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https://bugs.freedesktop.org/show_bug.cgi?id=2965
Summary: xrandr: RRScreenChangeNotify event has incorrect
geometry after rotation
Product: xorg
Version: 6.8.2
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Server/general
AssignedTo: xorg-bugzilla-noise at freedesktop.org
ReportedBy: l.lunak at suse.cz
I can reproduce this problem only with the 'nvidia' driver version 7167. Xrandr
rotation doesn't seem to work here with the 'nv' driver and in fact I haven't been able
to find any other case when rotation would work except for the nvidia driver. If the
problem is specific to the driver, then please close and I'll report to nvidia.
As demonstrated by the attached testcase, the width and height fields of the
XRRScreenChangeNotifyEvent structure don't reflect rotation. If I run it and then
rotate the screen, the reported width and height always match the unrotated
geometry.
[normal rotation]
kde2 at magic:~> /tmp/a.out
[ xrandr -o left in another konsole]
SIZE1: 1280 960
EVENT: 1280 960
SIZE2: 1280 960
[ xrandr -o normal ]
SIZE1: 1280 960
EVENT: 1280 960
SIZE2: 1280 960
[ xrandr -o left before ]
kde2 at magic:~> /tmp/a.out
[ xrandr -o normal ]
SIZE1: 960 1280
EVENT: 1280 960
SIZE2: 1280 960
In the second case XDisplayWidth()/XDisplayHeight() even initially have proper
values, but after any rotation they're always set to match unrotated geometry.
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