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

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// Do not edit.
import { ShaderStore } from "../../Engines/shaderStore.js";
const name = "pbrBlockAnisotropic";
const shader = `#ifdef ANISOTROPIC
struct anisotropicOutParams
{anisotropy: f32,
anisotropicTangent: vec3f,
anisotropicBitangent: vec3f,
anisotropicNormal: vec3f,
#if DEBUGMODE>0 && defined(ANISOTROPIC_TEXTURE)
anisotropyMapData: vec3f
#endif
};
#define pbr_inline
fn anisotropicBlock(
vAnisotropy: vec3f,
roughness: f32,
#ifdef ANISOTROPIC_TEXTURE
anisotropyMapData: vec3f,
#endif
TBN: mat3x3f,
normalW: vec3f,
viewDirectionW: vec3f
)->anisotropicOutParams
{ 
var outParams: anisotropicOutParams;var anisotropy: f32=vAnisotropy.b;var anisotropyDirection: vec3f= vec3f(vAnisotropy.xy,0.);
#ifdef ANISOTROPIC_TEXTURE
var amd=anisotropyMapData.rg;anisotropy*=anisotropyMapData.b;
#if DEBUGMODE>0
outParams.anisotropyMapData=anisotropyMapData;
#endif
amd=amd*2.0-1.0;
#ifdef ANISOTROPIC_LEGACY
anisotropyDirection=vec3f(anisotropyDirection.xy*amd,anisotropyDirection.z);
#else
anisotropyDirection=vec3f(mat2x2f(anisotropyDirection.x,anisotropyDirection.y,-anisotropyDirection.y,anisotropyDirection.x)*normalize(amd),anisotropyDirection.z);
#endif
#endif
var anisoTBN: mat3x3f= mat3x3f(normalize(TBN[0]),normalize(TBN[1]),normalize(TBN[2]));var anisotropicTangent: vec3f=normalize(anisoTBN*anisotropyDirection);var anisotropicBitangent: vec3f=normalize(cross(anisoTBN[2],anisotropicTangent));outParams.anisotropy=anisotropy;outParams.anisotropicTangent=anisotropicTangent;outParams.anisotropicBitangent=anisotropicBitangent;outParams.anisotropicNormal=getAnisotropicBentNormals(anisotropicTangent,anisotropicBitangent,normalW,viewDirectionW,anisotropy,roughness);return outParams;}
#endif
`;
// Sideeffect
if (!ShaderStore.IncludesShadersStoreWGSL[name]) {
    ShaderStore.IncludesShadersStoreWGSL[name] = shader;
}
/** @internal */
export const pbrBlockAnisotropicWGSL = { name, shader };
//# sourceMappingURL=pbrBlockAnisotropic.js.map