Merge pull request #1838 from aloysbaillet/fix-geomsubset-material-dirty

Fixed missing material dependency on GeomSubSet (Internal change: 2229909)
PixarAnimationStudios · May 9, 2022 · a9787c3 · a9787c3
2 parents 9c5c41d + c83265f
commit a9787c3
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/pxr/usdImaging/usdImaging/meshAdapter.cpp b/pxr/usdImaging/usdImaging/meshAdapter.cpp
@@ -115,6 +115,11 @@ UsdImagingMeshAdapter::Populate(UsdPrim const& prim,
                 index->GetMaterialAdapter(materialPrim);
             if (materialAdapter) {
                 materialAdapter->Populate(materialPrim, index, nullptr);
+                // We need to register a dependency on the material prim so
+                // that geometry is updated when the material is
+                // (specifically, DirtyMaterialId).
+                // XXX: Eventually, it would be great to push this into hydra.
+                index->AddDependency(cachePath, materialPrim);
             }
         }
     }