src/macosx/classes/sun/java2d/opengl/CGLLayer.java

*** 66,80 ****
      public GraphicsConfiguration getGraphicsConfiguration() {
          return peer.getGraphicsConfiguration();
      }
  
      public boolean isOpaque() {
!         return peer.isOpaque();
      }
  
      public int getTransparency() {
!         return (peer.isOpaque() ? Transparency.OPAQUE : Transparency.TRANSLUCENT);
      }
  
      public Object getDestination() {
          return peer;
      }
--- 66,81 ----
      public GraphicsConfiguration getGraphicsConfiguration() {
          return peer.getGraphicsConfiguration();
      }
  
      public boolean isOpaque() {
!         return !peer.isTranslucent();
      }
  
      public int getTransparency() {
!         return peer.isTranslucent() ? Transparency.TRANSLUCENT :
!                Transparency.OPAQUE;
      }
  
      public Object getDestination() {
          return peer;
      }