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RichardGeRichardGe
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Demo - add MaterialX demo
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‎Resources/Textures/matx_dielectricBrdf.mtlx

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<?xml version="1.0"?>
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<materialx version="1.38">
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<nodegraph name="nodegraph1">
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<surface name="surf1" type="surfaceshader">
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<input name="bsdf" type="BSDF" nodename="diel0" />
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</surface>
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<oren_nayar_diffuse_bsdf name="diff0" type="BSDF">
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<input name="color" type="color3" value="1.0, 0.0, 0.0" />
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<input name="weight" type="float" value="0.5" />
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</oren_nayar_diffuse_bsdf>
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<dielectric_bsdf name="diel0" type="BSDF">
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<input name="weight" type="float" value="0.5" />
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<input name="tint" type="color3" value="0.0, 1.0, 0.0" />
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<input name="ior" type="float" value="1.5" />
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<parameter name="distribution" type="string" value="ggx" />
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<input name="base" type="BSDF" nodename="diff0" />
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</dielectric_bsdf>
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<output name="outname" type="surfaceshader" nodename="surf1" />
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</nodegraph>
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</materialx>
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‎Resources/Textures/matx_generalizedSchlickBrdf.mtlx

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<?xml version="1.0"?>
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<materialx version="1.38">
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<nodegraph name="test_generalizedschlick">
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<generalized_schlick_bsdf name="schlickbsdf1" type="BSDF">
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<input name="color0" type="color3" value="0.3, 0.3, 1.0" />
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<input name="color90" type="color3" value="1.0, 0.3, 0.3" />
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<input name="exponent" type="float" value="5.0" />
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<input name="roughness" type="vector2" value="0.1, 0.1" />
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</generalized_schlick_bsdf>
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<surface name="surface1" type="surfaceshader">
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<input name="bsdf" type="BSDF" value="" nodename="schlickbsdf1" />
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<input name="edf" type="EDF" value="" />
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<input name="opacity" type="float" value="1.0" />
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</surface>
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<output name="out" type="surfaceshader" nodename="surface1" />
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</nodegraph>
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</materialx>

‎Resources/Textures/matx_noise3d.mtlx

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<?xml version="1.0"?>
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<materialx version="1.38">
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<nodegraph name="nodegraph1">
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<position name="objpos" type="vector3" />
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<multiply name="scalepos" type="vector3">
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<input name="in1" type="vector3" nodename="objpos" />
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<input name="in2" type="float" value="20.0" />
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</multiply>
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<noise3d name="noise" type="float">
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<input name="amplitude" type="vector3" value="1.5, 1.5, 1.5" />
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<input name="pivot" type="vector3" value="0.5, 0.5, 0.5" />
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<input name="position" type="vector3" nodename="scalepos" />
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</noise3d>
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<mix name="mix2" type="color3">
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<input name="bg" type="color3" value="1.0, 0.0, 0.0" />
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<input name="fg" type="color3" value="0.0, 1.0, 1.0" />
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<input name="mix" type="float" nodename="noise" />
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</mix>
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<oren_nayar_diffuse_bsdf name="diff0" type="BSDF">
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<input name="color" type="color3" nodename="mix2" />
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<input name="weight" type="float" value="1.0" />
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</oren_nayar_diffuse_bsdf>
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<surface name="surf1" type="surfaceshader">
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<input name="bsdf" type="BSDF" nodename="diff0" />
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</surface>
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<output name="outname" type="surfaceshader" nodename="surf1" />
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</nodegraph>
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</materialx>
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‎Resources/Textures/matx_normal.mtlx

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<?xml version="1.0"?>
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<materialx version="1.38">
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<nodegraph name="nodegraph1">
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<normal name="normal" type="vector3" />
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<normalize name="normalize" type="vector3">
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<input name="in" type="vector3" nodename="normal" />
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</normalize>
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<surface name="surf1" type="surfaceshader">
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<input name="bsdf" type="BSDF" nodename="diff0" />
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</surface>
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<oren_nayar_diffuse_bsdf name="diff0" type="BSDF">
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<input name="color" type="color3" nodename="normalize" />
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<input name="weight" type="float" value="1.0" />
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</oren_nayar_diffuse_bsdf>
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<output name="outname" type="surfaceshader" nodename="surf1" />
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</nodegraph>
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</materialx>

‎Resources/Textures/matx_standard_surface.mtlx

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‎Resources/Textures/matx_standard_surface_gold.mtlx

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<?xml version="1.0"?>
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<materialx version="1.38">
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<!-- Create the final Test Material -->
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<material name="SimpleRedBase">
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<shaderref name="SimpleRedBase" node="standard_surface">
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<bindinput name="base" type="float" value="1" />
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<bindinput name="base_color" type="color3" value="0.944, 0.776, 0.373" />
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<bindinput name="specular" type="float" value="1" />
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<bindinput name="specular_color" type="color3" value="0.998, 0.981, 0.751" />
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<bindinput name="specular_roughness" type="float" value="0.02" />
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<bindinput name="metalness" type="float" value="1" />
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</shaderref>
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</material>
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</materialx>

‎Resources/Textures/matx_standard_surface_metal_texture.mtlx

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<?xml version="1.0"?>
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<materialx version="1.38">
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<xi:include href="../../Resources/Textures/matx_standard_surface.mtlx" />
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<material name="SimpleRedBase">
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<image name="image_node" type="color3">
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<parameter name="file" type="filename" value="../../Resources/Textures/textest.png" />
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<input name="texcoord" type="vector2" nodename="uv0" />
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</image>
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<shaderref name="SimpleRedBase" node="standard_surface">
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<bindinput name="base" type="float" value="1" />
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<bindinput name="base_color" type="color3" nodename="image_node" />
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<bindinput name="specular" type="float" value="1" />
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<bindinput name="specular_color" type="color3" nodename="image_node" />
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<bindinput name="specular_roughness" type="float" value="0.02" />
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<bindinput name="metalness" type="float" value="1" />
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</shaderref>
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</material>
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</materialx>

‎Resources/Textures/matx_standard_surface_xi_carPaint.mtlx

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<?xml version="1.0"?>
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<materialx version="1.38" xmlns:xi="http://www.w3.org/2001/XInclude">
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<xi:include href="../../Resources/Textures/matx_standard_surface.mtlx" />
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<standard_surface name="SR_Car_Paint" type="surfaceshader">
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<input name="base" type="float" value="0.5" />
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<input name="base_color" type="color3" value="0.103779, 0.59212, 0.850649" />
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<input name="coat" type="float" value="1" />
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<input name="coat_roughness" type="float" value="0" />
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<input name="specular" type="float" value="1" />
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<input name="specular_anisotropy" type="float" value="0.5" />
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<input name="specular_color" type="color3" value="1, 1, 1" />
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<input name="specular_roughness" type="float" value="0.4" />
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</standard_surface>
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<surfacematerial name="Car_Paint" type="material">
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<input name="surfaceshader" type="surfaceshader" nodename="SR_Car_Paint" />
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</surfacematerial>
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</materialx>
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‎Resources/Textures/matx_texture.mtlx

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<?xml version="1.0"?>
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<materialx version="1.38">
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<nodegraph name="nodegraph1">
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<image name="image_node" type="color3">
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<parameter name="file" type="filename" value="../../Resources/Textures/textest.png" />
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<input name="texcoord" type="vector2" nodename="uv0" />
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</image>
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<texcoord name="uv0" type="vector2" />
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<surface name="surf1" type="surfaceshader">
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<input name="bsdf" type="BSDF" nodename="diff0" />
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</surface>
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<oren_nayar_diffuse_bsdf name="diff0" type="BSDF">
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<input name="color" type="color3" nodename="image_node" />
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</oren_nayar_diffuse_bsdf>
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<output name="outname" type="surfaceshader" nodename="surf1" />
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</nodegraph>
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</materialx>

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