FasTC/Core/src/StopWatch.h

//--------------------------------------------------------------------------------------
// Copyright 2011 Intel Corporation
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//--------------------------------------------------------------------------------------

#pragma once

#include "TexCompTypes.h"

// A simple stopwatch class using Windows' high-resolution performance counters.
class StopWatch
{
public:
	StopWatch();

	void Start();
	void Stop();
	void Reset();

	double TimeInSeconds() const;
	double TimeInMilliseconds() const;
	double TimeInMicroseconds() const;

private:
	uint64 frequency;
	uint64 start;
	uint64 stop;
	int32_ptr affinityMask;
};