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/* SPDX-License-Identifier: Apache-2.0
* Copyright 2011-2022 Blender Foundation */
#ifndef __UTIL_TIME_H__
#define __UTIL_TIME_H__
#include "util/function.h"
#include "util/string.h"
CCL_NAMESPACE_BEGIN
/* Give current time in seconds in double precision, with good accuracy. */
double time_dt();
/* Sleep for the specified number of seconds. */
void time_sleep(double t);
/* Scoped timer. */
class scoped_timer {
public:
explicit scoped_timer(double *value = NULL) : value_(value)
{
time_start_ = time_dt();
}
~scoped_timer()
{
if (value_ != NULL) {
*value_ = get_time();
}
}
double get_start() const
{
return time_start_;
}
double get_time() const
{
return time_dt() - time_start_;
}
protected:
double *value_;
double time_start_;
};
class scoped_callback_timer {
public:
using callback_type = function<void(double)>;
explicit scoped_callback_timer(callback_type cb) : cb(cb)
{
}
~scoped_callback_timer()
{
if (cb) {
cb(timer.get_time());
}
}
protected:
scoped_timer timer;
callback_type cb;
};
/* Make human readable string from time, compatible with Blender metadata. */
string time_human_readable_from_seconds(const double seconds);
double time_human_readable_to_seconds(const string &str);
CCL_NAMESPACE_END
#endif
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