src/gallium/drivers/softpipe/sp_query.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   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 TUNGSTEN GRAPHICS 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 <keith@tungstengraphics.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    unsigned num_primitives_generated;
  46
  47    struct pipe_query_data_pipeline_statistics stats;
  48 };
  49
  50
  51 static struct softpipe_query *softpipe_query( struct pipe_query *p )
  52 {
  53    return (struct softpipe_query *)p;
  54 }
  55
  56 static struct pipe_query *
  57 softpipe_create_query(struct pipe_context *pipe,
  58                       unsigned type)
  59 {
  60    struct softpipe_query* sq;
  61
  62    assert(type == PIPE_QUERY_OCCLUSION_COUNTER ||
  63           type == PIPE_QUERY_TIME_ELAPSED ||
  64           type == PIPE_QUERY_SO_STATISTICS ||
  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       sq->start = softpipe->occlusion_count;
  94       break;
  95    case PIPE_QUERY_TIMESTAMP_DISJOINT:
  96    case PIPE_QUERY_TIME_ELAPSED:
  97       sq->start = os_time_get_nano();
  98       break;
  99    case PIPE_QUERY_SO_STATISTICS:
 100       sq->so.primitives_storage_needed = 0;
 101       sq->num_primitives_generated = 0;
 102       softpipe->num_primitives_generated = 0;
 103       sq->so.num_primitives_written = 0;
 104       softpipe->so_stats.num_primitives_written = 0;
 105    case PIPE_QUERY_PRIMITIVES_EMITTED:
 106       sq->so.num_primitives_written = 0;
 107       softpipe->so_stats.num_primitives_written = 0;
 108       break;
 109    case PIPE_QUERY_PRIMITIVES_GENERATED:
 110       sq->num_primitives_generated = 0;
 111       softpipe->num_primitives_generated = 0;
 112       break;
 113    case PIPE_QUERY_TIMESTAMP:
 114    case PIPE_QUERY_GPU_FINISHED:
 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       sq->end = softpipe->occlusion_count;
 145       break;
 146    case PIPE_QUERY_TIMESTAMP:
 147       sq->start = 0;
 148       /* fall through */
 149    case PIPE_QUERY_TIMESTAMP_DISJOINT:
 150    case PIPE_QUERY_TIME_ELAPSED:
 151       sq->end = os_time_get_nano();
 152       break;
 153    case PIPE_QUERY_SO_STATISTICS:
 154       sq->num_primitives_generated =
 155          softpipe->num_primitives_generated;
 156       sq->so.num_primitives_written =
 157          softpipe->so_stats.num_primitives_written;
 158       break;
 159    case PIPE_QUERY_PRIMITIVES_EMITTED:
 160       sq->so.num_primitives_written =
 161          softpipe->so_stats.num_primitives_written;
 162       break;
 163    case PIPE_QUERY_PRIMITIVES_GENERATED:
 164       sq->num_primitives_generated = softpipe->num_primitives_generated;
 165       break;
 166    case PIPE_QUERY_GPU_FINISHED:
 167       break;
 168    case PIPE_QUERY_PIPELINE_STATISTICS:
 169       sq->stats.ia_vertices =
 170          softpipe->pipeline_statistics.ia_vertices - sq->stats.ia_vertices;
 171       sq->stats.ia_primitives =
 172          softpipe->pipeline_statistics.ia_primitives - sq->stats.ia_primitives;
 173       sq->stats.vs_invocations =
 174          softpipe->pipeline_statistics.vs_invocations - sq->stats.vs_invocations;
 175       sq->stats.gs_invocations =
 176          softpipe->pipeline_statistics.gs_invocations - sq->stats.gs_invocations;
 177       sq->stats.gs_primitives =
 178          softpipe->pipeline_statistics.gs_primitives - sq->stats.gs_primitives;
 179       sq->stats.c_invocations =
 180          softpipe->pipeline_statistics.c_invocations - sq->stats.c_invocations;
 181       sq->stats.c_primitives =
 182          softpipe->pipeline_statistics.c_primitives - sq->stats.c_primitives;
 183       sq->stats.ps_invocations =
 184          softpipe->pipeline_statistics.ps_invocations - sq->stats.ps_invocations;
 185
 186       softpipe->active_statistics_queries--;
 187       break;
 188    default:
 189       assert(0);
 190       break;
 191    }
 192    softpipe->dirty |= SP_NEW_QUERY;
 193 }
 194
 195
 196 static boolean
 197 softpipe_get_query_result(struct pipe_context *pipe,
 198                           struct pipe_query *q,
 199                           boolean wait,
 200                           union pipe_query_result *vresult)
 201 {
 202    struct softpipe_query *sq = softpipe_query(q);
 203    uint64_t *result = (uint64_t*)vresult;
 204
 205    switch (sq->type) {
 206    case PIPE_QUERY_SO_STATISTICS: {
 207       struct pipe_query_data_so_statistics *stats =
 208          (struct pipe_query_data_so_statistics *)vresult;
 209       stats->num_primitives_written = sq->so.num_primitives_written;
 210       stats->primitives_storage_needed = sq->num_primitives_generated;
 211    }
 212       break;
 213    case PIPE_QUERY_PIPELINE_STATISTICS:
 214       memcpy(vresult, &sq->stats,
 215              sizeof(struct pipe_query_data_pipeline_statistics));;
 216       break;
 217    case PIPE_QUERY_GPU_FINISHED:
 218       *result = TRUE;
 219       break;
 220    case PIPE_QUERY_TIMESTAMP_DISJOINT: {
 221       struct pipe_query_data_timestamp_disjoint td;
 222       /* os_get_time_nano return nanoseconds */
 223       td.frequency = UINT64_C(1000000000);
 224       td.disjoint = sq->end != sq->start;
 225       memcpy(vresult, &td,
 226              sizeof(struct pipe_query_data_timestamp_disjoint));
 227    }
 228       break;
 229    case PIPE_QUERY_PRIMITIVES_EMITTED:
 230       *result = sq->so.num_primitives_written;
 231       break;
 232    case PIPE_QUERY_PRIMITIVES_GENERATED:
 233       *result = sq->num_primitives_generated;
 234       break;
 235    default:
 236       *result = sq->end - sq->start;
 237       break;
 238    }
 239    return TRUE;
 240 }
 241
 242
 243 /**
 244  * Called by rendering function to check rendering is conditional.
 245  * \return TRUE if we should render, FALSE if we should skip rendering
 246  */
 247 boolean
 248 softpipe_check_render_cond(struct softpipe_context *sp)
 249 {
 250    struct pipe_context *pipe = &sp->pipe;
 251    boolean b, wait;
 252    uint64_t result;
 253
 254    if (!sp->render_cond_query) {
 255       return TRUE;  /* no query predicate, draw normally */
 256    }
 257
 258    wait = (sp->render_cond_mode == PIPE_RENDER_COND_WAIT ||
 259            sp->render_cond_mode == PIPE_RENDER_COND_BY_REGION_WAIT);
 260
 261    b = pipe->get_query_result(pipe, sp->render_cond_query, wait,
 262                               (void*)&result);
 263    if (b)
 264       return result > 0;
 265    else
 266       return TRUE;
 267 }
 268
 269
 270 void softpipe_init_query_funcs(struct softpipe_context *softpipe )
 271 {
 272    softpipe->pipe.create_query = softpipe_create_query;
 273    softpipe->pipe.destroy_query = softpipe_destroy_query;
 274    softpipe->pipe.begin_query = softpipe_begin_query;
 275    softpipe->pipe.end_query = softpipe_end_query;
 276    softpipe->pipe.get_query_result = softpipe_get_query_result;
 277 }
 278
 279