| OLD | NEW |
|---|
| (Empty) |
| 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 #ifndef Timer_DEFINED | |
| 8 #define Timer_DEFINED | |
| 9 | |
| 10 #include "SkTypes.h" | |
| 11 | |
| 12 #if defined(SK_BUILD_FOR_WIN32) | |
| 13 #include "SysTimer_windows.h" | |
| 14 #elif defined(SK_BUILD_FOR_MAC) | |
| 15 #include "SysTimer_mach.h" | |
| 16 #elif defined(SK_BUILD_FOR_UNIX) || defined(SK_BUILD_FOR_ANDROID) | |
| 17 #include "SysTimer_posix.h" | |
| 18 #endif | |
| 19 | |
| 20 #if SK_SUPPORT_GPU | |
| 21 #include "GpuTimer.h" | |
| 22 #endif | |
| 23 | |
| 24 class SkGLContextHelper; | |
| 25 | |
| 26 /** | |
| 27 * SysTimers and GpuTimers are implemented orthogonally. | |
| 28 * This class combines 2 SysTimers and a GpuTimer into one single, | |
| 29 * platform specific Timer with a simple interface. The truncated | |
| 30 * timer doesn't include the time required for the GPU to finish | |
| 31 * its rendering. It should always be <= the un-truncated system | |
| 32 * times and (for GPU configurations) can be used to roughly (very | |
| 33 * roughly) gauge the GPU load/backlog. | |
| 34 */ | |
| 35 class Timer { | |
| 36 public: | |
| 37 explicit Timer(SkGLContextHelper* gl = NULL); | |
| 38 | |
| 39 void start(); | |
| 40 void truncatedEnd(); | |
| 41 void end(); | |
| 42 | |
| 43 // All times in milliseconds. | |
| 44 double fCpu; | |
| 45 double fWall; | |
| 46 double fTruncatedCpu; | |
| 47 double fTruncatedWall; | |
| 48 double fGpu; | |
| 49 | |
| 50 private: | |
| 51 SysTimer fSysTimer; | |
| 52 SysTimer fTruncatedSysTimer; | |
| 53 #if SK_SUPPORT_GPU | |
| 54 GpuTimer fGpuTimer; | |
| 55 #endif | |
| 56 }; | |
| 57 | |
| 58 // Same as Timer above, supporting only fWall but with much lower overhead. | |
| 59 // (Typically, ~30ns instead of Timer's ~1us.) | |
| 60 class WallTimer { | |
| 61 public: | |
| 62 WallTimer(); | |
| 63 | |
| 64 void start(); | |
| 65 void end(); | |
| 66 | |
| 67 double fWall; // Milliseconds. | |
| 68 | |
| 69 private: | |
| 70 SysTimer fSysTimer; | |
| 71 }; | |
| 72 | |
| 73 #endif | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 346753003:
Revert of Move BenchTimer to tools as Timer (Closed)
Base URL: https://skia.googlesource.com/skia.git@master