[vtkusers] Offscreen rendering

[Kevin H. Hobbs]

On Thu, 2006-04-13 at 09:07 -0500, John Norris wrote:
> Progress!  I can render offscreen, but it still requires a connection to
> an X server.  This is despite the fact that I'm setting
> vtkGraphicsFactory::OffScreenOnlyMode to 1.  Either it's not working as
> advertised (the program still makes X calls), or there's some CMake
> option that I need to set.
> 
> Is there any possible way to render offscreen in Unix without connecting
> to an X server?
> 
> This is with straight OpenGL, no Mesa.  I could never get that to work
> at all.
> 
> John

I'm very interested in what you discover. I've tried for a while to do
this and failed.  I used the system OpenGL only, Mesa only, and system
OpenGL + mangled Mesa, without success.

I know I'm missing something.
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