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

Utkarsh Ayachit utkarsh.ayachit at kitware.com
Fri Oct 19 10:25:52 EDT 2012


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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