OpenGl_PriorityList Class Reference

#include <OpenGl_PriorityList.hxx>

Public Member Functions
	OpenGl_PriorityList (const Standard_Integer theNbPriorities=11)
virtual	~OpenGl_PriorityList ()
	Destructor. More...
void	Add (const OpenGl_Structure *theStructure, const Standard_Integer thePriority, Standard_Boolean isForChangePriority=Standard_False)
Standard_Integer	Remove (const OpenGl_Structure *theStructure, Standard_Boolean isForChangePriority=Standard_False)
	Remove structure and returns its priority, if the structure is not found, method returns negative value. More...
Standard_Integer	NbStructures () const
void	Render (const Handle< OpenGl_Workspace > &theWorkspace) const
Standard_Integer	NbPriorities () const
	Returns the number of available priority levels. More...
Standard_Boolean	Append (const OpenGl_PriorityList &theOther)
	Append priority list of acceptable type (with similar number of priorities or less). Returns Standard_False if the list can not be accepted. More...
const OpenGl_ArrayOfStructure &	ArrayOfStructures () const
	Returns array of OpenGL structures. More...
void	InvalidateBVHData ()
	Marks BVH tree for given priority list as dirty and marks primitive set for rebuild. More...

Protected Member Functions
void	traverse (OpenGl_BVHTreeSelector &theSelector) const
	Traverses through BVH tree to determine which structures are in view volume. More...
void	renderAll (const Handle< OpenGl_Workspace > &theWorkspace) const
	Iterates through the hierarchical list of existing structures and renders them all. More...
void	renderTraverse (const Handle< OpenGl_Workspace > &theWorkspace) const
	Iterates through the hierarchical list of existing structures and renders only overlapping ones. More...

Protected Attributes
OpenGl_ArrayOfStructure	myArray
Standard_Integer	myNbStructures
OpenGl_BVHClipPrimitiveSet	myBVHPrimitives
Standard_Boolean	myBVHIsLeftChildQueuedFirst
Standard_Boolean	myIsBVHPrimitivesNeedsReset

Constructor & Destructor Documentation

OpenGl_PriorityList::OpenGl_PriorityList

(

const Standard_Integer

theNbPriorities = 11

)

virtual OpenGl_PriorityList::~OpenGl_PriorityList ( )

virtual

Destructor.

Member Function Documentation

void OpenGl_PriorityList::Add	(	const OpenGl_Structure *	theStructure,
		const Standard_Integer	thePriority,
		Standard_Boolean	isForChangePriority = Standard_False
	)

Standard_Boolean OpenGl_PriorityList::Append

(

const OpenGl_PriorityList &

theOther

)

Append priority list of acceptable type (with similar number of priorities or less). Returns Standard_False if the list can not be accepted.

const OpenGl_ArrayOfStructure& OpenGl_PriorityList::ArrayOfStructures ( ) const

inline

Returns array of OpenGL structures.

void OpenGl_PriorityList::InvalidateBVHData

(

)

Marks BVH tree for given priority list as dirty and marks primitive set for rebuild.

Standard_Integer OpenGl_PriorityList::NbPriorities

(

)

const

Returns the number of available priority levels.

Standard_Integer OpenGl_PriorityList::NbStructures ( ) const

inline

Returns

the number of structures

Standard_Integer OpenGl_PriorityList::Remove	(	const OpenGl_Structure *	theStructure,
		Standard_Boolean	isForChangePriority = Standard_False
	)

Remove structure and returns its priority, if the structure is not found, method returns negative value.

void OpenGl_PriorityList::Render

(

const Handle< OpenGl_Workspace > &

theWorkspace

)

const

void OpenGl_PriorityList::renderAll ( const Handle< OpenGl_Workspace > &  theWorkspace ) const

protected

Iterates through the hierarchical list of existing structures and renders them all.

void OpenGl_PriorityList::renderTraverse ( const Handle< OpenGl_Workspace > &  theWorkspace ) const

protected

Iterates through the hierarchical list of existing structures and renders only overlapping ones.

void OpenGl_PriorityList::traverse ( OpenGl_BVHTreeSelector &  theSelector ) const

protected

Traverses through BVH tree to determine which structures are in view volume.

Field Documentation

OpenGl_ArrayOfStructure OpenGl_PriorityList::myArray

protected

Standard_Boolean OpenGl_PriorityList::myBVHIsLeftChildQueuedFirst

mutableprotected

OpenGl_BVHClipPrimitiveSet OpenGl_PriorityList::myBVHPrimitives

mutableprotected

Standard_Boolean OpenGl_PriorityList::myIsBVHPrimitivesNeedsReset

mutableprotected

Standard_Integer OpenGl_PriorityList::myNbStructures

protected

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

• OpenGl_PriorityList.hxx