistics.gs_primitives - sq->stats.gs_primitives;
190       sq->stats.c_invocations =
191          softpipe->pipeline_statistics.c_invocations - sq->stats.c_invocations;
192       sq->stats.c_primitives =
193          softpipe->pipeline_statistics.c_primitives - sq->stats.c_primitives;
194       sq->stats.ps_invocations =
195          softpipe->pipeline_statistics.ps_invocations - sq->stats.ps_invocations;
196 
197       softpipe->active_statistics_queries--;
198       break;
199    default:
200       assert(0);
201       break;
202    }
203    softpipe->dirty |= SP_NEW_QUERY;
204    return true;
205 }
206 
207 
208 static boolean
softpipe_get_query_result(struct pipe_context * pipe,struct pipe_query * q,boolean wait,union pipe_query_result * vresult)209 softpipe_get_query_result(struct pipe_context *pipe,
210                           struct pipe_query *q,
211                           boolean wait,
212                           union pipe_query_result *vresult)
213 {
214    struct softpipe_query *sq = softpipe_query(q);
215    uint64_t *result = (uint64_t*)vresult;
216 
217    switch (sq->type) {
218    case PIPE_QUERY_SO_STATISTICS: {
219       struct pipe_query_data_so_statistics *stats =
220          (struct pipe_query_data_so_statistics *)vresult;
221       stats->num_primitives_written = sq->so.num_primitives_written;
222       stats->primitives_storage_needed = sq->so.primitives_storage_needed;
223    }
224       break;
225    case PIPE_QUERY_PIPELINE_STATISTICS:
226       memcpy(vresult, &sq->stats,
227              sizeof(struct pipe_query_data_pipeline_statistics));
228       break;
229    case PIPE_QUERY_GPU_FINISHED:
230       vresult->b = TRUE;
231       break;
232    case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
233       vresult->b = sq->end != 0;
234       break;
235    case PIPE_QUERY_TIMESTAMP_DISJOINT: {
236       struct pipe_query_data_timestamp_disjoint *td =
237           (struct pipe_query_data_timestamp_disjoint *)vresult;
238       /* os_get_time_nano return nanoseconds */
239       td->frequency = UINT64_C(1000000000);
240       td->disjoint = FALSE;
241    }
242       break;
243    case PIPE_QUERY_PRIMITIVES_EMITTED:
244       *result = sq->so.num_primitives_written;
245       break;
246    case PIPE_QUERY_PRIMITIVES_GENERATED:
247       *result = sq->so.primitives_storage_needed;
248       break;
249    case PIPE_QUERY_OCCLUSION_PREDICATE:
250       vresult->b = sq->end - sq->start != 0;
251       break;
252    default:
253       *result = sq->end - sq->start;
254       break;
255    }
256    return TRUE;
257 }
258 
259 
260 /**
261  * Called by rendering function to check rendering is conditional.
262  * \return TRUE if we should render, FALSE if we should skip rendering
263  */
264 boolean
softpipe_check_render_cond(struct softpipe_context * sp)265 softpipe_check_render_cond(struct softpipe_context *sp)
266 {
267    struct pipe_context *pipe = &sp->pipe;
268    boolean b, wait;
269    uint64_t result;
270 
271    if (!sp->render_cond_query) {
272       return TRUE;  /* no query predicate, draw normally */
273    }
274 
275    wait = (sp->render_cond_mode == PIPE_RENDER_COND_WAIT ||
276            sp->render_cond_mode == PIPE_RENDER_COND_BY_REGION_WAIT);
277 
278    b = pipe->get_query_result(pipe, sp->render_cond_query, wait,
279                               (void*)&result);
280    if (b)
281       return (!result) == sp->render_cond_cond;
282    else
283       return TRUE;
284 }
285 
286 
287 static void
softpipe_set_active_query_state(struct pipe_context * pipe,boolean enable)288 softpipe_set_active_query_state(struct pipe_context *pipe, boolean enable)
289 {
290 }
291 
292 
softpipe_init_query_funcs(struct softpipe_context * softpipe)293 void softpipe_init_query_funcs(struct softpipe_context *softpipe )
294 {
295    softpipe->pipe.create_query = softpipe_create_query;
296    softpipe->pipe.destroy_query = softpipe_destroy_query;
297    softpipe->pipe.begin_query = softpipe_begin_query;
298    softpipe->pipe.end_query = softpipe_end_query;
299    softpipe->pipe.get_query_result = softpipe_get_query_result;
300    softpipe->pipe.set_active_query_state = softpipe_set_active_query_state;
301 }
302 
303 
304