[PATCH xserver] present/wnmd: Preserve window pixmap's screen_x/y on flip

[Keith Packard]

Michel Dänzer <michel at daenzer.net> writes:

> From: Michel Dänzer <michel.daenzer at amd.com>
>
> The incorrect values could result in the new pixmap's contents
> getting corrupted down the line.
>
> Bugzilla: https://bugs.freedesktop.org/106841
> Fixes: 029608dd8020 "present: Add window flip mode"

Ah. Makes sense. Screen flips are always at 0,0...

Reviewed-by: Keith Packard <keithp at keithp.com>

-- 
-keith
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