osgShadow::ViewDependentShadowMap Class Reference

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

Inheritance diagram for osgShadow::ViewDependentShadowMap:

List of all members.

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 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.
virtual void	update (osg::NodeVisitor &nv)
	run the update traversal of the ShadowedScene and update any loca chached data structures.
virtual void	cull (osgUtil::CullVisitor &cv)
	run the cull traversal of the ShadowedScene and set up the rendering for this ShadowTechnique.
virtual void	resizeGLObjectBuffers (unsigned int maxSize)
	Resize any per context GLObject buffers to specified size.
virtual void	releaseGLObjects (osg::State *=0) const
	If State is non-zero, this function releases any associated OpenGL objects for the specified graphics context.
virtual void	cleanSceneGraph ()
	Clean scene graph from any shadow technique specific nodes, state and drawables.
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
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 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

---

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

(

)

[protected, virtual]

---

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 [mutable, protected]

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 [mutable, protected]

---

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

• osgShadow/ViewDependentShadowMap