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Public Member Functions | Protected Types | Protected Member Functions | Protected Attributes | List of all members
osgUtil::Optimizer::TextureAtlasVisitor Class Reference
Inheritance diagram for osgUtil::Optimizer::TextureAtlasVisitor:
osgUtil::BaseOptimizerVisitor osg::NodeVisitor osg::Referenced

Public Member Functions

 TextureAtlasVisitor (Optimizer *optimizer=0)
 default to traversing all children. More...
 
TextureAtlasBuildergetTextureAtlasBuilder ()
 
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 FrameStampgetFrameStamp () 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)
 
ReferencedgetUserData ()
 
const ReferencedgetUserData () const
 
void traverse (Node &node)
 
void pushOntoNodePath (Node *node)
 
void popFromNodePath ()
 
NodePathgetNodePath ()
 
const NodePathgetNodePath () 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)
 
DatabaseRequestHandlergetDatabaseRequestHandler ()
 
const DatabaseRequestHandlergetDatabaseRequestHandler () const
 
void setImageRequestHandler (ImageRequestHandler *handler)
 
ImageRequestHandlergetImageRequestHandler ()
 
const ImageRequestHandlergetImageRequestHandler () const
 
- Public Member Functions inherited from osg::Referenced
 Referenced ()
 
 Referenced (bool threadSafeRefUnref)
 
 Referenced (const Referenced &)
 
Referencedoperator= (const Referenced &)
 
virtual void setThreadSafeRefUnref (bool threadSafe)
 
bool getThreadSafeRefUnref () const
 
OpenThreads::MutexgetRefMutex () const
 
int ref () const
 
int unref () const
 
int unref_nodelete () const
 
int referenceCount () const
 
ObserverSetgetObserverSet () const
 
ObserverSetgetOrCreateObserverSet () const
 
void addObserver (Observer *observer) const
 
void removeObserver (Observer *observer) const
 

Protected Types

typedef std::set< osg::Drawable * > Drawables
 
typedef std::map< osg::StateSet *, DrawablesStateSetMap
 
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::MutexgetGlobalReferencedMutex ()
 
static void setThreadSafeReferenceCounting (bool enableThreadSafeReferenceCounting)
 
static bool getThreadSafeReferenceCounting ()
 
static void setDeleteHandler (DeleteHandler *handler)
 
static DeleteHandlergetDeleteHandler ()
 

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

◆ 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::Node node)
virtual

Reimplemented from osg::NodeVisitor.

◆ apply() [2/2]

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