{
    "Name": "SurfaceShaderClearcoat",
    "OverrideMaterial": "engine:pbrCommon.rematerialdefinition",
    "Parameters": {
        "Constants": {
            "userParameter"  : "[0,0,0,0]"
        },
        "Buffers": {
            "userConstants"  : "fallback.zeros"
        },
        "Textures": {
            "textureCustom"  : "fallback.black"
        }
    },
    "Techniques": [
    {
        "Name": "SurfaceShaderOpaque",
        "VertexShader": {
            "Entry": "realitykit::vsGeometryModifier",
        },
        "PixelShader": {
            "Entry": "realitykit::fsSurfacePbr",
        },
        "State" : {
            "AlphaBlend" : false,
            "WriteDepth" : true,
            "DepthCompareFunction" : "GreaterEqual"
        },
        "FunctionConstants" : {
            "EnableBaseColorMap"        : "true",
            "EnableNormalMap"           : "true",
            "EnableEmissiveMap"         : "true",
            "EnableSeparateRMAS"        : "true",
            "EnableSingleRMAS"          : "false",
            "EnableRoughnessMap"        : "true",
            "EnableMetallicMap"         : "true",
            "EnableAOMap"               : "true",
            "EnableSpecularMap"         : "true",
            "EnableOpacityMap"          : "true",

            "VertexColorOption"         : "0",
            "EnableVertexColor"         : "true",
            "EnableMultiUVs"            : "true",

            "EnableAreaLight"           : "false",
            "EnableClearcoat"           : "true",
            "EnableCloth"               : "false",
            "EnableAnisotropy"          : "false",
            "EnableIBL"                 : "true",
            "EnableAREnvProbe"          : "false",
            "EnableDynamicLighting"     : "false",
            "EnableSSAO"                : "false",
            "EnableSSDO"                : "false",
            "EnableMultiscatter"        : "true"
        },
        "DefaultVariations" : [ "OpaqueCommon" ],
    },
    {
        "Name": "SurfaceShaderTransparent",
        "VertexShader": {
            "Entry": "realitykit::vsGeometryModifier",
        },
        "PixelShader": {
            "Entry": "realitykit::fsSurfacePbr",
        },
        "State" : {
            "AlphaBlend"                : true,
            "WriteDepth"                : true,
            "DepthCompareFunction"      : "GreaterEqual",
            "AlphaBlendOperation"       : "Add",
            "AlphaSourceFactor"         : "One",
            "AlphaDestinationFactor"    : "OneMinusSourceAlpha",
            "RgbBlendOperation"         : "Add",
            "RgbSourceFactor"           : "One",
            "RgbDestinationFactor"      : "OneMinusSourceAlpha"
        },
        "FunctionConstants" : {
            "EnableBaseColorMap"        : "true",
            "EnableNormalMap"           : "true",
            "EnableEmissiveMap"         : "true",
            "EnableSeparateRMAS"        : "true",
            "EnableSingleRMAS"          : "false",
            "EnableRoughnessMap"        : "true",
            "EnableMetallicMap"         : "true",
            "EnableAOMap"               : "true",
            "EnableSpecularMap"         : "true",
            "EnableOpacityMap"          : "true",

            "EnableTransparency"        : "true",
            "VertexColorOption"         : "0",
            "EnableVertexColor"         : "true",
            "EnableMultiUVs"            : "true",

            "EnableAreaLight"           : "false",
            "EnableClearcoat"           : "true",
            "EnableCloth"               : "false",
            "EnableAnisotropy"          : "false",
            "EnableIBL"                 : "true",
            "EnableAREnvProbe"          : "false",
            "EnableDynamicLighting"     : "false",
            "EnableSSAO"                : "false",
            "EnableSSDO"                : "false",
            "EnableMultiscatter"        : "true"
        },
        "DefaultVariations" : [ "TransparentCommon" ],
    },
    {
        "Name": "Shadow",
        "VertexShader": {
            "Entry": "realitykit::vsGeometryModifier"
        },
        "PixelShader": {
            "Entry": "realitykit::fsSurfaceShadow"
        },
        "State" : {
            "ColorWriteMask" : "None"
        },
        "FunctionConstants" : {
            "EnableBaseColorMap"        : "true",
            "EnableNormalMap"           : "true",
            "EnableEmissiveMap"         : "true",
            "EnableSeparateRMAS"        : "true",
            "EnableSingleRMAS"          : "false",
            "EnableRoughnessMap"        : "true",
            "EnableMetallicMap"         : "true",
            "EnableAOMap"               : "true",
            "EnableSpecularMap"         : "true",
            "EnableOpacityMap"          : "true",

            "VertexColorOption"         : "0",
            "EnableVertexColor"         : "true",
            "EnableMultiUVs"            : "true",
        },
    }],
    "TechniqueMapping": {
        "Opaque": "SurfaceShaderOpaque",
        "Shadow": "Shadow"
    }
}