ViewDependentShadowMap provides an base implementation of view dependent shadow mapping techniques. More...

Inheritance diagram for osgShadow::ViewDependentShadowMap:

Classes
struct	Frustum

struct	LightData

struct	ShadowData

class	ViewDependentData

Public Types
typedef std::list< osg::ref_ptr< LightData > >	LightDataList

typedef std::list< osg::ref_ptr< ShadowData > >	ShadowDataList

Public Types inherited from osg::Object
enum	DataVariance { DYNAMIC, STATIC, UNSPECIFIED }

Public Member Functions
	ViewDependentShadowMap ()

	ViewDependentShadowMap (const ViewDependentShadowMap &vdsm, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)

	META_Object (osgShadow, ViewDependentShadowMap)

virtual void	init ()
	initialize the ShadowedScene and local cached data structures. More...

virtual void	update (osg::NodeVisitor &nv)
	run the update traversal of the ShadowedScene and update any loca chached data structures. More...

virtual void	cull (osgUtil::CullVisitor &cv)
	run the cull traversal of the ShadowedScene and set up the rendering for this ShadowTechnique. More...

virtual void	resizeGLObjectBuffers (unsigned int maxSize)
	Resize any per context GLObject buffers to specified size. More...

virtual void	releaseGLObjects (osg::State *=0) const
	If State is non-zero, this function releases any associated OpenGL objects for the specified graphics context. More...

virtual void	cleanSceneGraph ()
	Clean scene graph from any shadow technique specific nodes, state and drawables. More...

virtual ViewDependentData *	createViewDependentData (osgUtil::CullVisitor *cv)

ViewDependentData *	getViewDependentData (osgUtil::CullVisitor *cv)

virtual void	createShaders ()

virtual bool	selectActiveLights (osgUtil::CullVisitor cv, ViewDependentData vdd) const

virtual osg::Polytope	computeLightViewFrustumPolytope (Frustum &frustum, LightData &positionedLight)

virtual bool	computeShadowCameraSettings (Frustum &frustum, LightData &positionedLight, osg::Matrixd &projectionMatrix, osg::Matrixd &viewMatrix)

virtual bool	adjustPerspectiveShadowMapCameraSettings (osgUtil::RenderStage renderStage, Frustum &frustum, LightData &positionedLight, osg::Camera camera)

virtual bool	assignTexGenSettings (osgUtil::CullVisitor cv, osg::Camera camera, unsigned int textureUnit, osg::TexGen *texgen)

virtual void	cullShadowReceivingScene (osgUtil::CullVisitor *cv) const

virtual void	cullShadowCastingScene (osgUtil::CullVisitor cv, osg::Camera camera) const

virtual osg::StateSet *	selectStateSetForRenderingShadow (ViewDependentData &vdd) const

Public Member Functions inherited from osgShadow::ShadowTechnique
	ShadowTechnique ()

	ShadowTechnique (const ShadowTechnique &es, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)

	META_Object (osgShadow, ShadowTechnique)

ShadowedScene *	getShadowedScene ()

const ShadowedScene *	getShadowedScene () const

virtual void	traverse (osg::NodeVisitor &nv)

virtual void	dirty ()
	Dirty so that cached data structures are updated. More...

Public Member Functions inherited from osg::Object
	Object ()
	Construct an object. More...

	Object (bool threadSafeRefUnref)

	Object (const Object &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
	Copy constructor, optional CopyOp object can be used to control shallow vs deep copying of dynamic data. More...

virtual Object *	cloneType () const =0
	Clone the type of an object, with Object* return type. More...

virtual Object *	clone (const CopyOp &) const =0
	Clone an object, with Object* return type. More...

virtual bool	isSameKindAs (const Object *) const

virtual const char *	libraryName () const =0
	return the name of the object's library. More...

virtual const char *	className () const =0
	return the name of the object's class type. More...

std::string	getCompoundClassName () const
	return the compound class name that combines the library name and class name. More...

virtual Node *	asNode ()
	Convert 'this' into a Node pointer if Object is a Node, otherwise return 0. More...

virtual const Node *	asNode () const
	convert 'const this' into a const Node pointer if Object is a Node, otherwise return 0. More...

virtual NodeVisitor *	asNodeVisitor ()
	Convert 'this' into a NodeVisitor pointer if Object is a NodeVisitor, otherwise return 0. More...

virtual const NodeVisitor *	asNodeVisitor () const
	convert 'const this' into a const NodeVisitor pointer if Object is a NodeVisitor, otherwise return 0. More...

virtual StateAttribute *	asStateAttribute ()
	Convert 'this' into a StateAttribute pointer if Object is a StateAttribute, otherwise return 0. More...

virtual const StateAttribute *	asStateAttribute () const
	convert 'const this' into a const StateAttribute pointer if Object is a StateAttribute, otherwise return 0. More...

virtual Uniform *	asUniform ()
	Convert 'this' into a Uniform pointer if Object is a Uniform, otherwise return 0. More...

virtual const Uniform *	asUniform () const
	convert 'const this' into a const Uniform pointer if Object is a Uniform, otherwise return 0. More...

virtual void	setThreadSafeRefUnref (bool threadSafe)
	Set whether to use a mutex to ensure ref() and unref() are thread safe. More...

virtual void	setName (const std::string &name)
	Set the name of object using C++ style string. More...

void	setName (const char *name)
	Set the name of object using a C style string. More...

const std::string &	getName () const
	Get the name of object. More...

void	setDataVariance (DataVariance dv)
	Set the data variance of this object. More...

DataVariance	getDataVariance () const
	Get the data variance of this object. More...

virtual void	computeDataVariance ()
	Compute the DataVariance based on an assessment of callback etc. More...

void	setUserDataContainer (osg::UserDataContainer *udc)
	set the UserDataContainer object. More...

template<class T >
void	setUserDataContainer (const ref_ptr< T > &udc)

osg::UserDataContainer *	getUserDataContainer ()
	get the UserDataContainer attached to this object. More...

const osg::UserDataContainer *	getUserDataContainer () const
	get the const UserDataContainer attached to this object. More...

osg::UserDataContainer *	getOrCreateUserDataContainer ()
	Convenience method that returns the UserDataContainer, and if one doesn't already exist creates and assigns a DefaultUserDataContainer to the Object and then return this new UserDataContainer. More...

virtual void	setUserData (Referenced *obj)
	Set user data, data must be subclassed from Referenced to allow automatic memory handling. More...

template<class T >
void	setUserData (const ref_ptr< T > &ud)

virtual Referenced *	getUserData ()
	Get user data. More...

virtual const Referenced *	getUserData () const
	Get const user data. More...

template<typename T >
bool	getUserValue (const std::string &name, T &value) const
	Convenience method that casts the named UserObject to osg::TemplateValueObject<T> and gets the value. More...

template<typename T >
void	setUserValue (const std::string &name, const T &value)
	Convenience method that creates the osg::TemplateValueObject<T> to store the specified value and adds it as a named UserObject. More...

template<typename T >
BoolValueObject UCharValueObject UShortValueObject UIntValueObject DoubleValueObject Vec3fValueObject Vec2dValueObject Vec4dValueObject PlaneValueObject MatrixdValueObject BoundingBoxdValueObject BoundingSpheredValueObject bool	getUserValue (const std::string &name, T &value) const
	provide implementation of osg::Object::getUserValue(..) template More...

Public Member Functions inherited from osg::Referenced
	Referenced ()

	Referenced (bool threadSafeRefUnref)

	Referenced (const Referenced &)

Referenced &	operator= (const Referenced &)

bool	getThreadSafeRefUnref () const
	Get whether a mutex is used to ensure ref() and unref() are thread safe. More...

OpenThreads::Mutex *	getRefMutex () const
	Get the mutex used to ensure thread safety of ref()/unref(). More...

int	ref () const
	Increment the reference count by one, indicating that this object has another pointer which is referencing it. More...

int	unref () const
	Decrement the reference count by one, indicating that a pointer to this object is no longer referencing it. More...

int	unref_nodelete () const
	Decrement the reference count by one, indicating that a pointer to this object is no longer referencing it. More...

int	referenceCount () const
	Return the number of pointers currently referencing this object. More...

ObserverSet *	getObserverSet () const
	Get the ObserverSet if one is attached, otherwise return NULL. More...

ObserverSet *	getOrCreateObserverSet () const
	Get the ObserverSet if one is attached, otherwise create an ObserverSet, attach it, then return this newly created ObserverSet. More...

void	addObserver (Observer *observer) const
	Add a Observer that is observing this object, notify the Observer when this object gets deleted. More...

void	removeObserver (Observer *observer) const
	Remove Observer that is observing this object. More...

Protected Types
typedef std::map< osgUtil::CullVisitor *, osg::ref_ptr< ViewDependentData > >	ViewDependentDataMap

typedef std::vector< osg::ref_ptr< osg::Uniform > >	Uniforms

Protected Member Functions
virtual	~ViewDependentShadowMap ()

Protected Member Functions inherited from osgShadow::ShadowTechnique
osg::Vec3	computeOrthogonalVector (const osg::Vec3 &direction) const

virtual	~ShadowTechnique ()

Protected Member Functions inherited from osg::Object
virtual	~Object ()
	Object destructor. More...

Protected Member Functions inherited from osg::Referenced
virtual	~Referenced ()

void	signalObserversAndDelete (bool signalDelete, bool doDelete) const

void	deleteUsingDeleteHandler () const

Protected Attributes
OpenThreads::Mutex	_viewDependentDataMapMutex

ViewDependentDataMap	_viewDependentDataMap

osg::ref_ptr< osg::StateSet >	_shadowRecievingPlaceholderStateSet

osg::ref_ptr< osg::StateSet >	_shadowCastingStateSet

osg::ref_ptr< osg::PolygonOffset >	_polygonOffset

osg::ref_ptr< osg::Texture2D >	_fallbackBaseTexture

osg::ref_ptr< osg::Texture2D >	_fallbackShadowMapTexture

OpenThreads::Mutex	_accessUniformsAndProgramMutex

Uniforms	_uniforms

osg::ref_ptr< osg::Program >	_program

Protected Attributes inherited from osgShadow::ShadowTechnique
ShadowedScene *	_shadowedScene

bool	_dirty

Protected Attributes inherited from osg::Object
std::string	_name

DataVariance	_dataVariance

osg::UserDataContainer *	_userDataContainer

Protected Attributes inherited from osg::Referenced
OpenThreads::AtomicPtr	_observerSet

OpenThreads::Atomic	_refCount

Additional Inherited Members
Static Public Member Functions inherited from osg::Referenced
static OpenThreads::Mutex *	getGlobalReferencedMutex ()
	Get the optional global Referenced mutex, this can be shared between all osg::Referenced. More...

static void	setThreadSafeReferenceCounting (bool enableThreadSafeReferenceCounting)
	Set whether reference counting should use a mutex for thread safe reference counting. More...

static bool	getThreadSafeReferenceCounting ()
	Get whether reference counting is active. More...

static void	setDeleteHandler (DeleteHandler *handler)
	Set a DeleteHandler to which deletion of all referenced counted objects will be delegated. More...

static DeleteHandler *	getDeleteHandler ()
	Get a DeleteHandler. More...

Detailed Description

ViewDependentShadowMap provides an base implementation of view dependent shadow mapping techniques.

Member Typedef Documentation

typedef std::list< osg::ref_ptr<LightData> > osgShadow::ViewDependentShadowMap::LightDataList

typedef std::list< osg::ref_ptr<ShadowData> > osgShadow::ViewDependentShadowMap::ShadowDataList

typedef std::vector< osg::ref_ptr<osg::Uniform> > osgShadow::ViewDependentShadowMap::Uniforms

protected

typedef std::map< osgUtil::CullVisitor*, osg::ref_ptr<ViewDependentData> > osgShadow::ViewDependentShadowMap::ViewDependentDataMap

protected

Constructor & Destructor Documentation

osgShadow::ViewDependentShadowMap::ViewDependentShadowMap ( )

osgShadow::ViewDependentShadowMap::ViewDependentShadowMap	(	const ViewDependentShadowMap &	vdsm,
		const osg::CopyOp &	copyop = `osg::CopyOp::SHALLOW_COPY`
	)

virtual osgShadow::ViewDependentShadowMap::~ViewDependentShadowMap ( )

protectedvirtual

Member Function Documentation

virtual bool osgShadow::ViewDependentShadowMap::adjustPerspectiveShadowMapCameraSettings	(	osgUtil::RenderStage *	renderStage,
		Frustum &	frustum,
		LightData &	positionedLight,
		osg::Camera *	camera
	)

virtual

virtual bool osgShadow::ViewDependentShadowMap::assignTexGenSettings	(	osgUtil::CullVisitor *	cv,
		osg::Camera *	camera,
		unsigned int	textureUnit,
		osg::TexGen *	texgen
	)

virtual

virtual void osgShadow::ViewDependentShadowMap::cleanSceneGraph ( )

virtual

Clean scene graph from any shadow technique specific nodes, state and drawables.

Reimplemented from osgShadow::ShadowTechnique.

virtual osg::Polytope osgShadow::ViewDependentShadowMap::computeLightViewFrustumPolytope	(	Frustum &	frustum,
		LightData &	positionedLight
	)

virtual

virtual bool osgShadow::ViewDependentShadowMap::computeShadowCameraSettings	(	Frustum &	frustum,
		LightData &	positionedLight,
		osg::Matrixd &	projectionMatrix,
		osg::Matrixd &	viewMatrix
	)

virtual

virtual void osgShadow::ViewDependentShadowMap::createShaders ( )

virtual

virtual ViewDependentData* osgShadow::ViewDependentShadowMap::createViewDependentData ( osgUtil::CullVisitor * cv )

virtual

virtual void osgShadow::ViewDependentShadowMap::cull ( osgUtil::CullVisitor & cv )

virtual

run the cull traversal of the ShadowedScene and set up the rendering for this ShadowTechnique.

Reimplemented from osgShadow::ShadowTechnique.

virtual void osgShadow::ViewDependentShadowMap::cullShadowCastingScene	(	osgUtil::CullVisitor *	cv,
		osg::Camera *	camera
	)		const

virtual

virtual void osgShadow::ViewDependentShadowMap::cullShadowReceivingScene ( osgUtil::CullVisitor * cv ) const

virtual

ViewDependentData* osgShadow::ViewDependentShadowMap::getViewDependentData ( osgUtil::CullVisitor * cv )

virtual void osgShadow::ViewDependentShadowMap::init ( )

virtual

initialize the ShadowedScene and local cached data structures.

Reimplemented from osgShadow::ShadowTechnique.

osgShadow::ViewDependentShadowMap::META_Object	(	osgShadow	,
		ViewDependentShadowMap
	)

virtual void osgShadow::ViewDependentShadowMap::releaseGLObjects ( osg::State * = 0 ) const

virtual

If State is non-zero, this function releases any associated OpenGL objects for the specified graphics context.

Otherwise, releases OpenGL objects for all graphics contexts.

Reimplemented from osg::Object.

virtual void osgShadow::ViewDependentShadowMap::resizeGLObjectBuffers ( unsigned int maxSize )

virtual

Resize any per context GLObject buffers to specified size.

Reimplemented from osg::Object.

virtual bool osgShadow::ViewDependentShadowMap::selectActiveLights	(	osgUtil::CullVisitor *	cv,
		ViewDependentData *	vdd
	)		const

virtual

virtual osg::StateSet* osgShadow::ViewDependentShadowMap::selectStateSetForRenderingShadow ( ViewDependentData & vdd ) const

virtual

virtual void osgShadow::ViewDependentShadowMap::update ( osg::NodeVisitor & nv )

virtual

run the update traversal of the ShadowedScene and update any loca chached data structures.

Reimplemented from osgShadow::ShadowTechnique.

Member Data Documentation

OpenThreads::Mutex osgShadow::ViewDependentShadowMap::_accessUniformsAndProgramMutex

mutableprotected

osg::ref_ptr<osg::Texture2D> osgShadow::ViewDependentShadowMap::_fallbackBaseTexture

protected

osg::ref_ptr<osg::Texture2D> osgShadow::ViewDependentShadowMap::_fallbackShadowMapTexture

protected

osg::ref_ptr<osg::PolygonOffset> osgShadow::ViewDependentShadowMap::_polygonOffset

protected

osg::ref_ptr<osg::Program> osgShadow::ViewDependentShadowMap::_program

protected

osg::ref_ptr<osg::StateSet> osgShadow::ViewDependentShadowMap::_shadowCastingStateSet

protected

osg::ref_ptr<osg::StateSet> osgShadow::ViewDependentShadowMap::_shadowRecievingPlaceholderStateSet

protected

Uniforms osgShadow::ViewDependentShadowMap::_uniforms

protected

ViewDependentDataMap osgShadow::ViewDependentShadowMap::_viewDependentDataMap

protected

OpenThreads::Mutex osgShadow::ViewDependentShadowMap::_viewDependentDataMapMutex

mutableprotected

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

osgShadow/ViewDependentShadowMap

Classes

Public Types

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation