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51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
// SPDX-FileCopyrightText: 2019-2022 Connor McLaughlin <stenzek@gmail.com>
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// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
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#pragma once
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#include <cstdint>
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namespace Common {
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class Timer
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{
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public:
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using Value = std::uint64_t;
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Timer();
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static double GetFrequency();
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static Value GetCurrentValue();
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static double ConvertValueToSeconds(Value value);
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static double ConvertValueToMilliseconds(Value value);
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static double ConvertValueToNanoseconds(Value value);
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static Value ConvertSecondsToValue(double s);
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static Value ConvertMillisecondsToValue(double s);
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static Value ConvertNanosecondsToValue(double ns);
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static void BusyWait(std::uint64_t ns);
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static void HybridSleep(std::uint64_t ns, std::uint64_t min_sleep_time = UINT64_C(2000000));
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static void NanoSleep(std::uint64_t ns);
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static void SleepUntil(Value value, bool exact);
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void Reset();
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void ResetTo(Value value) { m_tvStartValue = value; }
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Value GetStartValue() const { return m_tvStartValue; }
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double GetTimeSeconds() const;
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double GetTimeMilliseconds() const;
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double GetTimeNanoseconds() const;
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double GetTimeSecondsAndReset();
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double GetTimeMillisecondsAndReset();
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double GetTimeNanosecondsAndReset();
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bool ResetIfSecondsPassed(double s);
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bool ResetIfMillisecondsPassed(double s);
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bool ResetIfNanosecondsPassed(double s);
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private:
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Value m_tvStartValue;
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};
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} // namespace Common
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