mtklein | 9ac68ee | 2014-06-20 11:29:20 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2011 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | #include "Timer.h" |
| 8 | |
| 9 | Timer::Timer(SkGLContextHelper* gl) |
| 10 | : fCpu(-1.0) |
| 11 | , fWall(-1.0) |
| 12 | , fTruncatedCpu(-1.0) |
| 13 | , fTruncatedWall(-1.0) |
| 14 | , fGpu(-1.0) |
| 15 | #if SK_SUPPORT_GPU |
| 16 | , fGpuTimer(gl) |
| 17 | #endif |
| 18 | {} |
| 19 | |
| 20 | void Timer::start() { |
| 21 | fSysTimer.startWall(); |
| 22 | fTruncatedSysTimer.startWall(); |
| 23 | #if SK_SUPPORT_GPU |
| 24 | fGpuTimer.start(); |
| 25 | #endif |
| 26 | fSysTimer.startCpu(); |
| 27 | fTruncatedSysTimer.startCpu(); |
| 28 | } |
| 29 | |
| 30 | void Timer::end() { |
| 31 | fCpu = fSysTimer.endCpu(); |
| 32 | #if SK_SUPPORT_GPU |
| 33 | //It is important to stop the cpu clocks first, |
| 34 | //as the following will cpu wait for the gpu to finish. |
| 35 | fGpu = fGpuTimer.end(); |
| 36 | #endif |
| 37 | fWall = fSysTimer.endWall(); |
| 38 | } |
| 39 | |
| 40 | void Timer::truncatedEnd() { |
| 41 | fTruncatedCpu = fTruncatedSysTimer.endCpu(); |
| 42 | fTruncatedWall = fTruncatedSysTimer.endWall(); |
| 43 | } |
| 44 | |
| 45 | WallTimer::WallTimer() : fWall(-1.0) {} |
| 46 | |
| 47 | void WallTimer::start() { |
| 48 | fSysTimer.startWall(); |
| 49 | } |
| 50 | |
| 51 | void WallTimer::end() { |
| 52 | fWall = fSysTimer.endWall(); |
| 53 | } |