osgShadow::ParallelSplitShadowMap Class Reference

Inheritance diagram for osgShadow::ParallelSplitShadowMap:

Classes
class	FragmentShaderGenerator
	you can overwrite the fragment shader if you like to modify it yourself, own fragment shader can be used More...
struct	PSSMShadowSplitTexture

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

Public Member Functions
	ParallelSplitShadowMap (osg::Geode **debugGroup=NULL, int icountplanes=3)
	ParallelSplitShadowMap (const ParallelSplitShadowMap &es, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)
	META_Object (osgShadow, ParallelSplitShadowMap)
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	cleanSceneGraph ()
	Clean scene graph from any shadow technique specific nodes, state and drawables. More...
void	setDebugColorOn ()
	Switch on the debug coloring in GLSL (only the first 3 texture/splits showed for visualisation. More...
void	setPolygonOffset (const osg::Vec2f &p)
	Set the polygon offset osg::Vec2f(factor,unit) More...
const osg::Vec2f &	getPolygonOffset () const
	Get the polygon offset osg::Vec2f(factor,unit) More...
void	setTextureResolution (unsigned int resolution)
	Set the texture resolution. More...
unsigned int	getTextureResolution () const
	Get the texture resolution. More...
void	setMaxFarDistance (double farDist)
	Set the max far distance. More...
double	getMaxFarDistance () const
	Get the max far distance. More...
void	setMoveVCamBehindRCamFactor (double distFactor)
	Set the factor for moving the virtual camera behind the real camera. More...
double	getMoveVCamBehindRCamFactor () const
	Get the factor for moving the virtual camera behind the real camera. More...
void	setMinNearDistanceForSplits (double nd)
	Set min near distance for splits. More...
double	getMinNearDistanceForSplits () const
	Get min near distance for splits. More...
void	setUserLight (osg::Light *light)
	set a user defined light for shadow simulation (sun light, ... More...
const osg::Light *	getUserLight () const
	get the user defined light for shadow simulation More...
void	setAmbientBias (const osg::Vec2 &ambientBias)
	Set the values for the ambient bias the shader will use. More...
const osg::Vec2 &	getAmbientBias () const
	Get the values for the ambient bias the shader will use. More...
void	setFragmentShaderGenerator (FragmentShaderGenerator *fsw)
	set fragment shader generator More...
void	enableShadowGLSLFiltering (bool filtering=true)
	enable / disable shadow filtering More...
void	setSplitCalculationMode (SplitCalcMode scm=SPLIT_EXP)
	set split calculation mode More...
SplitCalcMode	getSplitCalculationMode () const
	get split calculation mode More...
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...
virtual void	resizeGLObjectBuffers (unsigned int)
	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...
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< unsigned int, PSSMShadowSplitTexture >	PSSMShadowSplitTextureMap

Protected Member Functions
virtual	~ParallelSplitShadowMap ()
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
PSSMShadowSplitTextureMap	_PSSMShadowSplitTextureMap
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...

Member Typedef Documentation

typedef std::map<unsigned int,PSSMShadowSplitTexture> osgShadow::ParallelSplitShadowMap::PSSMShadowSplitTextureMap

protected

Member Enumeration Documentation

enum osgShadow::ParallelSplitShadowMap::SplitCalcMode

Enumerator
SPLIT_LINEAR
SPLIT_EXP

Constructor & Destructor Documentation

osgShadow::ParallelSplitShadowMap::ParallelSplitShadowMap	(	osg::Geode **	debugGroup = NULL,
		int	icountplanes = 3
	)

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

virtual osgShadow::ParallelSplitShadowMap::~ParallelSplitShadowMap ( )

inlineprotectedvirtual

Member Function Documentation

virtual void osgShadow::ParallelSplitShadowMap::cleanSceneGraph ( )

virtual

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

Reimplemented from osgShadow::ShadowTechnique.

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

virtual

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

Reimplemented from osgShadow::ShadowTechnique.

void osgShadow::ParallelSplitShadowMap::enableShadowGLSLFiltering ( bool  filtering = true )

inline

enable / disable shadow filtering

const osg::Vec2& osgShadow::ParallelSplitShadowMap::getAmbientBias ( ) const

inline

Get the values for the ambient bias the shader will use.

double osgShadow::ParallelSplitShadowMap::getMaxFarDistance ( ) const

inline

Get the max far distance.

double osgShadow::ParallelSplitShadowMap::getMinNearDistanceForSplits ( ) const

inline

Get min near distance for splits.

double osgShadow::ParallelSplitShadowMap::getMoveVCamBehindRCamFactor ( ) const

inline

Get the factor for moving the virtual camera behind the real camera.

const osg::Vec2f& osgShadow::ParallelSplitShadowMap::getPolygonOffset ( ) const

inline

Get the polygon offset osg::Vec2f(factor,unit)

SplitCalcMode osgShadow::ParallelSplitShadowMap::getSplitCalculationMode ( ) const

inline

get split calculation mode

unsigned int osgShadow::ParallelSplitShadowMap::getTextureResolution ( ) const

inline

Get the texture resolution.

const osg::Light* osgShadow::ParallelSplitShadowMap::getUserLight ( ) const

inline

get the user defined light for shadow simulation

virtual void osgShadow::ParallelSplitShadowMap::init ( )

virtual

Initialize the ShadowedScene and local cached data structures.

Reimplemented from osgShadow::ShadowTechnique.

osgShadow::ParallelSplitShadowMap::META_Object	(	osgShadow	,
		ParallelSplitShadowMap
	)

void osgShadow::ParallelSplitShadowMap::setAmbientBias

(

const osg::Vec2 &

ambientBias

)

Set the values for the ambient bias the shader will use.

void osgShadow::ParallelSplitShadowMap::setDebugColorOn ( )

inline

Switch on the debug coloring in GLSL (only the first 3 texture/splits showed for visualisation.

void osgShadow::ParallelSplitShadowMap::setFragmentShaderGenerator ( FragmentShaderGenerator *  fsw )

inline

set fragment shader generator

void osgShadow::ParallelSplitShadowMap::setMaxFarDistance ( double  farDist )

inline

Set the max far distance.

void osgShadow::ParallelSplitShadowMap::setMinNearDistanceForSplits ( double  nd )

inline

Set min near distance for splits.

void osgShadow::ParallelSplitShadowMap::setMoveVCamBehindRCamFactor ( double  distFactor )

inline

Set the factor for moving the virtual camera behind the real camera.

void osgShadow::ParallelSplitShadowMap::setPolygonOffset ( const osg::Vec2f &  p )

inline

Set the polygon offset osg::Vec2f(factor,unit)

void osgShadow::ParallelSplitShadowMap::setSplitCalculationMode ( SplitCalcMode  scm = SPLIT_EXP )

inline

set split calculation mode

void osgShadow::ParallelSplitShadowMap::setTextureResolution ( unsigned int  resolution )

inline

Set the texture resolution.

void osgShadow::ParallelSplitShadowMap::setUserLight ( osg::Light *  light )

inline

set a user defined light for shadow simulation (sun light, ...

) when this light get passed to pssm, the scene's light are no longer collected and simulated. just this user passed light, it needs to be a directional light.

virtual void osgShadow::ParallelSplitShadowMap::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

PSSMShadowSplitTextureMap osgShadow::ParallelSplitShadowMap::_PSSMShadowSplitTextureMap

protected

---

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

• osgShadow/ParallelSplitShadowMap