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 "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
  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_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
  80 softpipe_destroy_query(struct pipe_context *pipe, struct pipe_query *q)
  81 {
  82    FREE(q);
  83 }
  84
  85
  86 static void
  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 }
 134
 135
 136 static void
 137 softpipe_end_query(struct pipe_context *pipe, struct pipe_query *q)
 138 {
 139    struct softpipe_context *softpipe = softpipe_context( pipe );
 140    struct softpipe_query *sq = softpipe_query(q);
 141
 142    softpipe->active_query_count--;
 143    switch (sq->type) {
 144    case PIPE_QUERY_OCCLUSION_COUNTER:
 145    case PIPE_QUERY_OCCLUSION_PREDICATE:
 146       sq->end = softpipe->occlusion_count;
 147       break;
 148    case PIPE_QUERY_TIMESTAMP:
 149       sq->start = 0;
 150       /* fall through */
 151    case PIPE_QUERY_TIME_ELAPSED:
 152       sq->end = os_time_get_nano();
 153       break;
 154    case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
 155       sq->so.num_primitives_written =
 156          softpipe->so_stats.num_primitives_written - sq->so.num_primitives_written;
 157       sq->so.primitives_storage_needed =
 158          softpipe->so_stats.primitives_storage_needed - sq->so.primitives_storage_needed;
 159       sq->end = sq->so.primitives_storage_needed > sq->so.num_primitives_written;
 160       break;
 161    case PIPE_QUERY_SO_STATISTICS:
 162       sq->so.num_primitives_written =
 163          softpipe->so_stats.num_primitives_written - sq->so.num_primitives_written;
 164       sq->so.primitives_storage_needed =
 165          softpipe->so_stats.primitives_storage_needed - sq->so.primitives_storage_needed;
 166       break;
 167    case PIPE_QUERY_PRIMITIVES_EMITTED:
 168       sq->so.num_primitives_written =
 169          softpipe->so_stats.num_primitives_written - sq->so.num_primitives_written;
 170       break;
 171    case PIPE_QUERY_PRIMITIVES_GENERATED:
 172       sq->so.primitives_storage_needed =
 173          softpipe->so_stats.primitives_storage_needed - sq->so.primitives_storage_needed;
 174       break;
 175    case PIPE_QUERY_GPU_FINISHED:
 176    case PIPE_QUERY_TIMESTAMP_DISJOINT:
 177       break;
 178    case PIPE_QUERY_PIPELINE_STATISTICS:
 179       sq->stats.ia_vertices =
 180          softpipe->pipeline_statistics.ia_vertices - sq->stats.ia_vertices;
 181       sq->stats.ia_primitives =
 182          softpipe->pipeline_statistics.ia_primitives - sq->stats.ia_primitives;
 183       sq->stats.vs_invocations =
 184          softpipe->pipeline_statistics.vs_invocations - sq->stats.vs_invocations;
 185       sq->stats.gs_invocations =
 186          softpipe->pipeline_statistics.gs_invocations - sq->stats.gs_invocations;
 187       sq->stats.gs_primitives =
 188          softpipe->pipeline_statistics.gs_primitives - sq->stats.gs_primitives;
 189       sq->stats.c_invocations =
 190          softpipe->pipeline_statistics.c_invocations - sq->stats.c_invocations;
 191       sq->stats.c_primitives =
 192          softpipe->pipeline_statistics.c_primitives - sq->stats.c_primitives;
 193       sq->stats.ps_invocations =
 194          softpipe->pipeline_statistics.ps_invocations - sq->stats.ps_invocations;
 195
 196       softpipe->active_statistics_queries--;
 197       break;
 198    default:
 199       assert(0);
 200       break;
 201    }
 202    softpipe->dirty |= SP_NEW_QUERY;
 203 }
 204
 205
 206 static boolean
 207 softpipe_get_query_result(struct pipe_context *pipe,
 208                           struct pipe_query *q,
 209                           boolean wait,
 210                           union pipe_query_result *vresult)
 211 {
 212    struct softpipe_query *sq = softpipe_query(q);
 213    uint64_t *result = (uint64_t*)vresult;
 214
 215    switch (sq->type) {
 216    case PIPE_QUERY_SO_STATISTICS: {
 217       struct pipe_query_data_so_statistics *stats =
 218          (struct pipe_query_data_so_statistics *)vresult;
 219       stats->num_primitives_written = sq->so.num_primitives_written;
 220       stats->primitives_storage_needed = sq->so.primitives_storage_needed;
 221    }
 222       break;
 223    case PIPE_QUERY_PIPELINE_STATISTICS:
 224       memcpy(vresult, &sq->stats,
 225              sizeof(struct pipe_query_data_pipeline_statistics));;
 226       break;
 227    case PIPE_QUERY_GPU_FINISHED:
 228       vresult->b = TRUE;
 229       break;
 230    case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
 231       vresult->b = sq->end != 0;
 232       break;
 233    case PIPE_QUERY_TIMESTAMP_DISJOINT: {
 234       struct pipe_query_data_timestamp_disjoint *td =
 235           (struct pipe_query_data_timestamp_disjoint *)vresult;
 236       /* os_get_time_nano return nanoseconds */
 237       td->frequency = UINT64_C(1000000000);
 238       td->disjoint = FALSE;
 239    }
 240       break;
 241    case PIPE_QUERY_PRIMITIVES_EMITTED:
 242       *result = sq->so.num_primitives_written;
 243       break;
 244    case PIPE_QUERY_PRIMITIVES_GENERATED:
 245       *result = sq->so.primitives_storage_needed;
 246       break;
 247    case PIPE_QUERY_OCCLUSION_PREDICATE:
 248       vresult->b = sq->end - sq->start != 0;
 249       break;
 250    default:
 251       *result = sq->end - sq->start;
 252       break;
 253    }
 254    return TRUE;
 255 }
 256
 257
 258 /**
 259  * Called by rendering function to check rendering is conditional.
 260  * \return TRUE if we should render, FALSE if we should skip rendering
 261  */
 262 boolean
 263 softpipe_check_render_cond(struct softpipe_context *sp)
 264 {
 265    struct pipe_context *pipe = &sp->pipe;
 266    boolean b, wait;
 267    uint64_t result;
 268
 269    if (!sp->render_cond_query) {
 270       return TRUE;  /* no query predicate, draw normally */
 271    }
 272
 273    wait = (sp->render_cond_mode == PIPE_RENDER_COND_WAIT ||
 274            sp->render_cond_mode == PIPE_RENDER_COND_BY_REGION_WAIT);
 275
 276    b = pipe->get_query_result(pipe, sp->render_cond_query, wait,
 277                               (void*)&result);
 278    if (b)
 279       return (!result == sp->render_cond_cond);
 280    else
 281       return TRUE;
 282 }
 283
 284
 285 void softpipe_init_query_funcs(struct softpipe_context *softpipe )
 286 {
 287    softpipe->pipe.create_query = softpipe_create_query;
 288    softpipe->pipe.destroy_query = softpipe_destroy_query;
 289    softpipe->pipe.begin_query = softpipe_begin_query;
 290    softpipe->pipe.end_query = softpipe_end_query;
 291    softpipe->pipe.get_query_result = softpipe_get_query_result;
 292 }
 293
 294