mirror of
https://github.com/1dot13/source.git
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Wanne
be95a2a7b1
git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@4447 3b4a5df2-a311-0410-b5c6-a8a6f20db521
94 lines
2.2 KiB
C++
94 lines
2.2 KiB
C++
/*
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* bfVFS : vfs/Tools/vfs_hp_timer.cpp
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* - high performance/precision timer, used by profiler
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*
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* Copyright (C) 2008 - 2010 (BF) john.bf.smith@googlemail.com
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*
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* This file is part of the bfVFS library
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <vfs/Tools/vfs_hp_timer.h>
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vfs::HPTimer::HPTimer() : is_running(false)
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{
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#ifdef WIN32
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QueryPerformanceFrequency(&ticksPerSecond);
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#endif
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}
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vfs::HPTimer::~HPTimer()
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{
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}
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void vfs::HPTimer::startTimer()
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{
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#ifdef WIN32
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QueryPerformanceCounter(&tick);
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#elif __linux__
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gettimeofday(&t1,0);
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#endif
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is_running = true;
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}
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long long vfs::HPTimer::ticks()
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{
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if(is_running)
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{
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#ifdef WIN32
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QueryPerformanceCounter(&tick2);
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return tick2.QuadPart - tick.QuadPart;
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#elif __linux__
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gettimeofday(&t2,0);
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return t2.tv_usec - t1.tv_usec;
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#endif
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}
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return 0;
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}
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double vfs::HPTimer::running()
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{
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if(is_running)
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{
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#ifdef WIN32
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QueryPerformanceCounter(&tick2);
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return (double)(tick2.QuadPart - tick.QuadPart)/(double)ticksPerSecond.QuadPart;
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#elif __linux__
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gettimeofday(&t2,0);
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return (double)(t2.tv_usec - t1.tv_usec)/1000000.0;
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#endif
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}
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return 0;
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}
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void vfs::HPTimer::stopTimer()
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{
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#ifdef WIN32
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QueryPerformanceCounter(&tick2);
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#elif __linux__
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gettimeofday(&t2,0);
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#endif
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is_running = false;
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}
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double vfs::HPTimer::getElapsedTimeInSeconds()
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{
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#ifdef WIN32
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return (double)(tick2.QuadPart - tick.QuadPart)/(double)ticksPerSecond.QuadPart;
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#elif __linux__
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return (double)(t2.tv_usec - t1.tv_usec)/1000000.0;
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#endif
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}
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