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 "util/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    unsigned index;
43    uint64_t start;
44    uint64_t end;
45    struct pipe_query_data_so_statistics so;
46    struct pipe_query_data_pipeline_statistics stats;
47 };
48 
49 
softpipe_query(struct pipe_query * p)50 static struct softpipe_query *softpipe_query( struct pipe_query *p )
51 {
52    return (struct softpipe_query *)p;
53 }
54 
55 static struct pipe_query *
softpipe_create_query(struct pipe_context * pipe,unsigned type,unsigned index)56 softpipe_create_query(struct pipe_context *pipe,
57 		      unsigned type,
58 		      unsigned index)
59 {
60    struct softpipe_query* sq;
61 
62    assert(type == PIPE_QUERY_OCCLUSION_COUNTER ||
63           type == PIPE_QUERY_OCCLUSION_PREDICATE ||
64           type == PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE ||
65           type == PIPE_QUERY_TIME_ELAPSED ||
66           type == PIPE_QUERY_SO_STATISTICS ||
67           type == PIPE_QUERY_SO_OVERFLOW_PREDICATE ||
68           type == PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE ||
69           type == PIPE_QUERY_PRIMITIVES_EMITTED ||
70           type == PIPE_QUERY_PRIMITIVES_GENERATED ||
71           type == PIPE_QUERY_PIPELINE_STATISTICS ||
72           type == PIPE_QUERY_GPU_FINISHED ||
73           type == PIPE_QUERY_TIMESTAMP ||
74           type == PIPE_QUERY_TIMESTAMP_DISJOINT);
75    sq = CALLOC_STRUCT( softpipe_query );
76    sq->type = type;
77    sq->index = index;
78    return (struct pipe_query *)sq;
79 }
80 
81 
82 static void
softpipe_destroy_query(struct pipe_context * pipe,struct pipe_query * q)83 softpipe_destroy_query(struct pipe_context *pipe, struct pipe_query *q)
84 {
85    FREE(q);
86 }
87 
88 
89 static bool
softpipe_begin_query(struct pipe_context * pipe,struct pipe_query * q)90 softpipe_begin_query(struct pipe_context *pipe, struct pipe_query *q)
91 {
92    struct softpipe_context *softpipe = softpipe_context( pipe );
93    struct softpipe_query *sq = softpipe_query(q);
94 
95    switch (sq->type) {
96    case PIPE_QUERY_OCCLUSION_COUNTER:
97    case PIPE_QUERY_OCCLUSION_PREDICATE:
98    case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE:
99       sq->start = softpipe->occlusion_count;
100       break;
101    case PIPE_QUERY_TIME_ELAPSED:
102       sq->start = os_time_get_nano();
103       break;
104    case PIPE_QUERY_SO_STATISTICS:
105       sq->so.num_primitives_written = softpipe->so_stats[0].num_primitives_written;
106       sq->so.primitives_storage_needed = softpipe->so_stats[0].primitives_storage_needed;
107       break;
108    case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
109    case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE:
110       sq->so.num_primitives_written = softpipe->so_stats[sq->index].num_primitives_written;
111       sq->so.primitives_storage_needed = softpipe->so_stats[sq->index].primitives_storage_needed;
112       break;
113    case PIPE_QUERY_PRIMITIVES_EMITTED:
114       sq->so.num_primitives_written = softpipe->so_stats[sq->index].num_primitives_written;
115       break;
116    case PIPE_QUERY_PRIMITIVES_GENERATED:
117       sq->so.primitives_storage_needed = softpipe->so_stats[sq->index].primitives_storage_needed;
118       break;
119    case PIPE_QUERY_TIMESTAMP:
120    case PIPE_QUERY_GPU_FINISHED:
121    case PIPE_QUERY_TIMESTAMP_DISJOINT:
122       break;
123    case PIPE_QUERY_PIPELINE_STATISTICS:
124       /* reset our cache */
125       if (softpipe->active_statistics_queries == 0) {
126          memset(&softpipe->pipeline_statistics, 0,
127                 sizeof(softpipe->pipeline_statistics));
128       }
129       memcpy(&sq->stats, &softpipe->pipeline_statistics,
130              sizeof(sq->stats));
131       softpipe->active_statistics_queries++;
132       break;
133    default:
134       assert(0);
135       break;
136    }
137    softpipe->active_query_count++;
138    softpipe->dirty |= SP_NEW_QUERY;
139    return true;
140 }
141 
142 
143 static bool
softpipe_end_query(struct pipe_context * pipe,struct pipe_query * q)144 softpipe_end_query(struct pipe_context *pipe, struct pipe_query *q)
145 {
146    struct softpipe_context *softpipe = softpipe_context( pipe );
147    struct softpipe_query *sq = softpipe_query(q);
148 
149    softpipe->active_query_count--;
150    switch (sq->type) {
151    case PIPE_QUERY_OCCLUSION_COUNTER:
152    case PIPE_QUERY_OCCLUSION_PREDICATE:
153    case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE:
154       sq->end = softpipe->occlusion_count;
155       break;
156    case PIPE_QUERY_TIMESTAMP:
157       sq->start = 0;
158       /* fall through */
159    case PIPE_QUERY_TIME_ELAPSED:
160       sq->end = os_time_get_nano();
161       break;
162    case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
163    case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE:
164       sq->so.num_primitives_written =
165          softpipe->so_stats[0].num_primitives_written - sq->so.num_primitives_written;
166       sq->so.primitives_storage_needed =
167          softpipe->so_stats[0].primitives_storage_needed - sq->so.primitives_storage_needed;
168       sq->end = sq->so.primitives_storage_needed > sq->so.num_primitives_written;
169       break;
170    case PIPE_QUERY_SO_STATISTICS:
171       sq->so.num_primitives_written =
172          softpipe->so_stats[sq->index].num_primitives_written - sq->so.num_primitives_written;
173       sq->so.primitives_storage_needed =
174          softpipe->so_stats[sq->index].primitives_storage_needed - sq->so.primitives_storage_needed;
175       break;
176    case PIPE_QUERY_PRIMITIVES_EMITTED:
177       sq->so.num_primitives_written =
178          softpipe->so_stats[sq->index].num_primitives_written - sq->so.num_primitives_written;
179       break;
180    case PIPE_QUERY_PRIMITIVES_GENERATED:
181       sq->so.primitives_storage_needed =
182          softpipe->so_stats[sq->index].primitives_storage_needed - sq->so.primitives_storage_needed;
183       break;
184    case PIPE_QUERY_GPU_FINISHED:
185    case PIPE_QUERY_TIMESTAMP_DISJOINT:
186       break;
187    case PIPE_QUERY_PIPELINE_STATISTICS:
188       sq->stats.ia_vertices =
189          softpipe->pipeline_statistics.ia_vertices - sq->stats.ia_vertices;
190       sq->stats.ia_primitives =
191          softpipe->pipeline_statistics.ia_primitives - sq->stats.ia_primitives;
192       sq->stats.vs_invocations =
193          softpipe->pipeline_statistics.vs_invocations - sq->stats.vs_invocations;
194       sq->stats.gs_invocations =
195          softpipe->pipeline_statistics.gs_invocations - sq->stats.gs_invocations;
196       sq->stats.gs_primitives =
197          softpipe->pipeline_statistics.gs_primitives - sq->stats.gs_primitives;
198       sq->stats.c_invocations =
199          softpipe->pipeline_statistics.c_invocations - sq->stats.c_invocations;
200       sq->stats.c_primitives =
201          softpipe->pipeline_statistics.c_primitives - sq->stats.c_primitives;
202       sq->stats.ps_invocations =
203          softpipe->pipeline_statistics.ps_invocations - sq->stats.ps_invocations;
204       sq->stats.cs_invocations =
205          softpipe->pipeline_statistics.cs_invocations - sq->stats.cs_invocations;
206 
207       softpipe->active_statistics_queries--;
208       break;
209    default:
210       assert(0);
211       break;
212    }
213    softpipe->dirty |= SP_NEW_QUERY;
214    return true;
215 }
216 
217 
218 static bool
softpipe_get_query_result(struct pipe_context * pipe,struct pipe_query * q,bool wait,union pipe_query_result * vresult)219 softpipe_get_query_result(struct pipe_context *pipe,
220                           struct pipe_query *q,
221                           bool wait,
222                           union pipe_query_result *vresult)
223 {
224    struct softpipe_query *sq = softpipe_query(q);
225    uint64_t *result = (uint64_t*)vresult;
226 
227    switch (sq->type) {
228    case PIPE_QUERY_SO_STATISTICS: {
229       struct pipe_query_data_so_statistics *stats =
230          (struct pipe_query_data_so_statistics *)vresult;
231       stats->num_primitives_written = sq->so.num_primitives_written;
232       stats->primitives_storage_needed = sq->so.primitives_storage_needed;
233    }
234       break;
235    case PIPE_QUERY_PIPELINE_STATISTICS:
236       memcpy(vresult, &sq->stats,
237              sizeof(struct pipe_query_data_pipeline_statistics));
238       break;
239    case PIPE_QUERY_GPU_FINISHED:
240       vresult->b = true;
241       break;
242    case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
243    case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE:
244       vresult->b = sq->end != 0;
245       break;
246    case PIPE_QUERY_TIMESTAMP_DISJOINT: {
247       struct pipe_query_data_timestamp_disjoint *td =
248           (struct pipe_query_data_timestamp_disjoint *)vresult;
249       /* os_get_time_nano return nanoseconds */
250       td->frequency = UINT64_C(1000000000);
251       td->disjoint = false;
252    }
253       break;
254    case PIPE_QUERY_PRIMITIVES_EMITTED:
255       *result = sq->so.num_primitives_written;
256       break;
257    case PIPE_QUERY_PRIMITIVES_GENERATED:
258       *result = sq->so.primitives_storage_needed;
259       break;
260    case PIPE_QUERY_OCCLUSION_PREDICATE:
261    case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE:
262       vresult->b = sq->end - sq->start != 0;
263       break;
264    default:
265       *result = sq->end - sq->start;
266       break;
267    }
268    return true;
269 }
270 
271 
272 /**
273  * Called by rendering function to check rendering is conditional.
274  * \return TRUE if we should render, FALSE if we should skip rendering
275  */
276 boolean
softpipe_check_render_cond(struct softpipe_context * sp)277 softpipe_check_render_cond(struct softpipe_context *sp)
278 {
279    struct pipe_context *pipe = &sp->pipe;
280    boolean b, wait;
281    uint64_t result;
282 
283    if (!sp->render_cond_query) {
284       return TRUE;  /* no query predicate, draw normally */
285    }
286 
287    wait = (sp->render_cond_mode == PIPE_RENDER_COND_WAIT ||
288            sp->render_cond_mode == PIPE_RENDER_COND_BY_REGION_WAIT);
289 
290    b = pipe->get_query_result(pipe, sp->render_cond_query, wait,
291                               (void*)&result);
292    if (b)
293       return (!result) == sp->render_cond_cond;
294    else
295       return TRUE;
296 }
297 
298 
299 static void
softpipe_set_active_query_state(struct pipe_context * pipe,bool enable)300 softpipe_set_active_query_state(struct pipe_context *pipe, bool enable)
301 {
302 }
303 
304 
softpipe_init_query_funcs(struct softpipe_context * softpipe)305 void softpipe_init_query_funcs(struct softpipe_context *softpipe )
306 {
307    softpipe->pipe.create_query = softpipe_create_query;
308    softpipe->pipe.destroy_query = softpipe_destroy_query;
309    softpipe->pipe.begin_query = softpipe_begin_query;
310    softpipe->pipe.end_query = softpipe_end_query;
311    softpipe->pipe.get_query_result = softpipe_get_query_result;
312    softpipe->pipe.set_active_query_state = softpipe_set_active_query_state;
313 }
314 
315 
316