State component that injects lighting shaders and uniforms into a state set. It also has a DtLightComputeProgram that does a 2 pass set up/computation of lights affecting screen space tiles, which is then subsequently used by the lighting.

Inheritance diagram for makVrv::DtOsgLightingComponent:

[legend]

Classes
struct	TileLightIndexInfo

Public Member Functions
	DtOsgLightingComponent (DtDe &de)

virtual	~DtOsgLightingComponent ()

virtual void	update (const VectorLights &lights, const osg::State &state, const osg::Camera *camera)

virtual const Vector2_uint32 &	tileSize (void) const

virtual const Vector2_uint32 &	gridMaxDims (void) const

virtual void	updateLightSourceIndexBufferHandle (const osg::Camera camera, DtGlBuffer handle, int maxNumLightSources)

virtual osg::Uniform *	getEnableLightingUniform () const

virtual void	setAmbientFactor (float ambientFactor)

virtual void	setUseGlobalAmbient (bool useGlobalAmbient)

virtual void	setDiffuseFactor (float diffuseFactor)

virtual void	setUseGlobalDiffuse (bool useGlobalDiffuse)

virtual void	setUseHDR (bool useHDR)

virtual void	slot_reloadShader ()

virtual void	setDirty (bool isDirty)

virtual void	setEmissionFactor (float emissionFactor)

virtual bool	dirty () const

virtual void	releaseGLObjects (void)

virtual bool	install (osg::StateSet *stateset)

virtual bool	uninstall (osg::StateSet *stateset)

virtual bool	isInstalled (void) const

virtual void	setComponentVisualizationMode (int mode)

virtual const DtLightingComponentShaderConstants *	shaderConstants (void) const

virtual DtLightingComponentShaderConstants *	shaderConstants (void)

Public Member Functions inherited from makVrv::DtOsgStateComponent
	DtOsgStateComponent (DtDe &de)

Static Public Member Functions
static int	textureStartOffset (void)

Protected Types
typedef std::unordered_map < DtGlBuffer *, int >	BufferToLightIndexMap

typedef std::unordered_map < const osg::Camera *, TileLightIndexInfo >	CameraToTileLightIndexMapInfoMap

Protected Member Functions
virtual void	setLightPointScale (double scale)

virtual void	setDynamicLightScale (double scale)

virtual void	setEmissiveTextureScale (double scale)

virtual void	setSpecularScale (double scale)

virtual void	setShininessScale (double scale)

virtual osg::ref_ptr < osg::Uniform >	createUniform (const std::string &name, osg::Uniform::Type type, int count=1)

virtual void	packLights (const osg::Matrixd &normalMatrix, const VectorLights &lights, const osg::State &state)

virtual void	updateTextureLightDataGrid (void)

virtual void	updateTiledShadingData (const VectorLights &lights, const osg::State &state, const osg::Camera *camera)

virtual void	updateTileLightIndexList (const std::vector< Matrix4_64 > &projectionMatrix, const std::vector< Vector3_64 > &vWorldEye, const std::vector< Vector3_64 > &vWorldCenter, const std::vector< Vector3_64 > &vWorldUp, const Vector2_uint32 &viewportSize, const osg::Camera *camera)

virtual void	initializeColorRampTexture ()

virtual int	lightGridSize ()

virtual int	maxUboSize ()

virtual void	setUpDebugTextureComponentMode (void)

virtual std::string	findDebugTexturePath (void) const

Protected Member Functions inherited from makVrv::DtOsgStateComponent
virtual	~DtOsgStateComponent ()

virtual const std::string &	loadShaderSource (const std::string &strFileName) const

Protected Attributes
osg::ref_ptr< osg::Uniform >	myEnableLightingUniform

osg::ref_ptr< osg::Uniform >	myLightingOffClampUniform

std::vector< osg::ref_ptr < osg::Uniform > >	myUniforms

DtLightData *	myLightGrid

std::array< DtGlBuffer *, DtBindingManager::theLightBlockCount >	myLightUBO

DtTileSpaceLightGrid *	myTileSpaceLightGrid

DtGlBuffer *	myTileLightIndexListSsbo

DtGlBuffer *	myTileLightIndexListSsboPreCompute

DtGlBuffer *	myTileLightIntersectionDataSsbo

DtGlBuffer *	myTileLightIndexBuffersInfoSsbo

CameraToTileLightIndexMapInfoMap	myCameraToTileLightIndexMapInfoMap

DtGlSimpleTexture *	myColorRampTexture

osg::ref_ptr< osg::Uniform >	myColorRampTextureUniform

osg::ref_ptr < TextureApplyAttribute >	myTextureApplyAttribute

osg::ref_ptr < DtUniformBufferObjectApplyAttribute >	myUniformBufferObjectApplyAttribute

osg::ref_ptr < DtShaderStorageBufferApplyAttribute >	myShaderStorageBufferApplyAttribute

DtGlBuffer *	myGpuShaderUbo = nullptr

int	myGpuShaderUboBinding

DtLightingComponentShaderConstants *	myShaderConstants = nullptr

DtOsgLightingComponentUboCallback *	myUboCallback = nullptr

osg::ref_ptr< osg::Uniform >	myAmbientFactorUniform

bool	myUseGlobalAmbient

osg::ref_ptr< osg::Uniform >	myUseGlobalAmbientUniform

osg::ref_ptr< osg::Uniform >	myDiffuseFactorUniform

bool	myUseGlobalDiffuse

osg::ref_ptr< osg::Uniform >	myUseGlobalDiffuseUniform

bool	myUseHDR

bool	myDirty

osg::ref_ptr< osg::Uniform >	myUpVectorUniform

osg::ref_ptr< osg::Uniform >	myBDRFLutUniform

osg::ref_ptr< osg::Texture2D >	myBDRFLutTexture

osg::ref_ptr< osg::Image >	myBrdfLutImage

osg::ref_ptr< osg::Uniform >	myModelTypeDefaultUniform

VectorLights	myViewSpaceLightsScratchPad

bool	myIsInstalled

DtSignalConnectionManager	myConnections

GLint	myMaxUboSizeInBytes

int	myLightGridSize

const DtBindingManager &	myBindingManager

DtLightComputeProgram *	myLightComputeProgram

osg::ref_ptr< osg::Texture >	myDebugTexture

Protected Attributes inherited from makVrv::DtOsgStateComponent
DtDe &	myDe

DtOsgShaderFilesCache &	myShaderFilesCache

Static Protected Attributes
static bool	bColorRampTextureWasTried

static const float	theLightPointHdrScalar

static const float	theDynamicLightHdrScalar

static const float	theEmissiveTextureHdrScalar

Private Member Functions
	DtOsgLightingComponent ()=delete

	DtOsgLightingComponent (const DtOsgLightingComponent &)=delete

DtOsgLightingComponent &	operator= (const DtOsgLightingComponent &)=delete

Friends
class	DtOsgLightingComponentUboCallback

Member Typedef Documentation

typedef std::unordered_map<DtGlBuffer*, int> makVrv::DtOsgLightingComponent::BufferToLightIndexMap

protected

typedef std::unordered_map<const osg::Camera*, TileLightIndexInfo> makVrv::DtOsgLightingComponent::CameraToTileLightIndexMapInfoMap

protected

Constructor & Destructor Documentation

makVrv::DtOsgLightingComponent::DtOsgLightingComponent ( DtDe & de )

CTOR.

virtual makVrv::DtOsgLightingComponent::~DtOsgLightingComponent ( )

virtual

DTOR.

makVrv::DtOsgLightingComponent::DtOsgLightingComponent ( )

privatedelete

private default constructor. not allowed.

makVrv::DtOsgLightingComponent::DtOsgLightingComponent ( const DtOsgLightingComponent & )

privatedelete

prevent copy-construction

Member Function Documentation

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

privatedelete

prevent assignment

virtual void makVrv::DtOsgLightingComponent::update	(	const VectorLights &	lights,
		const osg::State &	state,
		const osg::Camera *	camera
	)

virtual

Update the lighting uniforms with new light data.

virtual const Vector2_uint32& makVrv::DtOsgLightingComponent::tileSize ( void ) const

virtual

get the tile size

virtual const Vector2_uint32& makVrv::DtOsgLightingComponent::gridMaxDims ( void ) const

virtual

get the grid max dimensions

virtual void makVrv::DtOsgLightingComponent::updateLightSourceIndexBufferHandle	(	const osg::Camera *	camera,
		DtGlBuffer *	handle,
		int	maxNumLightSources
	)

virtual

add/update/remove a light source index buffer handle/size entry in the map

virtual osg::Uniform* makVrv::DtOsgLightingComponent::getEnableLightingUniform ( ) const

virtual

Gets the uniform that toggles lighting.

virtual void makVrv::DtOsgLightingComponent::setAmbientFactor ( float ambientFactor )

virtual

Sets the ambient factor uniform.

virtual void makVrv::DtOsgLightingComponent::setUseGlobalAmbient ( bool useGlobalAmbient )

virtual

Enables/Disables the usage of the material ambient and global ambient.

virtual void makVrv::DtOsgLightingComponent::setDiffuseFactor ( float diffuseFactor )

virtual

Sets the difuse factor uniform.

virtual void makVrv::DtOsgLightingComponent::setUseGlobalDiffuse ( bool useGlobalDiffuse )

virtual

Enables/Disables the usage of the material diffuse and global diffuse.

virtual void makVrv::DtOsgLightingComponent::setUseHDR ( bool useHDR )

virtual

Enables/Disables HDR Lighting.

virtual void makVrv::DtOsgLightingComponent::slot_reloadShader ( )

virtual

reload the light source compute shaders

virtual void makVrv::DtOsgLightingComponent::setDirty ( bool isDirty )

inlinevirtual

Sets dirty state for reinstallation.

virtual void makVrv::DtOsgLightingComponent::setEmissionFactor ( float emissionFactor )

virtual

Sets the emission factor uniform.

virtual bool makVrv::DtOsgLightingComponent::dirty ( ) const

inlinevirtual

Checks if component needs to be re-installed.

virtual void makVrv::DtOsgLightingComponent::releaseGLObjects ( void )

virtual

virtual bool makVrv::DtOsgLightingComponent::install ( osg::StateSet * stateset )

virtual

Install this component on a state set.

Implements makVrv::DtOsgStateComponent.

virtual bool makVrv::DtOsgLightingComponent::uninstall ( osg::StateSet * stateset )

virtual

Uninstall this component from a state set.

Implements makVrv::DtOsgStateComponent.

virtual bool makVrv::DtOsgLightingComponent::isInstalled ( void ) const

virtual

checks whether its installed

virtual void makVrv::DtOsgLightingComponent::setComponentVisualizationMode ( int mode )

virtual

set the component visualization mode

virtual const DtLightingComponentShaderConstants* makVrv::DtOsgLightingComponent::shaderConstants ( void ) const

virtual

get the shader constants

virtual DtLightingComponentShaderConstants* makVrv::DtOsgLightingComponent::shaderConstants ( void )

virtual

get the shader constants, non const

static int makVrv::DtOsgLightingComponent::textureStartOffset ( void )

static

virtual void makVrv::DtOsgLightingComponent::setLightPointScale ( double scale )

protectedvirtual

virtual void makVrv::DtOsgLightingComponent::setDynamicLightScale ( double scale )

protectedvirtual

virtual void makVrv::DtOsgLightingComponent::setEmissiveTextureScale ( double scale )

protectedvirtual

virtual void makVrv::DtOsgLightingComponent::setSpecularScale ( double scale )

protectedvirtual

virtual void makVrv::DtOsgLightingComponent::setShininessScale ( double scale )

protectedvirtual

virtual osg::ref_ptr<osg::Uniform> makVrv::DtOsgLightingComponent::createUniform	(	const std::string &	name,
		osg::Uniform::Type	type,
		int	count = `1`
	)

protectedvirtual

virtual void makVrv::DtOsgLightingComponent::packLights	(	const osg::Matrixd &	normalMatrix,
		const VectorLights &	lights,
		const osg::State &	state
	)

protectedvirtual

virtual void makVrv::DtOsgLightingComponent::updateTextureLightDataGrid ( void )

protectedvirtual

virtual void makVrv::DtOsgLightingComponent::updateTiledShadingData	(	const VectorLights &	lights,
		const osg::State &	state,
		const osg::Camera *	camera
	)

protectedvirtual

run the compute shaders in order to update the per camera lighting data and bin the lights in screenspace.

virtual void makVrv::DtOsgLightingComponent::updateTileLightIndexList	(	const std::vector< Matrix4_64 > &	projectionMatrix,
		const std::vector< Vector3_64 > &	vWorldEye,
		const std::vector< Vector3_64 > &	vWorldCenter,
		const std::vector< Vector3_64 > &	vWorldUp,
		const Vector2_uint32 &	viewportSize,
		const osg::Camera *	camera
	)

protectedvirtual

Updates the per-light-grid index lists.

virtual void makVrv::DtOsgLightingComponent::initializeColorRampTexture ( )

protectedvirtual

Updates the offsets and counts into the index grid.

virtual int makVrv::DtOsgLightingComponent::lightGridSize ( )

protectedvirtual

Returns the number of lights in the light grid.

virtual int makVrv::DtOsgLightingComponent::maxUboSize ( )

protectedvirtual

Returns the maximum UBO size that we'll use for a light UBO.

virtual void makVrv::DtOsgLightingComponent::setUpDebugTextureComponentMode ( void )

protectedvirtual

set up the debug texture mode

virtual std::string makVrv::DtOsgLightingComponent::findDebugTexturePath ( void ) const

protectedvirtual

find the path of the debug texture

Friends And Related Function Documentation

friend class DtOsgLightingComponentUboCallback

friend

Member Data Documentation

osg::ref_ptr<osg::Uniform> makVrv::DtOsgLightingComponent::myEnableLightingUniform

protected

osg::ref_ptr<osg::Uniform> makVrv::DtOsgLightingComponent::myLightingOffClampUniform

protected

std::vector< osg::ref_ptr<osg::Uniform> > makVrv::DtOsgLightingComponent::myUniforms

protected

DtLightData* makVrv::DtOsgLightingComponent::myLightGrid

protected

std::array<DtGlBuffer*, DtBindingManager::theLightBlockCount> makVrv::DtOsgLightingComponent::myLightUBO

protected

DtTileSpaceLightGrid* makVrv::DtOsgLightingComponent::myTileSpaceLightGrid

protected

DtGlBuffer* makVrv::DtOsgLightingComponent::myTileLightIndexListSsbo

protected

Holds a set of indexes, one per light tile. This can get big, so cannot fit in a UBO.

DtGlBuffer* makVrv::DtOsgLightingComponent::myTileLightIndexListSsboPreCompute

protected

DtGlBuffer* makVrv::DtOsgLightingComponent::myTileLightIntersectionDataSsbo

protected

DtGlBuffer* makVrv::DtOsgLightingComponent::myTileLightIndexBuffersInfoSsbo

protected

CameraToTileLightIndexMapInfoMap makVrv::DtOsgLightingComponent::myCameraToTileLightIndexMapInfoMap

protected

DtGlSimpleTexture* makVrv::DtOsgLightingComponent::myColorRampTexture

protected

osg::ref_ptr<osg::Uniform> makVrv::DtOsgLightingComponent::myColorRampTextureUniform

protected

osg::ref_ptr<TextureApplyAttribute> makVrv::DtOsgLightingComponent::myTextureApplyAttribute

protected

osg::ref_ptr<DtUniformBufferObjectApplyAttribute> makVrv::DtOsgLightingComponent::myUniformBufferObjectApplyAttribute

protected

osg::ref_ptr<DtShaderStorageBufferApplyAttribute> makVrv::DtOsgLightingComponent::myShaderStorageBufferApplyAttribute

protected

DtGlBuffer* makVrv::DtOsgLightingComponent::myGpuShaderUbo = nullptr

protected

int makVrv::DtOsgLightingComponent::myGpuShaderUboBinding

protected

DtLightingComponentShaderConstants* makVrv::DtOsgLightingComponent::myShaderConstants = nullptr

protected

DtOsgLightingComponentUboCallback* makVrv::DtOsgLightingComponent::myUboCallback = nullptr

protected

osg::ref_ptr<osg::Uniform> makVrv::DtOsgLightingComponent::myAmbientFactorUniform

protected

bool makVrv::DtOsgLightingComponent::myUseGlobalAmbient

protected

osg::ref_ptr<osg::Uniform> makVrv::DtOsgLightingComponent::myUseGlobalAmbientUniform

protected

osg::ref_ptr<osg::Uniform> makVrv::DtOsgLightingComponent::myDiffuseFactorUniform

protected

bool makVrv::DtOsgLightingComponent::myUseGlobalDiffuse

protected

osg::ref_ptr<osg::Uniform> makVrv::DtOsgLightingComponent::myUseGlobalDiffuseUniform

protected

bool makVrv::DtOsgLightingComponent::myUseHDR

protected

bool makVrv::DtOsgLightingComponent::myDirty

protected

osg::ref_ptr<osg::Uniform> makVrv::DtOsgLightingComponent::myUpVectorUniform

protected

osg::ref_ptr<osg::Uniform> makVrv::DtOsgLightingComponent::myBDRFLutUniform

protected

osg::ref_ptr<osg::Texture2D> makVrv::DtOsgLightingComponent::myBDRFLutTexture

protected

osg::ref_ptr<osg::Image> makVrv::DtOsgLightingComponent::myBrdfLutImage

protected

osg::ref_ptr<osg::Uniform> makVrv::DtOsgLightingComponent::myModelTypeDefaultUniform

protected

VectorLights makVrv::DtOsgLightingComponent::myViewSpaceLightsScratchPad

protected

bool makVrv::DtOsgLightingComponent::myIsInstalled

protected

DtSignalConnectionManager makVrv::DtOsgLightingComponent::myConnections

protected

bool makVrv::DtOsgLightingComponent::bColorRampTextureWasTried

staticprotected

GLint makVrv::DtOsgLightingComponent::myMaxUboSizeInBytes

protected

int makVrv::DtOsgLightingComponent::myLightGridSize

protected

const DtBindingManager& makVrv::DtOsgLightingComponent::myBindingManager

protected

DtLightComputeProgram* makVrv::DtOsgLightingComponent::myLightComputeProgram

protected

const float makVrv::DtOsgLightingComponent::theLightPointHdrScalar

staticprotected

const float makVrv::DtOsgLightingComponent::theDynamicLightHdrScalar

staticprotected

const float makVrv::DtOsgLightingComponent::theEmissiveTextureHdrScalar

staticprotected

osg::ref_ptr<osg::Texture> makVrv::DtOsgLightingComponent::myDebugTexture

protected

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

/data/exports/nrhent7-1/nightly/docs/vrForces.vrf5-0-branch/include/vrvOsg/DtOsgLightingComponent.h

Classes

Public Member Functions

Static Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Static Protected Attributes

Private Member Functions

Friends

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation