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WIN32/OgreTimerImp.h

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00001 /*
00002 -----------------------------------------------------------------------------
00003 This source file is part of OGRE
00004     (Object-oriented Graphics Rendering Engine)
00005 For the latest info, see http://www.ogre3d.org/
00006 
00007 Copyright (c) 2000-2006 Torus Knot Software Ltd
00008 Also see acknowledgements in Readme.html
00009 
00010 This program is free software; you can redistribute it and/or modify it under
00011 the terms of the GNU Lesser General Public License as published by the Free Software
00012 Foundation; either version 2 of the License, or (at your option) any later
00013 version.
00014 
00015 This program is distributed in the hope that it will be useful, but WITHOUT
00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
00018 
00019 You should have received a copy of the GNU Lesser General Public License along with
00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
00022 http://www.gnu.org/copyleft/lesser.txt.
00023 
00024 You may alternatively use this source under the terms of a specific version of
00025 the OGRE Unrestricted License provided you have obtained such a license from
00026 Torus Knot Software Ltd.
00027 -----------------------------------------------------------------------------
00028 */
00029 #ifndef __Win32Timer_H__
00030 #define __Win32Timer_H__
00031 
00032 #ifndef WIN32_LEAN_AND_MEAN
00033 #  define WIN32_LEAN_AND_MEAN
00034 #endif
00035 #include "windows.h"
00036 
00037 //Get around Windows hackery
00038 #ifdef max
00039 #  undef max
00040 #endif
00041 #ifdef min
00042 #  undef min
00043 #endif
00044 
00045 #define FREQUENCY_RESAMPLE_RATE 200
00046 
00047 namespace Ogre
00048 {
00049     class _OgreExport Timer
00050     {
00051     private:
00052         clock_t zeroClock;
00053 
00054         DWORD mStartTick;
00055         LONGLONG mLastTime;
00056         LARGE_INTEGER mStartTime;
00057         LARGE_INTEGER mFrequency;
00058 
00059         DWORD mProcMask;
00060         DWORD mSysMask;
00061 
00062         HANDLE mThread;
00063 
00064         DWORD mQueryCount;
00065     public:
00066         Timer();
00067         ~Timer();
00068 
00070         void reset();
00071 
00073         unsigned long getMilliseconds();
00074 
00076         unsigned long getMicroseconds();
00077 
00079         unsigned long getMillisecondsCPU();
00080 
00082         unsigned long getMicrosecondsCPU();
00083     };
00084 } 
00085 #endif

Copyright © 2000-2005 by The OGRE Team
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Last modified Sun Jun 10 10:35:50 2007