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Integrate OpenPBR update from MaterialX project #265

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Merged
AdrienHerubel merged 2 commits into from
Oct 2, 2025
+2 −2
Merged

Integrate OpenPBR update from MaterialX project #265

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c4b2e9d
Integrate OpenPBR updates from MaterialX project
jstone-lucasfilm Jul 8, 2025
822aa4d
Omit hardware shading optimizations
jstone-lucasfilm Sep 2, 2025
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4 changes: 2 additions & 2 deletions reference/open_pbr_surface.mtlx
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Expand Up @@ -23,7 +23,7 @@
doc="Index of refraction of the dielectric base." />
<input name="specular_roughness_anisotropy" type="float" value="0.0" uimin="0.0" uimax="1.0" uiname="Specular Anisotropy" uifolder="Specular" uiadvanced="true"
doc="The directional bias of the roughness of the metal/dielectric base, resulting in increasingly stretched highlights along the tangent direction." />
<input name="transmission_weight" type="float" value="0.0" uimin="0.0" uimax="1.0" uiname="Transmission Weight" uifolder="Transmission" uiadvanced="true"
<input name="transmission_weight" type="float" value="0.0" uimin="0.0" uimax="1.0" uiname="Transmission Weight" uifolder="Transmission" uiadvanced="true" hint="transparency"
doc="Mixture weight between the transparent and opaque dielectric base. The greater the value the more transparent the material." />
<input name="transmission_color" type="color3" value="1, 1, 1" uimin="0,0,0" uimax="1,1,1" uiname="Transmission Color" uifolder="Transmission" uiadvanced="true"
doc="Controls color of the transparent base due to Beer's law volumetric absorption under the surface (reverts to a non-physical tint when transmission_depth is zero)." />
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doc="The amount of emitted light, as a luminance in nits." />
<input name="emission_color" type="color3" value="1, 1, 1" uimin="0,0,0" uimax="1,1,1" uiname="Emission Color" uifolder="Emission"
doc="The color of the emitted light." />
<input name="geometry_opacity" type="float" value="1" uimin="0" uimax="1" uiname="Opacity" uifolder="Geometry"
<input name="geometry_opacity" type="float" value="1" uimin="0" uimax="1" uiname="Opacity" uifolder="Geometry" hint="opacity"
doc="The opacity of the entire material." />
<input name="geometry_thin_walled" type="boolean" value="false" uiname="Thin Walled" uifolder="Geometry" uiadvanced="true"
doc="If true the surface is double-sided and represents an infinitesimally thin shell. Suitable for extremely geometrically thin objects such as leaves or paper." />
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