src/gallium/drivers/softpipe/sp_query.c

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