src/gallium/drivers/freedreno/freedreno_query_sw.c

   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 }