makVrv::DtSharedDrawElementsUInt Class Reference

This is a utility class used to allow sharing of index buffers while allowing for unique start and count, and mode parameters for rendering. More...

Inheritance diagram for makVrv::DtSharedDrawElementsUInt:

List of all members.

Public Member Functions
	DtSharedDrawElementsUInt (GLenum mode, osg::DrawElementsUInt *indices)
	DtSharedDrawElementsUInt (const DtSharedDrawElementsUInt &copy, const osg::CopyOp &copyop)
void	setIndexBounds (unsigned int start, unsigned int count)
	Set the index bounds.
virtual osg::Object *	cloneType () const
	All of the remaining functions are simply necessary to implement the DrawElements API forwarded to the indices member.
virtual osg::Object *	clone (const osg::CopyOp &copyop) const
virtual bool	isSameKindAs (const osg::Object *obj) const
virtual const char *	libraryName () const
virtual const char *	className () const
virtual const GLvoid *	getDataPointer () const
virtual unsigned int	getTotalDataSize () const
virtual bool	supportsBufferObject () const
virtual osg::DrawElements *	getDrawElements ()
virtual const osg::DrawElements *	getDrawElements () const
void	setNumInstances (int n)
int	getNumInstances () const
void	setMode (GLenum mode)
GLenum	getMode () const
virtual void	accept (osg::PrimitiveFunctor &functor) const
virtual void	accept (osg::PrimitiveIndexFunctor &functor) const
virtual unsigned int	index (unsigned int pos) const
virtual unsigned int	getNumIndices () const
virtual void	offsetIndices (int offset)
virtual unsigned int	getNumPrimitives () const
*virtual void	dirty ()
	Dirty the primitive, which increments the modified count, to force buffer objects to update.
void	setModifiedCount (unsigned int value)
	Set the modified count value.
unsigned int	getModifiedCount () const
	Get modified count value.
virtual void	resizeGLObjectBuffers (unsigned int maxSize)
	Resize any per context GLObject buffers to specified size.
virtual void	releaseGLObjects (osg::State *state=0) const
	If State is non-zero, this function releases OpenGL objects for the specified graphics context.
virtual void	computeRange () const
virtual void	draw (osg::State &state, bool useVertexBufferObjects) const
	Draw override.
Protected Attributes
osg::ref_ptr < osg::DrawElementsUInt >	myIndices
unsigned int	myStartIndex
unsigned int	myCount

---

Detailed Description

This is a utility class used to allow sharing of index buffers while allowing for unique start and count, and mode parameters for rendering.

---

Constructor & Destructor Documentation

makVrv::DtSharedDrawElementsUInt::DtSharedDrawElementsUInt	(	GLenum	mode,
		osg::DrawElementsUInt *	indices
	)

makVrv::DtSharedDrawElementsUInt::DtSharedDrawElementsUInt	(	const DtSharedDrawElementsUInt &	copy,
		const osg::CopyOp &	copyop
	)

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Member Function Documentation

void makVrv::DtSharedDrawElementsUInt::setIndexBounds	(	unsigned int	start,
		unsigned int	count
	)

Set the index bounds.

This allows for independent start and sizes of elements while still sharing the same buffer.

virtual osg::Object* makVrv::DtSharedDrawElementsUInt::cloneType

(

)

const [inline, virtual]

All of the remaining functions are simply necessary to implement the DrawElements API forwarded to the indices member.

virtual osg::Object* makVrv::DtSharedDrawElementsUInt::clone

(

const osg::CopyOp &

copyop

)

const [inline, virtual]

virtual bool makVrv::DtSharedDrawElementsUInt::isSameKindAs

(

const osg::Object *

obj

)

const [inline, virtual]

virtual const char* makVrv::DtSharedDrawElementsUInt::libraryName

(

)

const [inline, virtual]

virtual const char* makVrv::DtSharedDrawElementsUInt::className

(

)

const [inline, virtual]

virtual const GLvoid* makVrv::DtSharedDrawElementsUInt::getDataPointer

(

)

const [virtual]

virtual unsigned int makVrv::DtSharedDrawElementsUInt::getTotalDataSize

(

)

const [virtual]

virtual bool makVrv::DtSharedDrawElementsUInt::supportsBufferObject

(

)

const [virtual]

virtual osg::DrawElements* makVrv::DtSharedDrawElementsUInt::getDrawElements

(

)

[virtual]

virtual const osg::DrawElements* makVrv::DtSharedDrawElementsUInt::getDrawElements

(

)

const [virtual]

void makVrv::DtSharedDrawElementsUInt::setNumInstances

(

int

n

)

int makVrv::DtSharedDrawElementsUInt::getNumInstances

(

)

const

void makVrv::DtSharedDrawElementsUInt::setMode

(

GLenum

mode

)

GLenum makVrv::DtSharedDrawElementsUInt::getMode

(

)

const

virtual void makVrv::DtSharedDrawElementsUInt::accept

(

osg::PrimitiveFunctor &

functor

)

const [virtual]

virtual void makVrv::DtSharedDrawElementsUInt::accept

(

osg::PrimitiveIndexFunctor &

functor

)

const [virtual]

virtual unsigned int makVrv::DtSharedDrawElementsUInt::index

(

unsigned int

pos

)

const [virtual]

virtual unsigned int makVrv::DtSharedDrawElementsUInt::getNumIndices

(

)

const [virtual]

virtual void makVrv::DtSharedDrawElementsUInt::offsetIndices

(

int

offset

)

[virtual]

virtual unsigned int makVrv::DtSharedDrawElementsUInt::getNumPrimitives

(

)

const [virtual]

* virtual void makVrv::DtSharedDrawElementsUInt::dirty

(

)

[virtual]

Dirty the primitive, which increments the modified count, to force buffer objects to update.

void makVrv::DtSharedDrawElementsUInt::setModifiedCount

(

unsigned int

value

)

[inline]

Set the modified count value.

unsigned int makVrv::DtSharedDrawElementsUInt::getModifiedCount

(

)

const [inline]

Get modified count value.

virtual void makVrv::DtSharedDrawElementsUInt::resizeGLObjectBuffers

(

unsigned int

maxSize

)

[virtual]

Resize any per context GLObject buffers to specified size.

virtual void makVrv::DtSharedDrawElementsUInt::releaseGLObjects

(

osg::State *

state = 0

)

const [virtual]

If State is non-zero, this function releases OpenGL objects for the specified graphics context.

Otherwise, releases OpenGL objects for all graphics contexts.

virtual void makVrv::DtSharedDrawElementsUInt::computeRange

(

)

const [virtual]

virtual void makVrv::DtSharedDrawElementsUInt::draw	(	osg::State &	state,
		bool	useVertexBufferObjects
	)		const [virtual]

Draw override.

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Member Data Documentation

osg::ref_ptr<osg::DrawElementsUInt> makVrv::DtSharedDrawElementsUInt::myIndices [protected]

unsigned int makVrv::DtSharedDrawElementsUInt::myStartIndex [protected]

unsigned int makVrv::DtSharedDrawElementsUInt::myCount [protected]

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

• include/vrvOsg/DtSharedDrawElementsUInt.h