D8582: [platforms/drm] Add support for rotation property on the Plane
Martin Flöser
noreply at phabricator.kde.org
Tue Oct 31 19:35:25 UTC 2017
graesslin added a comment.
In https://phabricator.kde.org/D8582#162577, @davidedmundson wrote:
> Do you think we'll need a compositor fallback?
>
> *If* we do have a compositor fallback, then I don't see the point of a DRM specific codepath, it's not going to have any slower having a transform in painting, and will just result in one code path not getting tested.
>
> To mostly answer my own question:
>
> In hwcomposer, it seems we have a transform attribute on the layer.
>
> For nested wayland we can set a transform on our wl_surface.
>
> For FBDev or nested in X, I don't think we can. But probably don't care?
Yep. And that's why I don't want to add a compositor fallback. Doing the fallback looked quite complex when I looked at it due to multi screen.
REPOSITORY
R108 KWin
REVISION DETAIL
https://phabricator.kde.org/D8582
To: graesslin, #kwin, #plasma, subdiff
Cc: davidedmundson, plasma-devel, kwin, bwowk, ZrenBot, progwolff, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart
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