From 3e987ea670aadefeb3a6ad05d9a39dd7902985f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <michel@tungstengraphics.com>
Date: Thu, 18 Oct 2007 17:44:14 +0200
Subject: [PATCH] EXA: Don't attempt to move in pixmaps that can't be
 accelerated.

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=12815 .

(Related to commit 5d74416740de883b7ef0994afea4bbd4d3901be0 on master.)
---
 exa/exa_migration.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/exa/exa_migration.c b/exa/exa_migration.c
index 70d8e1235..ff810411c 100644
--- a/exa/exa_migration.c
+++ b/exa/exa_migration.c
@@ -319,6 +319,10 @@ exaMoveInPixmap (PixmapPtr pPixmap)
     if (pPixmap->drawable.bitsPerPixel < 8)
 	return;
 
+    if (pPixmap->drawable.width > pExaScr->info->maxX ||
+	pPixmap->drawable.height > pExaScr->info->maxY)
+	return;
+
     if (pExaPixmap->area == NULL) {
 	pExaPixmap->area =
 	    exaOffscreenAlloc (pScreen, pExaPixmap->fb_size,