composite: Remove unnecessary variable.

We know that there is damage if the dynamic block handler is registered.

Signed-off-by: Pauli Nieminen <ext-pauli.nieminen@nokia.com>
Reviewed-by: Daniel Stone <daniel@fooishbar.org>

composite/compalloc.c

@@ -50,14 +50,8 @@
 static void
 compScreenUpdate (ScreenPtr pScreen)
 {
-    CompScreenPtr   cs = GetCompScreen (pScreen);
-
     compCheckTree (pScreen);
-    if (cs->damaged)
-    {
-	compWindowUpdate (pScreen->root);
-	cs->damaged = FALSE;
-    }
+    compWindowUpdate (pScreen->root);
 }
 
 static void
@@ -85,11 +79,9 @@ compReportDamage (DamagePtr pDamage, RegionPtr pRegion, void *closure)
     CompScreenPtr   cs = GetCompScreen (pScreen);
     CompWindowPtr   cw = GetCompWindow (pWin);
 
-    if (!cs->damaged) {
+    if (!cs->BlockHandler) {
         cs->BlockHandler = pScreen->BlockHandler;
         pScreen->BlockHandler = compBlockHandler;
-
-        cs->damaged = TRUE;
     }
     cw->damaged = TRUE;
 }

composite/compinit.c

@@ -301,7 +301,6 @@ compScreenInit (ScreenPtr pScreen)
     if (!cs)
 	return FALSE;
 
-    cs->damaged = FALSE;
     cs->overlayWid = FakeClientID(0);
     cs->pOverlayWin = NULL;
     cs->pOverlayClients = NULL;

composite/compint.h

@@ -152,7 +152,6 @@ typedef struct _CompScreen {
 
     ScreenBlockHandlerProcPtr	BlockHandler;
     CloseScreenProcPtr		CloseScreen;
-    Bool			damaged;
     int				numAlternateVisuals;
     VisualID			*alternateVisuals;