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 "os/os_time.h"
  29 #include "pipe/p_state.h"
  30 #include "util/u_inlines.h"
  31 #include "util/u_memory.h"
  32 #include "util/u_string.h"
  33
  34 #include "etnaviv_context.h"
  35 #include "etnaviv_query_sw.h"
  36
  37 static void
  38 etna_sw_destroy_query(struct etna_context *ctx, struct etna_query *q)
  39 {
  40    struct etna_sw_query *sq = etna_sw_query(q);
  41
  42    FREE(sq);
  43 }
  44
  45 static uint64_t
  46 read_counter(struct etna_context *ctx, int type)
  47 {
  48    switch (type) {
  49    case PIPE_QUERY_PRIMITIVES_EMITTED:
  50       return ctx->stats.prims_emitted;
  51    case ETNA_QUERY_DRAW_CALLS:
  52       return ctx->stats.draw_calls;
  53    }
  54
  55    return 0;
  56 }
  57
  58 static boolean
  59 etna_sw_begin_query(struct etna_context *ctx, struct etna_query *q)
  60 {
  61    struct etna_sw_query *sq = etna_sw_query(q);
  62
  63    q->active = true;
  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    q->active = false;
  75    sq->end_value = read_counter(ctx, q->type);
  76 }
  77
  78 static boolean
  79 etna_sw_get_query_result(struct etna_context *ctx, struct etna_query *q,
  80                          boolean wait, union pipe_query_result *result)
  81 {
  82    struct etna_sw_query *sq = etna_sw_query(q);
  83
  84    if (q->active)
  85       return false;
  86
  87    util_query_clear_result(result, q->type);
  88    result->u64 = sq->end_value - sq->begin_value;
  89
  90    return true;
  91 }
  92
  93 static const struct etna_query_funcs sw_query_funcs = {
  94    .destroy_query = etna_sw_destroy_query,
  95    .begin_query = etna_sw_begin_query,
  96    .end_query = etna_sw_end_query,
  97    .get_query_result = etna_sw_get_query_result,
  98 };
  99
 100 struct etna_query *
 101 etna_sw_create_query(struct etna_context *ctx, unsigned query_type)
 102 {
 103    struct etna_sw_query *sq;
 104    struct etna_query *q;
 105
 106    switch (query_type) {
 107    case PIPE_QUERY_PRIMITIVES_EMITTED:
 108    case ETNA_QUERY_DRAW_CALLS:
 109       break;
 110    default:
 111       return NULL;
 112    }
 113
 114    sq = CALLOC_STRUCT(etna_sw_query);
 115    if (!sq)
 116       return NULL;
 117
 118    q = &sq->base;
 119    q->funcs = &sw_query_funcs;
 120    q->type = query_type;
 121
 122    return q;
 123 }