From: Adam Jackson <ajax@redhat.com>

Date: Sun, 28 Oct 2007 09:37:52 +0100

Subject: [PATCH] Send less damage for manually redirected windows.

Disable damage notifications on move for manually redirected windows.

The automatic compositor needs damage notification on move, but a

compositing manager doesn't.

---

--- a/composite/compwindow.c.spiffiffity	2006-03-29 12:51:53.000000000 -0500

+++ b/composite/compwindow.c	2006-04-13 23:18:42.000000000 -0400

@@ -571,12 +571,15 @@

     }

     else

     {

+	CompWindowPtr	cw = GetCompWindow (pWin);

+

 	ptOldOrg.x -= dx;

 	ptOldOrg.y -= dy;

 	REGION_TRANSLATE (prgnSrc, prgnSrc,

 			  pWin->drawable.x - ptOldOrg.x,

 			  pWin->drawable.y - ptOldOrg.y);

-	DamageDamageRegion (&pWin->drawable, prgnSrc);

+	if (pWin->redirectDraw && cw->update == CompositeRedirectAutomatic)

+	  DamageDamageRegion (&pWin->drawable, prgnSrc);

     }

     cs->CopyWindow = pScreen->CopyWindow;

     pScreen->CopyWindow = compCopyWindow;

@@ -655,7 +658,8 @@

     /*

      * Report that as damaged so it will be redrawn

      */

-    DamageDamageRegion (&pWin->drawable, &damage);

+    if (cw->update == CompositeRedirectAutomatic)

+      DamageDamageRegion (&pWin->drawable, &damage);

     REGION_UNINIT (pScreen, &damage);

     /*

      * Save the new border clip region