5a06df4686
Reason for revert: https://codereview.chromium.org/1412453006 Original issue's description: > SkTime::GetNSecs() > > - Move high-precision wall timers from tools/timer to SkTime. > - Implement SkTime::GetMSecs() in terms of SkTime::GetNSecs(). > - Delete unused tools/timer code. > > I have no idea what's going on there in src/animator. > I don't intend to investigate. > > BUG=skia: > > Committed: https://skia.googlesource.com/skia/+/70084cbc16ee8162649f2601377feb6e49de0217 > > CQ_EXTRA_TRYBOTS=client.skia.compile:Build-Ubuntu-GCC-x86_64-Debug-CrOS_Link-Trybot > > Committed: https://skia.googlesource.com/skia/+/a1840d50e29fd95e4df2d1168fe54c34c2a5c30c TBR=caryclark@google.com,reed@google.com,mtklein@chromium.org NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG=skia: Review URL: https://codereview.chromium.org/1417753003
66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
/*
|
|
* Copyright 2011 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
#include "Timer.h"
|
|
|
|
Timer::Timer(SkGLContext* gl)
|
|
: fCpu(-1.0)
|
|
, fWall(-1.0)
|
|
, fTruncatedCpu(-1.0)
|
|
, fTruncatedWall(-1.0)
|
|
, fGpu(-1.0)
|
|
#if SK_SUPPORT_GPU
|
|
, fGpuTimer(gl)
|
|
#endif
|
|
{}
|
|
|
|
void Timer::start() {
|
|
fSysTimer.startWall();
|
|
fTruncatedSysTimer.startWall();
|
|
#if SK_SUPPORT_GPU
|
|
fGpuTimer.start();
|
|
#endif
|
|
fSysTimer.startCpu();
|
|
fTruncatedSysTimer.startCpu();
|
|
}
|
|
|
|
void Timer::end() {
|
|
fCpu = fSysTimer.endCpu();
|
|
#if SK_SUPPORT_GPU
|
|
//It is important to stop the cpu clocks first,
|
|
//as the following will cpu wait for the gpu to finish.
|
|
fGpu = fGpuTimer.end();
|
|
#endif
|
|
fWall = fSysTimer.endWall();
|
|
}
|
|
|
|
void Timer::truncatedEnd() {
|
|
fTruncatedCpu = fTruncatedSysTimer.endCpu();
|
|
fTruncatedWall = fTruncatedSysTimer.endWall();
|
|
}
|
|
|
|
WallTimer::WallTimer() : fWall(-1.0) {}
|
|
|
|
void WallTimer::start() {
|
|
fSysTimer.startWall();
|
|
}
|
|
|
|
void WallTimer::end() {
|
|
fWall = fSysTimer.endWall();
|
|
}
|
|
|
|
SkString HumanizeMs(double ms) {
|
|
if (ms > 60e+3) return SkStringPrintf("%.3gm", ms/60e+3);
|
|
if (ms > 1e+3) return SkStringPrintf("%.3gs", ms/1e+3);
|
|
if (ms < 1e-3) return SkStringPrintf("%.3gns", ms*1e+6);
|
|
#ifdef SK_BUILD_FOR_WIN
|
|
if (ms < 1) return SkStringPrintf("%.3gus", ms*1e+3);
|
|
#else
|
|
if (ms < 1) return SkStringPrintf("%.3gµs", ms*1e+3);
|
|
#endif
|
|
return SkStringPrintf("%.3gms", ms);
|
|
}
|