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  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 boolean
  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.    return true;
  134. }
  135.  
  136.  
  137. static void
  138. softpipe_end_query(struct pipe_context *pipe, struct pipe_query *q)
  139. {
  140.    struct softpipe_context *softpipe = softpipe_context( pipe );
  141.    struct softpipe_query *sq = softpipe_query(q);
  142.  
  143.    softpipe->active_query_count--;
  144.    switch (sq->type) {
  145.    case PIPE_QUERY_OCCLUSION_COUNTER:
  146.    case PIPE_QUERY_OCCLUSION_PREDICATE:
  147.       sq->end = softpipe->occlusion_count;
  148.       break;
  149.    case PIPE_QUERY_TIMESTAMP:
  150.       sq->start = 0;
  151.       /* fall through */
  152.    case PIPE_QUERY_TIME_ELAPSED:
  153.       sq->end = os_time_get_nano();
  154.       break;
  155.    case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
  156.       sq->so.num_primitives_written =
  157.          softpipe->so_stats.num_primitives_written - sq->so.num_primitives_written;
  158.       sq->so.primitives_storage_needed =
  159.          softpipe->so_stats.primitives_storage_needed - sq->so.primitives_storage_needed;
  160.       sq->end = sq->so.primitives_storage_needed > sq->so.num_primitives_written;
  161.       break;
  162.    case PIPE_QUERY_SO_STATISTICS:
  163.       sq->so.num_primitives_written =
  164.          softpipe->so_stats.num_primitives_written - sq->so.num_primitives_written;
  165.       sq->so.primitives_storage_needed =
  166.          softpipe->so_stats.primitives_storage_needed - sq->so.primitives_storage_needed;
  167.       break;
  168.    case PIPE_QUERY_PRIMITIVES_EMITTED:
  169.       sq->so.num_primitives_written =
  170.          softpipe->so_stats.num_primitives_written - sq->so.num_primitives_written;
  171.       break;
  172.    case PIPE_QUERY_PRIMITIVES_GENERATED:
  173.       sq->so.primitives_storage_needed =
  174.          softpipe->so_stats.primitives_storage_needed - sq->so.primitives_storage_needed;
  175.       break;
  176.    case PIPE_QUERY_GPU_FINISHED:
  177.    case PIPE_QUERY_TIMESTAMP_DISJOINT:
  178.       break;
  179.    case PIPE_QUERY_PIPELINE_STATISTICS:
  180.       sq->stats.ia_vertices =
  181.          softpipe->pipeline_statistics.ia_vertices - sq->stats.ia_vertices;
  182.       sq->stats.ia_primitives =
  183.          softpipe->pipeline_statistics.ia_primitives - sq->stats.ia_primitives;
  184.       sq->stats.vs_invocations =
  185.          softpipe->pipeline_statistics.vs_invocations - sq->stats.vs_invocations;
  186.       sq->stats.gs_invocations =
  187.          softpipe->pipeline_statistics.gs_invocations - sq->stats.gs_invocations;
  188.       sq->stats.gs_primitives =
  189.          softpipe->pipeline_statistics.gs_primitives - sq->stats.gs_primitives;
  190.       sq->stats.c_invocations =
  191.          softpipe->pipeline_statistics.c_invocations - sq->stats.c_invocations;
  192.       sq->stats.c_primitives =
  193.          softpipe->pipeline_statistics.c_primitives - sq->stats.c_primitives;
  194.       sq->stats.ps_invocations =
  195.          softpipe->pipeline_statistics.ps_invocations - sq->stats.ps_invocations;
  196.  
  197.       softpipe->active_statistics_queries--;
  198.       break;
  199.    default:
  200.       assert(0);
  201.       break;
  202.    }
  203.    softpipe->dirty |= SP_NEW_QUERY;
  204. }
  205.  
  206.  
  207. static boolean
  208. softpipe_get_query_result(struct pipe_context *pipe,
  209.                           struct pipe_query *q,
  210.                           boolean wait,
  211.                           union pipe_query_result *vresult)
  212. {
  213.    struct softpipe_query *sq = softpipe_query(q);
  214.    uint64_t *result = (uint64_t*)vresult;
  215.  
  216.    switch (sq->type) {
  217.    case PIPE_QUERY_SO_STATISTICS: {
  218.       struct pipe_query_data_so_statistics *stats =
  219.          (struct pipe_query_data_so_statistics *)vresult;
  220.       stats->num_primitives_written = sq->so.num_primitives_written;
  221.       stats->primitives_storage_needed = sq->so.primitives_storage_needed;
  222.    }
  223.       break;
  224.    case PIPE_QUERY_PIPELINE_STATISTICS:
  225.       memcpy(vresult, &sq->stats,
  226.              sizeof(struct pipe_query_data_pipeline_statistics));;
  227.       break;
  228.    case PIPE_QUERY_GPU_FINISHED:
  229.       vresult->b = TRUE;
  230.       break;
  231.    case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
  232.       vresult->b = sq->end != 0;
  233.       break;
  234.    case PIPE_QUERY_TIMESTAMP_DISJOINT: {
  235.       struct pipe_query_data_timestamp_disjoint *td =
  236.           (struct pipe_query_data_timestamp_disjoint *)vresult;
  237.       /* os_get_time_nano return nanoseconds */
  238.       td->frequency = UINT64_C(1000000000);
  239.       td->disjoint = FALSE;
  240.    }
  241.       break;
  242.    case PIPE_QUERY_PRIMITIVES_EMITTED:
  243.       *result = sq->so.num_primitives_written;
  244.       break;
  245.    case PIPE_QUERY_PRIMITIVES_GENERATED:
  246.       *result = sq->so.primitives_storage_needed;
  247.       break;
  248.    case PIPE_QUERY_OCCLUSION_PREDICATE:
  249.       vresult->b = sq->end - sq->start != 0;
  250.       break;
  251.    default:
  252.       *result = sq->end - sq->start;
  253.       break;
  254.    }
  255.    return TRUE;
  256. }
  257.  
  258.  
  259. /**
  260.  * Called by rendering function to check rendering is conditional.
  261.  * \return TRUE if we should render, FALSE if we should skip rendering
  262.  */
  263. boolean
  264. softpipe_check_render_cond(struct softpipe_context *sp)
  265. {
  266.    struct pipe_context *pipe = &sp->pipe;
  267.    boolean b, wait;
  268.    uint64_t result;
  269.  
  270.    if (!sp->render_cond_query) {
  271.       return TRUE;  /* no query predicate, draw normally */
  272.    }
  273.  
  274.    wait = (sp->render_cond_mode == PIPE_RENDER_COND_WAIT ||
  275.            sp->render_cond_mode == PIPE_RENDER_COND_BY_REGION_WAIT);
  276.  
  277.    b = pipe->get_query_result(pipe, sp->render_cond_query, wait,
  278.                               (void*)&result);
  279.    if (b)
  280.       return (!result == sp->render_cond_cond);
  281.    else
  282.       return TRUE;
  283. }
  284.  
  285.  
  286. void softpipe_init_query_funcs(struct softpipe_context *softpipe )
  287. {
  288.    softpipe->pipe.create_query = softpipe_create_query;
  289.    softpipe->pipe.destroy_query = softpipe_destroy_query;
  290.    softpipe->pipe.begin_query = softpipe_begin_query;
  291.    softpipe->pipe.end_query = softpipe_end_query;
  292.    softpipe->pipe.get_query_result = softpipe_get_query_result;
  293. }
  294.  
  295.  
  296.