108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
/*******************************************************************************
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* timer.cpp
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*
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* ---------------------------------------------------------------------------
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* Persistence of Vision Ray Tracer ('POV-Ray') version 3.7.
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* Copyright 1991-2013 Persistence of Vision Raytracer Pty. Ltd.
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*
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* POV-Ray is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* POV-Ray 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
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* ---------------------------------------------------------------------------
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* POV-Ray is based on the popular DKB raytracer version 2.12.
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* DKBTrace was originally written by David K. Buck.
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* DKBTrace Ver 2.0-2.12 were written by David K. Buck & Aaron A. Collins.
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* ---------------------------------------------------------------------------
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* $File: //depot/public/povray/3.x/source/base/timer.cpp $
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* $Revision: #1 $
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* $Change: 6069 $
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* $DateTime: 2013/11/06 11:59:40 $
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* $Author: chrisc $
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*******************************************************************************/
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// configbase.h must always be the first POV file included within base *.cpp files
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#include "base/configbase.h"
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#include <boost/thread.hpp>
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#ifndef POV_TIMER
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#include "base/timer.h"
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#include "base/types.h"
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// this must be the last file included
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#include "base/povdebug.h"
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namespace pov_base
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{
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TimerDefault::TimerDefault(bool tctime) :
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threadCPUTimeOnly(tctime)
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{
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Reset();
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}
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TimerDefault::~TimerDefault()
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{
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}
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POV_LONG TimerDefault::ElapsedRealTime() const
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{
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boost::xtime t;
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boost::xtime_get(&t, POV_TIME_UTC);
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POV_LONG tt = (POV_LONG)(t.sec) * (POV_LONG)(1000000000) + (POV_LONG)(t.nsec);
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POV_LONG st = (POV_LONG)(realTimeStart.sec) * (POV_LONG)(1000000000) + (POV_LONG)(realTimeStart.nsec);
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return ((tt - st) / (POV_LONG)(1000000));
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}
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POV_LONG TimerDefault::ElapsedCPUTime() const
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{
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boost::xtime t;
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boost::xtime_get(&t, POV_TIME_UTC);
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POV_LONG tt = (POV_LONG)(t.sec) * (POV_LONG)(1000000000) + (POV_LONG)(t.nsec);
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POV_LONG st = (POV_LONG)(cpuTimeStart.sec) * (POV_LONG)(1000000000) + (POV_LONG)(cpuTimeStart.nsec);
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return ((tt - st) / (POV_LONG)(1000000));
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}
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bool TimerDefault::HasValidCPUTime() const
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{
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return false;
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}
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void TimerDefault::Reset()
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{
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boost::xtime_get(&realTimeStart, POV_TIME_UTC);
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boost::xtime_get(&cpuTimeStart, POV_TIME_UTC);
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}
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}
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#endif
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#ifndef POV_DELAY_IMPLEMENTED
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namespace pov_base
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{
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void Delay(unsigned int msec)
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{
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boost::xtime t;
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boost::xtime_get(&t, POV_TIME_UTC);
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POV_ULONG ns = (POV_ULONG)(t.sec) * (POV_ULONG)(1000000000) + (POV_ULONG)(t.nsec) + (POV_ULONG)(msec) * (POV_ULONG)(1000000);
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t.sec = (boost::xtime::xtime_sec_t)(ns / (POV_ULONG)(1000000000));
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t.nsec = (boost::xtime::xtime_nsec_t)(ns % (POV_ULONG)(1000000000));
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boost::thread::sleep(t);
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}
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}
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#endif
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