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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 (at) 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 (at) 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 		return ctx->stats.prims_generated;
     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