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Add TBN inputs to gltf_normalmap #2457

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Add TBN inputs to gltf_normalmap #2457

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c9f470b
Add TBN inputs to gltf_normalmap
pablode Jun 21, 2025
aa40254
Merge branch 'main' into gltf-normalmap-tangents
jstone-lucasfilm Jul 1, 2025
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6 changes: 6 additions & 0 deletions libraries/bxdf/gltf_pbr.mtlx
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Original file line number Diff line number Diff line change
Expand Up @@ -653,6 +653,9 @@
<input name="file" type="filename" uniform="true" value="" />
<input name="default" type="vector3" value="0.5, 0.5, 1" />
<input name="texcoord" type="vector2" defaultgeomprop="UV0" />
<input name="normal" type="vector3" defaultgeomprop="Nworld" />
<input name="tangent" type="vector3" defaultgeomprop="Tworld" />
<input name="bitangent" type="vector3" defaultgeomprop="Bworld" />
<input name="pivot" type="vector2" value="0, 1" />
<input name="scale" type="vector2" value="1, 1" />
<input name="rotate" type="float" value="0" unit="degree" unittype="angle" uimin="0" uimax="360" />
Expand All @@ -674,6 +677,9 @@
</image>
<normalmap name="normalmap" type="vector3">
<input name="in" type="vector3" nodename="image" />
<input name="normal" type="vector3" interfacename="normal" />
<input name="tangent" type="vector3" interfacename="tangent" />
<input name="bitangent" type="vector3" interfacename="bitangent" />
</normalmap>
<divide name="invert_scale" type="vector2">
<input name="in1" type="vector2" value="1.0, 1.0" />
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