Comment 46 for bug 299330

For those who use metacity with enabled compositing_manager, simple patch which deactivates windows previews in alt+tab
So alt+tab works same fast as without compositing_manager.

Index: metacity-2.30.3/src/core/screen.c
===================================================================
--- metacity-2.30.3.orig/src/core/screen.c 2011-08-30 22:55:19.000000000 +0400
+++ metacity-2.30.3/src/core/screen.c 2011-08-30 23:02:19.000000000 +0400
@@ -1285,7 +1285,6 @@
       entries[i].key = (MetaTabEntryKey) window->xwindow;
       entries[i].title = window->title;

- win_pixbuf = get_window_pixbuf (window, &width, &height);
       if (win_pixbuf == NULL)
         entries[i].icon = g_object_ref (window->icon);
       else