src/java.desktop/unix/classes/sun/java2d/xr/XRSurfaceDataProxy.java

@@ -57,12 +57,13 @@
 
     @Override
     public SurfaceData validateSurfaceData(SurfaceData srcData,
             SurfaceData cachedData, int w, int h) {
         if (cachedData == null) {
-            cachedData = XRSurfaceData.createData(xrgc, w, h, xrgc
-                    .getColorModel(), null, 0, getTransparency());
+            cachedData = XRSurfaceData.createData(xrgc, w, h,
+                                                  xrgc.getColorModel(), null, 0,
+                                                  getTransparency(), true);
         }
         return cachedData;
     }
 
     public XRSurfaceDataProxy(XRGraphicsConfig x11gc, int transparency) {