modules/graphics/src/main/java/javafx/scene/effect/Effect.java

@@ -93,10 +93,15 @@
 
             @Override
             public Effect copy(Effect effect) {
                 return effect.copy();
             }
+
+            @Override
+            public com.sun.scenario.effect.Blend.Mode getToolkitBlendMode(BlendMode mode) {
+                return Blend.getToolkitMode(mode);
+            }
         });
     }
 
     /**
      * Creates a new Effect.