<div dir="ltr"><div class="gmail_quote"><div dir="ltr">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?<div><br></div><div>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 delivery.<div><div class="h5"><br><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Aug 30, 2017 at 4:10 AM, Michel Dänzer <span dir="ltr"><<a href="mailto:michel@daenzer.net" target="_blank">michel@daenzer.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span>On 30/08/17 12:24 AM, Roman Gilg wrote:<br>
> This patch enables Pixmap flips for child windows via Wayland<br>
> sub-surfaces.<br>
<br>
</span>That can't be done so easily for the reasons I've explained before<br>
(basically, non-Present requests would need to "see" the subsurface<br>
contents as well), so I'm afraid I have to NAK this patch in this form.<br>
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--<br>
Earthling Michel Dänzer | <a href="http://www.amd.com" rel="noreferrer" target="_blank">http://www.amd.com</a><br>
Libre software enthusiast | Mesa and X developer<br>
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