skia2/bench/BenchTimer.h
robertphillips@google.com 91ee3a11ed Added second "truncated" cpu/wall timer to bench
http://codereview.appspot.com/6476064/

This CL will increase the bench baselines across the board



git-svn-id: http://skia.googlecode.com/svn/trunk@5305 2bbb7eff-a529-9590-31e7-b0007b416f81
2012-08-28 12:18:40 +00:00

50 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.
*/
#ifndef SkBenchTimer_DEFINED
#define SkBenchTimer_DEFINED
#include <SkTypes.h>
class BenchSysTimer;
class BenchGpuTimer;
class SkGLContext;
/**
* SysTimers and GpuTimers are implemented orthogonally.
* This class combines 2 SysTimers and a GpuTimer into one single,
* platform specific Timer with a simple interface. The truncated
* timer doesn't include the time required for the GPU to finish
* its rendering. It should always be <= the un-truncated system
* times and (for GPU configurations) can be used to roughly (very
* roughly) gauge the GPU load/backlog.
*/
class BenchTimer {
public:
BenchTimer(SkGLContext* gl = NULL);
~BenchTimer();
void start();
void end();
void truncatedEnd();
double fCpu;
double fWall;
double fTruncatedCpu;
double fTruncatedWall;
double fGpu;
private:
BenchSysTimer *fSysTimer;
BenchSysTimer *fTruncatedSysTimer;
#if SK_SUPPORT_GPU
BenchGpuTimer *fGpuTimer;
#endif
};
#endif