makVrv::DtVolumetricDrawable Class Reference

class used to render crepuscular rays during the post processor camera draw More...

Inheritance diagram for makVrv::DtVolumetricDrawable:

Public Types
enum	VOLUMETRIC_PASS { DOWNSAMPLE4X = 0, VOLUMETRIC_RAYS, FINAL_PASS, PASSES_SIZE }

Public Member Functions
virtual	~DtVolumetricDrawable ()
	destructor More...
virtual void	reloadShaders ()
	Trigger shader reload by marking them as dirty using myShadersDirtyFlag. More...
virtual void	drawImplementation (osg::RenderInfo &renderInfo) const
	overridden More...
virtual void	setSize (int width, int height)
	overridden currently unneeded because the postprocessor drawable is always deleted/recreated because of channel creation/destruction virtual void releaseGLObjects(osg::State* state = 0) const; //! More...
virtual void	setOcclusionTexture (osg::Texture *inputTex)
	setter for the input texture from the previous post processor or main rendering More...
virtual void	setBaseTexture (osg::Texture *inputTex)
	setter for the base texture More...
virtual void	setVisible (bool visible)
	set/get visibility More...
virtual bool	visible () const
virtual void	setParameters (const DtCrepuscularRaysParameters &params)
	communicate the parameters for the crepuscular rays More...
Public Member Functions inherited from makVrv::DtPostProcessorDrawable
	DtPostProcessorDrawable (DtDe &de)
	DtPostProcessorDrawable (const DtPostProcessorDrawable &orig, const osg::CopyOp &op)
virtual	~DtPostProcessorDrawable ()
virtual void	drawTexturedQuad (bool drawOnly=false) const
	prevent assignment More...
virtual void	beginTexturedQuad () const
	vert pointes gl states etc More...
virtual void	endTexturedQuad () const
	disable modes stup in begin More...
virtual std::string	preprocessorDefinesString (void) const
	preprocessor string taking into account the current options (multiview, etc) More...
virtual DtGlProgram *	createProgram (const std::string &path, const std::string &prefixName, const std::string &preprocessor="") const
	create a program based on the name (name_ps.glsl and name_vs.glsl files are used) More...

Protected Member Functions
	DtVolumetricDrawable (DtDe &de)
	constructor. private. only creator can create More...
virtual void	initRenderTextures () const
	initializes all the render textures if they have not been initialized yet More...
virtual void	downSample4xPass (osg::State *state) const
	down sample 4x pass More...
virtual void	volumetricRaysPass (osg::State *state) const
	volumetric rays pass More...
virtual void	compositeRaysPass (osg::State *state) const
	final compositing pass More...
virtual void	createComputeProgramIfNecessary (VOLUMETRIC_PASS pass, const std::string &path, const std::string &name) const
	helper function to create compute program More...
virtual void	createProgramIfNecessary (VOLUMETRIC_PASS pass, const std::string &path, const std::string &prefixName) const
	create the drawing program if not created already More...
virtual void	initializeUniformLocations (VOLUMETRIC_PASS pass) const
	initialize locations for the various uniforms More...
virtual void	zeroOutUniformLocations () const
	brief initialize locations of the various uniforms to an unknown/invalid value More...
virtual void	deleteShaders () const
	Delete the shaders. More...
Protected Member Functions inherited from makVrv::DtPostProcessorDrawable
void	setupGeometry () const
	brief setup the vertex buffer object used in draw quad More...

Protected Attributes
friend	DtVolumetricDrawableCreator
	friended, to access constructor above More...
int	myChannelWidth
int	myChannelHeight
osg::ref_ptr< osg::Texture >	myOcclusionTex
osg::ref_ptr< osg::Texture >	myBaseTex
DtGlTexture *	myMutableDownSampledOcclusionTexture
DtGlTexture *	myMutableVolumetricRaysBuffer
bool	myVisible
std::array< DtGlProgram *, PASSES_SIZE >	myMutablePrograms
DtCrepuscularRaysParameters	myParameters
int	myMutableSlLightPositionOnScreenLoc
int	myMutableSlParametersLoc
int	myMutableSlLightColorLoc
int	myMutableSlOutputScaleLoc
int	myMutableBaseStrengthLoc
int	myMutableBaseTextureLoc
int	myMutableVolumetricTextureLoc
bool	myMutableShadersDirtyFlag
	This is set to true upon reloadShaders() and will trigger a recreation in drawImplementation() More...
Protected Attributes inherited from makVrv::DtPostProcessorDrawable
DtDe &	myDe
unsigned int	myMutableVbo

Private Member Functions
	DtVolumetricDrawable ()
	private default constructor. not allowed. More...
	DtVolumetricDrawable (const DtVolumetricDrawable &)
	prevent copy-construction More...
DtVolumetricDrawable &	operator= (const DtVolumetricDrawable &)
	prevent assignment More...

Detailed Description

class used to render crepuscular rays during the post processor camera draw

Member Enumeration Documentation

enum makVrv::DtVolumetricDrawable::VOLUMETRIC_PASS

Enumerator
DOWNSAMPLE4X
VOLUMETRIC_RAYS
FINAL_PASS
PASSES_SIZE

Constructor & Destructor Documentation

virtual makVrv::DtVolumetricDrawable::~DtVolumetricDrawable ( )

virtual

destructor

makVrv::DtVolumetricDrawable::DtVolumetricDrawable ( DtDe &  de )

protected

constructor. private. only creator can create

makVrv::DtVolumetricDrawable::DtVolumetricDrawable ( )

private

private default constructor. not allowed.

makVrv::DtVolumetricDrawable::DtVolumetricDrawable ( const DtVolumetricDrawable &  )

private

prevent copy-construction

Member Function Documentation

DtVolumetricDrawable& makVrv::DtVolumetricDrawable::operator= ( const DtVolumetricDrawable &  )

private

prevent assignment

virtual void makVrv::DtVolumetricDrawable::reloadShaders ( )

virtual

Trigger shader reload by marking them as dirty using myShadersDirtyFlag.

virtual void makVrv::DtVolumetricDrawable::drawImplementation ( osg::RenderInfo &  renderInfo ) const

virtual

overridden

virtual void makVrv::DtVolumetricDrawable::setSize ( int  width, int  height  )

virtual

overridden currently unneeded because the postprocessor drawable is always deleted/recreated because of channel creation/destruction virtual void releaseGLObjects(osg::State* state = 0) const; //!

overridden currently unneeded because the postprocessor drawable is always deleted/recreated because of channel creation/destruction set the 'viewport' size

virtual void makVrv::DtVolumetricDrawable::setOcclusionTexture ( osg::Texture *  inputTex )

virtual

setter for the input texture from the previous post processor or main rendering

virtual void makVrv::DtVolumetricDrawable::setBaseTexture ( osg::Texture *  inputTex )

virtual

setter for the base texture

virtual void makVrv::DtVolumetricDrawable::setVisible ( bool  visible )

inlinevirtual

set/get visibility

virtual bool makVrv::DtVolumetricDrawable::visible ( ) const

inlinevirtual

virtual void makVrv::DtVolumetricDrawable::setParameters ( const DtCrepuscularRaysParameters &  params )

virtual

communicate the parameters for the crepuscular rays

virtual void makVrv::DtVolumetricDrawable::initRenderTextures ( ) const

protectedvirtual

initializes all the render textures if they have not been initialized yet

virtual void makVrv::DtVolumetricDrawable::downSample4xPass ( osg::State *  state ) const

protectedvirtual

down sample 4x pass

virtual void makVrv::DtVolumetricDrawable::volumetricRaysPass ( osg::State *  state ) const

protectedvirtual

volumetric rays pass

virtual void makVrv::DtVolumetricDrawable::compositeRaysPass ( osg::State *  state ) const

protectedvirtual

final compositing pass

virtual void makVrv::DtVolumetricDrawable::createComputeProgramIfNecessary ( VOLUMETRIC_PASS  pass, const std::string &  path, const std::string &  name  ) const

protectedvirtual

helper function to create compute program

virtual void makVrv::DtVolumetricDrawable::createProgramIfNecessary ( VOLUMETRIC_PASS  pass, const std::string &  path, const std::string &  prefixName  ) const

protectedvirtual

create the drawing program if not created already

virtual void makVrv::DtVolumetricDrawable::initializeUniformLocations ( VOLUMETRIC_PASS  pass ) const

protectedvirtual

initialize locations for the various uniforms

virtual void makVrv::DtVolumetricDrawable::zeroOutUniformLocations ( ) const

protectedvirtual

brief initialize locations of the various uniforms to an unknown/invalid value

virtual void makVrv::DtVolumetricDrawable::deleteShaders ( ) const

protectedvirtual

Delete the shaders.

Member Data Documentation

friend makVrv::DtVolumetricDrawable::DtVolumetricDrawableCreator

protected

friended, to access constructor above

int makVrv::DtVolumetricDrawable::myChannelWidth

protected

int makVrv::DtVolumetricDrawable::myChannelHeight

protected

osg::ref_ptr<osg::Texture> makVrv::DtVolumetricDrawable::myOcclusionTex

protected

osg::ref_ptr<osg::Texture> makVrv::DtVolumetricDrawable::myBaseTex

protected

DtGlTexture* makVrv::DtVolumetricDrawable::myMutableDownSampledOcclusionTexture

mutableprotected

DtGlTexture* makVrv::DtVolumetricDrawable::myMutableVolumetricRaysBuffer

mutableprotected

bool makVrv::DtVolumetricDrawable::myVisible

protected

std::array<DtGlProgram*, PASSES_SIZE> makVrv::DtVolumetricDrawable::myMutablePrograms

mutableprotected

DtCrepuscularRaysParameters makVrv::DtVolumetricDrawable::myParameters

protected

int makVrv::DtVolumetricDrawable::myMutableSlLightPositionOnScreenLoc

mutableprotected

int makVrv::DtVolumetricDrawable::myMutableSlParametersLoc

mutableprotected

int makVrv::DtVolumetricDrawable::myMutableSlLightColorLoc

mutableprotected

int makVrv::DtVolumetricDrawable::myMutableSlOutputScaleLoc

mutableprotected

int makVrv::DtVolumetricDrawable::myMutableBaseStrengthLoc

mutableprotected

int makVrv::DtVolumetricDrawable::myMutableBaseTextureLoc

mutableprotected

int makVrv::DtVolumetricDrawable::myMutableVolumetricTextureLoc

mutableprotected

bool makVrv::DtVolumetricDrawable::myMutableShadersDirtyFlag

mutableprotected

This is set to true upon reloadShaders() and will trigger a recreation in drawImplementation()

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

• /data/exports/nrhent7-1/nightly/docs/vrForces.vrf4-10-branch/include/vrvPostProcessor/DtVolumetricDrawable.h