--- old/src/macosx/classes/sun/java2d/opengl/CGLLayer.java	2012-06-04 18:39:14.786392700 +0400
+++ new/src/macosx/classes/sun/java2d/opengl/CGLLayer.java	2012-06-04 18:39:14.516377300 +0400
@@ -68,11 +68,12 @@
     }
 
     public boolean isOpaque() {
-        return peer.isOpaque();
+        return !peer.isTranslucent();
     }
 
     public int getTransparency() {
-        return (peer.isOpaque() ? Transparency.OPAQUE : Transparency.TRANSLUCENT);
+        return peer.isTranslucent() ? Transparency.TRANSLUCENT :
+               Transparency.OPAQUE;
     }
 
     public Object getDestination() {