src/gallium/drivers/etnaviv/etnaviv_query_sw.c

   1 /*
   2  * Copyright (c) 2016 Etnaviv Project
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sub license,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the
  12  * next paragraph) shall be included in all copies or substantial portions
  13  * of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *    Rob Clark <robclark@freedesktop.org>
  25  *    Christian Gmeiner <christian.gmeiner@gmail.com>
  26  */
  27
  28 #include "util/os_time.h"
  29 #include "pipe/p_state.h"
  30 #include "util/u_memory.h"
  31 #include "util/u_string.h"
  32
  33 #include "etnaviv_context.h"
  34 #include "etnaviv_query_sw.h"
  35
  36 static void
  37 etna_sw_destroy_query(struct etna_context *ctx, struct etna_query *q)
  38 {
  39    struct etna_sw_query *sq = etna_sw_query(q);
  40
  41    FREE(sq);
  42 }
  43
  44 static uint64_t
  45 read_counter(struct etna_context *ctx, unsigned type)
  46 {
  47    switch (type) {
  48    case PIPE_QUERY_PRIMITIVES_EMITTED:
  49       return ctx->stats.prims_emitted;
  50    case ETNA_QUERY_DRAW_CALLS:
  51       return ctx->stats.draw_calls;
  52    case ETNA_QUERY_RS_OPERATIONS:
  53       return ctx->stats.rs_operations;
  54    }
  55
  56    return 0;
  57 }
  58
  59 static bool
  60 etna_sw_begin_query(struct etna_context *ctx, struct etna_query *q)
  61 {
  62    struct etna_sw_query *sq = etna_sw_query(q);
  63
  64    sq->begin_value = read_counter(ctx, q->type);
  65
  66    return true;
  67 }
  68
  69 static void
  70 etna_sw_end_query(struct etna_context *ctx, struct etna_query *q)
  71 {
  72    struct etna_sw_query *sq = etna_sw_query(q);
  73
  74    sq->end_value = read_counter(ctx, q->type);
  75 }
  76
  77 static bool
  78 etna_sw_get_query_result(struct etna_context *ctx, struct etna_query *q,
  79                          bool wait, union pipe_query_result *result)
  80 {
  81    struct etna_sw_query *sq = etna_sw_query(q);
  82
  83    result->u64 = sq->end_value - sq->begin_value;
  84
  85    return true;
  86 }
  87
  88 static const struct etna_query_funcs sw_query_funcs = {
  89    .destroy_query = etna_sw_destroy_query,
  90    .begin_query = etna_sw_begin_query,
  91    .end_query = etna_sw_end_query,
  92    .get_query_result = etna_sw_get_query_result,
  93 };
  94
  95 struct etna_query *
  96 etna_sw_create_query(struct etna_context *ctx, unsigned query_type)
  97 {
  98    struct etna_sw_query *sq;
  99    struct etna_query *q;
 100
 101    switch (query_type) {
 102    case PIPE_QUERY_PRIMITIVES_EMITTED:
 103    case ETNA_QUERY_DRAW_CALLS:
 104    case ETNA_QUERY_RS_OPERATIONS:
 105       break;
 106    default:
 107       return NULL;
 108    }
 109
 110    sq = CALLOC_STRUCT(etna_sw_query);
 111    if (!sq)
 112       return NULL;
 113
 114    q = &sq->base;
 115    q->funcs = &sw_query_funcs;
 116    q->type = query_type;
 117
 118    return q;
 119 }
 120
 121 static const struct pipe_driver_query_info list[] = {
 122    {"prims-emitted", PIPE_QUERY_PRIMITIVES_EMITTED, { 0 }},
 123    {"draw-calls", ETNA_QUERY_DRAW_CALLS, { 0 }},
 124    {"rs-operations", ETNA_QUERY_RS_OPERATIONS, { 0 }},
 125 };
 126
 127 int
 128 etna_sw_get_driver_query_info(struct pipe_screen *pscreen, unsigned index,
 129                               struct pipe_driver_query_info *info)
 130 {
 131    if (!info)
 132       return ARRAY_SIZE(list);
 133
 134    if (index >= ARRAY_SIZE(list))
 135       return 0;
 136
 137    *info = list[index];
 138
 139    return 1;
 140 }
 141
 142 int
 143 etna_sw_get_driver_query_group_info(struct pipe_screen *pscreen,
 144                                     unsigned index,
 145                                     struct pipe_driver_query_group_info *info)
 146 {
 147    if (!info)
 148       return 1;
 149
 150    if (index != 0)
 151       return 0;
 152
 153    info->name = "driver";
 154    info->max_active_queries = ARRAY_SIZE(list);
 155    info->num_queries = ARRAY_SIZE(list);
 156
 157    return 1;
 158 }