modules/javafx.web/src/main/java/com/sun/javafx/webkit/prism/WCBufferedContext.java

*** 165,174 ****
--- 165,175 ----
          BaseTransform tx = null;
          if (shadow != null) {
              TEMP_NGRECT.updateRectangle(TEMP_BOUNDS.getMinX(), TEMP_BOUNDS.getMinY(),
                                          TEMP_BOUNDS.getWidth(), TEMP_BOUNDS.getHeight(),
                                          0, 0);
+             TEMP_NGRECT.setContentBounds(TEMP_BOUNDS);
              BaseBounds bb = shadow.getBounds(BaseTransform.IDENTITY_TRANSFORM,
                                               new NodeEffectInput(TEMP_NGRECT));
              assert bb.getBoundsType() == BaseBounds.BoundsType.RECTANGLE;
              TEMP_BOUNDS.setBounds((RectBounds)bb);