[vtkusers] GL_MAX_TEXTURE_SIZE = -858993460 !?

[Tim Hutton]

Ah yes, maxDimGL does have that value when it goes in, so I guess that
call is simply now writing to the variable. I don't see any opengl or
vtk errors prior to that point. How do I retrieve the opengl error
code?


On 28/06/07, David Cole <david.cole at kitware.com> wrote:
> This value is 0xcccccccc which means that it is a local uninitialized
> variable. Perhaps glGetInteger is returning without putting the value in
> there...? Do you see any other errors (OpenGL related perhaps) prior to this
> occurring...?
>
> If you init maxDimGL to 0 before the call does it still happen...?
>
>
>
> On 6/28/07, Tim Hutton <tim.hutton at gmail.com > wrote:
> >
> > I'm getting a bad_alloc exception sometimes when I try to load a
> > textured surface in VTK. The error is due to the following line in
> > vtkopengltexture.cxx (167):
> >
> > glGetIntegerv(GL_MAX_TEXTURE_SIZE,&maxDimGL);
> >
> > which returns a value of -858993460. On other occasions it returns a
> > value of 4096 and everything works fine.
> >
> > Have you come across anything similar before?
> >
> > Platform:
> > vtk5.0.3
> > win xp
> > microsoft visual studio 7
> >
> > Thanks,
> >
> > Tim
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>


-- 
Tim Hutton - http://www.sq3.org.uk

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