Re: [osg-users] Slave views
Hi Robert,
El Miércoles 19 Noviembre 2008ES 17:51:44 Robert Osfield escribió:
> Hi Alberto,
>
> On Wed, Nov 19, 2008 at 2:42 PM, Alberto Luaces <[EMAIL PROTECTED]> wrote:
> > Well, at least this crash was triggered by the new StatsHandler not
> > standing with a null SceneData pointer. When applying some scene, the
> > crash disappears.
>
> This is clearly a bug. Which version of the OSG are you using?
I'm using the SVN from two days ago. This program reproduces the problem (it
crashes after the fourth 's' pulsation):
#include
#include
int main()
{
osgViewer::Viewer v;
v.addEventHandler(new osgViewer::StatsHandler());
v.run();
return 0;
}
Regards,
Alberto
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Re: [osg-users] Slave views
Hi Alberto, On Wed, Nov 19, 2008 at 2:42 PM, Alberto Luaces <[EMAIL PROTECTED]> wrote: > Well, at least this crash was triggered by the new StatsHandler not standing > with a null SceneData pointer. When applying some scene, the crash > disappears. This is clearly a bug. Which version of the OSG are you using? Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Slave views
Hi,
El Miércoles 19 Noviembre 2008ES 14:08:14 Robert Osfield escribió:
> HI Alberto,
>
> You would be best to put the viewer.realize() till after all the camera
> setup.
>
> Robert.
Putting viewer.realize() just before viewer.run() makes the slave views not
showing on 2.4 nor SVN. I have to return to StatsHandler and osgWidget code
to see why my code is behaving different...
Regards,
Alberto
> On Wed, Nov 19, 2008 at 12:33 PM, Alberto Luaces <[EMAIL PROTECTED]> wrote:
> > Hello,
> >
> > I'm having some trouble trying to set some slave cameras, acting as HUDs.
> > I have written a small program showing how I'm setting the graph. When
> > running with 2.4.0, none of the slave views are shown. When compiling
> > against SVN, the two are shown, but a crash happens when pressing 's'
> > several times, so I have to be doing something wrong to get such
> > different behaviours with several versions of the library. Currently
> > osgWidget is not an option for me as I'm tied to 2.4.0 for this project.
> > Here is the tiny code:
> >
> > #include
> > #include
> > #include
> >
> > void prepareCamera(osg::Camera *c, osgViewer::Viewer &v)
> > {
> > c->setGraphicsContext(v.getCamera()->getGraphicsContext());
> > c->setProjectionMatrix(osg::Matrix::ortho2D(0,1024,0,768));
> >
> > c->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
> > c->setViewMatrix(osg::Matrix::identity());
> >
> > c->setAllowEventFocus(false);
> >
> > v.addSlave(c, false);
> > }
> >
> > int main()
> > {
> > osg::Camera *c1, *c2;
> >
> > c1 = new osg::Camera;
> > c2 = new osg::Camera;
> >
> > osgViewer::Viewer v;
> > v.addEventHandler(new osgViewer::StatsHandler());
> > v.realize();
> >
> > prepareCamera(c1, v);
> > c1->setViewport(200,100,1024+200,768+100);
> > c1->setClearColor(osg::Vec4(1.0,0.0,0.0,1.0));
> > c1->setRenderOrder(osg::Camera::POST_RENDER);
> >
> > prepareCamera(c2, v);
> > c2->setViewport(0,0,1024,768);
> > c2->setClearColor(osg::Vec4(0.0,1.0,0.0,1.0));
> > c2->setRenderOrder(osg::Camera::POST_RENDER);
> >
> > v.getCamera()->setClearColor(osg::Vec4(0.3,0.3,0.3,0.0));
> > v.getCamera()->setRenderOrder(osg::Camera::PRE_RENDER);
> >
> > v.run();
> >
> > return 0;
> > }
> >
> >
> > Thanks,
> >
> > Alberto
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Re: [osg-users] Slave views
Well, at least this crash was triggered by the new StatsHandler not standing with a null SceneData pointer. When applying some scene, the crash disappears. Regards, Alberto El Miércoles 19 Noviembre 2008ES 14:33:46 Smeenk, R.J.M. (Roland) escribió: > Yes, the crash a known issue. > > As a quick workaround we might add switching to a singlethreaded > threadingmodel automatically in the StatsHandler when activating the > scene statistics. > > -- > Roland > > > > > > > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of David > Spilling > Sent: woensdag 19 november 2008 14:26 > To: OpenSceneGraph Users > Subject: Re: [osg-users] Slave views > > > Alberto, > > > > When compiling against SVN, > the two are shown, but a crash happens when pressing 's' > several times > > > I think (someone correct me if I'm wrong) that this is a "known > issue", and something to do with the thread safety of the stats handler, > and/or NVIDIA drivers. > > If the former is still the case, then running single-threaded > might help. Try searching the archives for "crash" and "stats". > > David > > > This e-mail and its contents are subject to the DISCLAIMER at > http://www.tno.nl/disclaimer/email.html ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Slave views
Yes, the crash a known issue. As a quick workaround we might add switching to a singlethreaded threadingmodel automatically in the StatsHandler when activating the scene statistics. -- Roland From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of David Spilling Sent: woensdag 19 november 2008 14:26 To: OpenSceneGraph Users Subject: Re: [osg-users] Slave views Alberto, When compiling against SVN, the two are shown, but a crash happens when pressing 's' several times I think (someone correct me if I'm wrong) that this is a "known issue", and something to do with the thread safety of the stats handler, and/or NVIDIA drivers. If the former is still the case, then running single-threaded might help. Try searching the archives for "crash" and "stats". David This e-mail and its contents are subject to the DISCLAIMER at http://www.tno.nl/disclaimer/email.html ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Slave views
Alberto, When compiling against SVN, > the two are shown, but a crash happens when pressing 's' several times I think (someone correct me if I'm wrong) that this is a "known issue", and something to do with the thread safety of the stats handler, and/or NVIDIA drivers. If the former is still the case, then running single-threaded might help. Try searching the archives for "crash" and "stats". David ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Slave views
HI Alberto,
You would be best to put the viewer.realize() till after all the camera setup.
Robert.
On Wed, Nov 19, 2008 at 12:33 PM, Alberto Luaces <[EMAIL PROTECTED]> wrote:
> Hello,
>
> I'm having some trouble trying to set some slave cameras, acting as HUDs. I
> have written a small program showing how I'm setting the graph. When running
> with 2.4.0, none of the slave views are shown. When compiling against SVN,
> the two are shown, but a crash happens when pressing 's' several times, so I
> have to be doing something wrong to get such different behaviours with
> several versions of the library. Currently osgWidget is not an option for me
> as I'm tied to 2.4.0 for this project. Here is the tiny code:
>
> #include
> #include
> #include
>
> void prepareCamera(osg::Camera *c, osgViewer::Viewer &v)
> {
> c->setGraphicsContext(v.getCamera()->getGraphicsContext());
> c->setProjectionMatrix(osg::Matrix::ortho2D(0,1024,0,768));
>
> c->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
> c->setViewMatrix(osg::Matrix::identity());
>
> c->setAllowEventFocus(false);
>
> v.addSlave(c, false);
> }
>
> int main()
> {
> osg::Camera *c1, *c2;
>
> c1 = new osg::Camera;
> c2 = new osg::Camera;
>
> osgViewer::Viewer v;
> v.addEventHandler(new osgViewer::StatsHandler());
> v.realize();
>
> prepareCamera(c1, v);
> c1->setViewport(200,100,1024+200,768+100);
> c1->setClearColor(osg::Vec4(1.0,0.0,0.0,1.0));
> c1->setRenderOrder(osg::Camera::POST_RENDER);
>
> prepareCamera(c2, v);
> c2->setViewport(0,0,1024,768);
> c2->setClearColor(osg::Vec4(0.0,1.0,0.0,1.0));
> c2->setRenderOrder(osg::Camera::POST_RENDER);
>
> v.getCamera()->setClearColor(osg::Vec4(0.3,0.3,0.3,0.0));
> v.getCamera()->setRenderOrder(osg::Camera::PRE_RENDER);
>
> v.run();
>
> return 0;
> }
>
>
> Thanks,
>
> Alberto
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[osg-users] Slave views
Hello,
I'm having some trouble trying to set some slave cameras, acting as HUDs. I
have written a small program showing how I'm setting the graph. When running
with 2.4.0, none of the slave views are shown. When compiling against SVN,
the two are shown, but a crash happens when pressing 's' several times, so I
have to be doing something wrong to get such different behaviours with
several versions of the library. Currently osgWidget is not an option for me
as I'm tied to 2.4.0 for this project. Here is the tiny code:
#include
#include
#include
void prepareCamera(osg::Camera *c, osgViewer::Viewer &v)
{
c->setGraphicsContext(v.getCamera()->getGraphicsContext());
c->setProjectionMatrix(osg::Matrix::ortho2D(0,1024,0,768));
c->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
c->setViewMatrix(osg::Matrix::identity());
c->setAllowEventFocus(false);
v.addSlave(c, false);
}
int main()
{
osg::Camera *c1, *c2;
c1 = new osg::Camera;
c2 = new osg::Camera;
osgViewer::Viewer v;
v.addEventHandler(new osgViewer::StatsHandler());
v.realize();
prepareCamera(c1, v);
c1->setViewport(200,100,1024+200,768+100);
c1->setClearColor(osg::Vec4(1.0,0.0,0.0,1.0));
c1->setRenderOrder(osg::Camera::POST_RENDER);
prepareCamera(c2, v);
c2->setViewport(0,0,1024,768);
c2->setClearColor(osg::Vec4(0.0,1.0,0.0,1.0));
c2->setRenderOrder(osg::Camera::POST_RENDER);
v.getCamera()->setClearColor(osg::Vec4(0.3,0.3,0.3,0.0));
v.getCamera()->setRenderOrder(osg::Camera::PRE_RENDER);
v.run();
return 0;
}
Thanks,
Alberto
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