skia2/bench/BenchTimer.cpp

56 lines
1.2 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 "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)
#include "BenchSysTimer_posix.h"
#else
#include "BenchSysTimer_c.h"
#endif
#include "BenchGpuTimer_gl.h"
BenchTimer::BenchTimer(SkGLContext* gl)
: fCpu(-1.0)
, fWall(-1.0)
, fGpu(-1.0)
{
fSysTimer = new BenchSysTimer();
if (gl) {
fGpuTimer = new BenchGpuTimer(gl);
} else {
fGpuTimer = NULL;
}
}
BenchTimer::~BenchTimer() {
delete fSysTimer;
delete fGpuTimer;
}
void BenchTimer::start() {
fSysTimer->startWall();
if (fGpuTimer) {
fGpuTimer->startGpu();
}
fSysTimer->startCpu();
}
void BenchTimer::end() {
fCpu = fSysTimer->endCpu();
//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();
}
fWall = fSysTimer->endWall();
}