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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.
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 *, 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 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 use larger batches of geomertry.

Member Typedef Documentation

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

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