From d7fef52254126aa5897a5c58faeda1f61d5b13d8 Mon Sep 17 00:00:00 2001
From: Kevin E Martin <kem@kem.org>
Date: Thu, 2 Sep 2004 04:04:47 +0000
Subject: Workaround for servers using rootless layer with damage (Bug #1168,
 Torrey     T. Lyons).

---
 miext/damage/damage.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/miext/damage/damage.c b/miext/damage/damage.c
index b4b893855..f87adb7a5 100755
--- a/miext/damage/damage.c
+++ b/miext/damage/damage.c
@@ -78,6 +78,14 @@ getDrawableDamageRef (DrawablePtr pDrawable)
     {
 	ScreenPtr   pScreen = pDrawable->pScreen;
 
+#ifdef ROOTLESS_WORKAROUND
+	if (!((WindowPtr)pDrawable)->viewable)
+	{
+	    static DamagePtr nullDamage = 0;
+	    return &nullDamage;
+	}
+#endif
+
 	pPixmap = 0;
 	if (pScreen->GetWindowPixmap)
 	    pPixmap = (*pScreen->GetWindowPixmap) ((WindowPtr)pDrawable);
-- 
cgit v1.2.3