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      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 (at) freedesktop.org>
     25  *    Christian Gmeiner <christian.gmeiner (at) 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 boolean
     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 boolean
     78 etna_sw_get_query_result(struct etna_context *ctx, struct etna_query *q,
     79                          boolean 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 int
    122 etna_sw_get_driver_query_info(struct pipe_screen *pscreen, unsigned index,
    123                               struct pipe_driver_query_info *info)
    124 {
    125    static const struct pipe_driver_query_info list[] = {
    126       {"prims-emitted", PIPE_QUERY_PRIMITIVES_EMITTED, { 0 }},
    127       {"draw-calls", ETNA_QUERY_DRAW_CALLS, { 0 }},
    128       {"rs-operations", ETNA_QUERY_RS_OPERATIONS, { 0 }},
    129    };
    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