source: GTP/trunk/App/Demos/Geom/OgreStuff/include/OgreTimer.h @ 1812

Revision 1812, 2.3 KB checked in by gumbau, 18 years ago (diff)
Line 
1/*
2-----------------------------------------------------------------------------
3This source file is part of OGRE
4    (Object-oriented Graphics Rendering Engine)
5For the latest info, see http://www.ogre3d.org/
6
7Copyright (c) 2000-2005 The OGRE Team
8Also see acknowledgements in Readme.html
9
10This program is free software; you can redistribute it and/or modify it under
11the terms of the GNU Lesser General Public License as published by the Free Software
12Foundation; either version 2 of the License, or (at your option) any later
13version.
14
15This program is distributed in the hope that it will be useful, but WITHOUT
16ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
18
19You should have received a copy of the GNU Lesser General Public License along with
20this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21Place - Suite 330, Boston, MA 02111-1307, USA, or go to
22http://www.gnu.org/copyleft/lesser.txt.
23-----------------------------------------------------------------------------
24*/
25#ifndef __Timer_H__
26#define __Timer_H__
27
28#include "OgrePrerequisites.h"
29
30namespace Ogre
31{
32    /** Platform-independent Timer class.
33    @remarks
34        You should never create a Timer instance manually; instead, use PlatformManager::createTimer.
35    */
36    class _OgreExport Timer
37        {
38        protected:     
39                clock_t zeroClock ;
40       
41        public:
42                /** Creates a timer.
43        @remarks
44            You must call reset() after creating it; the constructor cannot do it because the
45            call would not be polymorphic.
46                */
47                Timer() ;
48        virtual ~Timer() { }
49               
50                /** Resets timer
51                */
52                virtual void reset();
53               
54                /** Returns milliseconds since initialisation or last reset
55                */
56                virtual unsigned long getMilliseconds() ;
57               
58                /** Returns milliseconds since initialisation or last reset, only CPU time measured
59                */     
60                virtual unsigned long getMillisecondsCPU();
61               
62                /** Returns microseconds since initialisation or last reset
63                */
64                virtual unsigned long getMicroseconds() ;
65               
66                /** Returns microseconds since initialisation or last reset, only CPU time measured
67                */     
68                virtual unsigned long getMicrosecondsCPU();
69        } ;
70}
71#endif
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