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  1. /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
  2.  
  3. /*
  4.  * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the "Software"),
  8.  * to deal in the Software without restriction, including without limitation
  9.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10.  * and/or sell copies of the Software, and to permit persons to whom the
  11.  * Software is furnished to do so, subject to the following conditions:
  12.  *
  13.  * The above copyright notice and this permission notice (including the next
  14.  * paragraph) shall be included in all copies or substantial portions of the
  15.  * Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21.  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22.  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23.  * SOFTWARE.
  24.  *
  25.  * Authors:
  26.  *    Rob Clark <robclark@freedesktop.org>
  27.  */
  28.  
  29. #include "pipe/p_state.h"
  30. #include "util/u_string.h"
  31. #include "util/u_memory.h"
  32. #include "util/u_inlines.h"
  33. #include "os/os_time.h"
  34.  
  35. #include "freedreno_query_sw.h"
  36. #include "freedreno_context.h"
  37. #include "freedreno_util.h"
  38.  
  39. /*
  40.  * SW Queries:
  41.  *
  42.  * In the core, we have some support for basic sw counters
  43.  */
  44.  
  45. static void
  46. fd_sw_destroy_query(struct fd_context *ctx, struct fd_query *q)
  47. {
  48.         struct fd_sw_query *sq = fd_sw_query(q);
  49.         free(sq);
  50. }
  51.  
  52. static uint64_t
  53. read_counter(struct fd_context *ctx, int type)
  54. {
  55.         switch (type) {
  56.         case PIPE_QUERY_PRIMITIVES_GENERATED:
  57.                 /* for now same thing as _PRIMITIVES_EMITTED */
  58.         case PIPE_QUERY_PRIMITIVES_EMITTED:
  59.                 return ctx->stats.prims_emitted;
  60.         case FD_QUERY_DRAW_CALLS:
  61.                 return ctx->stats.draw_calls;
  62.         case FD_QUERY_BATCH_TOTAL:
  63.                 return ctx->stats.batch_total;
  64.         case FD_QUERY_BATCH_SYSMEM:
  65.                 return ctx->stats.batch_sysmem;
  66.         case FD_QUERY_BATCH_GMEM:
  67.                 return ctx->stats.batch_gmem;
  68.         case FD_QUERY_BATCH_RESTORE:
  69.                 return ctx->stats.batch_restore;
  70.         }
  71.         return 0;
  72. }
  73.  
  74. static bool
  75. is_rate_query(struct fd_query *q)
  76. {
  77.         switch (q->type) {
  78.         case FD_QUERY_BATCH_TOTAL:
  79.         case FD_QUERY_BATCH_SYSMEM:
  80.         case FD_QUERY_BATCH_GMEM:
  81.         case FD_QUERY_BATCH_RESTORE:
  82.                 return true;
  83.         default:
  84.                 return false;
  85.         }
  86. }
  87.  
  88. static boolean
  89. fd_sw_begin_query(struct fd_context *ctx, struct fd_query *q)
  90. {
  91.         struct fd_sw_query *sq = fd_sw_query(q);
  92.         q->active = true;
  93.         sq->begin_value = read_counter(ctx, q->type);
  94.         if (is_rate_query(q))
  95.                 sq->begin_time = os_time_get();
  96.    return true;
  97. }
  98.  
  99. static void
  100. fd_sw_end_query(struct fd_context *ctx, struct fd_query *q)
  101. {
  102.         struct fd_sw_query *sq = fd_sw_query(q);
  103.         q->active = false;
  104.         sq->end_value = read_counter(ctx, q->type);
  105.         if (is_rate_query(q))
  106.                 sq->end_time = os_time_get();
  107. }
  108.  
  109. static boolean
  110. fd_sw_get_query_result(struct fd_context *ctx, struct fd_query *q,
  111.                 boolean wait, union pipe_query_result *result)
  112. {
  113.         struct fd_sw_query *sq = fd_sw_query(q);
  114.  
  115.         if (q->active)
  116.                 return false;
  117.  
  118.         util_query_clear_result(result, q->type);
  119.  
  120.         result->u64 = sq->end_value - sq->begin_value;
  121.  
  122.         if (is_rate_query(q)) {
  123.                 double fps = (result->u64 * 1000000) /
  124.                                 (double)(sq->end_time - sq->begin_time);
  125.                 result->u64 = (uint64_t)fps;
  126.         }
  127.  
  128.         return true;
  129. }
  130.  
  131. static const struct fd_query_funcs sw_query_funcs = {
  132.                 .destroy_query    = fd_sw_destroy_query,
  133.                 .begin_query      = fd_sw_begin_query,
  134.                 .end_query        = fd_sw_end_query,
  135.                 .get_query_result = fd_sw_get_query_result,
  136. };
  137.  
  138. struct fd_query *
  139. fd_sw_create_query(struct fd_context *ctx, unsigned query_type)
  140. {
  141.         struct fd_sw_query *sq;
  142.         struct fd_query *q;
  143.  
  144.         switch (query_type) {
  145.         case PIPE_QUERY_PRIMITIVES_GENERATED:
  146.         case PIPE_QUERY_PRIMITIVES_EMITTED:
  147.         case FD_QUERY_DRAW_CALLS:
  148.         case FD_QUERY_BATCH_TOTAL:
  149.         case FD_QUERY_BATCH_SYSMEM:
  150.         case FD_QUERY_BATCH_GMEM:
  151.         case FD_QUERY_BATCH_RESTORE:
  152.                 break;
  153.         default:
  154.                 return NULL;
  155.         }
  156.  
  157.         sq = CALLOC_STRUCT(fd_sw_query);
  158.         if (!sq)
  159.                 return NULL;
  160.  
  161.         q = &sq->base;
  162.         q->funcs = &sw_query_funcs;
  163.         q->type = query_type;
  164.  
  165.         return q;
  166. }
  167.