Hi, I have attached an updated patch based on an email discussion with Martin.
>From 047bae702be8180c50119660c858111c5088450f Mon Sep 17 00:00:00 2001 From: Adel Gadllah <adel.gadl...@gmail.com> Date: Tue, 14 Feb 2012 14:30:28 +0100 Subject: [PATCH] Add _NET_WM_BYPASS_COMPOSITOR and _NET_WM_DONT_BYPASS_COMPOSITOR Add properties that allows client windows to hint the compositor that they should or should never be unredirected / run uncomposited. --- wm-spec/wm-spec.xml | 35 +++++++++++++++++++++++++++++++++++ 1 Datei geändert, 35 Zeilen hinzugefügt(+) diff --git a/wm-spec/wm-spec.xml b/wm-spec/wm-spec.xml index 87dc02d..858acbb 100644 --- a/wm-spec/wm-spec.xml +++ b/wm-spec/wm-spec.xml @@ -1578,6 +1578,38 @@ Rationale: This gives the compositing manager more room for optimizations. For example, it can avoid drawing occluded portions behind the window. </para> </sect2> + + <sect2><title>_NET_WM_BYPASS_COMPOSITOR</title> + <programlisting><![CDATA[ +_NET_WM_BYPASS_COMPOSITOR, ATOM +]]></programlisting> + <para> +The Client MAY set this property to hint the compositor that the window would +benefit from running uncomposited (i.e not redirected offscreen). +The compositing manager MAY ignore this hint. + </para> + <para> +Rationale: Some applications like fullscreen games might want run without the overhead +of being redirected offscreen (to avoid extra copies) and thus perform better. + </para> + </sect2> + + <sect2><title>_NET_WM_DONT_BYPASS_COMPOSITOR</title> + <programlisting><![CDATA[ +_NET_WM_DONT_BYPASS_COMPOSITOR, ATOM +]]></programlisting> + <para> +The Client MAY set this property to hint the compositor that the window should not +be unredirected by any heuristic. +The compositing manager MAY ignore this hint. + </para> + <para> +Rationale: Some windows might fall into a compositors unredirect heuristics for +instance by being fullscreen but might not be performance critical or don't +benefit or even being hurt from being unredirected due to other reasons. + </para> + </sect2> + </sect1> <sect1> <title>Window Manager Protocols</title> @@ -2283,6 +2315,9 @@ OR OTHER DEALINGS IN THE SOFTWARE. <sect2> <title>Changes since 1.4draft</title> <itemizedlist> + <listitem><para> +Added _NET_WM_BYPASS_COMPOSITOR and _NET_WM_DONT_BYPASS_COMPOSITOR. + </para></listitem> <listitem><para> Added _NET_WM_STATE_FOCUSED. </para></listitem> -- 1.7.11.4 _______________________________________________ wm-spec-list mailing list wm-spec-list@gnome.org https://mail.gnome.org/mailman/listinfo/wm-spec-list