#include <Optimizer>

Inheritance diagram for osgUtil::Optimizer::TextureAtlasVisitor:

Public Member Functions
	TextureAtlasVisitor (Optimizer *optimizer=0)
	default to traversing all children.

TextureAtlasBuilder &	getTextureAtlasBuilder ()

virtual void	reset ()

virtual void	apply (osg::Node &node)

virtual void	apply (osg::Drawable &node)

void	optimize ()

Public Member Functions inherited from osgUtil::BaseOptimizerVisitor
	BaseOptimizerVisitor (Optimizer *optimizer, unsigned int operation)

bool	isOperationPermissibleForObject (const osg::StateSet *object) const

bool	isOperationPermissibleForObject (const osg::StateAttribute *object) const

bool	isOperationPermissibleForObject (const osg::Drawable *object) const

bool	isOperationPermissibleForObject (const osg::Node *object) const

Public Member Functions inherited from osg::NodeVisitor
	NodeVisitor (TraversalMode tm=TRAVERSE_NONE)

	NodeVisitor (VisitorType type, TraversalMode tm=TRAVERSE_NONE)

	NodeVisitor (const NodeVisitor &nv, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)

virtual	~NodeVisitor ()

	META_Object (osg, NodeVisitor) virtual NodeVisitor *asNodeVisitor()

virtual const NodeVisitor *	asNodeVisitor () const

virtual osgUtil::UpdateVisitor *	asUpdateVisitor ()

virtual const osgUtil::UpdateVisitor *	asUpdateVisitor () const

virtual osgUtil::CullVisitor *	asCullVisitor ()

virtual const osgUtil::CullVisitor *	asCullVisitor () const

virtual osgGA::EventVisitor *	asEventVisitor ()

virtual const osgGA::EventVisitor *	asEventVisitor () const

virtual osgUtil::IntersectionVisitor *	asIntersectionVisitor ()

virtual const osgUtil::IntersectionVisitor *	asIntersectionVisitor () const

virtual osg::CullStack *	asCullStack ()

virtual const osg::CullStack *	asCullStack () const

void	setVisitorType (VisitorType type)

VisitorType	getVisitorType () const

void	setTraversalNumber (unsigned int fn)

unsigned int	getTraversalNumber () const

void	setFrameStamp (FrameStamp *fs)

const FrameStamp *	getFrameStamp () const

void	setTraversalMask (Node::NodeMask mask)

Node::NodeMask	getTraversalMask () const

void	setNodeMaskOverride (Node::NodeMask mask)

Node::NodeMask	getNodeMaskOverride () const

bool	validNodeMask (const osg::Node &node) const

void	setTraversalMode (TraversalMode mode)

TraversalMode	getTraversalMode () const

void	setValueMap (ValueMap *ps)

ValueMap *	getValueMap ()

const ValueMap *	getValueMap () const

ValueMap *	getOrCreateValueMap ()

void	setValueStack (ValueStack *ps)

ValueStack *	getValueStack ()

const ValueStack *	getValueStack () const

ValueStack *	getOrCreateValueStack ()

void	traverse (Node &node)

void	pushOntoNodePath (Node *node)

void	popFromNodePath ()

NodePath &	getNodePath ()

const NodePath &	getNodePath () const

virtual osg::Vec3	getEyePoint () const

virtual osg::Vec3	getViewPoint () const

virtual float	getDistanceToEyePoint (const Vec3 &, bool) const

virtual float	getDistanceFromEyePoint (const Vec3 &, bool) const

virtual float	getDistanceToViewPoint (const Vec3 &, bool) const

virtual void	apply (Geometry &geometry)

virtual void	apply (Geode &node)

virtual void	apply (Billboard &node)

virtual void	apply (Group &node)

virtual void	apply (ProxyNode &node)

virtual void	apply (Projection &node)

virtual void	apply (CoordinateSystemNode &node)

virtual void	apply (ClipNode &node)

virtual void	apply (TexGenNode &node)

virtual void	apply (LightSource &node)

virtual void	apply (Transform &node)

virtual void	apply (Camera &node)

virtual void	apply (CameraView &node)

virtual void	apply (MatrixTransform &node)

virtual void	apply (PositionAttitudeTransform &node)

virtual void	apply (AutoTransform &node)

virtual void	apply (Switch &node)

virtual void	apply (Sequence &node)

virtual void	apply (LOD &node)

virtual void	apply (PagedLOD &node)

virtual void	apply (ClearNode &node)

virtual void	apply (OccluderNode &node)

virtual void	apply (OcclusionQueryNode &node)

void	setDatabaseRequestHandler (DatabaseRequestHandler *handler)

DatabaseRequestHandler *	getDatabaseRequestHandler ()

const DatabaseRequestHandler *	getDatabaseRequestHandler () const

void	setImageRequestHandler (ImageRequestHandler *handler)

ImageRequestHandler *	getImageRequestHandler ()

const ImageRequestHandler *	getImageRequestHandler () const

Public Member Functions inherited from osg::Object
	Object ()

	Object (bool threadSafeRefUnref)

	Object (const Object &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)

virtual Object *	cloneType () const =0

virtual Object *	clone (const CopyOp &) const =0

virtual bool	isSameKindAs (const Object *) const

virtual const char *	libraryName () const =0

virtual const char *	className () const =0

std::string	getCompoundClassName () const

virtual Node *	asNode ()

virtual const Node *	asNode () const

virtual NodeVisitor *	asNodeVisitor ()

virtual StateSet *	asStateSet ()

virtual const StateSet *	asStateSet () const

virtual StateAttribute *	asStateAttribute ()

virtual const StateAttribute *	asStateAttribute () const

virtual Uniform *	asUniform ()

virtual const Uniform *	asUniform () const

virtual Camera *	asCamera ()

virtual const Camera *	asCamera () const

virtual Drawable *	asDrawable ()

virtual const Drawable *	asDrawable () const

virtual Callback *	asCallback ()

virtual const Callback *	asCallback () const

virtual CallbackObject *	asCallbackObject ()

virtual const CallbackObject *	asCallbackObject () const

virtual UserDataContainer *	asUserDataContainer ()

virtual const UserDataContainer *	asUserDataContainer () const

virtual ValueObject *	asValueObject ()

virtual const ValueObject *	asValueObject () const

virtual Image *	asImage ()

virtual const Image *	asImage () const

virtual void	setThreadSafeRefUnref (bool threadSafe)

virtual void	setName (const std::string &name)

void	setName (const char *name)

const std::string &	getName () const

void	setDataVariance (DataVariance dv)

DataVariance	getDataVariance () const

virtual void	computeDataVariance ()

void	setUserDataContainer (osg::UserDataContainer *udc)

template<class T >
void	setUserDataContainer (const ref_ptr< T > &udc)

osg::UserDataContainer *	getUserDataContainer ()

const osg::UserDataContainer *	getUserDataContainer () const

osg::UserDataContainer *	getOrCreateUserDataContainer ()

virtual void	setUserData (Referenced *obj)

template<class T >
void	setUserData (const ref_ptr< T > &ud)

virtual Referenced *	getUserData ()

virtual const Referenced *	getUserData () const

template<typename T >
bool	getUserValue (const std::string &name, T &value) const

template<typename T >
void	setUserValue (const std::string &name, const T &value)

virtual void	resizeGLObjectBuffers (unsigned int)

virtual void	releaseGLObjects (osg::State *=0) const

template<typename T >
BoolValueObject UCharValueObject UShortValueObject UIntValueObject DoubleValueObject Vec3fValueObject Vec2dValueObject Vec4dValueObject PlaneValueObject MatrixdValueObject BoundingBoxdValueObject BoundingSpheredValueObject bool	getUserValue (const std::string &name, T &value) const

Public Member Functions inherited from osg::Referenced
	Referenced ()

	Referenced (bool threadSafeRefUnref)

	Referenced (const Referenced &)

Referenced &	operator= (const Referenced &)

bool	getThreadSafeRefUnref () const

OpenThreads::Mutex *	getRefMutex () const

int	ref () const

int	unref () const

int	unref_nodelete () const

int	referenceCount () const

ObserverSet *	getObserverSet () const

ObserverSet *	getOrCreateObserverSet () const

void	addObserver (Observer *observer) const

void	removeObserver (Observer *observer) const

Protected Types
typedef std::set< osg::Drawable * >	Drawables

typedef std::map< osg::StateSet *, Drawables >	StateSetMap

typedef std::set< osg::Texture2D * >	Textures

typedef std::vector< osg::StateSet * >	StateSetStack

Protected Member Functions
bool	pushStateSet (osg::StateSet *stateset)

void	popStateSet ()

Protected Member Functions inherited from osg::Object
virtual	~Object ()

Protected Member Functions inherited from osg::Referenced
virtual	~Referenced ()

void	signalObserversAndDelete (bool signalDelete, bool doDelete) const

void	deleteUsingDeleteHandler () const

Protected Attributes
TextureAtlasBuilder	_builder

StateSetMap	_statesetMap

StateSetStack	_statesetStack

Textures	_textures

Protected Attributes inherited from osgUtil::BaseOptimizerVisitor
Optimizer *	_optimizer

unsigned int	_operationType

Protected Attributes inherited from osg::NodeVisitor
VisitorType	_visitorType

unsigned int	_traversalNumber

ref_ptr< FrameStamp >	_frameStamp

TraversalMode	_traversalMode

Node::NodeMask	_traversalMask

Node::NodeMask	_nodeMaskOverride

NodePath	_nodePath

ref_ptr< DatabaseRequestHandler >	_databaseRequestHandler

ref_ptr< ImageRequestHandler >	_imageRequestHandler

osg::ref_ptr< ValueMap >	_valueMap

osg::ref_ptr< ValueStack >	_valueStack

Protected Attributes inherited from osg::Object
std::string	_name

DataVariance	_dataVariance

osg::UserDataContainer *	_userDataContainer

Protected Attributes inherited from osg::Referenced
OpenThreads::AtomicPtr	_observerSet

OpenThreads::Atomic	_refCount

Additional Inherited Members
Public Types inherited from osg::NodeVisitor
enum	TraversalMode { TRAVERSE_NONE , TRAVERSE_PARENTS , TRAVERSE_ALL_CHILDREN , TRAVERSE_ACTIVE_CHILDREN }

enum	VisitorType { NODE_VISITOR = 0 , UPDATE_VISITOR , EVENT_VISITOR , COLLECT_OCCLUDER_VISITOR , CULL_VISITOR , INTERSECTION_VISITOR }

Public Types inherited from osg::Object
enum	DataVariance { DYNAMIC , STATIC , UNSPECIFIED }

Static Public Member Functions inherited from osg::Referenced
static OpenThreads::Mutex *	getGlobalReferencedMutex ()

static void	setDeleteHandler (DeleteHandler *handler)

static DeleteHandler *	getDeleteHandler ()

Detailed Description

Optimize texture usage in the scene graph by combining textures into texture atlas Use of texture atlas cuts down on the number of separate states in the scene, reducing state changes and improving the chances of using larger batches of geometry.

Member Typedef Documentation

◆ Drawables

typedef std::set<osg::Drawable*> osgUtil::Optimizer::TextureAtlasVisitor::Drawables

protected

◆ StateSetMap

typedef std::map<osg::StateSet*, Drawables> osgUtil::Optimizer::TextureAtlasVisitor::StateSetMap

protected

◆ StateSetStack

typedef std::vector<osg::StateSet*> osgUtil::Optimizer::TextureAtlasVisitor::StateSetStack

protected

◆ Textures

typedef std::set<osg::Texture2D*> osgUtil::Optimizer::TextureAtlasVisitor::Textures

protected

Constructor & Destructor Documentation

◆ TextureAtlasVisitor()

osgUtil::Optimizer::TextureAtlasVisitor::TextureAtlasVisitor ( Optimizer * optimizer = 0 )

inline

default to traversing all children.

Member Function Documentation

◆ apply() [1/2]

virtual void osgUtil::Optimizer::TextureAtlasVisitor::apply ( osg::Drawable & node )

virtual

Reimplemented from osg::NodeVisitor.

◆ apply() [2/2]

virtual void osgUtil::Optimizer::TextureAtlasVisitor::apply ( osg::Node & node )

virtual

Reimplemented from osg::NodeVisitor.

◆ getTextureAtlasBuilder()

TextureAtlasBuilder & osgUtil::Optimizer::TextureAtlasVisitor::getTextureAtlasBuilder ( )

inline

◆ optimize()

void osgUtil::Optimizer::TextureAtlasVisitor::optimize ( )

◆ popStateSet()

void osgUtil::Optimizer::TextureAtlasVisitor::popStateSet ( )

protected

◆ pushStateSet()

bool osgUtil::Optimizer::TextureAtlasVisitor::pushStateSet ( osg::StateSet * stateset )

protected

◆ reset()

virtual void osgUtil::Optimizer::TextureAtlasVisitor::reset ( )

virtual

empty visitor, make it ready for next traversal.

Reimplemented from osg::NodeVisitor.

Member Data Documentation

◆ _builder

TextureAtlasBuilder osgUtil::Optimizer::TextureAtlasVisitor::_builder

protected

◆ _statesetMap

StateSetMap osgUtil::Optimizer::TextureAtlasVisitor::_statesetMap

protected

◆ _statesetStack

StateSetStack osgUtil::Optimizer::TextureAtlasVisitor::_statesetStack

protected

◆ _textures

Textures osgUtil::Optimizer::TextureAtlasVisitor::_textures

protected

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

Optimizer

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ Drawables

◆ StateSetMap

◆ StateSetStack

◆ Textures

Constructor & Destructor Documentation

◆ TextureAtlasVisitor()

Member Function Documentation

◆ apply() [1/2]

◆ apply() [2/2]

◆ getTextureAtlasBuilder()

◆ optimize()

◆ popStateSet()

◆ pushStateSet()

◆ reset()

Member Data Documentation

◆ _builder

◆ _statesetMap

◆ _statesetStack

◆ _textures