Author: Sebastien Bacher <seb128@canonical.com>
Description: Fix decorator crash when ARGB isn't enabled
 Fix gtk-window-decorator crash when ARGB isn't enabled and only
 that, in this case window-decoration are invisible
Origin: vendor, ubuntu (1:0.3.6-1ubuntu9)
Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/94140
Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/82205
--- a/gtk/window-decorator/gtk-window-decorator.c
+++ b/gtk/window-decorator/gtk-window-decorator.c
@@ -1912,10 +1912,8 @@ meta_draw_window_decoration (decor_t *d)
 
     size = MAX (fgeom.top_height, fgeom.bottom_height);
 
-    if (rect.width && size)
+    if (rect.width && size && (pixmap = create_pixmap (rect.width, size)))
     {
-	pixmap = create_pixmap (rect.width, size);
-
 	cr = gdk_cairo_create (GDK_DRAWABLE (pixmap));
 	gdk_cairo_set_source_color_alpha (cr, &bg_color, bg_alpha);
 	cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
@@ -2014,10 +2012,8 @@ meta_draw_window_decoration (decor_t *d)
 
     size = MAX (fgeom.left_width, fgeom.right_width);
 
-    if (size && rect.height)
+    if (size && rect.height && (pixmap = create_pixmap (size, rect.height)))
     {
-	pixmap = create_pixmap (size, rect.height);
-
 	cr = gdk_cairo_create (GDK_DRAWABLE (pixmap));
 	gdk_cairo_set_source_color_alpha (cr, &bg_color, bg_alpha);
 	cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
@@ -3289,9 +3285,12 @@ update_window_decoration_icon (WnckWindo
 	g_object_ref (G_OBJECT (d->icon_pixbuf));
 
 	d->icon_pixmap = pixmap_new_from_pixbuf (d->icon_pixbuf);
-	cr = gdk_cairo_create (GDK_DRAWABLE (d->icon_pixmap));
-	d->icon = cairo_pattern_create_for_surface (cairo_get_target (cr));
-	cairo_destroy (cr);
+	if (d->icon_pixmap)
+	{
+	    cr = gdk_cairo_create (GDK_DRAWABLE (d->icon_pixmap));
+	    d->icon = cairo_pattern_create_for_surface (cairo_get_target (cr));
+	    cairo_destroy (cr);
+	}
     }
 }