39 lines
627 B
C
39 lines
627 B
C
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#pragma once
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#include "common/ITypes.h"
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/**
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* A high-resolution timer.
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*/
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class ITimer
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{
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public:
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ITimer();
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~ITimer();
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static void Init(void);
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static void DeInit(void);
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void Start(void);
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double GetElapsedTime(void); // seconds
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private:
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UInt64 m_qpcBase; // QPC
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UInt32 m_tickBase; // timeGetTime
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static double s_secondsPerCount;
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static TIMECAPS s_timecaps;
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static bool s_setTime;
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// safe QPC stuff
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static UInt64 GetQPC(void);
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static UInt64 s_lastQPC;
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static UInt64 s_qpcWrapMargin;
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static bool s_hasLastQPC;
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static UInt32 s_qpcWrapCount;
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static UInt32 s_qpcInaccurateCount;
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};
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