[osg-users] GL compile context problems

Adrian Egli 3dhelp at gmail.com
Tue Oct 2 23:39:39 PDT 2007


C:\Dokumente und Einstellungen\adegli>osgviewer --cc test.ive
PixelBufferWin32::makeCurrentImplementation(), failed

same behaviour, ATI graphic card

2007/10/2, Glenn Waldron <gwaldron at gmail.com>:
>
> Thanks Robert, I will see what I can discover.
>
> The Windows error resulting from wglMakeCurrent is "The requested resource
> is in use" (according to GetLastError). I will keep digging on this one..
> -gw
>
> On 10/2/07, Robert Osfield <robert.osfield at gmail.com> wrote:
> >
> > Hi Glenn,
> >
> > I have only personally testing compile contexts under Linux and
> > haven't seen any error like your describe.  I've just done check
> > against a paged database using --cc with osgviewer and things are
> > working as they should.
> >
> > Problems you are seeing code by a threading bug in the implementation
> > that the linux build isn't sensitive too, or it could be a bug in the
> > pixel buffer implementation, or it could simply be a bug in the OpenGL
> > driver.  Which?   I can't say, I'm afraid this is something windows
> > developers will have to debug.
> >
> > Robert.
> >
> > On 10/2/07, Glenn Waldron <gwaldron at gmail.com > wrote:
> > > Hi,
> > > I'm eager to try out the GL compile context (--cc), but I'm getting
> > odd
> > > results. If I run:
> > >
> > >   osgviewerd --cc out.ive
> > >
> > > Sometimes I get this error, after which the globe displays with no
> > textures:
> > >
> > >   PixelBufferWin32::makeCurrentImplementation(), failed
> > >
> > > Sometimes I get this error:
> > >
> > >   Warning:: Mipmapped osg::Image not a power of two, cannot apply to
> > > texture.
> > >   Received a request to compress an image, but image size is not a
> > multiple
> > > of four (-842150451x-842150451). Reverting to uncompressed.
> > >
> > > And sometimes it works and the globe appears OK.
> > >
> > > Note that results are the same with the --SingleThreaded option. This
> > is
> > > under OSG SVN (10/2), Win XP, NVIDIA 7800GT, Athlon X2. I have the
> > same
> > > error on another machine, an Intel dual core laptop running XP with a
> > > 7950GTX.
> > > Any ideas of what to look for? -gw
> > >
> > > --
> > > Glenn Waldron : Pelican Mapping : http://pelicanmapping.com :
> > 703-652-4791
> > > _______________________________________________
> > > osg-users mailing list
> > > osg-users at lists.openscenegraph.org
> > >
> > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
> > >
> > >
> > _______________________________________________
> > osg-users mailing list
> > osg-users at lists.openscenegraph.org
> >
> > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
> >
>
>
>
> --
> Glenn Waldron : Pelican Mapping : http://pelicanmapping.com : 703-652-4791
>
>
> _______________________________________________
> osg-users mailing list
> osg-users at lists.openscenegraph.org
> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>
>


-- 
********************************************
Adrian Egli
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openscenegraph.org/pipermail/osg-users-openscenegraph.org/attachments/20071003/c59c6150/attachment-0003.htm>


More information about the osg-users mailing list