218 lines
5.4 KiB
HLSL
218 lines
5.4 KiB
HLSL
#ifndef FILAMENT_MATERIAL_INPUTS
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#define FILAMENT_MATERIAL_INPUTS
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// Decide if we can skip lighting when dot(n, l) <= 0.0
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#if defined(SHADING_MODEL_CLOTH)
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#if !defined(MATERIAL_HAS_SUBSURFACE_COLOR)
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#define MATERIAL_CAN_SKIP_LIGHTING
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#endif
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#elif defined(SHADING_MODEL_SUBSURFACE)
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// Cannot skip lighting
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#else
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#define MATERIAL_CAN_SKIP_LIGHTING
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#endif
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struct MaterialInputs {
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half4 baseColor;
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#if !defined(SHADING_MODEL_UNLIT)
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#if !defined(SHADING_MODEL_SPECULAR_GLOSSINESS)
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half roughness;
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#endif
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#if !defined(SHADING_MODEL_CLOTH) && !defined(SHADING_MODEL_SPECULAR_GLOSSINESS)
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half metallic;
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half reflectance;
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#endif
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half ambientOcclusion;
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#endif
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half4 emissive;
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#if !defined(SHADING_MODEL_CLOTH) && !defined(SHADING_MODEL_SUBSURFACE) && !defined(SHADING_MODEL_UNLIT)
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half3 sheenColor;
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half sheenRoughness;
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#endif
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#if defined(MATERIAL_HAS_GLINT)
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float2 uv;
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float glintAlpha;
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float glintDensity;
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#endif
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half clearCoat;
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half clearCoatRoughness;
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half anisotropy;
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half3 anisotropyDirection;
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#if defined(SHADING_MODEL_SUBSURFACE) || defined(HAS_REFRACTION)
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half thickness;
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#endif
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#if defined(SHADING_MODEL_SUBSURFACE)
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half subsurfacePower;
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half3 subsurfaceColor;
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#endif
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#if defined(SHADING_MODEL_CLOTH)
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half3 sheenColor;
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#if defined(MATERIAL_HAS_SUBSURFACE_COLOR)
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half3 subsurfaceColor;
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#endif
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#endif
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#if defined(SHADING_MODEL_SPECULAR_GLOSSINESS)
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half3 specularColor;
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half glossiness;
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#endif
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#if defined(MATERIAL_HAS_NORMAL)
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half3 normal;
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#endif
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#if defined(MATERIAL_HAS_BENT_NORMAL)
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half3 bentNormal;
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#endif
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#if defined(MATERIAL_HAS_CLEAR_COAT) && defined(MATERIAL_HAS_CLEAR_COAT_NORMAL)
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half3 clearCoatNormal;
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#endif
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#if defined(MATERIAL_HAS_POST_LIGHTING_COLOR)
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half4 postLightingColor;
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#endif
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#if !defined(SHADING_MODEL_CLOTH) && !defined(SHADING_MODEL_SUBSURFACE) && !defined(SHADING_MODEL_UNLIT)
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#if defined(HAS_REFRACTION)
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#if defined(MATERIAL_HAS_ABSORPTION)
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half3 absorption;
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#endif
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#if defined(MATERIAL_HAS_TRANSMISSION)
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half transmission;
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#endif
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#if defined(MATERIAL_HAS_IOR)
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half ior;
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#endif
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#if defined(MATERIAL_HAS_MICRO_THICKNESS) && (REFRACTION_TYPE == REFRACTION_TYPE_THIN)
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half microThickness;
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#endif
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#elif !defined(SHADING_MODEL_SPECULAR_GLOSSINESS)
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#if defined(MATERIAL_HAS_IOR)
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half ior;
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#endif
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#endif
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#endif
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};
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void initMaterial(out MaterialInputs material) {
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material = (MaterialInputs)0;
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material.baseColor = 1.0;
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#if !defined(SHADING_MODEL_UNLIT)
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#if !defined(SHADING_MODEL_SPECULAR_GLOSSINESS)
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material.roughness = 1.0;
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#endif
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#if !defined(SHADING_MODEL_CLOTH) && !defined(SHADING_MODEL_SPECULAR_GLOSSINESS)
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material.metallic = 0.0;
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material.reflectance = 0.5;
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#endif
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material.ambientOcclusion = 1.0;
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#endif
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material.emissive = half4(half3(0.0.xxx), 1.0);
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#if !defined(SHADING_MODEL_CLOTH) && !defined(SHADING_MODEL_SUBSURFACE) && !defined(SHADING_MODEL_UNLIT)
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#if defined(MATERIAL_HAS_SHEEN_COLOR)
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material.sheenColor = half3(0.0.xxx);
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material.sheenRoughness = 0.0;
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#endif
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#endif
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#if defined(MATERIAL_HAS_CLEAR_COAT)
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material.clearCoat = 1.0;
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material.clearCoatRoughness = 0.0;
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#endif
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#if defined(MATERIAL_HAS_ANISOTROPY)
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material.anisotropy = 0.0;
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material.anisotropyDirection = half3(1.0, 0.0, 0.0);
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#endif
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#if defined(SHADING_MODEL_SUBSURFACE) || defined(HAS_REFRACTION)
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material.thickness = 0.5;
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#endif
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#if defined(SHADING_MODEL_SUBSURFACE)
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material.subsurfacePower = 12.234;
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material.subsurfaceColor = half3(1.0.xxx);
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#endif
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#if defined(SHADING_MODEL_CLOTH)
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material.sheenColor = sqrt(material.baseColor.rgb);
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#if defined(MATERIAL_HAS_SUBSURFACE_COLOR)
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material.subsurfaceColor = half3(0.0.xxx);
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#endif
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#endif
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#if defined(SHADING_MODEL_SPECULAR_GLOSSINESS)
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material.glossiness = 0.0;
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material.specularColor = half3(0.0.xxx);
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#endif
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#if defined(MATERIAL_HAS_NORMAL)
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material.normal = half3(0.0, 0.0, 1.0);
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#endif
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#if defined(MATERIAL_HAS_BENT_NORMAL)
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material.bentNormal = half3(0.0, 0.0, 1.0);
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#endif
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#if defined(MATERIAL_HAS_CLEAR_COAT) && defined(MATERIAL_HAS_CLEAR_COAT_NORMAL)
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material.clearCoatNormal = half3(0.0, 0.0, 1.0);
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#endif
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#if defined(MATERIAL_HAS_POST_LIGHTING_COLOR)
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material.postLightingColor = half4(0.0.xxx);
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#endif
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#if defined(MATERIAL_HAS_GLINT)
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material.uv = float2(0.0, 0.0);
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material.glintAlpha = 0.05;
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material.glintDensity = 10000.0;
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#endif
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#if !defined(SHADING_MODEL_CLOTH) && !defined(SHADING_MODEL_SUBSURFACE) && !defined(SHADING_MODEL_UNLIT)
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#if defined(HAS_REFRACTION)
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#if defined(MATERIAL_HAS_ABSORPTION)
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material.absorption = half3(0.0.xxx);
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#endif
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#if defined(MATERIAL_HAS_TRANSMISSION)
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material.transmission = 1.0;
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#endif
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#if defined(MATERIAL_HAS_IOR)
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material.ior = 1.5;
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#endif
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#if defined(MATERIAL_HAS_MICRO_THICKNESS) && (REFRACTION_TYPE == REFRACTION_TYPE_THIN)
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material.microThickness = 0.0;
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#endif
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#elif !defined(SHADING_MODEL_SPECULAR_GLOSSINESS)
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#if defined(MATERIAL_HAS_IOR)
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material.ior = 1.5;
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#endif
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#endif
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#endif
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}
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#if defined(MATERIAL_HAS_CUSTOM_SURFACE_SHADING)
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/** @public-api */
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struct LightData {
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half4 colorIntensity;
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half3 l;
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half NdotL;
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half3 worldPosition;
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half attenuation;
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half visibility;
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};
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/** @public-api */
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struct ShadingData {
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half3 diffuseColor;
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half perceptualRoughness;
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half3 f0;
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half roughness;
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};
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#endif
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#endif // FILAMENT_MATERIAL_INPUTS
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