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60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
4 years ago
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/******************************************************************************
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* Filename: HighResTimer.h
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* Date: 12/06/2010
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* Mod. Date: 03/21/2018
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* Author: Joseph R. Pollack
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* Purpose: A high resolution timer suitable for profiling code. This new
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* version has stripped out the game specific functionality and
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* does not include windows.h in the header.
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******************************************************************************/
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#ifndef HIGH_RES_TIMER_H_
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#define HIGH_RES_TIMER_H_
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#include <stdint.h>
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namespace Lunarium
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{
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class HighResTimer
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{
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public:
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// NOTE: Currently unused
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enum eUnits { SECONDS, MILLISECONDS, MICROSECONDS, NANOSECONDS, PICOSECONDS };
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public:
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HighResTimer();
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void Initialize();
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// Starts or re starts the timer.
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void Reset();
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// Returns the amount of time in microseconds since the last Reset() call.
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int64_t GetElapsedTime();
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// Returns the elapsed time in terms of seconds
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double GetElapsedSeconds();
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private:
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int64_t mStartTime;
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int64_t mTickFrequency;
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const int mcMils = 1000000;
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const int mcBils = 1000000000;
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const long long mcTrils = 1000000000000;
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/* // OLD MEMBERS
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long long m_TickFreqQuadPart;
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double m_StartTime;
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*/
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};
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}
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#endif // HIGH_RES_TIMER_H_
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