dix: Remove the backing store leftovers

Reviewed-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Adam Jackson <ajax@redhat.com>

1 files changed, 0 insertions, 12 deletions

diff --git a/miext/rootless/rootlessValTree.c b/miext/rootless/rootlessValTree.c
index e2c4ffe87..d242600be 100644
--- a/miext/rootless/rootlessValTree.c
+++ b/miext/rootless/rootlessValTree.c
@@ -471,18 +471,6 @@ RootlessComputeClips (WindowPtr pParent, ScreenPtr pScreen,
 			       universe, &pParent->clipList);
     }
 
-    /*
-     * One last thing: backing storage. We have to try to save what parts of
-     * the window are about to be obscured. We can just subtract the universe
-     * from the old clipList and get the areas that were in the old but aren't
-     * in the new and, hence, are about to be obscured.
-     */
-    if (pParent->backStorage && !resized)
-    {
-	RegionSubtract(exposed, &pParent->clipList, universe);
-	(* pScreen->SaveDoomedAreas)(pParent, exposed, dx, dy);
-    }
-    
     /* HACK ALERT - copying contents of regions, instead of regions */
     {
 	RegionRec   tmp;