osgUtil::Optimizer::TextureAtlasVisitor Class Reference

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::Geode &geode)
void	optimize ()
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

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

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::Geode & geode ) [virtual]

Reimplemented from osg::NodeVisitor.

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