Hi Robert,
we have discussed about my textile simulation application several times and
thanks to the great help of the list I managed to reduce Memory usage to an
acceptable limit.
The regular usage of the application is to "open" textile articles (i.e. like
word documents) and show the 3D simulation while doing alterations. There are
plenty of changes in vertex arrays.
For each article a new Qt-window (AdapterWidget) is created and destroyed when
closing the article.
We did not have any problem with that until we used:
geometry->setUseDisplayList( false );
geometry->setUseVertexBufferObjects(true);
Now on some machines the program crashes when closing articles (viewer
windows) and opening new articles (new viewer windows).
On other systems I experianced a strange behaviour: After closing the program
I sometimes have to start it again 2 times before it really runs. The first
time it just terminates without any message. It doesn't happen in debug mode.
The crashes don't happen any more after commenting out the above 2 lines of
code.
Sorry for the long explanation but I couldn't break down the problem and give
you a more detailed analysis.
- Werner -
Am Dienstag, 14. Dezember 2010, 12:38:08 schrieb Robert Osfield:
> Hi Werner,
>
> On Tue, Dec 14, 2010 at 11:23 AM, Werner Modenbach
>
> <[email protected]> wrote:
> > could you please give a short message here when the patch is ready?
> > We had to switch VBOs off due to serious stability problems. It would be
> > cool to have a backport to version 2.8.3 (or at least some hint how to
> > backport it ourselves).
>
> Could explain the circumstances of the stability issues, and if
> possible provide an example that reproduces the stability problems
> you've seen?
>
> Also have you tried svn/trunk? There have been various fixes already
> so svn/trunk might already help address some of the problems.
>
> Robert.
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