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