Merge pull request #4360 from dj-mcg/pr/UsdMayaReferenceAssembly_Optimization

Optimization for UsdMayaReferenceAssembly

Author: seando-adsk

plugin/pxr/maya/lib/usdMaya/referenceAssembly.cpp

@@ -375,6 +375,16 @@ bool UsdMayaReferenceAssembly::activateRep(const MString& repMStr)
     return true;
 }
 
+bool UsdMayaReferenceAssembly::activate(const MString& repMStr)
+{
+    // Early out if repMStr is already the active representation.
+    if (getActive() == repMStr) {
+        return true;
+    }
+
+    return MPxAssembly::activate(repMStr);
+}
+
 //
 // == Optional Function Overrides
 //

plugin/pxr/maya/lib/usdMaya/referenceAssembly.h

@@ -151,6 +151,8 @@ class UsdMayaReferenceAssembly
     MStatus setRepLabel(const MString& representation, const MString& label) override;
     PXRUSDMAYA_API
     bool activateRep(const MString& representation) override;
+    PXRUSDMAYA_API
+    bool activate(const MString& representation) override;
 
     // Optional overrides
     PXRUSDMAYA_API