1 files changed, 4 insertions, 0 deletions
diff --git a/src/nativewindow/classes/jogamp/nativewindow/ProxySurfaceImpl.java b/src/nativewindow/classes/jogamp/nativewindow/ProxySurfaceImpl.java
index 4c53ddb94..9f650f760 100644
--- a/src/nativewindow/classes/jogamp/nativewindow/ProxySurfaceImpl.java
+++ b/src/nativewindow/classes/jogamp/nativewindow/ProxySurfaceImpl.java
@@ -163,6 +163,10 @@ public abstract class ProxySurfaceImpl implements ProxySurface {
 
     @Override
     public boolean surfaceSwap() {
+        final NativeSurface upstreamSurface = upstream.getUpstreamSurface();
+        if( null != upstreamSurface ) {
+            return upstreamSurface.surfaceSwap();
+        }
         return false;
     }