[RFC,wayland-protocols] Add alpha-compositing protocol

Gary Bisson gary.bisson at boundarydevices.com
Fri Sep 7 14:02:24 UTC 2018

Hi Alexandros, All,

On Tue, Aug 08, 2017 at 05:24:58PM +0300, Alexandros Frantzis wrote:
> This protocol specifies a set of interfaces used to control the alpha
> compositing and blending of surface contents.
> It's based on the Chromium Wayland protocol of the same name ([1]),
> with a few changes made to the blending_equation enumeration.
> A proof-of-concept implementation for Weston can be found at:
> https://git.collabora.com/cgit/user/alf/weston.git/log/?h=alpha-compositing-v1
> [1] https://chromium.googlesource.com/chromium/src/+/master/third_party/wayland-protocols/unstable/alpha-compositing/alpha-compositing-unstable-v1.xml

Was there any feedback on this RFC? On top of Chromium, it seems that
NXP is now also using it for its i.MX processors [2]. So it would
definitely be great to have this protocol upstream.

Note that NXP apparently modified this version of the patch a bit.


[2] https://source.codeaurora.org/external/imx/wayland-protocols-imx/commit/?id=799164a4

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