TGLStopwatch Class Reference

Stopwatch object for timing GL work.

We do not use the TStopwatch as we need to perform GL flushing to get accurate times + we record timing overheads here.

Definition at line 34 of file TGLStopwatch.h.

Public Member Functions
	TGLStopwatch ()
	Construct stopwatch object. More...
virtual	~TGLStopwatch ()
	Destroy stopwatch object. More...
void	Start ()
	Start timing. More...
Double_t	Lap () const
	Return lap time since Start(), in milliseconds. More...
Double_t	End ()
	End timing, return total time since Start(), in milliseconds. More...
Double_t	LastRun () const

Private Member Functions
Double_t	GetClock (void) const
	time of last run (milisec) More...

Private Attributes
Double_t	fStart
Double_t	fEnd
	start time (millisec) More...
Double_t	fLastRun
	end time (millisec) More...

#include <TGLStopwatch.h>

Constructor & Destructor Documentation

TGLStopwatch::TGLStopwatch

(

)

Construct stopwatch object.

Definition at line 33 of file TGLStopwatch.cxx.

TGLStopwatch::~TGLStopwatch ( )

virtual

Destroy stopwatch object.

Definition at line 40 of file TGLStopwatch.cxx.

Member Function Documentation

Double_t TGLStopwatch::End

(

)

End timing, return total time since Start(), in milliseconds.

Definition at line 69 of file TGLStopwatch.cxx.

Referenced by TGLScenePad::BeginScene(), TGLViewer::DoDraw(), and TGLRnrCtx::StopStopwatch().

Double_t TGLStopwatch::GetClock ( void  ) const

private

time of last run (milisec)

Get internal clock time, in milliseconds.

Definition at line 83 of file TGLStopwatch.cxx.

Referenced by End(), Lap(), and Start().

Double_t TGLStopwatch::Lap

(

)

const

Return lap time since Start(), in milliseconds.

Definition at line 57 of file TGLStopwatch.cxx.

Referenced by TGLRnrCtx::HasStopwatchTimedOut().

Double_t TGLStopwatch::LastRun ( ) const

inline

Definition at line 52 of file TGLStopwatch.h.

void TGLStopwatch::Start

(

)

Start timing.

Definition at line 47 of file TGLStopwatch.cxx.

Referenced by TGLScenePad::BeginScene(), TGLViewer::DoDraw(), and TGLRnrCtx::StartStopwatch().

Member Data Documentation

Double_t TGLStopwatch::fEnd

private

start time (millisec)

Definition at line 39 of file TGLStopwatch.h.

Referenced by End(), and Start().

Double_t TGLStopwatch::fLastRun

private

end time (millisec)

Definition at line 40 of file TGLStopwatch.h.

Referenced by End(), and LastRun().

Double_t TGLStopwatch::fStart

private

Definition at line 38 of file TGLStopwatch.h.

Referenced by End(), Lap(), and Start().

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The documentation for this class was generated from the following files:

• graf3d/gl/inc/TGLStopwatch.h
• graf3d/gl/src/TGLStopwatch.cxx