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| author | Adel Gadllah <adel.gadllah@gmail.com> | 2013-01-25 14:28:05 -0500 |
|---|---|---|
| committer | Owen W. Taylor <otaylor@fishsoup.net> | 2013-01-25 14:36:17 -0500 |
| commit | 77da08959a92a9873794ca0242d0a3ffea33befc (patch) | |
| tree | 8e0dc26dc60d24d6940318292072284630b040a4 | |
| parent | bf169edffd0bd01c72eed6ff37333979e7922c09 (diff) | |
| download | xdg-specs-77da08959a92a9873794ca0242d0a3ffea33befc.tar.xz | |
Add _NET_WM_BYPASS_COMPOSITOR hint
Adds a property that allows client windows to hint the compositor that they
should or should never be unredirected / run uncomposited.
| -rw-r--r-- | wm-spec/wm-spec.xml | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/wm-spec/wm-spec.xml b/wm-spec/wm-spec.xml index 87dc02d..08eef15 100644 --- a/wm-spec/wm-spec.xml +++ b/wm-spec/wm-spec.xml @@ -1578,6 +1578,29 @@ 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, CARDINAL/32 +]]></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) or that the window might be hurt from being uncomposited. +A value of 0 indicates no preference. A value of 1 hints the +compositor to disabling compositing of this window. A value of 2 hints +the compositor to not disabling compositing of this window. All other +values are reserved and should be treated the same as a value of +0. The compositing manager MAY bypass compositing for both fullscreen +and non-fullscreen windows if bypassing is requested, but MUST NOT +bypass if it would cause differences from the composited appearance. + </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. An application which creates +pop-up windows might always want to run composited to avoid exposes. + </para> + </sect2> </sect1> <sect1> <title>Window Manager Protocols</title> @@ -2284,6 +2307,9 @@ OR OTHER DEALINGS IN THE SOFTWARE. <title>Changes since 1.4draft</title> <itemizedlist> <listitem><para> +Added _NET_WM_BYPASS_COMPOSITOR + </para></listitem> + <listitem><para> Added _NET_WM_STATE_FOCUSED. </para></listitem> <listitem><para> |