From 3f8ccea0da9e1b930577b6443dd6034c766511b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pablo=20Delgado=20Kr=C3=A4mer?= <private@pablode.com>
Date: Sat, 25 Jan 2025 14:55:45 +0100
Subject: [PATCH] Add bitangent input to bump node

---
 libraries/stdlib/stdlib_defs.mtlx | 1 +
 libraries/stdlib/stdlib_ng.mtlx   | 1 +
 2 files changed, 2 insertions(+)

diff --git a/libraries/stdlib/stdlib_defs.mtlx b/libraries/stdlib/stdlib_defs.mtlx
index effe5468bb..e7536a41e2 100644
--- a/libraries/stdlib/stdlib_defs.mtlx
+++ b/libraries/stdlib/stdlib_defs.mtlx
@@ -1419,6 +1419,7 @@
     <input name="scale" type="float" uiname="Scale" uisoftmin="0.0" uisoftmax="1.0" value="1" doc="Scalar to adjust the height amount." />
     <input name="normal" type="vector3" uiname="Normal" defaultgeomprop="Nworld" doc="Surface normal; defaults to the current world-space normal." />
     <input name="tangent" type="vector3" uiname="Tangent" defaultgeomprop="Tworld" doc="Surface tangent vector, defaults to the current world-space tangent vector." />
+    <input name="bitangent" type="vector3" uiname="Bitangent" defaultgeomprop="Bworld" doc="Surface bitangent vector, defaults to the current world-space bitangent vector." />
     <output name="out" type="vector3" doc="Offset surface normal; connect this to a shader's 'normal' input." />
   </nodedef>
 
diff --git a/libraries/stdlib/stdlib_ng.mtlx b/libraries/stdlib/stdlib_ng.mtlx
index d9474fd878..590afef258 100644
--- a/libraries/stdlib/stdlib_ng.mtlx
+++ b/libraries/stdlib/stdlib_ng.mtlx
@@ -2895,6 +2895,7 @@
       <input name="normal" type="vector3" interfacename="normal" />
       <input name="scale" type="float" interfacename="scale" />
       <input name="tangent" type="vector3" interfacename="tangent" />
+      <input name="bitangent" type="vector3" interfacename="bitangent" />
     </normalmap>
     <output name="out" type="vector3" nodename="N_normalmap" />
   </nodegraph>