Fwd: [PATCH 5/5] xwayland: Pixmap flips of child windows on sub-surfaces

Roman Gilg subdiff at gmail.com
Wed Aug 30 09:11:30 UTC 2017

Sorry, apparently I didn't understand your explanation the last time. Can
you explain why non-Present requests need to see the sub-surface contents?
And how they see the contents of normal Wayland surfaces?

I don't see much of a difference in here. Both objects are black boxes in
terms of X and the only interfaces are input events and buffer content

On Wed, Aug 30, 2017 at 4:10 AM, Michel Dänzer <michel at daenzer.net> wrote:

> On 30/08/17 12:24 AM, Roman Gilg wrote:
> > This patch enables Pixmap flips for child windows via Wayland
> > sub-surfaces.
> That can't be done so easily for the reasons I've explained before
> (basically, non-Present requests would need to "see" the subsurface
> contents as well), so I'm afraid I have to NAK this patch in this form.
> --
> Earthling Michel Dänzer               |               http://www.amd.com
> Libre software enthusiast             |             Mesa and X developer
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