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