Ubuntu
xserver-xorg-video-intel package

  1. Bug #129380
  2. Comment #49

Comment 49 for bug 129380

Revision history for this message
lcampagn (luke-campagnola) wrote : Re: [Bug 129380] Re: It does not refresh well when dragging a window in the rotated screen (Santa Rosa)

Unfortunately, this fix does not work for me. The benchmark times
using x11perf as suggested are not significantly changed with or
without the tiling option, and web browser scrolling is still
noticeably degraded under rotation.

Q

On Thu, Jul 3, 2008 at 1:56 PM, cdivossen <email address hidden> wrote:
> I discovered that the tiling option of the driver mostly solves it for
> me (Intel 945GM). I used "x11perf -scroll10" to measure the performance:
>
> Normal screen orientation:
>> 3000000 reps @ 0.0022 msec (465000.0/sec): Scroll 10x10 pixels
>
> Without the tiling option, in "right" orientation:
>> 800000 reps @ 0.0068 msec (148000.0/sec): Scroll 10x10 pixels
>
> After adding Option "Tiling" "false" to the device section in xorg.conf:
>> 2000000 reps @ 0.0026 msec (387000.0/sec): Scroll 10x10 pixels
>
> Still a bit slower than in normal orientation, but I don't feel the
> difference anymore.
>
> --
> It does not refresh well when dragging a window in the rotated screen (Santa Rosa)
> https://bugs.launchpad.net/bugs/129380
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