[mutter] compositor: Fix regression of shaded windows

[Stefan Walter <stefw src gnome org>]

commit dfa4c7d6701fe3eb581143c46a6a3416bab574ed
Author: Stef Walter <stefw gnome org>
Date:   Wed May 15 10:49:08 2013 +0200

    compositor: Fix regression of shaded windows
    
    Fix issues drawing shaded window shadows.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=693714

 src/compositor/meta-window-actor.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/src/compositor/meta-window-actor.c b/src/compositor/meta-window-actor.c
index 04d754b..a998dd9 100644
--- a/src/compositor/meta-window-actor.c
+++ b/src/compositor/meta-window-actor.c
@@ -1645,7 +1645,7 @@ meta_window_actor_get_obscured_region (MetaWindowActor *self)
 {
   MetaWindowActorPrivate *priv = self->priv;
 
-  if (priv->back_pixmap && priv->opacity == 0xff)
+  if (priv->back_pixmap && priv->opacity == 0xff && !priv->window->shaded)
     return priv->opaque_region;
   else
     return NULL;
@@ -2146,7 +2146,10 @@ check_needs_reshape (MetaWindowActor *self)
   client_area.x = borders.total.left;
   client_area.y = borders.total.top;
   client_area.width = priv->window->rect.width;
-  client_area.height = priv->window->rect.height;
+  if (priv->window->shaded)
+    client_area.height = 0;
+  else
+    client_area.height = priv->window->rect.height;
 
   meta_shaped_texture_set_mask_texture (META_SHAPED_TEXTURE (priv->actor), NULL);
   g_clear_pointer (&priv->shape_region, cairo_region_destroy);