osg::Point::Extensions Class Reference

Encapsulates queries of extension availability, obtains extension function pointers, and provides convenience wrappers for calling extension functions. More...

Inheritance diagram for osg::Point::Extensions:

Public Member Functions
	Extensions (unsigned int contextID)
	Extensions (const Extensions &rhs)
void	lowestCommonDenominator (const Extensions &rhs)
void	setupGLExtensions (unsigned int contextID)
void	setPointParametersSupported (bool flag)
bool	isPointParametersSupported () const
void	setPointSpriteCoordOriginSupported (bool flag)
bool	isPointSpriteCoordOriginSupported () const
void	glPointParameteri (GLenum pname, GLint param) const
void	glPointParameterf (GLenum pname, GLfloat param) const
void	glPointParameterfv (GLenum pname, const GLfloat *params) const
Public Member Functions inherited from osg::Referenced
	Referenced ()
	Referenced (bool threadSafeRefUnref)
	Referenced (const Referenced &)
Referenced &	operator= (const Referenced &)
virtual void	setThreadSafeRefUnref (bool threadSafe)
	Set whether to use a mutex to ensure ref() and unref() are thread safe. More...
bool	getThreadSafeRefUnref () const
	Get whether a mutex is used to ensure ref() and unref() are thread safe. More...
OpenThreads::Mutex *	getRefMutex () const
	Get the mutex used to ensure thread safety of ref()/unref(). More...
int	ref () const
	Increment the reference count by one, indicating that this object has another pointer which is referencing it. More...
int	unref () const
	Decrement the reference count by one, indicating that a pointer to this object is no longer referencing it. More...
int	unref_nodelete () const
	Decrement the reference count by one, indicating that a pointer to this object is no longer referencing it. More...
int	referenceCount () const
	Return the number of pointers currently referencing this object. More...
ObserverSet *	getObserverSet () const
	Get the ObserverSet if one is attached, otherwise return NULL. More...
ObserverSet *	getOrCreateObserverSet () const
	Get the ObserverSet if one is attached, otherwise create an ObserverSet, attach it, then return this newly created ObserverSet. More...
void	addObserver (Observer *observer) const
	Add a Observer that is observing this object, notify the Observer when this object gets deleted. More...
void	removeObserver (Observer *observer) const
	Remove Observer that is observing this object. More...

Protected Types
typedef GLint	param
typedef GLfloat	param
typedef const GLfloat *	params

Protected Member Functions
	~Extensions ()
typedef	void (GL_APIENTRY *GLPointParameteriProc)(GLenum pname
typedef	void (GL_APIENTRY *GLPointParameterfProc)(GLenum pname
typedef	void (GL_APIENTRY *GLPointParameterfvProc)(GLenum pname
Protected Member Functions inherited from osg::Referenced
virtual	~Referenced ()
void	signalObserversAndDelete (bool signalDelete, bool doDelete) const
void	deleteUsingDeleteHandler () const

Protected Attributes
bool	_isPointParametersSupported
bool	_isPointSpriteCoordOriginSupported
GLPointParameteriProc	_glPointParameteri
GLPointParameterfProc	_glPointParameterf
GLPointParameterfvProc	_glPointParameterfv
Protected Attributes inherited from osg::Referenced
OpenThreads::AtomicPtr	_observerSet
OpenThreads::Atomic	_refCount

Additional Inherited Members
Static Public Member Functions inherited from osg::Referenced
static OpenThreads::Mutex *	getGlobalReferencedMutex ()
	Get the optional global Referenced mutex, this can be shared between all osg::Referenced. More...
static void	setThreadSafeReferenceCounting (bool enableThreadSafeReferenceCounting)
	Set whether reference counting should use a mutex for thread safe reference counting. More...
static bool	getThreadSafeReferenceCounting ()
	Get whether reference counting is active. More...
static void	setDeleteHandler (DeleteHandler *handler)
	Set a DeleteHandler to which deletion of all referenced counted objects will be delegated. More...
static DeleteHandler *	getDeleteHandler ()
	Get a DeleteHandler. More...

Detailed Description

Encapsulates queries of extension availability, obtains extension function pointers, and provides convenience wrappers for calling extension functions.

Member Typedef Documentation

typedef GLint osg::Point::Extensions::param

protected

typedef GLfloat osg::Point::Extensions::param

protected

typedef const GLfloat* osg::Point::Extensions::params

protected

Constructor & Destructor Documentation

osg::Point::Extensions::Extensions

(

unsigned int

contextID)

osg::Point::Extensions::Extensions

(

const Extensions &

rhs)

osg::Point::Extensions::~Extensions ( )

inlineprotected

Member Function Documentation

void osg::Point::Extensions::glPointParameterf	(	GLenum	pname,
		GLfloat	param
	)		const

void osg::Point::Extensions::glPointParameterfv	(	GLenum	pname,
		const GLfloat *	params
	)		const

void osg::Point::Extensions::glPointParameteri	(	GLenum	pname,
		GLint	param
	)		const

bool osg::Point::Extensions::isPointParametersSupported ( ) const

inline

bool osg::Point::Extensions::isPointSpriteCoordOriginSupported ( ) const

inline

void osg::Point::Extensions::lowestCommonDenominator

(

const Extensions &

rhs)

void osg::Point::Extensions::setPointParametersSupported ( bool  flag)

inline

void osg::Point::Extensions::setPointSpriteCoordOriginSupported ( bool  flag)

inline

void osg::Point::Extensions::setupGLExtensions

(

unsigned int

contextID)

typedef osg::Point::Extensions::void ( GL_APIENTRY *  GLPointParameteriProc)

protected

typedef osg::Point::Extensions::void ( GL_APIENTRY *  GLPointParameterfProc)

protected

typedef osg::Point::Extensions::void ( GL_APIENTRY *  GLPointParameterfvProc)

protected

Member Data Documentation

GLPointParameterfProc osg::Point::Extensions::_glPointParameterf

protected

GLPointParameterfvProc osg::Point::Extensions::_glPointParameterfv

protected

GLPointParameteriProc osg::Point::Extensions::_glPointParameteri

protected

bool osg::Point::Extensions::_isPointParametersSupported

protected

bool osg::Point::Extensions::_isPointSpriteCoordOriginSupported

protected

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

• osg/Point