[Qt-interest] Xorg performance

[Gabriel M. Beddingfield]

On Tue, 1 Jun 2010, Clemens Eisserer wrote:

>> I have *big* problems with intel drivers and qt4. Forms stay unpainted,
>> moving mouse over shows controls (eg QLineEdit, QComboBox etc), same app
>> works ok with nvidia or ati (qt-4.6.2).
>> I've finally found where's problem in my code, but I'm wondering what can
>> cause such problems.
>> When Qt::AA_ImmediateWidgetCreation is setted up, then have problems with
>> intel driver (others like nvidia, ati works ok), removing
>> Qt::AA_ImmediateWidgetCreation fixes problem.
>> Anyone ?
>
> If you're using the latest version of the intel driver (2.11) probaly
> the best thing you can do is to write to the intelgfx mailing list and
> file a bug at the freedesktop.org bug tracker.

FWIW, I was told by someone on the intel graphics irc 
channel that 2.11 uncovered some bugs in libdrm.

With the 2.9 intel driver and 2.4.20 libdrm things work fine 
for me.  Every once in a while a tool-tip will reveal 
garbage before painting the tool-tip.

-gabriel