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// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "default.h"
/* Macros to gather statistics */
#ifdef EMBREE_STAT_COUNTERS
# define STAT(x) x
# define STAT3(s,x,y,z) \
STAT(Stat::get().code .s+=x); \
STAT(Stat::get().active.s+=y); \
STAT(Stat::get().all .s+=z);
# define STAT_USER(i,x) Stat::get().user[i]+=x;
#else
# define STAT(x)
# define STAT3(s,x,y,z)
# define STAT_USER(i,x)
#endif
namespace embree
{
/*! Gathers ray tracing statistics. We count 1) how often a code
* location is reached, 2) how many SIMD lanes are active, 3) how
* many SIMD lanes reach the code location */
class Stat
{
public:
static const size_t SIZE_HISTOGRAM = 64+1;
/*! constructs stat counter class */
Stat ();
/*! destructs stat counter class */
~Stat ();
class Counters
{
public:
Counters () {
clear();
}
void clear()
{
all.clear();
active.clear();
code.clear();
for (auto& u : user) u.store(0);
}
public:
/* per packet and per ray stastics */
struct Data
{
void clear () {
normal.clear();
shadow.clear();
point_query.clear();
}
/* normal and shadow ray statistics */
struct
{
void clear()
{
travs.store(0);
trav_nodes.store(0);
trav_leaves.store(0);
trav_prims.store(0);
trav_prim_hits.store(0);
for (auto& v : trav_hit_boxes) v.store(0);
trav_stack_pop.store(0);
trav_stack_nodes.store(0);
trav_xfm_nodes.store(0);
}
public:
std::atomic<size_t> travs;
std::atomic<size_t> trav_nodes;
std::atomic<size_t> trav_leaves;
std::atomic<size_t> trav_prims;
std::atomic<size_t> trav_prim_hits;
std::atomic<size_t> trav_hit_boxes[SIZE_HISTOGRAM+1];
std::atomic<size_t> trav_stack_pop;
std::atomic<size_t> trav_stack_nodes;
std::atomic<size_t> trav_xfm_nodes;
} normal, shadow, point_query;
} all, active, code;
std::atomic<size_t> user[10];
};
public:
static __forceinline Counters& get() {
return instance.cntrs;
}
static void clear() {
instance.cntrs.clear();
}
static void print(embree_ostream cout);
private:
Counters cntrs;
private:
static Stat instance;
};
}
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