@babylonjs/core/ShadersWGSL/ShadersInclude/openpbrGeometryInfo.js

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// Do not edit.
import { ShaderStore } from "../../Engines/shaderStore.js";
const name = "openpbrGeometryInfo";
const shader = `struct geometryInfoOutParams
{NdotV: f32,
NdotVUnclamped: f32,
environmentBrdf: vec3f,
horizonOcclusion: f32};struct geometryInfoAnisoOutParams
{NdotV: f32,
NdotVUnclamped: f32,
environmentBrdf: vec3f,
horizonOcclusion: f32,
anisotropy: f32,
anisotropicTangent: vec3f,
anisotropicBitangent: vec3f,
TBN: mat3x3<f32>};fn geometryInfo(
normalW: vec3f,viewDirectionW: vec3f,roughness: f32,geometricNormalW: vec3f
)->geometryInfoOutParams
{var outParams: geometryInfoOutParams;outParams.NdotVUnclamped=dot(normalW,viewDirectionW);outParams.NdotV=absEps(outParams.NdotVUnclamped);
#if defined(ENVIRONMENTBRDF)
outParams.environmentBrdf=getBRDFLookup(outParams.NdotV,roughness);
#else
outParams.environmentBrdf=vec3f(0.0);
#endif
outParams.horizonOcclusion=1.0f;
#if defined(ENVIRONMENTBRDF) && !defined(REFLECTIONMAP_SKYBOX)
#ifdef HORIZONOCCLUSION
#if defined(GEOMETRY_NORMAL) || defined(GEOMETRY_COAT_NORMAL)
#ifdef REFLECTIONMAP_3D
outParams.horizonOcclusion=environmentHorizonOcclusion(-viewDirectionW,normalW,geometricNormalW);
#endif
#endif
#endif
#endif
return outParams;}
fn geometryInfoAniso(
normalW: vec3f,viewDirectionW: vec3f,roughness: f32,geometricNormalW: vec3f
,vAnisotropy: vec3f,TBN: mat3x3<f32>
)->geometryInfoAnisoOutParams
{let geoInfo: geometryInfoOutParams=geometryInfo(normalW,viewDirectionW,roughness,geometricNormalW);var outParams: geometryInfoAnisoOutParams;outParams.NdotV=geoInfo.NdotV;outParams.NdotVUnclamped=geoInfo.NdotVUnclamped;outParams.environmentBrdf=geoInfo.environmentBrdf;outParams.horizonOcclusion=geoInfo.horizonOcclusion;outParams.anisotropy=vAnisotropy.b;let anisotropyDirection: vec3f=vec3f(vAnisotropy.xy,0.);let anisoTBN: mat3x3<f32>=mat3x3<f32>(normalize(TBN[0]),normalize(TBN[1]),normalize(TBN[2]));outParams.anisotropicTangent=normalize(anisoTBN*anisotropyDirection);outParams.anisotropicBitangent=normalize(cross(anisoTBN[2],outParams.anisotropicTangent));outParams.TBN=TBN;return outParams;}
`;
// Sideeffect
if (!ShaderStore.IncludesShadersStoreWGSL[name]) {
    ShaderStore.IncludesShadersStoreWGSL[name] = shader;
}
/** @internal */
export const openpbrGeometryInfoWGSL = { name, shader };
//# sourceMappingURL=openpbrGeometryInfo.js.map