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