[vtk-developers] vtk performance - issue 1 - OpenGL state

[Randy Heiland]

On May 16,  9:58am, Hank Childs wrote:
> Subject: Re: [vtk-developers] vtk performance - issue 1 - OpenGL state
>
> >
> > This first issue has to do with unnecessary calls to set
> > OpenGL state (please excuse me if this terminology is incorrect,
> > I'm not an OpenGL expert).
>
> Just a data point for everyone out there.  Stanford has a project called
> WireGL (http://www.graphics.stanford.edu/software/wiregl/) that "is an
> active research project .. to explore cluster rendering systems."
> Essentially, you can use the WireGL library instead of OpenGL and it will
> handle issues for rendering to tiled displays.  Its interface is exactly
> the same as OpenGL's.

Well, with the current exception of some gl* routines:

http://graphics.stanford.edu/software/wiregl/bugs.html

But yes, with some minor tweaks to the WireGL pkg, we're using it here for VTK
apps.

--Randy