35 lines
755 B
C++
35 lines
755 B
C++
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/***
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Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: TimerHighRes.hpp
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Date: 2021-6-10
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Author: Reece
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***/
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#pragma once
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namespace Aurora::Time
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{
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class TimerHighRes
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{
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public:
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TimerHighRes()
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{
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Start();
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}
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void Start()
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{
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start_ = CurrentInternalClockNS();
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}
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AuUInt64 End()
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{
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auto re = std::clamp<AuInt64>(CurrentInternalClockNS() - start_, AuInt64(0), std::numeric_limits<AuInt64>::max());
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if (re == std::numeric_limits<AuInt64>::max()) return 0; // ez overflow in subtract. get out of here in 2-3 branches
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return re;
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}
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private:
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AuUInt64 start_;
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};
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}
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