Presentations list sorted within priorities. More...

#include <OpenGl_Layer.hxx>

Inheritance diagram for OpenGl_Layer:

Public Member Functions
	OpenGl_Layer (const Standard_Integer theNbPriorities, const Handle< Select3D_BVHBuilder3d > &theBuilder)
	Initializes associated priority list and layer properties. More...

virtual	~OpenGl_Layer ()
	Destructor. More...

const Handle< Select3D_BVHBuilder3d > &	FrustumCullingBVHBuilder () const
	Returns BVH tree builder for frustom culling. More...

void	SetFrustumCullingBVHBuilder (const Handle< Select3D_BVHBuilder3d > &theBuilder)
	Assigns BVH tree builder for frustom culling. More...

Standard_Boolean	IsImmediate () const
	Return true if layer was marked with immediate flag. More...

const Graphic3d_ZLayerSettings &	LayerSettings () const
	Returns settings of the layer object. More...

void	SetLayerSettings (const Graphic3d_ZLayerSettings &theSettings)
	Sets settings of the layer object. More...

void	Add (const OpenGl_Structure *theStruct, const Standard_Integer thePriority, Standard_Boolean isForChangePriority=Standard_False)

bool	Remove (const OpenGl_Structure *theStruct, Standard_Integer &thePriority, 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

Standard_Integer	NbStructuresNotCulled () const
	Number of NOT culled structures in the layer. More...

Standard_Integer	NbPriorities () const
	Returns the number of available priority levels. More...

Standard_Boolean	Append (const OpenGl_Layer &theOther)
	Append layer of acceptable type (with similar number of priorities or less). Returns Standard_False if the list can not be accepted. More...

const OpenGl_ArrayOfIndexedMapOfStructure &	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...

void	InvalidateBoundingBox () const
	Marks cached bounding box as obsolete. More...

Bnd_Box	BoundingBox (const Standard_Integer theViewId, const Handle< Graphic3d_Camera > &theCamera, const Standard_Integer theWindowWidth, const Standard_Integer theWindowHeight, const Standard_Boolean theToIncludeAuxiliary) const
	Returns layer bounding box. More...

Standard_Real	considerZoomPersistenceObjects (const Standard_Integer theViewId, const Handle< Graphic3d_Camera > &theCamera, const Standard_Integer theWindowWidth, const Standard_Integer theWindowHeight) const
	Returns zoom-scale factor. More...

void	UpdateCulling (const Standard_Integer theViewId, const OpenGl_BVHTreeSelector &theSelector, const Standard_Boolean theToTraverse)
	Update culling state - should be called before rendering. Traverses through BVH tree to determine which structures are in view volume. More...

bool	IsCulled () const
	Returns TRUE if layer is empty or has been discarded entirely by culling test. More...

void	Render (const Handle< OpenGl_Workspace > &theWorkspace, const OpenGl_GlobalLayerSettings &theDefaultSettings) const

Standard_Integer	NbOfTransformPersistenceObjects () const
	Returns number of transform persistence objects. More...

const OpenGl_BVHClipPrimitiveSet &	CullableStructuresBVH () const
	Returns set of OpenGl_Structures structures for building BVH tree. More...

const OpenGl_BVHClipPrimitiveTrsfPersSet &	CullableTrsfPersStructuresBVH () const
	Returns set of transform persistent OpenGl_Structures for building BVH tree. More...

const NCollection_IndexedMap< const OpenGl_Structure * > &	NonCullableStructures () const
	Returns indexed map of always rendered structures. More...

Public Member Functions inherited from Standard_Transient
	Standard_Transient ()
	Empty constructor. More...

	Standard_Transient (const Standard_Transient &)
	Copy constructor – does nothing. More...

Standard_Transient &	operator= (const Standard_Transient &)
	Assignment operator, needed to avoid copying reference counter. More...

virtual	~Standard_Transient ()
	Destructor must be virtual. More...

virtual void	Delete () const
	Memory deallocator for transient classes. More...

virtual const opencascade::handle< Standard_Type > &	DynamicType () const
	Returns a type descriptor about this object. More...

Standard_Boolean	IsInstance (const opencascade::handle< Standard_Type > &theType) const
	Returns a true value if this is an instance of Type. More...

Standard_Boolean	IsInstance (const Standard_CString theTypeName) const
	Returns a true value if this is an instance of TypeName. More...

Standard_Boolean	IsKind (const opencascade::handle< Standard_Type > &theType) const
	Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...

Standard_Boolean	IsKind (const Standard_CString theTypeName) const
	Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...

Standard_Transient *	This () const
	Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero. More...

Standard_Integer	GetRefCount () const
	Get the reference counter of this object. More...

void	IncrementRefCounter () const
	Increments the reference counter of this object. More...

Standard_Integer	DecrementRefCounter () const
	Decrements the reference counter of this object; returns the decremented value. More...

Protected Member Functions
void	updateBVH () const
	Updates BVH trees if their state has been invalidated. More...

void	renderAll (const Handle< OpenGl_Workspace > &theWorkspace) const
	Iterates through the hierarchical list of existing structures and renders them all. More...

Additional Inherited Members
Public Types inherited from Standard_Transient
typedef void	base_type
	Returns a type descriptor about this object. More...

Static Public Member Functions inherited from Standard_Transient
static const char *	get_type_name ()
	Returns a type descriptor about this object. More...

static const opencascade::handle< Standard_Type > &	get_type_descriptor ()
	Returns type descriptor of Standard_Transient class. More...

Detailed Description

Presentations list sorted within priorities.

Constructor & Destructor Documentation

◆ OpenGl_Layer()

OpenGl_Layer::OpenGl_Layer	(	const Standard_Integer	theNbPriorities,
		const Handle< Select3D_BVHBuilder3d > &	theBuilder
	)

Initializes associated priority list and layer properties.

◆ ~OpenGl_Layer()

virtual OpenGl_Layer::~OpenGl_Layer ( )

virtual

Destructor.

Member Function Documentation

◆ Add()

void OpenGl_Layer::Add	(	const OpenGl_Structure *	theStruct,
		const Standard_Integer	thePriority,
		Standard_Boolean	isForChangePriority = `Standard_False`
	)

◆ Append()

Standard_Boolean OpenGl_Layer::Append ( const OpenGl_Layer & theOther )

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

◆ ArrayOfStructures()

const OpenGl_ArrayOfIndexedMapOfStructure& OpenGl_Layer::ArrayOfStructures ( ) const

inline

Returns array of OpenGL structures.

◆ BoundingBox()

Bnd_Box OpenGl_Layer::BoundingBox	(	const Standard_Integer	theViewId,
		const Handle< Graphic3d_Camera > &	theCamera,
		const Standard_Integer	theWindowWidth,
		const Standard_Integer	theWindowHeight,
		const Standard_Boolean	theToIncludeAuxiliary
	)		const

Returns layer bounding box.

Parameters

theViewId	view index to consider View Affinity in structure
theCamera	camera definition
theWindowWidth	viewport width (for applying transformation-persistence)
theWindowHeight	viewport height (for applying transformation-persistence)
theToIncludeAuxiliary	consider also auxiliary presentations (with infinite flag or with trihedron transformation persistence)

Returns: computed bounding box

◆ considerZoomPersistenceObjects()

Standard_Real OpenGl_Layer::considerZoomPersistenceObjects	(	const Standard_Integer	theViewId,
		const Handle< Graphic3d_Camera > &	theCamera,
		const Standard_Integer	theWindowWidth,
		const Standard_Integer	theWindowHeight
	)		const

Returns zoom-scale factor.

◆ CullableStructuresBVH()

const OpenGl_BVHClipPrimitiveSet& OpenGl_Layer::CullableStructuresBVH ( ) const

inline

Returns set of OpenGl_Structures structures for building BVH tree.

◆ CullableTrsfPersStructuresBVH()

const OpenGl_BVHClipPrimitiveTrsfPersSet& OpenGl_Layer::CullableTrsfPersStructuresBVH ( ) const

inline

Returns set of transform persistent OpenGl_Structures for building BVH tree.

◆ FrustumCullingBVHBuilder()

const Handle< Select3D_BVHBuilder3d >& OpenGl_Layer::FrustumCullingBVHBuilder ( ) const

inline

Returns BVH tree builder for frustom culling.

◆ InvalidateBoundingBox()

void OpenGl_Layer::InvalidateBoundingBox ( ) const

inline

Marks cached bounding box as obsolete.

◆ InvalidateBVHData()

void OpenGl_Layer::InvalidateBVHData ( )

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

◆ IsCulled()

bool OpenGl_Layer::IsCulled ( ) const

inline

Returns TRUE if layer is empty or has been discarded entirely by culling test.

◆ IsImmediate()

Standard_Boolean OpenGl_Layer::IsImmediate ( ) const

inline

Return true if layer was marked with immediate flag.

◆ LayerSettings()

const Graphic3d_ZLayerSettings& OpenGl_Layer::LayerSettings ( ) const

inline

Returns settings of the layer object.

◆ NbOfTransformPersistenceObjects()

Standard_Integer OpenGl_Layer::NbOfTransformPersistenceObjects ( ) const

inline

Returns number of transform persistence objects.

◆ NbPriorities()

Standard_Integer OpenGl_Layer::NbPriorities ( ) const

inline

Returns the number of available priority levels.

◆ NbStructures()

Standard_Integer OpenGl_Layer::NbStructures ( ) const

inline

Returns: the number of structures

◆ NbStructuresNotCulled()

Standard_Integer OpenGl_Layer::NbStructuresNotCulled ( ) const

inline

Number of NOT culled structures in the layer.

◆ NonCullableStructures()

const NCollection_IndexedMap<const OpenGl_Structure*>& OpenGl_Layer::NonCullableStructures ( ) const

inline

Returns indexed map of always rendered structures.

◆ Remove()

bool OpenGl_Layer::Remove	(	const OpenGl_Structure *	theStruct,
		Standard_Integer &	thePriority,
		Standard_Boolean	isForChangePriority = `Standard_False`
	)

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

◆ Render()

void OpenGl_Layer::Render	(	const Handle< OpenGl_Workspace > &	theWorkspace,
		const OpenGl_GlobalLayerSettings &	theDefaultSettings
	)		const

◆ renderAll()

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

protected

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

◆ SetFrustumCullingBVHBuilder()

void OpenGl_Layer::SetFrustumCullingBVHBuilder ( const Handle< Select3D_BVHBuilder3d > & theBuilder )

inline

Assigns BVH tree builder for frustom culling.

◆ SetLayerSettings()

void OpenGl_Layer::SetLayerSettings ( const Graphic3d_ZLayerSettings & theSettings )

Sets settings of the layer object.

◆ updateBVH()

void OpenGl_Layer::updateBVH ( ) const

protected

Updates BVH trees if their state has been invalidated.

◆ UpdateCulling()

void OpenGl_Layer::UpdateCulling	(	const Standard_Integer	theViewId,
		const OpenGl_BVHTreeSelector &	theSelector,
		const Standard_Boolean	theToTraverse
	)

Update culling state - should be called before rendering. Traverses through BVH tree to determine which structures are in view volume.

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

OpenGl_Layer.hxx

OpenGl_Layer Class Reference

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ OpenGl_Layer()

◆ ~OpenGl_Layer()

Member Function Documentation

◆ Add()

◆ Append()

◆ ArrayOfStructures()

◆ BoundingBox()

◆ considerZoomPersistenceObjects()

◆ CullableStructuresBVH()

◆ CullableTrsfPersStructuresBVH()

◆ FrustumCullingBVHBuilder()

◆ InvalidateBoundingBox()

◆ InvalidateBVHData()

◆ IsCulled()

◆ IsImmediate()

◆ LayerSettings()

◆ NbOfTransformPersistenceObjects()

◆ NbPriorities()

◆ NbStructures()

◆ NbStructuresNotCulled()

◆ NonCullableStructures()

◆ Remove()

◆ Render()

◆ renderAll()

◆ SetFrustumCullingBVHBuilder()

◆ SetLayerSettings()

◆ updateBVH()

◆ UpdateCulling()