Esempio n. 1
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        // All Validate functions must be static. It allows to automatically update the shaders with a script if code changes
        public static void ValidateMaterial(Material material)
        {
            BaseLitAPI.SetupBaseLitKeywords(material);
            BaseLitAPI.SetupBaseLitMaterialPass(material);

            bool receiveSSR = false;

            if (material.HasProperty(kSurfaceType) && (SurfaceType)material.GetFloat(kSurfaceType) == SurfaceType.Transparent)
            {
                receiveSSR = material.HasProperty(kReceivesSSRTransparent) ? material.GetFloat(kReceivesSSRTransparent) != 0 : false;
            }
            else
            {
                receiveSSR = material.HasProperty(kReceivesSSR) ? material.GetFloat(kReceivesSSR) != 0 : false;
            }
            BaseLitAPI.SetupStencil(material, receiveSSR, material.GetMaterialId() == MaterialId.LitSSS);

            // TODO: planar/triplannar support
            //SetupLayersMappingKeywords(material);

            bool enableHeightBlend = material.HasProperty(kEnableHeightBlend) && material.GetFloat(kEnableHeightBlend) > 0;

            CoreUtils.SetKeyword(material, "_TERRAIN_BLEND_HEIGHT", enableHeightBlend);

            bool enableInstancedPerPixelNormal = material.HasProperty(kEnableInstancedPerPixelNormal) && material.GetFloat(kEnableInstancedPerPixelNormal) > 0.0f;

            CoreUtils.SetKeyword(material, "_TERRAIN_INSTANCED_PERPIXEL_NORMAL", enableInstancedPerPixelNormal);

            int specOcclusionMode = material.GetInt(kSpecularOcclusionMode);

            CoreUtils.SetKeyword(material, "_SPECULAR_OCCLUSION_NONE", specOcclusionMode == 0);
        }
Esempio n. 2
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        // All Validate functions must be static. It allows to automatically update the shaders with a script if code changes
        internal static void ValidateMaterial(Material material)
        {
            material.SetupBaseUnlitKeywords();
            material.SetupBaseUnlitPass();

            if (material.HasProperty(kEmissiveColorMap))
            {
                CoreUtils.SetKeyword(material, "_EMISSIVE_COLOR_MAP", material.GetTexture(kEmissiveColorMap));
            }
            if (material.HasProperty(kUseEmissiveIntensity) && material.GetFloat(kUseEmissiveIntensity) != 0)
            {
                material.UpdateEmissiveColorFromIntensityAndEmissiveColorLDR();
            }

            // All the bits exclusively related to lit are ignored inside the BaseLitGUI function.
            BaseLitAPI.SetupStencil(material, receivesSSR: false, useSplitLighting: false);
        }
Esempio n. 3
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        /// <summary>
        /// Sets up the keywords and passes for a Lit Shader Graph material.
        /// </summary>
        /// <param name="material">The target material.</param>
        public static void ValidateLightingMaterial(Material material)
        {
            SynchronizeShaderGraphProperties(material);

            BaseLitAPI.SetupBaseLitKeywords(material);
            BaseLitAPI.SetupBaseLitMaterialPass(material);

            bool receiveSSR = false;

            if (material.HasProperty(kSurfaceType) && (SurfaceType)material.GetFloat(kSurfaceType) == SurfaceType.Transparent)
            {
                receiveSSR = material.HasProperty(kReceivesSSRTransparent) ? material.GetFloat(kReceivesSSRTransparent) != 0 : false;
            }
            else
            {
                receiveSSR = material.HasProperty(kReceivesSSR) ? material.GetFloat(kReceivesSSR) != 0 : false;
            }
            bool useSplitLighting = material.HasProperty(kUseSplitLighting) ? material.GetInt(kUseSplitLighting) != 0 : false;

            BaseLitAPI.SetupStencil(material, receiveSSR, useSplitLighting);
        }
Esempio n. 4
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        // All Validate functions must be static. It allows to automatically update the shaders with a script if code changes
        internal static void ValidateMaterial(Material material)
        {
            MaterialId materialId = material.GetMaterialId();

            if (material.HasProperty(kMaterialID))
            {
                if (materialId != MaterialId.LitStandard && materialId != MaterialId.LitSSS && materialId != MaterialId.LitTranslucent)
                {
                    materialId = MaterialId.LitStandard;
                    material.SetFloat(kMaterialID, (float)materialId);
                }
            }

            BaseLitAPI.SetupBaseLitKeywords(material);
            BaseLitAPI.SetupBaseLitMaterialPass(material);
            SetupLayersMappingKeywords(material);
            bool receiveSSR = material.GetSurfaceType() == SurfaceType.Opaque ? (material.HasProperty(kReceivesSSR) ? material.GetInt(kReceivesSSR) != 0 : false)
                : (material.HasProperty(kReceivesSSRTransparent) ? material.GetInt(kReceivesSSRTransparent) != 0 : false);

            BaseLitAPI.SetupStencil(material, receiveSSR, materialId == MaterialId.LitSSS);

            for (int i = 0; i < kMaxLayerCount; ++i)
            {
                NormalMapSpace normalMapSpace = ((NormalMapSpace)material.GetFloat(kNormalMapSpace + i));

                CoreUtils.SetKeyword(material, "_NORMALMAP_TANGENT_SPACE" + i, normalMapSpace == NormalMapSpace.TangentSpace);

                if (normalMapSpace == NormalMapSpace.TangentSpace)
                {
                    CoreUtils.SetKeyword(material, "_NORMALMAP" + i, material.GetTexture(kNormalMap + i) || material.GetTexture(kDetailMap + i));
                    CoreUtils.SetKeyword(material, "_BENTNORMALMAP" + i, material.GetTexture(kBentNormalMap + i));
                }
                else
                {
                    CoreUtils.SetKeyword(material, "_NORMALMAP" + i, material.GetTexture(kNormalMapOS + i) || material.GetTexture(kDetailMap + i));
                    CoreUtils.SetKeyword(material, "_BENTNORMALMAP" + i, material.GetTexture(kBentNormalMapOS + i));
                }

                CoreUtils.SetKeyword(material, "_MASKMAP" + i, material.GetTexture(kMaskMap + i));

                CoreUtils.SetKeyword(material, "_DETAIL_MAP" + i, material.GetTexture(kDetailMap + i));

                CoreUtils.SetKeyword(material, "_HEIGHTMAP" + i, material.GetTexture(kHeightMap + i));

                CoreUtils.SetKeyword(material, "_SUBSURFACE_MASK_MAP" + i, material.GetTexture(kSubsurfaceMaskMap + i));
                CoreUtils.SetKeyword(material, "_THICKNESSMAP" + i, material.GetTexture(kThicknessMap + i));
            }

            CoreUtils.SetKeyword(material, "_INFLUENCEMASK_MAP", material.GetTexture(kLayerInfluenceMaskMap) && material.GetFloat(kkUseMainLayerInfluence) != 0.0f);

            CoreUtils.SetKeyword(material, "_EMISSIVE_MAPPING_PLANAR", ((UVEmissiveMapping)material.GetFloat(kUVEmissive)) == UVEmissiveMapping.Planar && material.GetTexture(kEmissiveColorMap));
            CoreUtils.SetKeyword(material, "_EMISSIVE_MAPPING_TRIPLANAR", ((UVEmissiveMapping)material.GetFloat(kUVEmissive)) == UVEmissiveMapping.Triplanar && material.GetTexture(kEmissiveColorMap));
            CoreUtils.SetKeyword(material, "_EMISSIVE_MAPPING_BASE", ((UVEmissiveMapping)material.GetFloat(kUVEmissive)) == UVEmissiveMapping.SameAsBase && material.GetTexture(kEmissiveColorMap));
            CoreUtils.SetKeyword(material, "_EMISSIVE_COLOR_MAP", material.GetTexture(kEmissiveColorMap));

            if (material.HasProperty(kUseEmissiveIntensity) && material.GetFloat(kUseEmissiveIntensity) != 0)
            {
                material.UpdateEmissiveColorFromIntensityAndEmissiveColorLDR();
            }

            // For migration of specular occlusion to specular mode we remove previous keyword
            // _ENABLESPECULAROCCLUSION is deprecated
            CoreUtils.SetKeyword(material, "_ENABLESPECULAROCCLUSION", false);

            int specOcclusionMode = material.GetInt(kSpecularOcclusionMode);

            CoreUtils.SetKeyword(material, "_SPECULAR_OCCLUSION_NONE", specOcclusionMode == 0);
            CoreUtils.SetKeyword(material, "_SPECULAR_OCCLUSION_FROM_BENT_NORMAL_MAP", specOcclusionMode == 2);
            CoreUtils.SetKeyword(material, "_MAIN_LAYER_INFLUENCE_MODE", material.GetFloat(kkUseMainLayerInfluence) != 0.0f);

            VertexColorMode VCMode = (VertexColorMode)material.GetFloat(kVertexColorMode);

            if (VCMode == VertexColorMode.Multiply)
            {
                CoreUtils.SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_MUL", true);
                CoreUtils.SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_ADD", false);
            }
            else if (VCMode == VertexColorMode.Add)
            {
                CoreUtils.SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_MUL", false);
                CoreUtils.SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_ADD", true);
            }
            else
            {
                CoreUtils.SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_MUL", false);
                CoreUtils.SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_ADD", false);
            }

            bool useHeightBasedBlend = material.GetFloat(kUseHeightBasedBlend) != 0.0f;

            CoreUtils.SetKeyword(material, "_HEIGHT_BASED_BLEND", useHeightBasedBlend);

            bool useDensityModeEnable = false;

            for (int i = 0; i < material.GetInt(kLayerCount); ++i)
            {
                useDensityModeEnable |= material.GetFloat(kOpacityAsDensity + i) != 0.0f;
            }
            CoreUtils.SetKeyword(material, "_DENSITY_MODE", useDensityModeEnable);

            CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_SUBSURFACE_SCATTERING", materialId == MaterialId.LitSSS);
            CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_TRANSMISSION", materialId == MaterialId.LitTranslucent || (materialId == MaterialId.LitSSS && material.GetFloat(kTransmissionEnable) > 0.0f));

            BaseLitAPI.SetupDisplacement(material, material.GetInt(kLayerCount));
        }
Esempio n. 5
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        // All Validate functions must be static. It allows to automatically update the shaders with a script if code changes
        public static void ValidateMaterial(Material material)
        {
            material.SetupBaseUnlitKeywords();
            material.SetupBaseUnlitPass();

            AxfBrdfType BRDFType = (AxfBrdfType)material.GetFloat(kAxF_BRDFType);

            CoreUtils.SetKeyword(material, "_AXF_BRDF_TYPE_SVBRDF", BRDFType == AxfBrdfType.SVBRDF);
            CoreUtils.SetKeyword(material, "_AXF_BRDF_TYPE_CAR_PAINT", BRDFType == AxfBrdfType.CAR_PAINT);
            //unsupported for now: CoreUtils.SetKeyword(material, "_AXF_BRDF_TYPE_BTF", BRDFType == AxfBrdfType.BTF);


            // Mapping Modes:
            AxFMappingMode mappingMode = (AxFMappingMode)material.GetFloat(kMappingMode);

            // Make sure the mask is synched:
            material.SetVector(kMappingMask, AxFMappingModeToMask(mappingMode));

            bool mappingIsPlanar = (mappingMode >= AxFMappingMode.PlanarXY) && (mappingMode < AxFMappingMode.Triplanar);
            bool planarIsLocal   = (material.GetFloat(kPlanarSpace) > 0.0f);

            CoreUtils.SetKeyword(material, "_MAPPING_PLANAR", mappingIsPlanar);
            CoreUtils.SetKeyword(material, "_MAPPING_TRIPLANAR", mappingMode == AxFMappingMode.Triplanar);

            if (mappingIsPlanar || mappingMode == AxFMappingMode.Triplanar)
            {
                CoreUtils.SetKeyword(material, "_PLANAR_LOCAL", planarIsLocal);
            }

            // Note: for ShaderPass defines for vertmesh/varyingmesh setup, we still use the same
            // defines _REQUIRE_UV2 and _REQUIRE_UV3, and thus if eg _REQUIRE_UV3 is defined, _REQUIRE_UV2 will
            // be assumed to be needed. But here in the AxFData sampling code, we use these to indicate precisely
            // the single set used (if not using planar/triplanar) only and thus add _REQUIRE_UV1.
            // Extra UVs might be transfered but we only need and support a single set at a time for the whole material.
            CoreUtils.SetKeyword(material, "_REQUIRE_UV1", mappingMode == AxFMappingMode.UV1);
            CoreUtils.SetKeyword(material, "_REQUIRE_UV2", mappingMode == AxFMappingMode.UV2);
            CoreUtils.SetKeyword(material, "_REQUIRE_UV3", mappingMode == AxFMappingMode.UV3);

            // Keywords for opt-out of decals and SSR:
            bool decalsEnabled = material.HasProperty(kEnableDecals) && material.GetFloat(kEnableDecals) > 0.0f;

            CoreUtils.SetKeyword(material, "_DISABLE_DECALS", !decalsEnabled);

            bool ssrEnabled = false;

            if (material.GetSurfaceType() == SurfaceType.Transparent)
            {
                ssrEnabled = material.HasProperty(kReceivesSSRTransparent) ? material.GetFloat(kReceivesSSRTransparent) != 0 : false;
            }
            else
            {
                ssrEnabled = material.HasProperty(kReceivesSSR) ? material.GetFloat(kReceivesSSR) != 0 : false;
            }
            CoreUtils.SetKeyword(material, "_DISABLE_SSR", material.HasProperty(kReceivesSSR) && material.GetFloat(kReceivesSSR) == 0.0f);
            CoreUtils.SetKeyword(material, "_DISABLE_SSR_TRANSPARENT", material.HasProperty(kReceivesSSRTransparent) && material.GetFloat(kReceivesSSRTransparent) == 0.0);
            CoreUtils.SetKeyword(material, "_ENABLE_GEOMETRIC_SPECULAR_AA", material.HasProperty(kEnableGeometricSpecularAA) && material.GetFloat(kEnableGeometricSpecularAA) > 0.0f);
            CoreUtils.SetKeyword(material, "_SPECULAR_OCCLUSION_NONE", material.HasProperty(kSpecularOcclusionMode) && material.GetFloat(kSpecularOcclusionMode) == 0.0f);

            BaseLitAPI.SetupStencil(material, receivesSSR: ssrEnabled, useSplitLighting: false);
            //
            // Patch for raytracing for now: mirror int props as float explicitly
            //
            uint flags = (uint)material.GetFloat(kFlags);

            flags |= (uint)AxF.FeatureFlags.AxfDebugTest; // force bit 23 = 1
            material.SetFloat(kFlagsB, flags);

            uint SVBRDFType     = (uint)material.GetFloat(kSVBRDF_BRDFType);
            uint SVBRDFVariants = (uint)material.GetFloat(kSVBRDF_BRDFVariants);

            SvbrdfDiffuseType          diffuseType    = (SvbrdfDiffuseType)(SVBRDFType & 0x1);
            SvbrdfSpecularType         specularType   = (SvbrdfSpecularType)((SVBRDFType >> 1) & 0x7);
            SvbrdfFresnelVariant       fresnelVariant = (SvbrdfFresnelVariant)(SVBRDFVariants & 0x3);
            SvbrdfSpecularVariantWard  wardVariant    = (SvbrdfSpecularVariantWard)((SVBRDFVariants >> 2) & 0x3);
            SvbrdfSpecularVariantBlinn blinnVariant   = (SvbrdfSpecularVariantBlinn)((SVBRDFVariants >> 4) & 0x3);

            material.SetFloat(kSVBRDF_BRDFType_DiffuseType, (float)diffuseType);
            material.SetFloat(kSVBRDF_BRDFType_SpecularType, (float)specularType);
            material.SetFloat(kSVBRDF_BRDFVariants_FresnelType, (float)fresnelVariant);
            material.SetFloat(kSVBRDF_BRDFVariants_WardType, (float)wardVariant);
            material.SetFloat(kSVBRDF_BRDFVariants_BlinnType, (float)blinnVariant);

            material.SetFloat(kCarPaint2_FlakeMaxThetaI + kIntPropAsFloatSuffix, material.GetFloat(kCarPaint2_FlakeMaxThetaI));
            material.SetFloat(kCarPaint2_FlakeNumThetaF + kIntPropAsFloatSuffix, material.GetFloat(kCarPaint2_FlakeNumThetaF));
            material.SetFloat(kCarPaint2_FlakeNumThetaI + kIntPropAsFloatSuffix, material.GetFloat(kCarPaint2_FlakeNumThetaI));
        }
Esempio n. 6
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        // All Validate functions must be static. It allows to automatically update the shaders with a script if code changes
        internal static void ValidateMaterial(Material material)
        {
            BaseLitAPI.SetupBaseLitKeywords(material);
            BaseLitAPI.SetupBaseLitMaterialPass(material);
            bool receiveSSR = material.GetSurfaceType() == SurfaceType.Opaque ? (material.HasProperty(kReceivesSSR) ? material.GetInt(kReceivesSSR) != 0 : false)
                : (material.HasProperty(kReceivesSSRTransparent) ? material.GetInt(kReceivesSSRTransparent) != 0 : false);

            BaseLitAPI.SetupStencil(material, receiveSSR, material.GetMaterialId() == MaterialId.LitSSS);
            BaseLitAPI.SetupDisplacement(material);

            if (material.HasProperty(kNormalMapSpace))
            {
                NormalMapSpace normalMapSpace = (NormalMapSpace)material.GetFloat(kNormalMapSpace);

                // Note: keywords must be based on Material value not on MaterialProperty due to multi-edit & material animation
                // (MaterialProperty value might come from renderer material property block)
                CoreUtils.SetKeyword(material, "_MAPPING_PLANAR", ((UVBaseMapping)material.GetFloat(kUVBase)) == UVBaseMapping.Planar);
                CoreUtils.SetKeyword(material, "_MAPPING_TRIPLANAR", ((UVBaseMapping)material.GetFloat(kUVBase)) == UVBaseMapping.Triplanar);

                CoreUtils.SetKeyword(material, "_NORMALMAP_TANGENT_SPACE", (normalMapSpace == NormalMapSpace.TangentSpace));

                if (normalMapSpace == NormalMapSpace.TangentSpace)
                {
                    // With details map, we always use a normal map and Unity provide a default (0, 0, 1) normal map for it
                    CoreUtils.SetKeyword(material, "_NORMALMAP", material.GetTexture(kNormalMap) || material.GetTexture(kDetailMap));
                    CoreUtils.SetKeyword(material, "_TANGENTMAP", material.GetTexture(kTangentMap));
                    CoreUtils.SetKeyword(material, "_BENTNORMALMAP", material.GetTexture(kBentNormalMap));
                }
                else // Object space
                {
                    CoreUtils.SetKeyword(material, "_NORMALMAP", material.GetTexture(kNormalMapOS));
                    CoreUtils.SetKeyword(material, "_TANGENTMAP", material.GetTexture(kTangentMapOS));
                    CoreUtils.SetKeyword(material, "_BENTNORMALMAP", material.GetTexture(kBentNormalMapOS));
                }
            }

            if (material.HasProperty(kMaskMap))
            {
                CoreUtils.SetKeyword(material, "_MASKMAP", material.GetTexture(kMaskMap));
            }

            if (material.HasProperty(kUVEmissive) && material.HasProperty(kEmissiveColorMap))
            {
                CoreUtils.SetKeyword(material, "_EMISSIVE_MAPPING_PLANAR", ((UVEmissiveMapping)material.GetFloat(kUVEmissive)) == UVEmissiveMapping.Planar && material.GetTexture(kEmissiveColorMap));
                CoreUtils.SetKeyword(material, "_EMISSIVE_MAPPING_TRIPLANAR", ((UVEmissiveMapping)material.GetFloat(kUVEmissive)) == UVEmissiveMapping.Triplanar && material.GetTexture(kEmissiveColorMap));
                CoreUtils.SetKeyword(material, "_EMISSIVE_MAPPING_BASE", ((UVEmissiveMapping)material.GetFloat(kUVEmissive)) == UVEmissiveMapping.SameAsBase && material.GetTexture(kEmissiveColorMap));
                CoreUtils.SetKeyword(material, "_EMISSIVE_COLOR_MAP", material.GetTexture(kEmissiveColorMap));
            }
            if (material.HasProperty(kUseEmissiveIntensity) && material.GetFloat(kUseEmissiveIntensity) != 0)
            {
                material.UpdateEmissiveColorFromIntensityAndEmissiveColorLDR();
            }

            if (material.HasProperty(kSpecularOcclusionMode))
            {
                // For migration of specular occlusion to specular mode we remove previous keyword
                // _ENABLESPECULAROCCLUSION is deprecated
                CoreUtils.SetKeyword(material, "_ENABLESPECULAROCCLUSION", false);

                int specOcclusionMode = material.GetInt(kSpecularOcclusionMode);
                CoreUtils.SetKeyword(material, "_SPECULAR_OCCLUSION_NONE", specOcclusionMode == 0);
                CoreUtils.SetKeyword(material, "_SPECULAR_OCCLUSION_FROM_BENT_NORMAL_MAP", specOcclusionMode == 2);
            }
            if (material.HasProperty(kHeightMap))
            {
                CoreUtils.SetKeyword(material, "_HEIGHTMAP", material.GetTexture(kHeightMap));
            }
            if (material.HasProperty(kAnisotropyMap))
            {
                CoreUtils.SetKeyword(material, "_ANISOTROPYMAP", material.GetTexture(kAnisotropyMap));
            }
            if (material.HasProperty(kDetailMap))
            {
                CoreUtils.SetKeyword(material, "_DETAIL_MAP", material.GetTexture(kDetailMap));
            }
            if (material.HasProperty(kSubsurfaceMaskMap))
            {
                CoreUtils.SetKeyword(material, "_SUBSURFACE_MASK_MAP", material.GetTexture(kSubsurfaceMaskMap));
            }
            if (material.HasProperty(kThicknessMap))
            {
                CoreUtils.SetKeyword(material, "_THICKNESSMAP", material.GetTexture(kThicknessMap));
            }
            if (material.HasProperty(kIridescenceThicknessMap))
            {
                CoreUtils.SetKeyword(material, "_IRIDESCENCE_THICKNESSMAP", material.GetTexture(kIridescenceThicknessMap));
            }
            if (material.HasProperty(kSpecularColorMap))
            {
                CoreUtils.SetKeyword(material, "_SPECULARCOLORMAP", material.GetTexture(kSpecularColorMap));
            }

            if (material.HasProperty(kUVDetail) || material.HasProperty(kUVBase))
            {
                bool needUV2 = (UVDetailMapping)material.GetFloat(kUVDetail) == UVDetailMapping.UV2 || (UVBaseMapping)material.GetFloat(kUVBase) == UVBaseMapping.UV2;
                bool needUV3 = (UVDetailMapping)material.GetFloat(kUVDetail) == UVDetailMapping.UV3 || (UVBaseMapping)material.GetFloat(kUVBase) == UVBaseMapping.UV3;

                if (needUV3)
                {
                    material.DisableKeyword("_REQUIRE_UV2");
                    material.EnableKeyword("_REQUIRE_UV3");
                }
                else if (needUV2)
                {
                    material.EnableKeyword("_REQUIRE_UV2");
                    material.DisableKeyword("_REQUIRE_UV3");
                }
                else
                {
                    material.DisableKeyword("_REQUIRE_UV2");
                    material.DisableKeyword("_REQUIRE_UV3");
                }
            }

            if (material.HasProperty(kMaterialID))
            {
                MaterialId materialId = material.GetMaterialId();
                CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_SUBSURFACE_SCATTERING", materialId == MaterialId.LitSSS);
                CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_TRANSMISSION", materialId == MaterialId.LitTranslucent || (materialId == MaterialId.LitSSS && material.GetFloat(kTransmissionEnable) > 0.0f));

                CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_ANISOTROPY", materialId == MaterialId.LitAniso);
                // No material Id for clear coat, just test the attribute
                CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_CLEAR_COAT", material.GetFloat(kCoatMask) > 0.0 || material.GetTexture(kCoatMaskMap));
                CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_IRIDESCENCE", materialId == MaterialId.LitIridescence);
                CoreUtils.SetKeyword(material, "_MATERIAL_FEATURE_SPECULAR_COLOR", materialId == MaterialId.LitSpecular);
            }

            if (material.HasProperty(kRefractionModel))
            {
                var canHaveRefraction = material.GetSurfaceType() == SurfaceType.Transparent && !HDRenderQueue.k_RenderQueue_PreRefraction.Contains(material.renderQueue);
                CoreUtils.SetKeyword(material, "_TRANSMITTANCECOLORMAP", material.GetTexture(kTransmittanceColorMap) && canHaveRefraction);
            }
        }