skia2/tools/timer/Timer.cpp
mtklein 4ed75287ae Move BenchTimer to tools as Timer
This breaks a bunch of circular dependencies between tools and gm and bench.

BUG=skia:
R=tfarina@chromium.org, mtklein@google.com

Author: mtklein@chromium.org

Review URL: https://codereview.chromium.org/344213003
2014-06-20 10:31:49 -07:00

54 lines
1.1 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(SkGLContextHelper* 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();
}