osg::Timer Class Reference

Timer class is used for measuring elapsed time or time between two points. More...

List of all members.

Public Member Functions
	Timer ()
	~Timer ()
Timer_t	tick () const
	Get the timers tick value.
void	setStartTick ()
	Set the start.
void	setStartTick (Timer_t t)
Timer_t	getStartTick () const
double	time_s () const
	Get elapsed time in seconds.
double	time_m () const
	Get elapsed time in milliseconds.
double	time_u () const
	Get elapsed time in microseconds.
double	time_n () const
	Get elapsed time in nanoseconds.
double	delta_s (Timer_t t1, Timer_t t2) const
	Get the time in seconds between timer ticks t1 and t2.
double	delta_m (Timer_t t1, Timer_t t2) const
	Get the time in milliseconds between timer ticks t1 and t2.
double	delta_u (Timer_t t1, Timer_t t2) const
	Get the time in microseconds between timer ticks t1 and t2.
double	delta_n (Timer_t t1, Timer_t t2) const
	Get the time in nanoseconds between timer ticks t1 and t2.
double	getSecondsPerTick () const
	Get the the number of seconds per tick.
Static Public Member Functions
static Timer *	instance ()
Protected Attributes
Timer_t	_startTick
double	_secsPerTick

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Detailed Description

Timer class is used for measuring elapsed time or time between two points.

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Constructor & Destructor Documentation

osg::Timer::Timer

(

)

osg::Timer::~Timer

(

)

[inline]

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Member Function Documentation

double osg::Timer::delta_m	(	Timer_t	t1,
		Timer_t	t2
	)		const [inline]

Get the time in milliseconds between timer ticks t1 and t2.

Referenced by osg::ElapsedTime::elapsedTime_m().

double osg::Timer::delta_n	(	Timer_t	t1,
		Timer_t	t2
	)		const [inline]

Get the time in nanoseconds between timer ticks t1 and t2.

Referenced by osg::ElapsedTime::elapsedTime_n().

double osg::Timer::delta_s	(	Timer_t	t1,
		Timer_t	t2
	)		const [inline]

Get the time in seconds between timer ticks t1 and t2.

Referenced by osg::ElapsedTime::elapsedTime(), osg::ElapsedTime::finish(), osg::State::getGpuTime(), osgGA::EventQueue::getTime(), and osg::GraphicsContext::getTimeSinceLastClear().

double osg::Timer::delta_u	(	Timer_t	t1,
		Timer_t	t2
	)		const [inline]

Get the time in microseconds between timer ticks t1 and t2.

Referenced by osg::ElapsedTime::elapsedTime_u().

double osg::Timer::getSecondsPerTick

(

)

const [inline]

Get the the number of seconds per tick.

Timer_t osg::Timer::getStartTick

(

)

const [inline]

static Timer* osg::Timer::instance

(

)

[static]

Referenced by osg::State::getGpuTime(), osgGA::EventQueue::getTime(), osg::GraphicsContext::getTimeSinceLastClear(), and osg::ElapsedTime::init().

void osg::Timer::setStartTick

(

)

[inline]

Set the start.

void osg::Timer::setStartTick

(

Timer_t

t

)

[inline]

Timer_t osg::Timer::tick

(

)

const

Get the timers tick value.

Referenced by osg::ElapsedTime::elapsedTime(), osg::ElapsedTime::elapsedTime_m(), osg::ElapsedTime::elapsedTime_n(), osg::ElapsedTime::elapsedTime_u(), osg::ElapsedTime::finish(), osg::ElapsedTime::init(), and osg::ElapsedTime::reset().

double osg::Timer::time_m

(

)

const [inline]

Get elapsed time in milliseconds.

double osg::Timer::time_n

(

)

const [inline]

Get elapsed time in nanoseconds.

double osg::Timer::time_s

(

)

const [inline]

Get elapsed time in seconds.

double osg::Timer::time_u

(

)

const [inline]

Get elapsed time in microseconds.

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Member Data Documentation

double osg::Timer::_secsPerTick [protected]

Timer_t osg::Timer::_startTick [protected]

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

• osg/Timer