[Paraview] Is there any point to compiling with MPI but without offscreen rendering?

[Pat Marion]

Is it useful to have a pvserver binary that supports both GLX and OSMesa?
Usually an environment that requires pvserver osmesa doesn't have X11
installed, so you wouldn't want a binary with dependencies on X11.

Pat

On Fri, Oct 19, 2012 at 10:25 AM, Utkarsh Ayachit <
utkarsh.ayachit at kitware.com> wrote:

> Interesting. Although I am not sure if the mesa developers simply mean
> that you can build libGL and libOSMesa at the same time (which is
> indeed possible). But worth a try. I will test it out with the latest
> mesa and get back to the list. I am positive this didn't work with the
> 7.* series.
>
> Utkarsh
>
> On Fri, Oct 19, 2012 at 10:20 AM, Kevin H. Hobbs <hobbsk at ohio.edu> wrote:
> > On 10/18/2012 10:49 AM, Utkarsh Ayachit wrote:
> >> So we have onscreen and offscreen rendering and what type of offscreen
> >> rendering is used depends on whether we built with OSMesa. That was
> >> the case for the longest time. Now, with Mesa 7.9, Mesa folks decided
> >> that applications could no longer link against libOSMesa and libGL at
> >> the same time. That means that we can no longer support onscreen and
> >> offscreen with OSMesa in the same build of ParaView
> >> (http://paraview.org/Wiki/ParaView_And_Mesa_3D). Of course, if someone
> >> has ideas on overcoming this issue, I'm all ears.
> >
> >
> > There has been some chatter on the Mesa developers list that sounds like
> > this may be fixed.
> >
> > 1. The mesa build system underwent a _major_ overhaul.
> > 2. building glapi as a shared object sounds like it _might_ overcome the
> > mess that involved hidden/duplicate symbols, needed by both GL and
> OSMesa.
> > 3. Then there's this resolved bug:
> > https://bugs.freedesktop.org/show_bug.cgi?id=6980 that seems to say go
> > ahead "-lGL -lOSMesa"
> >
> > I'll give it a try again.
> >
> >
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