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https://github.com/TES3MP/openmw-tes3mp.git
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59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
//
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// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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// 2. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
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//
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#include "PerfTimer.h"
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#if defined(WIN32)
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// Win32
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#include <windows.h>
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TimeVal getPerfTime()
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{
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__int64 count;
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QueryPerformanceCounter((LARGE_INTEGER*)&count);
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return count;
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}
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int getPerfTimeUsec(const TimeVal duration)
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{
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static __int64 freq = 0;
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if (freq == 0)
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QueryPerformanceFrequency((LARGE_INTEGER*)&freq);
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return (int)(duration*1000000 / freq);
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}
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#else
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// Linux, BSD, OSX
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#include <sys/time.h>
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TimeVal getPerfTime()
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{
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timeval now;
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gettimeofday(&now, 0);
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return (TimeVal)now.tv_sec*1000000L + (TimeVal)now.tv_usec;
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}
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int getPerfTimeUsec(const TimeVal duration)
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{
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return (int)duration;
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}
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#endif
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