Pattern "PxrFractal" "PxrFractal1"
        "int layers" [6]
        "float frequency" [8.0]
        "float lacunarity" [2.0]
        "float dimension" [1.0]
        "float erosion" [0.0]
        "float variation" [0.0]
  
Pattern "PxrToFloat3" "PxrToFloat31"
        "reference float input" ["PxrFractal1:resultF"]
        "float inputR" [0.0]
        "float inputG" [0.0]
        "float inputB" [0.0]
  
Pattern "PxrRemap" "PxrRemap1"
        "reference color inputRGB" ["PxrToFloat31:resultRGB"]
        "float inputMin" [0.0]
        "float inputMax" [1.0]
        "int clampInput" [1]
        "color bias" [.5 .5 .5]
        "color gain" [.5 .5 .5]
        "float outputMin" [0.45]
        "float outputMax" [0.55]
        "int clampOutput" [1]
  
Pattern "PxrOSL" "rosette8" "string shader" "rosette"
        "float spoke_length" 0.15
        "float spoke_width" 0.05
        "float spoke_num" 12
        "float spoke_radius" 0.25
        "reference float s_center" "PxrRemap1:resultR"
        "reference float t_center" "PxrRemap1:resultR"
        "color bakcolor" [0.4 0.4 1]
        "color patcolor" [1 0 0]
  
Bxdf "PxrDisney" "PxrDisney1"
        "reference color baseColor" ["rosette8:resultRGB"]
        "color emitColor" [0 0 0]
        "float subsurface" [0]
        "color subsurfaceColor" [0 0 0]
        "float metallic" [0]
        "float specular" [0.5]
        "float specularTint" [0]
        "float roughness" [0.25]
        "float anisotropic" [0]
        "float sheen" [0]
        "float sheenTint" [0.5]
        "float clearcoat" [0]
        "float clearcoatGloss" [1]
        "normal bumpNormal" [0 0 0]
        "float presence" [1]
        "int inputAOV" [0]