osgUtil::Optimizer::TextureAtlasVisitor Class Reference

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. More...

Inheritance diagram for osgUtil::Optimizer::TextureAtlasVisitor:

[legend]

List of all members.

Public Member Functions
	TextureAtlasVisitor (Optimizer *optimizer=0)
	default to traversing all children.
TextureAtlasBuilder &	getTextureAtlasBuilder ()
virtual void	reset ()
	empty visitor, make it ready for next traversal.
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

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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.

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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::set<osg::Texture2D*> osgUtil::Optimizer::TextureAtlasVisitor::Textures [protected]

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

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Constructor & Destructor Documentation

osgUtil::Optimizer::TextureAtlasVisitor::TextureAtlasVisitor

(

Optimizer *

optimizer = 0

)

[inline]

default to traversing all children.

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Member Function Documentation

TextureAtlasBuilder& osgUtil::Optimizer::TextureAtlasVisitor::getTextureAtlasBuilder

(

)

[inline]

virtual void osgUtil::Optimizer::TextureAtlasVisitor::reset

(

)

[virtual]

empty visitor, make it ready for next traversal.

Reimplemented from osg::NodeVisitor.

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.

void osgUtil::Optimizer::TextureAtlasVisitor::optimize

(

)

bool osgUtil::Optimizer::TextureAtlasVisitor::pushStateSet

(

osg::StateSet *

stateset

)

[protected]

void osgUtil::Optimizer::TextureAtlasVisitor::popStateSet

(

)

[protected]

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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

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