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osgUtil::Optimizer::TextureAtlasVisitor Class Reference

#include <Optimizer>

Inheritance diagram for osgUtil::Optimizer::TextureAtlasVisitor:
osgUtil::BaseOptimizerVisitor osg::NodeVisitor osg::Object osg::Referenced

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

◆ StateSetMap

◆ StateSetStack

◆ Textures

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: