6ae30fbbaf
Reason for revert: broke chromeos 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 TBR=reed@google.com,mtklein@google.com,mtklein@chromium.org NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG=skia: Review URL: https://codereview.chromium.org/1420923003
66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Timer.h"
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Timer::Timer(SkGLContext* gl)
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: fCpu(-1.0)
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, fWall(-1.0)
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, fTruncatedCpu(-1.0)
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, fTruncatedWall(-1.0)
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, fGpu(-1.0)
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#if SK_SUPPORT_GPU
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, fGpuTimer(gl)
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#endif
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{}
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void Timer::start() {
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fSysTimer.startWall();
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fTruncatedSysTimer.startWall();
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#if SK_SUPPORT_GPU
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fGpuTimer.start();
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#endif
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fSysTimer.startCpu();
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fTruncatedSysTimer.startCpu();
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}
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void Timer::end() {
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fCpu = fSysTimer.endCpu();
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#if SK_SUPPORT_GPU
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//It is important to stop the cpu clocks first,
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//as the following will cpu wait for the gpu to finish.
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fGpu = fGpuTimer.end();
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#endif
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fWall = fSysTimer.endWall();
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}
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void Timer::truncatedEnd() {
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fTruncatedCpu = fTruncatedSysTimer.endCpu();
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fTruncatedWall = fTruncatedSysTimer.endWall();
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}
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WallTimer::WallTimer() : fWall(-1.0) {}
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void WallTimer::start() {
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fSysTimer.startWall();
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}
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void WallTimer::end() {
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fWall = fSysTimer.endWall();
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}
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SkString HumanizeMs(double ms) {
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if (ms > 60e+3) return SkStringPrintf("%.3gm", ms/60e+3);
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if (ms > 1e+3) return SkStringPrintf("%.3gs", ms/1e+3);
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if (ms < 1e-3) return SkStringPrintf("%.3gns", ms*1e+6);
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#ifdef SK_BUILD_FOR_WIN
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if (ms < 1) return SkStringPrintf("%.3gus", ms*1e+3);
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#else
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if (ms < 1) return SkStringPrintf("%.3gµs", ms*1e+3);
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#endif
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return SkStringPrintf("%.3gms", ms);
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}
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