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    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
  50 static struct softpipe_query *softpipe_query( struct pipe_query *p )
  51 {
  52    return (struct softpipe_query *)p;
  53 }
  54
  55 static struct pipe_query *
  56 softpipe_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
  82 static void
  83 softpipe_destroy_query(struct pipe_context *pipe, struct pipe_query *q)
  84 {
  85    FREE(q);
  86 }
  87
  88
  89 static bool
  90 softpipe_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
 143 static bool
 144 softpipe_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
 216 static bool
 217 softpipe_get_query_result(struct pipe_context *pipe,
 218                           struct pipe_query *q,
 219                           bool 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  */
 274 boolean
 275 softpipe_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
 297 static void
 298 softpipe_set_active_query_state(struct pipe_context *pipe, bool enable)
 299 {
 300 }
 301
 302
 303 void 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