castor3d::shader::BRDFHelpers Class Reference

#include <GlslBRDFHelpers.hpp>

Public Member Functions
C3D_API	BRDFHelpers (sdw::ShaderWriter &writer)
C3D_API sdw::RetFloat	visibilitySmithGGXCorrelated (sdw::Float const &NdotV, sdw::Float const &NdotL, sdw::Float const &alphaRoughness)
C3D_API sdw::RetFloat	visibilityGGX (sdw::Float const &NdotV, sdw::Float const &NdotL, sdw::Float const &alphaRoughness)
C3D_API sdw::RetFloat	visibilityBeckmann (sdw::Float const &NdotL, sdw::Float const &NdotV, sdw::Float const &NdotH, sdw::Float const &VdotH)
C3D_API sdw::RetFloat	visibilityAshikhmin (sdw::Float const &NdotL, sdw::Float const &NdotV)
C3D_API sdw::RetFloat	visibilitySheen (sdw::Float const &NdotV, sdw::Float const &NdotL, sdw::Float const &sheenRoughness)
C3D_API sdw::RetFloat	distributionBlinn (sdw::Float const &NdotH, sdw::Float const &alphaRoughness)
C3D_API sdw::RetFloat	distributionBeckmann (sdw::Float const &NdotH, sdw::Float const &alphaRoughness)
C3D_API sdw::RetFloat	distributionGGX (sdw::Float const &NdotH, sdw::Float const &alphaRoughness)
C3D_API sdw::RetFloat	distributionCharlie (sdw::Float const &NdotH, sdw::Float const &sheenRoughness)
C3D_API RetMicrofacetDistributionSample	importanceSampleGGX (sdw::Vec2 const &xi, sdw::Float const &roughness)
C3D_API RetMicrofacetDistributionSample	importanceSampleCharlie (sdw::Vec2 const &xi, sdw::Float const &roughness)
C3D_API sdw::RetVec4	getImportanceSample (MicrofacetDistributionSample const &is, sdw::Vec3 const &n)
C3D_API sdw::RetVec2	hammersley (sdw::UInt const &i, sdw::UInt const &n)
C3D_API void	computeSpecularBrdfs (DebugOutputCategory const &debugOutput, BlendComponents const &components, sdw::Vec3 const &reflectedDiffuse, sdw::Vec3 const &reflectedSpecular, sdw::Vec3 const &metalFresnel, sdw::Vec3 const &dielectricFresnel, sdw::Vec3 &metal, sdw::Vec3 &dielectric)
C3D_API sdw::RetVec3	computeFresnel (sdw::Float const &NdotV, sdw::Float const &roughness, sdw::Vec3 const &F0, sdw::Float const &specularWeight)

Constructor & Destructor Documentation

BRDFHelpers()

C3D_API castor3d::shader::BRDFHelpers::BRDFHelpers ( sdw::ShaderWriter & writer )

explicit

Member Function Documentation

computeFresnel()

C3D_API sdw::RetVec3 castor3d::shader::BRDFHelpers::computeFresnel	(	sdw::Float const &	NdotV,
		sdw::Float const &	roughness,
		sdw::Vec3 const &	F0,
		sdw::Float const &	specularWeight )

computeSpecularBrdfs()

C3D_API void castor3d::shader::BRDFHelpers::computeSpecularBrdfs	(	DebugOutputCategory const &	debugOutput,
		BlendComponents const &	components,
		sdw::Vec3 const &	reflectedDiffuse,
		sdw::Vec3 const &	reflectedSpecular,
		sdw::Vec3 const &	metalFresnel,
		sdw::Vec3 const &	dielectricFresnel,
		sdw::Vec3 &	metal,
		sdw::Vec3 &	dielectric )

distributionBeckmann()

C3D_API sdw::RetFloat castor3d::shader::BRDFHelpers::distributionBeckmann	(	sdw::Float const &	NdotH,
		sdw::Float const &	alphaRoughness )

distributionBlinn()

C3D_API sdw::RetFloat castor3d::shader::BRDFHelpers::distributionBlinn	(	sdw::Float const &	NdotH,
		sdw::Float const &	alphaRoughness )

distributionCharlie()

C3D_API sdw::RetFloat castor3d::shader::BRDFHelpers::distributionCharlie	(	sdw::Float const &	NdotH,
		sdw::Float const &	sheenRoughness )

distributionGGX()

C3D_API sdw::RetFloat castor3d::shader::BRDFHelpers::distributionGGX	(	sdw::Float const &	NdotH,
		sdw::Float const &	alphaRoughness )

getImportanceSample()

C3D_API sdw::RetVec4 castor3d::shader::BRDFHelpers::getImportanceSample	(	MicrofacetDistributionSample const &	is,
		sdw::Vec3 const &	n )

hammersley()

C3D_API sdw::RetVec2 castor3d::shader::BRDFHelpers::hammersley	(	sdw::UInt const &	i,
		sdw::UInt const &	n )

importanceSampleCharlie()

C3D_API RetMicrofacetDistributionSample castor3d::shader::BRDFHelpers::importanceSampleCharlie	(	sdw::Vec2 const &	xi,
		sdw::Float const &	roughness )

importanceSampleGGX()

C3D_API RetMicrofacetDistributionSample castor3d::shader::BRDFHelpers::importanceSampleGGX	(	sdw::Vec2 const &	xi,
		sdw::Float const &	roughness )

visibilityAshikhmin()

C3D_API sdw::RetFloat castor3d::shader::BRDFHelpers::visibilityAshikhmin	(	sdw::Float const &	NdotL,
		sdw::Float const &	NdotV )

visibilityBeckmann()

C3D_API sdw::RetFloat castor3d::shader::BRDFHelpers::visibilityBeckmann	(	sdw::Float const &	NdotL,
		sdw::Float const &	NdotV,
		sdw::Float const &	NdotH,
		sdw::Float const &	VdotH )

visibilityGGX()

C3D_API sdw::RetFloat castor3d::shader::BRDFHelpers::visibilityGGX	(	sdw::Float const &	NdotV,
		sdw::Float const &	NdotL,
		sdw::Float const &	alphaRoughness )

visibilitySheen()

C3D_API sdw::RetFloat castor3d::shader::BRDFHelpers::visibilitySheen	(	sdw::Float const &	NdotV,
		sdw::Float const &	NdotL,
		sdw::Float const &	sheenRoughness )

visibilitySmithGGXCorrelated()

C3D_API sdw::RetFloat castor3d::shader::BRDFHelpers::visibilitySmithGGXCorrelated	(	sdw::Float const &	NdotV,
		sdw::Float const &	NdotL,
		sdw::Float const &	alphaRoughness )

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

• Castor3D/Shader/Shaders/GlslBRDFHelpers.hpp