Hi Alex,
Does the new View share an existing graphics context, or does it have
a new graphics context?
Robert.
On Mon, Jun 23, 2008 at 11:05 AM, amalric alexandre
<[EMAIL PROTECTED]> wrote:
> The problem is that if I do not add those lines :
>
> osgViewer::CompositeViewer::Windows windows;
> m_rpCompoViewer->getWindows(windows);
> // clear out all the previously assigned operations
> for(osgViewer::CompositeViewer::Windows::iterator citr =
> windows.begin();citr != windows.end();++citr)
> {
> if(!((*citr)->isRealizedImplementation()))
> {
>
> (*citr)->realizeImplementation();
> }
> }
>
> after calling addView (for the second view I add) it crashes in
>
> osg::getGLVersionNumber()
>
> at
>
>
> std::string vs( versionstring );
>
>
>
> because versionstring is NULL
>
> Adding those lines seems to resolve the problem.
> Kind regards,
> 2008/6/23 Robert Osfield <[EMAIL PROTECTED]>:
>>
>> Hi Alex,
>>
>> What we might have to do is extended the addView method so it handles
>> situations like your more seemlessly, i.e. do the realize etc,
>> however, one has to be careful about this as often you'll add views
>> well before you actually want them to realize. Perhaps the best thing
>> would to some kind of dirty mechanism that fires off a realize etc on
>> the next frame. Just to be clear, it's the lack of realize on new
>> windows you've added that is the problem?
>>
>> Robert.
>>
>>
>> On Mon, Jun 23, 2008 at 10:48 AM, amalric alexandre
>> <[EMAIL PROTECTED]> wrote:
>> >
>> > Hi robert,
>> >
>> > My composite viewer is set as :
>> >
>> > m_rpCompoViewer = new osgViewer::CompositeViewer;
>> > m_rpCompoViewer->setThreadingModel(osgViewer::Viewer::SingleThreaded);
>> >
>> > I've found a osg message "[osg-users] Adding Views to a Running
>> > CompositeViewer" wich talks about the same problem as I have.
>> >
>> > I've juste added the code below after calling :
>> > m_rpCompoViewer->addView(rpView.get());
>> >
>> > osgViewer::CompositeViewer::Windows windows;
>> > m_rpCompoViewer->getWindows(windows);
>> > // clear out all the previously assigned operations
>> > for(osgViewer::CompositeViewer::Windows::iterator citr =
>> > windows.begin();citr != windows.end();++citr)
>> > {
>> > if(!((*citr)->isRealizedImplementation()))
>> > {
>> > (*citr)->realizeImplementation();
>> > }
>> > }
>> >
>> > and everything works fine.
>> >
>> >
>> > 2008/6/23 Robert Osfield <[EMAIL PROTECTED]>:
>> >>
>> >> HI Alex,
>> >>
>> >> I can't work out exactly what you mean w.r.t your setup. What
>> >> threading model is the viewer set up as?
>> >>
>> >> W.r.t SingleThreaded not setting the _threadsRunning flag... well, if
>> >> it's single threaded then no extra threads will be running, so the
>> >> code is perfectly correct.
>> >>
>> >> Also if you report a crash, please make sure you provide a stack trace
>> >> as this is essential for others to be able to help look for the cause
>> >> of the problem.
>> >>
>> >> Robert.
>> >>
>> >> On Mon, Jun 23, 2008 at 10:30 AM, amalric alexandre
>> >> <[EMAIL PROTECTED]> wrote:
>> >> > Hi osg-users,
>> >> >
>> >> > I maybe found a bug on CompositeViewer::addView(osgViewer::View*
>> >> > view)
>> >> > in
>> >> > OSG 2.5.2.
>> >> >
>> >> > I have an application wich add and remove views on a compositeViewer
>> >> > embedded in MFC windows. When I try to add a new view it crashes.
>> >> >
>> >> > With debug information I've noticed that in addView function
>> >> > _threadsRunning
>> >> > variable was always false, so that stopThreading is never called.
>> >> >
>> >> > I've searched why _threadsRunning was false and I've found that in
>> >> > ViewerBase::startThreading(), _threadsRunning is never set to true
>> >> > because
>> >> > we return before at line 269 in case we're SingleThreaded, otherwise
>> >> > if
>> >> > we're CullDrawThreadPerContext for example we just break but we don't
>> >> > return. Is it normal ?
>> >> >
>> >> > Kind Regards,
>> >> > _______________________________________________
>> >> > osg-users mailing list
>> >> > osg-users@lists.openscenegraph.org
>> >> >
>> >> >
>> >> > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>> >> >
>> >> >
>> >> _______________________________________________
>> >> osg-users mailing list
>> >> osg-users@lists.openscenegraph.org
>> >>
>> >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>> >
>> > new osgViewer::CompositeViewer;
>> > _______________________________________________
>> > osg-users mailing list
>> > osg-users@lists.openscenegraph.org
>> >
>> > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>> >
>> >
>> _______________________________________________
>> osg-users mailing list
>> osg-users@lists.openscenegraph.org
>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>
>
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