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- // Do not edit.
- import { ShaderStore } from "../../Engines/shaderStore.js";
- const name = "pbrBlockClearcoat";
- const shader = `struct clearcoatOutParams
- {vec3 specularEnvironmentR0;float conservationFactor;vec3 clearCoatNormalW;vec2 clearCoatAARoughnessFactors;float clearCoatIntensity;float clearCoatRoughness;
- #ifdef REFLECTION
- vec3 finalClearCoatRadianceScaled;
- #endif
- #ifdef CLEARCOAT_TINT
- vec3 absorption;float clearCoatNdotVRefract;vec3 clearCoatColor;float clearCoatThickness;
- #endif
- #if defined(ENVIRONMENTBRDF) && defined(MS_BRDF_ENERGY_CONSERVATION)
- vec3 energyConservationFactorClearCoat;
- #endif
- #if DEBUGMODE>0
- #ifdef CLEARCOAT_BUMP
- mat3 TBNClearCoat;
- #endif
- #ifdef CLEARCOAT_TEXTURE
- vec2 clearCoatMapData;
- #endif
- #if defined(CLEARCOAT_TINT) && defined(CLEARCOAT_TINT_TEXTURE)
- vec4 clearCoatTintMapData;
- #endif
- #ifdef REFLECTION
- vec4 environmentClearCoatRadiance;vec3 clearCoatEnvironmentReflectance;
- #endif
- float clearCoatNdotV;
- #endif
- };
- #ifdef CLEARCOAT
- #define pbr_inline
- #define inline
- void clearcoatBlock(
- in vec3 vPositionW,
- in vec3 geometricNormalW,
- in vec3 viewDirectionW,
- in vec2 vClearCoatParams,
- #if defined(CLEARCOAT_TEXTURE_ROUGHNESS) && !defined(CLEARCOAT_TEXTURE_ROUGHNESS_IDENTICAL) && !defined(CLEARCOAT_USE_ROUGHNESS_FROM_MAINTEXTURE)
- in vec4 clearCoatMapRoughnessData,
- #endif
- in vec3 specularEnvironmentR0,
- #ifdef CLEARCOAT_TEXTURE
- in vec2 clearCoatMapData,
- #endif
- #ifdef CLEARCOAT_TINT
- in vec4 vClearCoatTintParams,
- in float clearCoatColorAtDistance,
- in vec4 vClearCoatRefractionParams,
- #ifdef CLEARCOAT_TINT_TEXTURE
- in vec4 clearCoatTintMapData,
- #endif
- #endif
- #ifdef CLEARCOAT_BUMP
- in vec2 vClearCoatBumpInfos,
- in vec4 clearCoatBumpMapData,
- in vec2 vClearCoatBumpUV,
- #if defined(TANGENT) && defined(NORMAL)
- in mat3 vTBN,
- #else
- in vec2 vClearCoatTangentSpaceParams,
- #endif
- #ifdef OBJECTSPACE_NORMALMAP
- in mat4 normalMatrix,
- #endif
- #endif
- #if defined(FORCENORMALFORWARD) && defined(NORMAL)
- in vec3 faceNormal,
- #endif
- #ifdef REFLECTION
- in vec3 vReflectionMicrosurfaceInfos,
- in vec2 vReflectionInfos,
- in vec3 vReflectionColor,
- in vec4 vLightingIntensity,
- #ifdef REFLECTIONMAP_3D
- in samplerCube reflectionSampler,
- #else
- in sampler2D reflectionSampler,
- #endif
- #ifndef LODBASEDMICROSFURACE
- #ifdef REFLECTIONMAP_3D
- in samplerCube reflectionSamplerLow,
- in samplerCube reflectionSamplerHigh,
- #else
- in sampler2D reflectionSamplerLow,
- in sampler2D reflectionSamplerHigh,
- #endif
- #endif
- #ifdef REALTIME_FILTERING
- in vec2 vReflectionFilteringInfo,
- #endif
- #endif
- #if defined(ENVIRONMENTBRDF) && !defined(REFLECTIONMAP_SKYBOX)
- #ifdef RADIANCEOCCLUSION
- in float ambientMonochrome,
- #endif
- #endif
- #if defined(CLEARCOAT_BUMP) || defined(TWOSIDEDLIGHTING)
- in float frontFacingMultiplier,
- #endif
- out clearcoatOutParams outParams
- )
- {float clearCoatIntensity=vClearCoatParams.x;float clearCoatRoughness=vClearCoatParams.y;
- #ifdef CLEARCOAT_TEXTURE
- clearCoatIntensity*=clearCoatMapData.x;
- #ifdef CLEARCOAT_USE_ROUGHNESS_FROM_MAINTEXTURE
- clearCoatRoughness*=clearCoatMapData.y;
- #endif
- #if DEBUGMODE>0
- outParams.clearCoatMapData=clearCoatMapData;
- #endif
- #endif
- #if defined(CLEARCOAT_TEXTURE_ROUGHNESS) && !defined(CLEARCOAT_USE_ROUGHNESS_FROM_MAINTEXTURE)
- clearCoatRoughness*=clearCoatMapRoughnessData.y;
- #endif
- outParams.clearCoatIntensity=clearCoatIntensity;outParams.clearCoatRoughness=clearCoatRoughness;
- #ifdef CLEARCOAT_TINT
- vec3 clearCoatColor=vClearCoatTintParams.rgb;float clearCoatThickness=vClearCoatTintParams.a;
- #ifdef CLEARCOAT_TINT_TEXTURE
- #ifdef CLEARCOAT_TINT_GAMMATEXTURE
- clearCoatColor*=toLinearSpace(clearCoatTintMapData.rgb);
- #else
- clearCoatColor*=clearCoatTintMapData.rgb;
- #endif
- clearCoatThickness*=clearCoatTintMapData.a;
- #if DEBUGMODE>0
- outParams.clearCoatTintMapData=clearCoatTintMapData;
- #endif
- #endif
- outParams.clearCoatColor=computeColorAtDistanceInMedia(clearCoatColor,clearCoatColorAtDistance);outParams.clearCoatThickness=clearCoatThickness;
- #endif
- #ifdef CLEARCOAT_REMAP_F0
- vec3 specularEnvironmentR0Updated=getR0RemappedForClearCoat(specularEnvironmentR0);
- #else
- vec3 specularEnvironmentR0Updated=specularEnvironmentR0;
- #endif
- outParams.specularEnvironmentR0=mix(specularEnvironmentR0,specularEnvironmentR0Updated,clearCoatIntensity);vec3 clearCoatNormalW=geometricNormalW;
- #ifdef CLEARCOAT_BUMP
- #ifdef NORMALXYSCALE
- float clearCoatNormalScale=1.0;
- #else
- float clearCoatNormalScale=vClearCoatBumpInfos.y;
- #endif
- #if defined(TANGENT) && defined(NORMAL)
- mat3 TBNClearCoat=vTBN;
- #else
- vec2 TBNClearCoatUV=vClearCoatBumpUV*frontFacingMultiplier;mat3 TBNClearCoat=cotangent_frame(clearCoatNormalW*clearCoatNormalScale,vPositionW,TBNClearCoatUV,vClearCoatTangentSpaceParams);
- #endif
- #if DEBUGMODE>0
- outParams.TBNClearCoat=TBNClearCoat;
- #endif
- #ifdef OBJECTSPACE_NORMALMAP
- clearCoatNormalW=normalize(clearCoatBumpMapData.xyz *2.0-1.0);clearCoatNormalW=normalize(mat3(normalMatrix)*clearCoatNormalW);
- #else
- clearCoatNormalW=perturbNormal(TBNClearCoat,clearCoatBumpMapData.xyz,vClearCoatBumpInfos.y);
- #endif
- #endif
- #if defined(FORCENORMALFORWARD) && defined(NORMAL)
- clearCoatNormalW*=sign(dot(clearCoatNormalW,faceNormal));
- #endif
- #if defined(TWOSIDEDLIGHTING) && defined(NORMAL)
- clearCoatNormalW=clearCoatNormalW*frontFacingMultiplier;
- #endif
- outParams.clearCoatNormalW=clearCoatNormalW;outParams.clearCoatAARoughnessFactors=getAARoughnessFactors(clearCoatNormalW.xyz);float clearCoatNdotVUnclamped=dot(clearCoatNormalW,viewDirectionW);float clearCoatNdotV=absEps(clearCoatNdotVUnclamped);
- #if DEBUGMODE>0
- outParams.clearCoatNdotV=clearCoatNdotV;
- #endif
- #ifdef CLEARCOAT_TINT
- vec3 clearCoatVRefract=refract(-viewDirectionW,clearCoatNormalW,vClearCoatRefractionParams.y);outParams.clearCoatNdotVRefract=absEps(dot(clearCoatNormalW,clearCoatVRefract));
- #endif
- #if defined(ENVIRONMENTBRDF) && (!defined(REFLECTIONMAP_SKYBOX) || defined(MS_BRDF_ENERGY_CONSERVATION))
- vec3 environmentClearCoatBrdf=getBRDFLookup(clearCoatNdotV,clearCoatRoughness);
- #endif
- #if defined(REFLECTION)
- float clearCoatAlphaG=convertRoughnessToAverageSlope(clearCoatRoughness);
- #ifdef SPECULARAA
- clearCoatAlphaG+=outParams.clearCoatAARoughnessFactors.y;
- #endif
- vec4 environmentClearCoatRadiance=vec4(0.,0.,0.,0.);vec3 clearCoatReflectionVector=computeReflectionCoords(vec4(vPositionW,1.0),clearCoatNormalW);
- #ifdef REFLECTIONMAP_OPPOSITEZ
- clearCoatReflectionVector.z*=-1.0;
- #endif
- #ifdef REFLECTIONMAP_3D
- vec3 clearCoatReflectionCoords=clearCoatReflectionVector;
- #else
- vec2 clearCoatReflectionCoords=clearCoatReflectionVector.xy;
- #ifdef REFLECTIONMAP_PROJECTION
- clearCoatReflectionCoords/=clearCoatReflectionVector.z;
- #endif
- clearCoatReflectionCoords.y=1.0-clearCoatReflectionCoords.y;
- #endif
- sampleReflectionTexture(
- clearCoatAlphaG,
- vReflectionMicrosurfaceInfos,
- vReflectionInfos,
- vReflectionColor,
- #if defined(LODINREFLECTIONALPHA) && !defined(REFLECTIONMAP_SKYBOX)
- clearCoatNdotVUnclamped,
- #endif
- #ifdef LINEARSPECULARREFLECTION
- clearCoatRoughness,
- #endif
- reflectionSampler,
- clearCoatReflectionCoords,
- #ifndef LODBASEDMICROSFURACE
- reflectionSamplerLow,
- reflectionSamplerHigh,
- #endif
- #ifdef REALTIME_FILTERING
- vReflectionFilteringInfo,
- #endif
- environmentClearCoatRadiance
- );
- #if DEBUGMODE>0
- outParams.environmentClearCoatRadiance=environmentClearCoatRadiance;
- #endif
- #if defined(ENVIRONMENTBRDF) && !defined(REFLECTIONMAP_SKYBOX)
- vec3 clearCoatEnvironmentReflectance=getReflectanceFromBRDFLookup(vec3(vClearCoatRefractionParams.x),environmentClearCoatBrdf);
- #ifdef HORIZONOCCLUSION
- #ifdef BUMP
- #ifdef REFLECTIONMAP_3D
- float clearCoatEho=environmentHorizonOcclusion(-viewDirectionW,clearCoatNormalW,geometricNormalW);clearCoatEnvironmentReflectance*=clearCoatEho;
- #endif
- #endif
- #endif
- #else
- vec3 clearCoatEnvironmentReflectance=getReflectanceFromAnalyticalBRDFLookup_Jones(clearCoatNdotV,vec3(1.),vec3(1.),sqrt(1.-clearCoatRoughness));
- #endif
- clearCoatEnvironmentReflectance*=clearCoatIntensity;
- #if DEBUGMODE>0
- outParams.clearCoatEnvironmentReflectance=clearCoatEnvironmentReflectance;
- #endif
- outParams.finalClearCoatRadianceScaled=
- environmentClearCoatRadiance.rgb *
- clearCoatEnvironmentReflectance *
- vLightingIntensity.z;
- #endif
- #if defined(CLEARCOAT_TINT)
- outParams.absorption=computeClearCoatAbsorption(outParams.clearCoatNdotVRefract,outParams.clearCoatNdotVRefract,outParams.clearCoatColor,clearCoatThickness,clearCoatIntensity);
- #endif
- float fresnelIBLClearCoat=fresnelSchlickGGX(clearCoatNdotV,vClearCoatRefractionParams.x,CLEARCOATREFLECTANCE90);fresnelIBLClearCoat*=clearCoatIntensity;outParams.conservationFactor=(1.-fresnelIBLClearCoat);
- #if defined(ENVIRONMENTBRDF) && defined(MS_BRDF_ENERGY_CONSERVATION)
- outParams.energyConservationFactorClearCoat=getEnergyConservationFactor(outParams.specularEnvironmentR0,environmentClearCoatBrdf);
- #endif
- }
- #endif
- `;
- // Sideeffect
- ShaderStore.IncludesShadersStore[name] = shader;
- /** @internal */
- export const pbrBlockClearcoat = { name, shader };
- //# sourceMappingURL=pbrBlockClearcoat.js.map
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