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/*
* 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 "BenchTimer.h"
#if defined(SK_BUILD_FOR_WIN32)
#include "BenchSysTimer_windows.h"
#elif defined(SK_BUILD_FOR_MAC)
#include "BenchSysTimer_mach.h"
#elif defined(SK_BUILD_FOR_UNIX) || defined(SK_BUILD_FOR_ANDROID)
#include "BenchSysTimer_posix.h"
#else
#include "BenchSysTimer_c.h"
#endif
#if SK_SUPPORT_GPU
#include "BenchGpuTimer_gl.h"
#endif
BenchTimer::BenchTimer(SkGLContextHelper* gl)
: fCpu(-1.0)
, fWall(-1.0)
, fTruncatedCpu(-1.0)
, fTruncatedWall(-1.0)
, fGpu(-1.0)
{
fSysTimer = new BenchSysTimer();
fTruncatedSysTimer = new BenchSysTimer();
#if SK_SUPPORT_GPU
if (gl) {
fGpuTimer = new BenchGpuTimer(gl);
} else {
fGpuTimer = NULL;
}
#endif
}
BenchTimer::~BenchTimer() {
delete fSysTimer;
delete fTruncatedSysTimer;
#if SK_SUPPORT_GPU
delete fGpuTimer;
#endif
}
void BenchTimer::start(double durationScale) {
fDurationScale = durationScale;
fSysTimer->startWall();
fTruncatedSysTimer->startWall();
#if SK_SUPPORT_GPU
if (fGpuTimer) {
fGpuTimer->startGpu();
}
#endif
fSysTimer->startCpu();
fTruncatedSysTimer->startCpu();
}
void BenchTimer::end() {
fCpu = fSysTimer->endCpu() * fDurationScale;
#if SK_SUPPORT_GPU
//It is important to stop the cpu clocks first,
//as the following will cpu wait for the gpu to finish.
if (fGpuTimer) {
fGpu = fGpuTimer->endGpu() * fDurationScale;
}
#endif
fWall = fSysTimer->endWall() * fDurationScale;
}
void BenchTimer::truncatedEnd() {
fTruncatedCpu = fTruncatedSysTimer->endCpu() * fDurationScale;
fTruncatedWall = fTruncatedSysTimer->endWall() * fDurationScale;
}
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