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- {"ast":null,"code":"// Do not edit.\nimport { ShaderStore } from \"../../Engines/shaderStore.js\";\nconst name = \"pbrHelperFunctions\";\nconst shader = `#define MINIMUMVARIANCE 0.0005\nfn convertRoughnessToAverageSlope(roughness: f32)->f32\n{return roughness*roughness+MINIMUMVARIANCE;}\nfn fresnelGrazingReflectance(reflectance0: f32)->f32 {var reflectance90: f32=saturate(reflectance0*25.0);return reflectance90;}\nfn getAARoughnessFactors(normalVector: vec3f)->vec2f {\n#ifdef SPECULARAA\nvar nDfdx: vec3f=dpdx(normalVector.xyz);var nDfdy: vec3f=dpdy(normalVector.xyz);var slopeSquare: f32=max(dot(nDfdx,nDfdx),dot(nDfdy,nDfdy));var geometricRoughnessFactor: f32=pow(saturate(slopeSquare),0.333);var geometricAlphaGFactor: f32=sqrt(slopeSquare);geometricAlphaGFactor*=0.75;return vec2f(geometricRoughnessFactor,geometricAlphaGFactor);\n#else\nreturn vec2f(0.);\n#endif\n}\n#ifdef ANISOTROPIC\n#ifdef ANISOTROPIC_LEGACY\nfn getAnisotropicRoughness(alphaG: f32,anisotropy: f32)->vec2f {var alphaT: f32=max(alphaG*(1.0+anisotropy),MINIMUMVARIANCE);var alphaB: f32=max(alphaG*(1.0-anisotropy),MINIMUMVARIANCE);return vec2f(alphaT,alphaB);}\nfn getAnisotropicBentNormals(T: vec3f,B: vec3f,N: vec3f,V: vec3f,anisotropy: f32,roughness: f32)->vec3f {var anisotropicFrameDirection: vec3f=select(T,B,anisotropy>=0.0);var anisotropicFrameTangent: vec3f=cross(normalize(anisotropicFrameDirection),V);var anisotropicFrameNormal: vec3f=cross(anisotropicFrameTangent,anisotropicFrameDirection);var anisotropicNormal: vec3f=normalize(mix(N,anisotropicFrameNormal,abs(anisotropy)));return anisotropicNormal;}\n#else\nfn getAnisotropicRoughness(alphaG: f32,anisotropy: f32)->vec2f {var alphaT: f32=max(mix(alphaG,1.0,anisotropy*anisotropy),MINIMUMVARIANCE);var alphaB: f32=max(alphaG,MINIMUMVARIANCE);return vec2f(alphaT,alphaB);}\nfn getAnisotropicBentNormals(T: vec3f,B: vec3f,N: vec3f,V: vec3f,anisotropy: f32,roughness: f32)->vec3f {var bentNormal: vec3f=cross(B,V);bentNormal=normalize(cross(bentNormal,B));var sq=1.0-anisotropy*(1.0-roughness);var a: f32=sq*sq*sq*sq;bentNormal=normalize(mix(bentNormal,N,a));return bentNormal;}\n#endif\n#endif\n#if defined(CLEARCOAT) || defined(SS_REFRACTION)\nfn cocaLambertVec3(alpha: vec3f,distance: f32)->vec3f {return exp(-alpha*distance);}\nfn cocaLambert(NdotVRefract: f32,NdotLRefract: f32,alpha: vec3f,thickness: f32)->vec3f {return cocaLambertVec3(alpha,(thickness*((NdotLRefract+NdotVRefract)/(NdotLRefract*NdotVRefract))));}\nfn computeColorAtDistanceInMedia(color: vec3f,distance: f32)->vec3f {return -log(color)/distance;}\nfn computeClearCoatAbsorption(NdotVRefract: f32,NdotLRefract: f32,clearCoatColor: vec3f,clearCoatThickness: f32,clearCoatIntensity: f32)->vec3f {var clearCoatAbsorption: vec3f=mix( vec3f(1.0),\ncocaLambert(NdotVRefract,NdotLRefract,clearCoatColor,clearCoatThickness),\nclearCoatIntensity);return clearCoatAbsorption;}\n#endif\n#ifdef MICROSURFACEAUTOMATIC\nfn computeDefaultMicroSurface(microSurface: f32,reflectivityColor: vec3f)->f32\n{const kReflectivityNoAlphaWorkflow_SmoothnessMax: f32=0.95;var reflectivityLuminance: f32=getLuminance(reflectivityColor);var reflectivityLuma: f32=sqrt(reflectivityLuminance);var resultMicroSurface=reflectivityLuma*kReflectivityNoAlphaWorkflow_SmoothnessMax;return resultMicroSurface;}\n#endif\n`;\n// Sideeffect\nShaderStore.IncludesShadersStoreWGSL[name] = shader;\n/** @internal */\nexport const pbrHelperFunctionsWGSL = {\n name,\n shader\n};","map":{"version":3,"names":["ShaderStore","name","shader","IncludesShadersStoreWGSL","pbrHelperFunctionsWGSL"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/ShadersWGSL/ShadersInclude/pbrHelperFunctions.js"],"sourcesContent":["// Do not edit.\nimport { ShaderStore } from \"../../Engines/shaderStore.js\";\nconst name = \"pbrHelperFunctions\";\nconst shader = `#define MINIMUMVARIANCE 0.0005\nfn convertRoughnessToAverageSlope(roughness: f32)->f32\n{return roughness*roughness+MINIMUMVARIANCE;}\nfn fresnelGrazingReflectance(reflectance0: f32)->f32 {var reflectance90: f32=saturate(reflectance0*25.0);return reflectance90;}\nfn getAARoughnessFactors(normalVector: vec3f)->vec2f {\n#ifdef SPECULARAA\nvar nDfdx: vec3f=dpdx(normalVector.xyz);var nDfdy: vec3f=dpdy(normalVector.xyz);var slopeSquare: f32=max(dot(nDfdx,nDfdx),dot(nDfdy,nDfdy));var geometricRoughnessFactor: f32=pow(saturate(slopeSquare),0.333);var geometricAlphaGFactor: f32=sqrt(slopeSquare);geometricAlphaGFactor*=0.75;return vec2f(geometricRoughnessFactor,geometricAlphaGFactor);\n#else\nreturn vec2f(0.);\n#endif\n}\n#ifdef ANISOTROPIC\n#ifdef ANISOTROPIC_LEGACY\nfn getAnisotropicRoughness(alphaG: f32,anisotropy: f32)->vec2f {var alphaT: f32=max(alphaG*(1.0+anisotropy),MINIMUMVARIANCE);var alphaB: f32=max(alphaG*(1.0-anisotropy),MINIMUMVARIANCE);return vec2f(alphaT,alphaB);}\nfn getAnisotropicBentNormals(T: vec3f,B: vec3f,N: vec3f,V: vec3f,anisotropy: f32,roughness: f32)->vec3f {var anisotropicFrameDirection: vec3f=select(T,B,anisotropy>=0.0);var anisotropicFrameTangent: vec3f=cross(normalize(anisotropicFrameDirection),V);var anisotropicFrameNormal: vec3f=cross(anisotropicFrameTangent,anisotropicFrameDirection);var anisotropicNormal: vec3f=normalize(mix(N,anisotropicFrameNormal,abs(anisotropy)));return anisotropicNormal;}\n#else\nfn getAnisotropicRoughness(alphaG: f32,anisotropy: f32)->vec2f {var alphaT: f32=max(mix(alphaG,1.0,anisotropy*anisotropy),MINIMUMVARIANCE);var alphaB: f32=max(alphaG,MINIMUMVARIANCE);return vec2f(alphaT,alphaB);}\nfn getAnisotropicBentNormals(T: vec3f,B: vec3f,N: vec3f,V: vec3f,anisotropy: f32,roughness: f32)->vec3f {var bentNormal: vec3f=cross(B,V);bentNormal=normalize(cross(bentNormal,B));var sq=1.0-anisotropy*(1.0-roughness);var a: f32=sq*sq*sq*sq;bentNormal=normalize(mix(bentNormal,N,a));return bentNormal;}\n#endif\n#endif\n#if defined(CLEARCOAT) || defined(SS_REFRACTION)\nfn cocaLambertVec3(alpha: vec3f,distance: f32)->vec3f {return exp(-alpha*distance);}\nfn cocaLambert(NdotVRefract: f32,NdotLRefract: f32,alpha: vec3f,thickness: f32)->vec3f {return cocaLambertVec3(alpha,(thickness*((NdotLRefract+NdotVRefract)/(NdotLRefract*NdotVRefract))));}\nfn computeColorAtDistanceInMedia(color: vec3f,distance: f32)->vec3f {return -log(color)/distance;}\nfn computeClearCoatAbsorption(NdotVRefract: f32,NdotLRefract: f32,clearCoatColor: vec3f,clearCoatThickness: f32,clearCoatIntensity: f32)->vec3f {var clearCoatAbsorption: vec3f=mix( vec3f(1.0),\ncocaLambert(NdotVRefract,NdotLRefract,clearCoatColor,clearCoatThickness),\nclearCoatIntensity);return clearCoatAbsorption;}\n#endif\n#ifdef MICROSURFACEAUTOMATIC\nfn computeDefaultMicroSurface(microSurface: f32,reflectivityColor: vec3f)->f32\n{const kReflectivityNoAlphaWorkflow_SmoothnessMax: f32=0.95;var reflectivityLuminance: f32=getLuminance(reflectivityColor);var reflectivityLuma: f32=sqrt(reflectivityLuminance);var resultMicroSurface=reflectivityLuma*kReflectivityNoAlphaWorkflow_SmoothnessMax;return resultMicroSurface;}\n#endif\n`;\n// Sideeffect\nShaderStore.IncludesShadersStoreWGSL[name] = shader;\n/** @internal */\nexport const pbrHelperFunctionsWGSL = { name, shader };\n"],"mappings":"AAAA;AACA,SAASA,WAAW,QAAQ,8BAA8B;AAC1D,MAAMC,IAAI,GAAG,oBAAoB;AACjC,MAAMC,MAAM,GAAG;AACf;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,CAAC;AACD;AACAF,WAAW,CAACG,wBAAwB,CAACF,IAAI,CAAC,GAAGC,MAAM;AACnD;AACA,OAAO,MAAME,sBAAsB,GAAG;EAAEH,IAAI;EAAEC;AAAO,CAAC","ignoreList":[]},"metadata":{},"sourceType":"module","externalDependencies":[]}
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