1 // The MIT License (MIT)
2 //
3 // 	Copyright (c) 2015 Sergey Makeev, Vadim Slyusarev
4 //
5 // 	Permission is hereby granted, free of charge, to any person obtaining a copy
6 // 	of this software and associated documentation files (the "Software"), to deal
7 // 	in the Software without restriction, including without limitation the rights
8 // 	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 // 	copies of the Software, and to permit persons to whom the Software is
10 // 	furnished to do so, subject to the following conditions:
11 //
12 //  The above copyright notice and this permission notice shall be included in
13 // 	all copies or substantial portions of the Software.
14 //
15 // 	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 // 	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 // 	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 // 	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 // 	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 // 	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 // 	THE SOFTWARE.
22 #pragma once
23 
24 #ifndef __MT_UTILS__
25 #define __MT_UTILS__
26 
27 namespace MT
28 {
29 
30 	////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
GetHighFrequencyTime()31 	inline int64 GetHighFrequencyTime()
32 	{
33 		MW_LARGE_INTEGER largeInteger;
34 		QueryPerformanceCounter( &largeInteger );
35 		return largeInteger.QuadPart;
36 	}
37 
38 	////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
GetFrequency()39 	inline int64 GetFrequency()
40 	{
41 		MW_LARGE_INTEGER frequency;
42 		QueryPerformanceFrequency(&frequency);
43 		return frequency.QuadPart;
44 	}
45 
46 	////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
GetTimeMilliSeconds()47 	inline int64 GetTimeMilliSeconds()
48 	{
49 		MW_LARGE_INTEGER largeInteger;
50 		QueryPerformanceCounter( &largeInteger );
51 		return ( largeInteger.QuadPart * int64(1000) ) / GetFrequency();
52 	}
53 
54 	////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
GetTimeMicroSeconds()55 	inline int64 GetTimeMicroSeconds()
56 	{
57 		MW_LARGE_INTEGER largeInteger;
58 		QueryPerformanceCounter( &largeInteger );
59 		return ( largeInteger.QuadPart * int64(1000000) ) / GetFrequency();
60 	}
61 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 }
63 
64 
65 #endif
66