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
40struct 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
50static struct softpipe_query *softpipe_query( struct pipe_query *p )
51{
52   return (struct softpipe_query *)p;
53}
54
55static struct pipe_query *
56softpipe_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
82static void
83softpipe_destroy_query(struct pipe_context *pipe, struct pipe_query *q)
84{
85   FREE(q);
86}
87
88
89static boolean
90softpipe_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
143static bool
144softpipe_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
205      softpipe->active_statistics_queries--;
206      break;
207   default:
208      assert(0);
209      break;
210   }
211   softpipe->dirty |= SP_NEW_QUERY;
212   return true;
213}
214
215
216static boolean
217softpipe_get_query_result(struct pipe_context *pipe,
218                          struct pipe_query *q,
219                          boolean wait,
220                          union pipe_query_result *vresult)
221{
222   struct softpipe_query *sq = softpipe_query(q);
223   uint64_t *result = (uint64_t*)vresult;
224
225   switch (sq->type) {
226   case PIPE_QUERY_SO_STATISTICS: {
227      struct pipe_query_data_so_statistics *stats =
228         (struct pipe_query_data_so_statistics *)vresult;
229      stats->num_primitives_written = sq->so.num_primitives_written;
230      stats->primitives_storage_needed = sq->so.primitives_storage_needed;
231   }
232      break;
233   case PIPE_QUERY_PIPELINE_STATISTICS:
234      memcpy(vresult, &sq->stats,
235             sizeof(struct pipe_query_data_pipeline_statistics));
236      break;
237   case PIPE_QUERY_GPU_FINISHED:
238      vresult->b = TRUE;
239      break;
240   case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
241   case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE:
242      vresult->b = sq->end != 0;
243      break;
244   case PIPE_QUERY_TIMESTAMP_DISJOINT: {
245      struct pipe_query_data_timestamp_disjoint *td =
246          (struct pipe_query_data_timestamp_disjoint *)vresult;
247      /* os_get_time_nano return nanoseconds */
248      td->frequency = UINT64_C(1000000000);
249      td->disjoint = FALSE;
250   }
251      break;
252   case PIPE_QUERY_PRIMITIVES_EMITTED:
253      *result = sq->so.num_primitives_written;
254      break;
255   case PIPE_QUERY_PRIMITIVES_GENERATED:
256      *result = sq->so.primitives_storage_needed;
257      break;
258   case PIPE_QUERY_OCCLUSION_PREDICATE:
259   case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE:
260      vresult->b = sq->end - sq->start != 0;
261      break;
262   default:
263      *result = sq->end - sq->start;
264      break;
265   }
266   return TRUE;
267}
268
269
270/**
271 * Called by rendering function to check rendering is conditional.
272 * \return TRUE if we should render, FALSE if we should skip rendering
273 */
274boolean
275softpipe_check_render_cond(struct softpipe_context *sp)
276{
277   struct pipe_context *pipe = &sp->pipe;
278   boolean b, wait;
279   uint64_t result;
280
281   if (!sp->render_cond_query) {
282      return TRUE;  /* no query predicate, draw normally */
283   }
284
285   wait = (sp->render_cond_mode == PIPE_RENDER_COND_WAIT ||
286           sp->render_cond_mode == PIPE_RENDER_COND_BY_REGION_WAIT);
287
288   b = pipe->get_query_result(pipe, sp->render_cond_query, wait,
289                              (void*)&result);
290   if (b)
291      return (!result) == sp->render_cond_cond;
292   else
293      return TRUE;
294}
295
296
297static void
298softpipe_set_active_query_state(struct pipe_context *pipe, boolean enable)
299{
300}
301
302
303void softpipe_init_query_funcs(struct softpipe_context *softpipe )
304{
305   softpipe->pipe.create_query = softpipe_create_query;
306   softpipe->pipe.destroy_query = softpipe_destroy_query;
307   softpipe->pipe.begin_query = softpipe_begin_query;
308   softpipe->pipe.end_query = softpipe_end_query;
309   softpipe->pipe.get_query_result = softpipe_get_query_result;
310   softpipe->pipe.set_active_query_state = softpipe_set_active_query_state;
311}
312
313
314