tinyusdz/tests/usda/shader.usda

#usda 1.0
(
    customLayerData = {
        string copyright = "Copyright (c) 2019 Apple Inc. All rights reserved."
        string creator = "USD 19.05 Maya Plugin (Apple Internal a3)"
    }
    defaultPrim = "teapot"
    metersPerUnit = 0.01
    timeCodesPerSecond = 24
    upAxis = "Y"
)

def Xform "teapot" (
    kind = "component"
)
{
    def Scope "Looks"
    {
        def Material "pxrUsdPreviewSurface1SG"
        {
            token outputs:surface.connect = </teapot/Looks/pxrUsdPreviewSurface1SG/TeapotMaterial.outputs:surface>

            def Shader "TeapotMaterial"
            {
                uniform token info:id = "UsdPreviewSurface"
                color3f inputs:diffuseColor.connect = </teapot/Looks/pxrUsdPreviewSurface1SG/teapot_high_lambert1_BaseColor_1.outputs:rgb>
                float inputs:metallic.connect = </teapot/Looks/pxrUsdPreviewSurface1SG/teapot_high_lambert1_Metallic_1.outputs:r>
                normal3f inputs:normal.connect = </teapot/Looks/pxrUsdPreviewSurface1SG/teapot_high_lambert1_Normal_1.outputs:rgb>
                float inputs:occlusion.connect = </teapot/Looks/pxrUsdPreviewSurface1SG/file4.outputs:r>
                float inputs:roughness.connect = </teapot/Looks/pxrUsdPreviewSurface1SG/teapot_high_lambert1_Roughness_1.outputs:r>
                token outputs:displacement
                token outputs:surface
            }

            def Shader "teapot_high_lambert1_Normal_1"
            {
                uniform token info:id = "UsdUVTexture"
                float4 inputs:fallback = (0.5, 0.5, 0.5, 1)
                asset inputs:file = @0/teapot_n.png@
                float2 inputs:st.connect = </teapot/Looks/pxrUsdPreviewSurface1SG/teapot_high_lambert1_Normal_1/TexCoordReader.outputs:result>
                token inputs:wrapS = "repeat"
                token inputs:wrapT = "repeat"
                float3 outputs:rgb

                def Shader "TexCoordReader"
                {
                    uniform token info:id = "UsdPrimvarReader_float2"
                    token inputs:varname = "st"
                    float2 outputs:result
                }
            }

            def Shader "teapot_high_lambert1_Roughness_1"
            {
                uniform token info:id = "UsdUVTexture"
                float4 inputs:fallback = (0.5, 0.5, 0.5, 1)
                asset inputs:file = @0/teapot_r.png@
                float2 inputs:st.connect = </teapot/Looks/pxrUsdPreviewSurface1SG/teapot_high_lambert1_Roughness_1/TexCoordReader.outputs:result>
                token inputs:wrapS = "repeat"
                token inputs:wrapT = "repeat"
                float outputs:r
                float3 outputs:rgb

                def Shader "TexCoordReader"
                {
                    uniform token info:id = "UsdPrimvarReader_float2"
                    token inputs:varname = "st"
                    float2 outputs:result
                }
            }

            def Shader "teapot_high_lambert1_Metallic_1"
            {
                uniform token info:id = "UsdUVTexture"
                float4 inputs:fallback = (0.5, 0.5, 0.5, 1)
                asset inputs:file = @0/teapot_m.png@
                float2 inputs:st.connect = </teapot/Looks/pxrUsdPreviewSurface1SG/teapot_high_lambert1_Metallic_1/TexCoordReader.outputs:result>
                token inputs:wrapS = "repeat"
                token inputs:wrapT = "repeat"
                float outputs:r
                float3 outputs:rgb

                def Shader "TexCoordReader"
                {
                    uniform token info:id = "UsdPrimvarReader_float2"
                    token inputs:varname = "st"
                    float2 outputs:result
                }
            }

            def Shader "teapot_high_lambert1_BaseColor_1"
            {
                uniform token info:id = "UsdUVTexture"
                float4 inputs:fallback = (0.5, 0.5, 0.5, 1)
                asset inputs:file = @0/teapot_bc.png@
                float2 inputs:st.connect = </teapot/Looks/pxrUsdPreviewSurface1SG/teapot_high_lambert1_BaseColor_1/TexCoordReader.outputs:result>
                token inputs:wrapS = "repeat"
                token inputs:wrapT = "repeat"
                float3 outputs:rgb

                def Shader "TexCoordReader"
                {
                    uniform token info:id = "UsdPrimvarReader_float2"
                    token inputs:varname = "st"
                    float2 outputs:result
                }
            }

            def Shader "file4"
            {
                uniform token info:id = "UsdUVTexture"
                float4 inputs:fallback = (0.5, 0.5, 0.5, 1)
                asset inputs:file = @0/teapot_ao.png@
                float2 inputs:st.connect = </teapot/Looks/pxrUsdPreviewSurface1SG/file4/TexCoordReader.outputs:result>
                float outputs:r
                float3 outputs:rgb

                def Shader "TexCoordReader"
                {
                    uniform token info:id = "UsdPrimvarReader_float2"
                    token inputs:varname = "st"
                    float2 outputs:result
                }
            }
        }
    }
}