1 files changed, 4 insertions, 0 deletions
diff --git a/openbox/frame.h b/openbox/frame.h
index cf840bdf..c21860ee 100644
--- a/openbox/frame.h
+++ b/openbox/frame.h
@@ -78,6 +78,10 @@ struct _ObFrame
 
     Window    window;
 
+    Pixmap    pixmap;    /* Offscreen buffer of the frame window's contents
+                            when Composite is enabled */
+    gboolean  has_alpha;
+
     Strut     size;
     Rect      area;
     gboolean  visible;