hdGatling: fix missing Varying interpolation when reading mesh primvars

pablode · Aug 18, 2024 · 0567c12 · 0567c12
1 parent 273c846
commit 0567c12
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/hdGatling/mesh.cpp b/src/hdGatling/mesh.cpp
@@ -560,7 +560,10 @@ bool HdGatlingMesh::_ReadTriangulatedPrimvar(HdSceneDelegate* sceneDelegate,
 
   HdVtBufferSource buffer(name, boxedValues);
 
-  if (interpolation == HdInterpolationVertex)
+  if (interpolation == HdInterpolationVertex ||
+      // Varying is equivalent to Vertex for non-subdivided polygonal surfaces (and we don't support subdivision):
+      // https://github.com/usd-wg/assets/tree/907d5f17bbe933fc14441a3f3ab69a5bd8abe32a/docs/PrimvarInterpolation#vertex
+      interpolation == HdInterpolationVarying)
   {
     result = boxedValues;
     isIndexed = true;