osgUtil::Optimizer::TextureAtlasVisitor Class Reference

Inheritance diagram for osgUtil::Optimizer::TextureAtlasVisitor:

Public Member Functions
	TextureAtlasVisitor (Optimizer *optimizer=0)
	default to traversing all children. More...
TextureAtlasBuilder &	getTextureAtlasBuilder ()
virtual void	reset ()
virtual void	apply (osg::Node &node)
virtual void	apply (osg::Geode &geode)
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)
virtual	~NodeVisitor ()
virtual const char *	libraryName () const
virtual const char *	className () 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	setUserData (Referenced *obj)
Referenced *	getUserData ()
const Referenced *	getUserData () const
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 (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 (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::Referenced
	Referenced ()
	Referenced (bool threadSafeRefUnref)
	Referenced (const Referenced &)
Referenced &	operator= (const Referenced &)
virtual void	setThreadSafeRefUnref (bool threadSafe)
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::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< Referenced >	_userData
ref_ptr< DatabaseRequestHandler >	_databaseRequestHandler
ref_ptr< ImageRequestHandler >	_imageRequestHandler
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 }
Static Public Member Functions inherited from osg::Referenced
static OpenThreads::Mutex *	getGlobalReferencedMutex ()
static void	setThreadSafeReferenceCounting (bool enableThreadSafeReferenceCounting)
static bool	getThreadSafeReferenceCounting ()
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 seperate states in the scene, reducing state changes and improving the chances of using larger batches of geometry.

Member Typedef Documentation

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

protected

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

protected

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

protected

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

protected

Constructor & Destructor Documentation

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

inline

default to traversing all children.

Member Function Documentation

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

virtual

Reimplemented from osg::NodeVisitor.

virtual void osgUtil::Optimizer::TextureAtlasVisitor::apply ( osg::Geode &  geode )

virtual

Reimplemented from osg::NodeVisitor.

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

inline

void osgUtil::Optimizer::TextureAtlasVisitor::optimize

(

)

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

protected

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

protected

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

virtual

empty visitor, make it ready for next traversal.

Reimplemented from osg::NodeVisitor.

Member Data Documentation

TextureAtlasBuilder osgUtil::Optimizer::TextureAtlasVisitor::_builder

protected

StateSetMap osgUtil::Optimizer::TextureAtlasVisitor::_statesetMap

protected

StateSetStack osgUtil::Optimizer::TextureAtlasVisitor::_statesetStack

protected

Textures osgUtil::Optimizer::TextureAtlasVisitor::_textures

protected

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

• Optimizer