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Object-Oriented Graphics Rendering Engine
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WIN32/OgreTimerImp.h
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1 /*
2 -----------------------------------------------------------------------------
3 This source file is part of OGRE
4  (Object-oriented Graphics Rendering Engine)
5 For the latest info, see http://www.ogre3d.org/
6 
7 Copyright (c) 2000-2014 Torus Knot Software Ltd
8 
9 Permission is hereby granted, free of charge, to any person obtaining a copy
10 of this software and associated documentation files (the "Software"), to deal
11 in the Software without restriction, including without limitation the rights
12 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 copies of the Software, and to permit persons to whom the Software is
14 furnished to do so, subject to the following conditions:
15 
16 The above copyright notice and this permission notice shall be included in
17 all copies or substantial portions of the Software.
18 
19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 THE SOFTWARE.
26 -----------------------------------------------------------------------------
27 */
28 #ifndef __Win32Timer_H__
29 #define __Win32Timer_H__
30 
31 #ifndef WIN32_LEAN_AND_MEAN
32 # define WIN32_LEAN_AND_MEAN
33 #endif
34 #if !defined(NOMINMAX) && defined(_MSC_VER)
35 # define NOMINMAX // required to stop windows.h messing up std::min
36 #endif
37 #include <windows.h>
38 
39 namespace Ogre
40 {
48  class _OgreExport Timer : public TimerAlloc
49  {
50  private:
51  clock_t mZeroClock;
52 
53  DWORD mStartTick;
54  LONGLONG mLastTime;
55  LARGE_INTEGER mStartTime;
56  LARGE_INTEGER mFrequency;
57 
58 #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
59  DWORD_PTR mTimerMask;
60 #endif
61 #if OGRE_PLATFORM == OGRE_PLATFORM_WINRT
62  DWORD GetTickCount() { return (DWORD)GetTickCount64(); }
63 #endif
64 
65  public:
67  Timer();
68  ~Timer();
69 
90  bool setOption( const String& strKey, const void* pValue );
91 
93  void reset();
94 
96  unsigned long getMilliseconds();
97 
99  unsigned long getMicroseconds();
100 
102  unsigned long getMillisecondsCPU();
103 
105  unsigned long getMicrosecondsCPU();
106  };
109 }
110 #endif
#define _OgreExport
Definition: OgrePlatform.h:255
DWORD GetTickCount()
LARGE_INTEGER mStartTime
DWORD_PTR mTimerMask
GeneralAllocatedObject TimerAlloc
LONGLONG mLastTime
LARGE_INTEGER mFrequency
_StringBase String
Definition: OgreCommon.h:53