The PbrBtdfNormalisation class Compensate the missing energy for a BTDF and take into account the Fresnel term. More...

Inheritance diagram for PbrBtdfNormalisation:

Public Member Functions
void	configure (const GMathVec3d &reflect_albedo, const GMathVec3d &average_albedo, const GMathVec3d &average_fresnel)

virtual GMathVec3f	evaluate (const GMathVec3f &value, const GMathVec3d &wi, const GMathVec3d &wo, const GMathVec3d &normal, const GMathVec3d &kr, const GMathVec3d &kt) const
	evaluate Evaluate the normalisation necessary to compensate the energy loss and return the value that take into account the normalization.

Public Member Functions inherited from PbrBxdfNormalisation
void	set_strength (const double strength)

const double &	get_strength () const

Public Member Functions inherited from CoreScratchpadObject
virtual	~CoreScratchpadObject ()
	Implement this virtual destructor in your data class, the memory scratchpad will call it on the reset call.

Additional Inherited Members
Protected Attributes inherited from PbrBxdfNormalisation
GMathVec3d	m_average_fresnel

Detailed Description

The PbrBtdfNormalisation class Compensate the missing energy for a BTDF and take into account the Fresnel term.

Member Function Documentation

GMathVec3f PbrBtdfNormalisation::evaluate	(	const GMathVec3f &	value,
		const GMathVec3d &	wi,
		const GMathVec3d &	wo,
		const GMathVec3d &	normal,
		const GMathVec3d &	kr,
		const GMathVec3d &	kt
	)		const

virtual

evaluate Evaluate the normalisation necessary to compensate the energy loss and return the value that take into account the normalization.

Parameters

bxdf	The bxdf that needs to be normalized.
value	The current value return by the bxdf.
wi	The incident ray
normal	the normal where the bxdf is evaluated
kr	The reflection coeffecient of the fresnel
kt	The transmission coeffeceint of the fresnel