osgShadow::ParallelSplitShadowMap Class Reference

Inheritance diagram for osgShadow::ParallelSplitShadowMap:

[legend]

List of all members.

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 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.
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	cleanSceneGraph ()
	Clean scene graph from any shadow technique specific nodes, state and drawables.
void	setDebugColorOn ()
	Switch on the debug coloring in GLSL (only the first 3 texture/splits showed for visualisation.
void	setPolygonOffset (const osg::Vec2f &p)
	Set the polygon offset osg::Vec2f(factor,unit).
const osg::Vec2f &	getPolygonOffset ()
	Get the polygon offset osg::Vec2f(factor,unit).
void	setTextureResolution (unsigned int resolution)
	Set the texture resolution.
void	setMaxFarDistance (double farDist)
	Set the max far distance.
void	setMoveVCamBehindRCamFactor (double distFactor)
	Set the factor for moving the virtual camera behind the real camera.
void	setMinNearDistanceForSplits (double nd)
	Set min near distance for splits.
void	setUserLight (osg::Light *light)
	set a user defined light for shadow simulation (sun light, .
void	setAmbientBias (const osg::Vec2 &ambientBias)
	Set the values for the ambient bias the shader will use.
void	setFragmentShaderGenerator (FragmentShaderGenerator *fsw)
	set fragment shader generator
void	enableShadowGLSLFiltering (bool filtering=true)
	enable / disable shadow filtering
void	setSplitCalculationMode (SplitCalcMode scm=SPLIT_EXP)
	set split calculation mode
Protected Types
typedef std::map< unsigned int, PSSMShadowSplitTexture >	PSSMShadowSplitTextureMap
Protected Member Functions
virtual	~ParallelSplitShadowMap ()
Protected Attributes
PSSMShadowSplitTextureMap	_PSSMShadowSplitTextureMap

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Member Typedef Documentation

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

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Member Enumeration Documentation

enum osgShadow::ParallelSplitShadowMap::SplitCalcMode

Enumerator:

SPLIT_LINEAR
SPLIT_EXP

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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

(

)

[inline, protected, virtual]

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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::Vec2f& osgShadow::ParallelSplitShadowMap::getPolygonOffset

(

)

[inline]

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

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.

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Member Data Documentation

PSSMShadowSplitTextureMap osgShadow::ParallelSplitShadowMap::_PSSMShadowSplitTextureMap [protected]

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

• osgShadow/ParallelSplitShadowMap