osg::Timer Class Reference

#include <Timer>

Public Member Functions
	Timer ()
	~Timer ()
Timer_t	tick () const
void	setStartTick ()
void	setStartTick (Timer_t t)
Timer_t	getStartTick () const
double	time_s () const
double	time_m () const
double	time_u () const
double	time_n () const
double	delta_s (Timer_t t1, Timer_t t2) const
double	delta_m (Timer_t t1, Timer_t t2) const
double	delta_u (Timer_t t1, Timer_t t2) const
double	delta_n (Timer_t t1, Timer_t t2) const
double	getSecondsPerTick () const

Static Public Member Functions
static Timer *	instance ()

Protected Attributes
Timer_t	_startTick
double	_secsPerTick

Detailed Description

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

Constructor & Destructor Documentation

Timer()

osg::Timer::Timer

(

)

Referenced by instance().

~Timer()

osg::Timer::~Timer ( )

inline

Member Function Documentation

delta_m()

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

inline

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

References delta_s().

Referenced by time_m().

delta_n()

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

inline

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

References delta_s().

Referenced by time_n().

delta_s()

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

inline

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

References _secsPerTick.

Referenced by delta_m(), delta_n(), delta_u(), osg::State::getGpuTime(), osgGA::EventQueue::getTime(), osg::GraphicsContext::getTimeSinceLastClear(), and time_s().

delta_u()

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

inline

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

References delta_s().

Referenced by time_u().

getSecondsPerTick()

double osg::Timer::getSecondsPerTick ( ) const

inline

Get the number of seconds per tick.

References _secsPerTick.

getStartTick()

Timer_t osg::Timer::getStartTick ( ) const

inline

References _startTick.

instance()

Timer * osg::Timer::instance ( )

static

References Timer().

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

setStartTick() [1/2]

void osg::Timer::setStartTick ( )

inline

Set the start.

References _startTick, and tick().

setStartTick() [2/2]

void osg::Timer::setStartTick ( Timer_t t )

inline

References _startTick.

tick()

Timer_t osg::Timer::tick

(

)

const

Get the timers tick value.

Referenced by setStartTick(), time_m(), time_n(), time_s(), and time_u().

time_m()

double osg::Timer::time_m ( ) const

inline

Get elapsed time in milliseconds.

References _startTick, delta_m(), and tick().

time_n()

double osg::Timer::time_n ( ) const

inline

Get elapsed time in nanoseconds.

References _startTick, delta_n(), and tick().

time_s()

double osg::Timer::time_s ( ) const

inline

Get elapsed time in seconds.

References _startTick, delta_s(), and tick().

time_u()

double osg::Timer::time_u ( ) const

inline

Get elapsed time in microseconds.

References _startTick, delta_u(), and tick().

Member Data Documentation

_secsPerTick

double osg::Timer::_secsPerTick

protected

Referenced by delta_s(), and getSecondsPerTick().

_startTick

Timer_t osg::Timer::_startTick

protected

Referenced by getStartTick(), setStartTick(), setStartTick(), time_m(), time_n(), time_s(), and time_u().

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

• Timer