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  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_OCCLUSION_PREDICATE ||
  64.           type == PIPE_QUERY_TIME_ELAPSED ||
  65.           type == PIPE_QUERY_SO_STATISTICS ||
  66.           type == PIPE_QUERY_SO_OVERFLOW_PREDICATE ||
  67.           type == PIPE_QUERY_PRIMITIVES_EMITTED ||
  68.           type == PIPE_QUERY_PRIMITIVES_GENERATED ||
  69.           type == PIPE_QUERY_PIPELINE_STATISTICS ||
  70.           type == PIPE_QUERY_GPU_FINISHED ||
  71.           type == PIPE_QUERY_TIMESTAMP ||
  72.           type == PIPE_QUERY_TIMESTAMP_DISJOINT);
  73.    sq = CALLOC_STRUCT( softpipe_query );
  74.    sq->type = type;
  75.  
  76.    return (struct pipe_query *)sq;
  77. }
  78.  
  79.  
  80. static void
  81. softpipe_destroy_query(struct pipe_context *pipe, struct pipe_query *q)
  82. {
  83.    FREE(q);
  84. }
  85.  
  86.  
  87. static void
  88. softpipe_begin_query(struct pipe_context *pipe, struct pipe_query *q)
  89. {
  90.    struct softpipe_context *softpipe = softpipe_context( pipe );
  91.    struct softpipe_query *sq = softpipe_query(q);
  92.  
  93.    switch (sq->type) {
  94.    case PIPE_QUERY_OCCLUSION_COUNTER:
  95.    case PIPE_QUERY_OCCLUSION_PREDICATE:
  96.       sq->start = softpipe->occlusion_count;
  97.       break;
  98.    case PIPE_QUERY_TIME_ELAPSED:
  99.       sq->start = os_time_get_nano();
  100.       break;
  101.    case PIPE_QUERY_SO_STATISTICS:
  102.       sq->so.primitives_storage_needed = 0;
  103.       sq->num_primitives_generated = 0;
  104.       softpipe->num_primitives_generated = 0;
  105.       sq->so.num_primitives_written = 0;
  106.       softpipe->so_stats.num_primitives_written = 0;
  107.       break;
  108.    case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
  109.       sq->end = FALSE;
  110.       break;
  111.    case PIPE_QUERY_PRIMITIVES_EMITTED:
  112.       sq->so.num_primitives_written = 0;
  113.       softpipe->so_stats.num_primitives_written = 0;
  114.       break;
  115.    case PIPE_QUERY_PRIMITIVES_GENERATED:
  116.       sq->num_primitives_generated = 0;
  117.       softpipe->num_primitives_generated = 0;
  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. }
  140.  
  141.  
  142. static void
  143. softpipe_end_query(struct pipe_context *pipe, struct pipe_query *q)
  144. {
  145.    struct softpipe_context *softpipe = softpipe_context( pipe );
  146.    struct softpipe_query *sq = softpipe_query(q);
  147.  
  148.    softpipe->active_query_count--;
  149.    switch (sq->type) {
  150.    case PIPE_QUERY_OCCLUSION_COUNTER:
  151.    case PIPE_QUERY_OCCLUSION_PREDICATE:
  152.       sq->end = softpipe->occlusion_count;
  153.       break;
  154.    case PIPE_QUERY_TIMESTAMP:
  155.       sq->start = 0;
  156.       /* fall through */
  157.    case PIPE_QUERY_TIME_ELAPSED:
  158.       sq->end = os_time_get_nano();
  159.       break;
  160.    case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
  161.       sq->end = (softpipe->num_primitives_generated >
  162.                  softpipe->so_stats.num_primitives_written);
  163.       break;
  164.    case PIPE_QUERY_SO_STATISTICS:
  165.       sq->num_primitives_generated =
  166.          softpipe->num_primitives_generated;
  167.       sq->so.num_primitives_written =
  168.          softpipe->so_stats.num_primitives_written;
  169.       break;
  170.    case PIPE_QUERY_PRIMITIVES_EMITTED:
  171.       sq->so.num_primitives_written =
  172.          softpipe->so_stats.num_primitives_written;
  173.       break;
  174.    case PIPE_QUERY_PRIMITIVES_GENERATED:
  175.       sq->num_primitives_generated = softpipe->num_primitives_generated;
  176.       break;
  177.    case PIPE_QUERY_GPU_FINISHED:
  178.    case PIPE_QUERY_TIMESTAMP_DISJOINT:
  179.       break;
  180.    case PIPE_QUERY_PIPELINE_STATISTICS:
  181.       sq->stats.ia_vertices =
  182.          softpipe->pipeline_statistics.ia_vertices - sq->stats.ia_vertices;
  183.       sq->stats.ia_primitives =
  184.          softpipe->pipeline_statistics.ia_primitives - sq->stats.ia_primitives;
  185.       sq->stats.vs_invocations =
  186.          softpipe->pipeline_statistics.vs_invocations - sq->stats.vs_invocations;
  187.       sq->stats.gs_invocations =
  188.          softpipe->pipeline_statistics.gs_invocations - sq->stats.gs_invocations;
  189.       sq->stats.gs_primitives =
  190.          softpipe->pipeline_statistics.gs_primitives - sq->stats.gs_primitives;
  191.       sq->stats.c_invocations =
  192.          softpipe->pipeline_statistics.c_invocations - sq->stats.c_invocations;
  193.       sq->stats.c_primitives =
  194.          softpipe->pipeline_statistics.c_primitives - sq->stats.c_primitives;
  195.       sq->stats.ps_invocations =
  196.          softpipe->pipeline_statistics.ps_invocations - sq->stats.ps_invocations;
  197.  
  198.       softpipe->active_statistics_queries--;
  199.       break;
  200.    default:
  201.       assert(0);
  202.       break;
  203.    }
  204.    softpipe->dirty |= SP_NEW_QUERY;
  205. }
  206.  
  207.  
  208. static boolean
  209. softpipe_get_query_result(struct pipe_context *pipe,
  210.                           struct pipe_query *q,
  211.                           boolean wait,
  212.                           union pipe_query_result *vresult)
  213. {
  214.    struct softpipe_query *sq = softpipe_query(q);
  215.    uint64_t *result = (uint64_t*)vresult;
  216.  
  217.    switch (sq->type) {
  218.    case PIPE_QUERY_SO_STATISTICS: {
  219.       struct pipe_query_data_so_statistics *stats =
  220.          (struct pipe_query_data_so_statistics *)vresult;
  221.       stats->num_primitives_written = sq->so.num_primitives_written;
  222.       stats->primitives_storage_needed = sq->num_primitives_generated;
  223.    }
  224.       break;
  225.    case PIPE_QUERY_PIPELINE_STATISTICS:
  226.       memcpy(vresult, &sq->stats,
  227.              sizeof(struct pipe_query_data_pipeline_statistics));;
  228.       break;
  229.    case PIPE_QUERY_GPU_FINISHED:
  230.       vresult->b = TRUE;
  231.       break;
  232.    case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
  233.       vresult->b = sq->end != 0;
  234.       break;
  235.    case PIPE_QUERY_TIMESTAMP_DISJOINT: {
  236.       struct pipe_query_data_timestamp_disjoint *td =
  237.           (struct pipe_query_data_timestamp_disjoint *)vresult;
  238.       /* os_get_time_nano return nanoseconds */
  239.       td->frequency = UINT64_C(1000000000);
  240.       td->disjoint = FALSE;
  241.    }
  242.       break;
  243.    case PIPE_QUERY_PRIMITIVES_EMITTED:
  244.       *result = sq->so.num_primitives_written;
  245.       break;
  246.    case PIPE_QUERY_PRIMITIVES_GENERATED:
  247.       *result = sq->num_primitives_generated;
  248.       break;
  249.    case PIPE_QUERY_OCCLUSION_PREDICATE:
  250.       vresult->b = sq->end - sq->start != 0;
  251.       break;
  252.    default:
  253.       *result = sq->end - sq->start;
  254.       break;
  255.    }
  256.    return TRUE;
  257. }
  258.  
  259.  
  260. /**
  261.  * Called by rendering function to check rendering is conditional.
  262.  * \return TRUE if we should render, FALSE if we should skip rendering
  263.  */
  264. boolean
  265. softpipe_check_render_cond(struct softpipe_context *sp)
  266. {
  267.    struct pipe_context *pipe = &sp->pipe;
  268.    boolean b, wait;
  269.    uint64_t result;
  270.  
  271.    if (!sp->render_cond_query) {
  272.       return TRUE;  /* no query predicate, draw normally */
  273.    }
  274.  
  275.    wait = (sp->render_cond_mode == PIPE_RENDER_COND_WAIT ||
  276.            sp->render_cond_mode == PIPE_RENDER_COND_BY_REGION_WAIT);
  277.  
  278.    b = pipe->get_query_result(pipe, sp->render_cond_query, wait,
  279.                               (void*)&result);
  280.    if (b)
  281.       return (!result == sp->render_cond_cond);
  282.    else
  283.       return TRUE;
  284. }
  285.  
  286.  
  287. void softpipe_init_query_funcs(struct softpipe_context *softpipe )
  288. {
  289.    softpipe->pipe.create_query = softpipe_create_query;
  290.    softpipe->pipe.destroy_query = softpipe_destroy_query;
  291.    softpipe->pipe.begin_query = softpipe_begin_query;
  292.    softpipe->pipe.end_query = softpipe_end_query;
  293.    softpipe->pipe.get_query_result = softpipe_get_query_result;
  294. }
  295.  
  296.  
  297.