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