OpenSceneGraph 2.8.3

osgShadow::ShadowMap Class Reference

ShadowedTexture provides an implementation of shadow textures. More...

Inheritance diagram for osgShadow::ShadowMap:

List of all members.

Public Types

typedef std::vector
< osg::ref_ptr< osg::Uniform > > 
UniformList
typedef std::vector
< osg::ref_ptr< osg::Shader > > 
ShaderList

Public Member Functions

 ShadowMap ()
 ShadowMap (const ShadowMap &es, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)
 META_Object (osgShadow, ShadowMap)
void setTextureUnit (unsigned int unit)
 Set the texture unit that the shadow texture will be applied on.
unsigned int getTextureUnit () const
 Get the texture unit that the shadow texture will be applied on.
void setPolygonOffset (const osg::Vec2 &polyOffset)
 set the polygon offset used initially
const osg::Vec2getPolygonOffset () const
 get the used polygon offset
void setAmbientBias (const osg::Vec2 &ambientBias)
 Set the values for the ambient bias the shader will use.
const osg::Vec2getAmbientBias () const
 Get the values that are used for the ambient bias in the shader.
void setTextureSize (const osg::Vec2s &textureSize)
 set the size in pixels x / y for the shadow texture.
const osg::Vec2sgetTextureSize () const
 Get the values that are used for the ambient bias in the shader.
void setLight (osg::Light *light)
 Set the Light that will cast shadows.
void setLight (osg::LightSource *ls)
void addShader (osg::Shader *shader)
 Add a shader to internal list, will be used instead of the default ones.
void clearShaderList ()
 Reset internal shader list.
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.
osg::ref_ptr< osg::CameramakeDebugHUD ()

Protected Member Functions

virtual ~ShadowMap (void)
virtual void createUniforms ()
 Create the managed Uniforms.
virtual void createShaders ()

Protected Attributes

osg::ref_ptr< osg::Camera_camera
osg::ref_ptr< osg::TexGen_texgen
osg::ref_ptr< osg::Texture2D_texture
osg::ref_ptr< osg::StateSet_stateset
osg::ref_ptr< osg::Program_program
osg::ref_ptr< osg::Light_light
osg::ref_ptr< osg::LightSource_ls
osg::ref_ptr< osg::Uniform_ambientBiasUniform
UniformList _uniformList
ShaderList _shaderList
unsigned int _baseTextureUnit
unsigned int _shadowTextureUnit
osg::Vec2 _polyOffset
osg::Vec2 _ambientBias
osg::Vec2s _textureSize

Detailed Description

ShadowedTexture provides an implementation of shadow textures.


Member Typedef Documentation


Constructor & Destructor Documentation

osgShadow::ShadowMap::ShadowMap ( )
osgShadow::ShadowMap::ShadowMap ( const ShadowMap es,
const osg::CopyOp copyop = osg::CopyOp::SHALLOW_COPY 
)
virtual osgShadow::ShadowMap::~ShadowMap ( void  ) [inline, protected, virtual]

Member Function Documentation

void osgShadow::ShadowMap::addShader ( osg::Shader shader) [inline]

Add a shader to internal list, will be used instead of the default ones.

virtual void osgShadow::ShadowMap::cleanSceneGraph ( ) [virtual]

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

Reimplemented from osgShadow::ShadowTechnique.

void osgShadow::ShadowMap::clearShaderList ( ) [inline]

Reset internal shader list.

virtual void osgShadow::ShadowMap::createShaders ( ) [protected, virtual]

Reimplemented in osgShadow::SoftShadowMap.

virtual void osgShadow::ShadowMap::createUniforms ( ) [protected, virtual]

Create the managed Uniforms.

Reimplemented in osgShadow::SoftShadowMap.

virtual void osgShadow::ShadowMap::cull ( osgUtil::CullVisitor cv) [virtual]

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

Reimplemented from osgShadow::ShadowTechnique.

const osg::Vec2& osgShadow::ShadowMap::getAmbientBias ( ) const [inline]

Get the values that are used for the ambient bias in the shader.

const osg::Vec2& osgShadow::ShadowMap::getPolygonOffset ( ) const [inline]

get the used polygon offset

const osg::Vec2s& osgShadow::ShadowMap::getTextureSize ( ) const [inline]

Get the values that are used for the ambient bias in the shader.

unsigned int osgShadow::ShadowMap::getTextureUnit ( ) const [inline]

Get the texture unit that the shadow texture will be applied on.

virtual void osgShadow::ShadowMap::init ( ) [virtual]

initialize the ShadowedScene and local cached data structures.

Reimplemented from osgShadow::ShadowTechnique.

osg::ref_ptr<osg::Camera> osgShadow::ShadowMap::makeDebugHUD ( )
osgShadow::ShadowMap::META_Object ( osgShadow  ,
ShadowMap   
)
void osgShadow::ShadowMap::setAmbientBias ( const osg::Vec2 ambientBias)

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

void osgShadow::ShadowMap::setLight ( osg::Light light)

Set the Light that will cast shadows.

void osgShadow::ShadowMap::setLight ( osg::LightSource ls)
void osgShadow::ShadowMap::setPolygonOffset ( const osg::Vec2 polyOffset)

set the polygon offset used initially

void osgShadow::ShadowMap::setTextureSize ( const osg::Vec2s textureSize)

set the size in pixels x / y for the shadow texture.

void osgShadow::ShadowMap::setTextureUnit ( unsigned int  unit)

Set the texture unit that the shadow texture will be applied on.

virtual void osgShadow::ShadowMap::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

unsigned int osgShadow::ShadowMap::_baseTextureUnit [protected]
unsigned int osgShadow::ShadowMap::_shadowTextureUnit [protected]

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

osg logo
Generated at Tue Mar 22 2011 13:20:28 for the OpenSceneGraph by doxygen 1.7.3.