Implements an Irradiance Field with Depth, inspired on DDGI. More...

#include <OgreIrradianceField.h>

Inheritance diagram for Ogre::IrradianceField:

Public Types
enum	DebugVisualizationMode { DebugVisualizationColour , DebugVisualizationDepth , DebugVisualizationNone }

Public Member Functions
	IrradianceField (Root root, SceneManager sceneManager)

	~IrradianceField ()

void	createTextures ()

void	destroyTextures ()

void	fillConstBufferData (const Matrix4 &viewMatrix, float *RESTRICT_ALIAS passBufferPtr) const

size_t	getConstBufferSize () const

uint8	getDebugTessellation () const

bool	getDebugVisualizationMode () const

TextureGpu *	getDepthVarianceTex () const

TextureGpu *	getIrradianceTex () const

void	initialize (const IrradianceFieldSettings &settings, const Vector3 &fieldOrigin, const Vector3 &fieldSize, VctLighting *vctLighting)
	initialize More...

void	reset ()
	If VctLighting was updated with minor changes (e.g. More...

void	setDebugVisualization (IrradianceField::DebugVisualizationMode mode, SceneManager *sceneManager, uint8 tessellation)

void	update (uint32 probesPerFrame=200u)

Public Member Functions inherited from Ogre::IdObject
	IdObject (IdType id)
	We don't call generateNewId() here, to prevent objects in the stack (i.e. More...

IdType	getId () const
	Get the unique id of this object. More...

bool	operator() (const IdObject &left, const IdObject &right)

bool	operator() (const IdObject left, const IdObject right)

Detailed Description

Implements an Irradiance Field with Depth, inspired on DDGI.

We use the voxelized results from VCT. Afterwards once we have Raytracing, we'll also allow to use Raytracing instead; since both are very similars (with VCT we shoot cones instead of rays)

See also: Snippet taken from Dynamic Diffuse Global Illumination with Ray-Traced Irradiance Fields Zander Majercik, NVIDIA; Jean-Philippe Guertin, Université de Montréal; Derek Nowrouzezahrai, McGill University; Morgan McGuire, NVIDIA and McGill University http://jcgt.org/published/0008/02/01/; https://github.com/OGRECave/ogre-next/issues/29

Member Enumeration Documentation

◆ DebugVisualizationMode

enum Ogre::IrradianceField::DebugVisualizationMode

Enumerator
DebugVisualizationColour
DebugVisualizationDepth
DebugVisualizationNone

Constructor & Destructor Documentation

◆ IrradianceField()

Ogre::IrradianceField::IrradianceField	(	Root *	root,
		SceneManager *	sceneManager
	)

◆ ~IrradianceField()

Ogre::IrradianceField::~IrradianceField ( )

Member Function Documentation

◆ createTextures()

void Ogre::IrradianceField::createTextures ( )

◆ destroyTextures()

void Ogre::IrradianceField::destroyTextures ( )

◆ fillConstBufferData()

void Ogre::IrradianceField::fillConstBufferData	(	const Matrix4 &	viewMatrix,
		float *RESTRICT_ALIAS	passBufferPtr
	)		const

◆ getConstBufferSize()

size_t Ogre::IrradianceField::getConstBufferSize ( ) const

◆ getDebugTessellation()

uint8 Ogre::IrradianceField::getDebugTessellation ( ) const

◆ getDebugVisualizationMode()

bool Ogre::IrradianceField::getDebugVisualizationMode ( ) const

◆ getDepthVarianceTex()

TextureGpu* Ogre::IrradianceField::getDepthVarianceTex ( ) const

inline

◆ getIrradianceTex()

TextureGpu* Ogre::IrradianceField::getIrradianceTex ( ) const

inline

◆ initialize()

void Ogre::IrradianceField::initialize	(	const IrradianceFieldSettings &	settings,
		const Vector3 &	fieldOrigin,
		const Vector3 &	fieldSize,
		VctLighting *	vctLighting
	)

initialize

Parameters

settings
fieldOrigin
fieldSize
vctLighting	This value is ignored if IrradianceFieldSettings::usesRaster() returns true, and must be non-null if it returns false

◆ reset()

void Ogre::IrradianceField::reset ( )

If VctLighting was updated with minor changes (e.g.

light position/direction changed, number of bounces setting changed) then call this function so update() process it again.

If major changes happens to VctLighting, then call initialize() again

◆ setDebugVisualization()

void Ogre::IrradianceField::setDebugVisualization	(	IrradianceField::DebugVisualizationMode	mode,
		SceneManager *	sceneManager,
		uint8	tessellation
	)