Indirect rendering works because we are able to combine multiple geometries into a single 'aggregated geometry' and render this with a single draw call This visitor allows us to incrementally aggregate multiple such osg nodes (e.g flight files) More...

Inheritance diagram for makVrv::DtIndirectGeometryAggregator:

[legend]

Classes
struct	AggregatorData
	current state of the model traversal More...

Public Member Functions
	DtIndirectGeometryAggregator (DtAggregatedGeometry &aggregatedGeometry, DtIndirectEffectTexturesTemplate &aggregatedEffectTexturesState, DtIndirectGeometryStateManager &stateManager, const DtIndirectTextureCollectionPolicy &textureCollectionPolicy)
	Constructor 'aggregatedGeometry', represents the flattened vertex, index buffer of all geometries/drawables encountered so far. More...

virtual	~DtIndirectGeometryAggregator ()
	Destructor. More...

virtual void	aggregate (osg::Node *node, int modelId, const std::string &modelFileName, bool cullFaceEnabled, const DtIndirectPolygonOffset &polygonOffset)
	run the aggregator visitor on the node, it represents the model specified by modelId and loaded from modelFileName More...

virtual void	apply (osg::Geometry &geometry)
	used to get the bounding box information for a particular geometry More...

virtual void	apply (DtDynamicTerrainSwitchNode &node)
	Gather the switch node information. More...

virtual void	apply (osg::Geode &geode)
	Gather the geodes so they can be added to the indirect registrar. More...

virtual void	apply (osg::Node &node)
	used to call apply on the osgSim::MultiSwitch and DtDynamicTerrainSwitchNodes More...

virtual void	apply (osg::Switch &node)
	Gather the switch node information. More...

virtual void	apply (osgSim::MultiSwitch &node)
	Gather the switch node information. More...

virtual void	apply (osg::LOD &node)
	Gather the Lod information. More...

virtual void	apply (osg::Sequence &node)
	Gather the sequence information. More...

virtual void	apply (osg::Billboard &node)
	used to ignore billboards for nwo More...

virtual void	apply (osg::MatrixTransform &matTrans)
	used to gather the matrix transforms so we get the geometry and lods in the correct position. More...

virtual void	apply (osgSim::DOFTransform &node)
	used to ignore DOFTransforms for now More...

virtual int	numGeodes () const
	number of geodes visited/encountered More...

virtual int	numGeometries () const
	number of geometries successfully visited/encountered (if something went wrong with aggregating a geometry, this count will reflect that) More...

virtual int	maxSingleModelIndices ()
	maximum number of indices any single model that's been agregated has, if greater then 65k needs int storage. More...

Static Public Member Functions
static void	loadTheDefaultTexture (const std::string &filename)
	create a default texture for indirect to use when there is not a diffuse texture on a stateset More...

Public Attributes
DtIndirectAggregateHelper	myAggregateHelper

Static Public Attributes
static const DtMaterial	theDefaultMaterial

static osg::ref_ptr< osg::Texture >	theDefaultTexture

Protected Member Functions
virtual DtMaterial	gatherMaterial (osg::StateSet *ss) const
	find the material specified by this stateset if it exists More...

virtual bool	isCullFaceEnabled (osg::StateSet *ss) const
	check the stateset to see if it has cull face enabled More...

virtual DtIndirectPolygonOffset	gatherPolygonOffset (osg::StateSet *ss) const
	check the stateset for any polygon offset state attributes More...

virtual DtIndirectGeometryTextures *	gatherTextures (osg::StateSet *ss, const std::string &modelFileName)
	find the textures on the stateset if they are specified More...

Protected Attributes
int	myNumGeodes

int	myNumGeometries

DtAggregateModelInfo *	myModelInfo

int	myLastVertexOffset

int	myLastIndexOffset

int	myMaxSingleModelIndices

DtIndirectEffectTexturesTemplate &	myAggregatedEffectTexturesState

DtIndirectGeometryStateManager &	myStateManager

DtAggregatedGeometry &	myAggregatedGeometry

std::stack< AggregatorData >	myDataStack
	stack of Aggregator as traversal happens. More...

std::stack< osg::Matrix >	myMatrixStack

DtIndirectLodManager::DequeIndirectLodInfos	myLodStack

DtIndirectSwitchManager::DequeNodeSwitchInfoPairs	mySwitchStack

const DtIndirectTextureCollectionPolicy &	myTextureCollectionPolicy

std::string	myModelFileName

Private Member Functions
	DtIndirectGeometryAggregator ()

	DtIndirectGeometryAggregator (const DtIndirectGeometryAggregator &other)
	Copy Constructor not implemented – Copy Not Allowed. More...

DtIndirectGeometryAggregator &	operator= (const DtIndirectGeometryAggregator &other)
	Assignment Operator Not implemented � Assignment Not Allowed. More...

Friends
class	StackOperator

Detailed Description

Indirect rendering works because we are able to combine multiple geometries into a single 'aggregated geometry' and render this with a single draw call This visitor allows us to incrementally aggregate multiple such osg nodes (e.g flight files)

Constructor & Destructor Documentation

makVrv::DtIndirectGeometryAggregator::DtIndirectGeometryAggregator	(	DtAggregatedGeometry &	aggregatedGeometry,
		DtIndirectEffectTexturesTemplate &	aggregatedEffectTexturesState,
		DtIndirectGeometryStateManager &	stateManager,
		const DtIndirectTextureCollectionPolicy &	textureCollectionPolicy
	)

Constructor 'aggregatedGeometry', represents the flattened vertex, index buffer of all geometries/drawables encountered so far.

virtual makVrv::DtIndirectGeometryAggregator::~DtIndirectGeometryAggregator ( )

virtual

Destructor.

makVrv::DtIndirectGeometryAggregator::DtIndirectGeometryAggregator ( )

private

makVrv::DtIndirectGeometryAggregator::DtIndirectGeometryAggregator ( const DtIndirectGeometryAggregator & other )

private

Copy Constructor not implemented – Copy Not Allowed.

Member Function Documentation

DtIndirectGeometryAggregator& makVrv::DtIndirectGeometryAggregator::operator= ( const DtIndirectGeometryAggregator & other )

private

Assignment Operator Not implemented � Assignment Not Allowed.

virtual void makVrv::DtIndirectGeometryAggregator::aggregate	(	osg::Node *	node,
		int	modelId,
		const std::string &	modelFileName,
		bool	cullFaceEnabled,
		const DtIndirectPolygonOffset &	polygonOffset
	)

virtual

run the aggregator visitor on the node, it represents the model specified by modelId and loaded from modelFileName

virtual void makVrv::DtIndirectGeometryAggregator::apply ( osg::Geometry & geometry )

virtual

used to get the bounding box information for a particular geometry

virtual void makVrv::DtIndirectGeometryAggregator::apply ( DtDynamicTerrainSwitchNode & node )

virtual

Gather the switch node information.

virtual void makVrv::DtIndirectGeometryAggregator::apply ( osg::Geode & geode )

virtual

Gather the geodes so they can be added to the indirect registrar.

virtual void makVrv::DtIndirectGeometryAggregator::apply ( osg::Node & node )

virtual

used to call apply on the osgSim::MultiSwitch and DtDynamicTerrainSwitchNodes

virtual void makVrv::DtIndirectGeometryAggregator::apply ( osg::Switch & node )

virtual

Gather the switch node information.

virtual void makVrv::DtIndirectGeometryAggregator::apply ( osgSim::MultiSwitch & node )

virtual

Gather the switch node information.

virtual void makVrv::DtIndirectGeometryAggregator::apply ( osg::LOD & node )

virtual

Gather the Lod information.

virtual void makVrv::DtIndirectGeometryAggregator::apply ( osg::Sequence & node )

virtual

Gather the sequence information.

virtual void makVrv::DtIndirectGeometryAggregator::apply ( osg::Billboard & node )

virtual

used to ignore billboards for nwo

virtual void makVrv::DtIndirectGeometryAggregator::apply ( osg::MatrixTransform & matTrans )

virtual

used to gather the matrix transforms so we get the geometry and lods in the correct position.

virtual void makVrv::DtIndirectGeometryAggregator::apply ( osgSim::DOFTransform & node )

virtual

used to ignore DOFTransforms for now

virtual int makVrv::DtIndirectGeometryAggregator::numGeodes ( ) const

virtual

number of geodes visited/encountered

virtual int makVrv::DtIndirectGeometryAggregator::numGeometries ( ) const

virtual

number of geometries successfully visited/encountered (if something went wrong with aggregating a geometry, this count will reflect that)

virtual int makVrv::DtIndirectGeometryAggregator::maxSingleModelIndices ( )

virtual

maximum number of indices any single model that's been agregated has, if greater then 65k needs int storage.

static void makVrv::DtIndirectGeometryAggregator::loadTheDefaultTexture ( const std::string & filename )

static

create a default texture for indirect to use when there is not a diffuse texture on a stateset

virtual DtMaterial makVrv::DtIndirectGeometryAggregator::gatherMaterial ( osg::StateSet * ss ) const

protectedvirtual

find the material specified by this stateset if it exists

virtual bool makVrv::DtIndirectGeometryAggregator::isCullFaceEnabled ( osg::StateSet * ss ) const

protectedvirtual

check the stateset to see if it has cull face enabled

virtual DtIndirectPolygonOffset makVrv::DtIndirectGeometryAggregator::gatherPolygonOffset ( osg::StateSet * ss ) const

protectedvirtual

check the stateset for any polygon offset state attributes

virtual DtIndirectGeometryTextures* makVrv::DtIndirectGeometryAggregator::gatherTextures	(	osg::StateSet *	ss,
		const std::string &	modelFileName
	)

protectedvirtual

find the textures on the stateset if they are specified

Friends And Related Function Documentation

friend class StackOperator

friend

Member Data Documentation

int makVrv::DtIndirectGeometryAggregator::myNumGeodes

protected

int makVrv::DtIndirectGeometryAggregator::myNumGeometries

protected

DtAggregateModelInfo* makVrv::DtIndirectGeometryAggregator::myModelInfo

protected

int makVrv::DtIndirectGeometryAggregator::myLastVertexOffset

protected

int makVrv::DtIndirectGeometryAggregator::myLastIndexOffset

protected

int makVrv::DtIndirectGeometryAggregator::myMaxSingleModelIndices

protected

DtIndirectEffectTexturesTemplate& makVrv::DtIndirectGeometryAggregator::myAggregatedEffectTexturesState

protected

DtIndirectGeometryStateManager& makVrv::DtIndirectGeometryAggregator::myStateManager

protected

DtAggregatedGeometry& makVrv::DtIndirectGeometryAggregator::myAggregatedGeometry

protected

std::stack<AggregatorData> makVrv::DtIndirectGeometryAggregator::myDataStack

protected

stack of Aggregator as traversal happens.

std::stack<osg::Matrix> makVrv::DtIndirectGeometryAggregator::myMatrixStack

protected

DtIndirectLodManager::DequeIndirectLodInfos makVrv::DtIndirectGeometryAggregator::myLodStack

protected

DtIndirectSwitchManager::DequeNodeSwitchInfoPairs makVrv::DtIndirectGeometryAggregator::mySwitchStack

protected

const DtIndirectTextureCollectionPolicy& makVrv::DtIndirectGeometryAggregator::myTextureCollectionPolicy

protected

std::string makVrv::DtIndirectGeometryAggregator::myModelFileName

protected

const DtMaterial makVrv::DtIndirectGeometryAggregator::theDefaultMaterial

static

osg::ref_ptr<osg::Texture> makVrv::DtIndirectGeometryAggregator::theDefaultTexture

static

DtIndirectAggregateHelper makVrv::DtIndirectGeometryAggregator::myAggregateHelper

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

/data/exports/nrhent7-1/nightly/docs/vrForces.vrf4-8-branch/include/vrvOsg/DtIndirectGeometryAggregator.h

Classes

Public Member Functions

Static Public Member Functions

Public Attributes

Static Public Attributes

Protected Member Functions

Protected Attributes

Private Member Functions

Friends

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation