| Geoff Lang | 49be2ad | 2014-02-28 18:05:51 | [diff] [blame] | 1 | // |
| Shahbaz Youssefi | f0dd087 | 2019-08-23 19:45:34 | [diff] [blame] | 2 | // Copyright 2019 The ANGLE Project Authors. All rights reserved. |
| Geoff Lang | 49be2ad | 2014-02-28 18:05:51 | [diff] [blame] | 3 | // Use of this source code is governed by a BSD-style license that can be |
| 4 | // found in the LICENSE file. |
| 5 | // |
| 6 | |
| 7 | #ifndef SAMPLE_UTIL_TIMER_H |
| 8 | #define SAMPLE_UTIL_TIMER_H |
| 9 | |
| Jamie Madill | 9190f49 | 2019-12-16 21:03:57 | [diff] [blame] | 10 | class Timer final |
| Geoff Lang | 49be2ad | 2014-02-28 18:05:51 | [diff] [blame] | 11 | { |
| 12 | public: |
| Shahbaz Youssefi | f0dd087 | 2019-08-23 19:45:34 | [diff] [blame] | 13 | Timer(); |
| 14 | ~Timer() {} |
| Shahbaz Youssefi | 479918d | 2018-10-22 15:53:51 | [diff] [blame] | 15 | |
| Lingfeng Yang | e9f9fa1 | 2021-11-10 02:13:15 | [diff] [blame] | 16 | // Use start() and stop() to record the duration and use getElapsedWallClockTime() to query that |
| 17 | // duration. If getElapsedWallClockTime() is called in between, it will report the elapsed time |
| 18 | // since start(). |
| Shahbaz Youssefi | f0dd087 | 2019-08-23 19:45:34 | [diff] [blame] | 19 | void start(); |
| 20 | void stop(); |
| Lingfeng Yang | e9f9fa1 | 2021-11-10 02:13:15 | [diff] [blame] | 21 | double getElapsedWallClockTime() const; |
| 22 | double getElapsedCpuTime() const; |
| Shahbaz Youssefi | 479918d | 2018-10-22 15:53:51 | [diff] [blame] | 23 | |
| Shahbaz Youssefi | f0dd087 | 2019-08-23 19:45:34 | [diff] [blame] | 24 | private: |
| 25 | bool mRunning; |
| 26 | double mStartTime; |
| 27 | double mStopTime; |
| Lingfeng Yang | e9f9fa1 | 2021-11-10 02:13:15 | [diff] [blame] | 28 | double mStartCpuTime; |
| 29 | double mStopCpuTime; |
| Geoff Lang | 49be2ad | 2014-02-28 18:05:51 | [diff] [blame] | 30 | }; |
| 31 | |
| Jamie Madill | ba319ba | 2018-12-29 15:29:33 | [diff] [blame] | 32 | #endif // SAMPLE_UTIL_TIMER_H |