xref: /TaskScheduler/Scheduler/Include/Platform/Windows/MTUtils.h (revision 9c716f68)

// The MIT License (MIT)
//
// 	Copyright (c) 2015 Sergey Makeev, Vadim Slyusarev
//
// 	Permission is hereby granted, free of charge, to any person obtaining a copy
// 	of this software and associated documentation files (the "Software"), to deal
// 	in the Software without restriction, including without limitation the rights
// 	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// 	copies of the Software, and to permit persons to whom the Software is
// 	furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
// 	all copies or substantial portions of the Software.
//
// 	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// 	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// 	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// 	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// 	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// 	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// 	THE SOFTWARE.
#pragma once

#ifndef __MT_UTILS__
#define __MT_UTILS__

namespace MT
{

	////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	inline int64 GetHighFrequencyTime()
	{
		MW_LARGE_INTEGER largeInteger;
		QueryPerformanceCounter( &largeInteger );
		return largeInteger.QuadPart;
	}

	////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	inline int64 GetFrequency()
	{
		MW_LARGE_INTEGER frequency;
		QueryPerformanceFrequency(&frequency);
		return frequency.QuadPart;
	}

	////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	inline int64 GetTimeMilliSeconds()
	{
		MW_LARGE_INTEGER largeInteger;
		QueryPerformanceCounter( &largeInteger );
		return ( largeInteger.QuadPart * int64(1000) ) / GetFrequency();
	}

	////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	inline int64 GetTimeMicroSeconds()
	{
		MW_LARGE_INTEGER largeInteger;
		QueryPerformanceCounter( &largeInteger );
		return ( largeInteger.QuadPart * int64(1000000) ) / GetFrequency();
	}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
}


#endif