mtklein | 9e64b78 | 2014-06-20 10:43:07 -0700 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2011 Google Inc. |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
| 8 | #include "BenchTimer.h" |
| 9 | #if defined(SK_BUILD_FOR_WIN32) |
| 10 | #include "BenchSysTimer_windows.h" |
| 11 | #elif defined(SK_BUILD_FOR_MAC) |
| 12 | #include "BenchSysTimer_mach.h" |
| 13 | #elif defined(SK_BUILD_FOR_UNIX) || defined(SK_BUILD_FOR_ANDROID) |
| 14 | #include "BenchSysTimer_posix.h" |
| 15 | #else |
| 16 | #include "BenchSysTimer_c.h" |
| 17 | #endif |
| 18 | |
| 19 | #if SK_SUPPORT_GPU |
| 20 | #include "BenchGpuTimer_gl.h" |
| 21 | #endif |
| 22 | |
| 23 | BenchTimer::BenchTimer(SkGLContextHelper* gl) |
| 24 | : fCpu(-1.0) |
| 25 | , fWall(-1.0) |
| 26 | , fTruncatedCpu(-1.0) |
| 27 | , fTruncatedWall(-1.0) |
| 28 | , fGpu(-1.0) |
| 29 | { |
| 30 | fSysTimer = new BenchSysTimer(); |
| 31 | fTruncatedSysTimer = new BenchSysTimer(); |
| 32 | #if SK_SUPPORT_GPU |
| 33 | if (gl) { |
| 34 | fGpuTimer = new BenchGpuTimer(gl); |
| 35 | } else { |
| 36 | fGpuTimer = NULL; |
| 37 | } |
| 38 | #endif |
| 39 | } |
| 40 | |
| 41 | BenchTimer::~BenchTimer() { |
| 42 | delete fSysTimer; |
| 43 | delete fTruncatedSysTimer; |
| 44 | #if SK_SUPPORT_GPU |
| 45 | delete fGpuTimer; |
| 46 | #endif |
| 47 | } |
| 48 | |
| 49 | void BenchTimer::start(double durationScale) { |
| 50 | fDurationScale = durationScale; |
| 51 | |
| 52 | fSysTimer->startWall(); |
| 53 | fTruncatedSysTimer->startWall(); |
| 54 | #if SK_SUPPORT_GPU |
| 55 | if (fGpuTimer) { |
| 56 | fGpuTimer->startGpu(); |
| 57 | } |
| 58 | #endif |
| 59 | fSysTimer->startCpu(); |
| 60 | fTruncatedSysTimer->startCpu(); |
| 61 | } |
| 62 | |
| 63 | void BenchTimer::end() { |
| 64 | fCpu = fSysTimer->endCpu() * fDurationScale; |
| 65 | #if SK_SUPPORT_GPU |
| 66 | //It is important to stop the cpu clocks first, |
| 67 | //as the following will cpu wait for the gpu to finish. |
| 68 | if (fGpuTimer) { |
| 69 | fGpu = fGpuTimer->endGpu() * fDurationScale; |
| 70 | } |
| 71 | #endif |
| 72 | fWall = fSysTimer->endWall() * fDurationScale; |
| 73 | } |
| 74 | |
| 75 | void BenchTimer::truncatedEnd() { |
| 76 | fTruncatedCpu = fTruncatedSysTimer->endCpu() * fDurationScale; |
| 77 | fTruncatedWall = fTruncatedSysTimer->endWall() * fDurationScale; |
| 78 | } |
| 79 | |
| 80 | WallTimer::WallTimer() : fWall(-1.0), fSysTimer(new BenchSysTimer) {} |
| 81 | |
| 82 | WallTimer::~WallTimer() { |
| 83 | delete fSysTimer; |
| 84 | } |
| 85 | |
| 86 | void WallTimer::start(double durationScale) { |
| 87 | fDurationScale = durationScale; |
| 88 | fSysTimer->startWall(); |
| 89 | } |
| 90 | |
| 91 | void WallTimer::end() { |
| 92 | fWall = fSysTimer->endWall() * fDurationScale; |
| 93 | } |
| 94 | |