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 inline int64 GetFrequency() 31 { 32 MW_LARGE_INTEGER frequency; 33 QueryPerformanceFrequency(&frequency); 34 return frequency.QuadPart; 35 } 36 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 37 inline int64 GetTimeMilliSeconds() 38 { 39 MW_LARGE_INTEGER largeInteger; 40 QueryPerformanceCounter( &largeInteger ); 41 return ( largeInteger.QuadPart * int64(1000) ) / GetFrequency(); 42 } 43 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 44 inline int64 GetTimeMicroSeconds() 45 { 46 MW_LARGE_INTEGER largeInteger; 47 QueryPerformanceCounter( &largeInteger ); 48 return ( largeInteger.QuadPart * int64(1000000) ) / GetFrequency(); 49 } 50 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 51 } 52 53 54 #endif