[Paraview] [EXTERNAL] Re: OpenGL Vendor

[Scott, W Alan]

Thanks all!  

To add to what Ken said, you can't find the OpenGL library from pvserver.  You need to cd into the lib/paraview-*.* directory, and do an ldd on libvtkRenderingOpenGL2-pv5.4.so.  This tells you where libOSMesa.so is located.


Alan

> -----Original Message-----
> From: Utkarsh Ayachit [mailto:utkarsh.ayachit at kitware.com]
> Sent: Friday, January 26, 2018 10:44 AM
> To: Ken Martin <ken.martin at kitware.com>
> Cc: Scott, W Alan <wascott at sandia.gov>; paraview at paraview.org
> Subject: [EXTERNAL] Re: [Paraview] OpenGL Vendor
> 
> To add to what Ken said, the "Client Information" tab shows you info about
> OpenGL for the "paraview" executable, while the "Connection Information"
> gives you info for the "pvserver", if any.
> 
> On Fri, Jan 26, 2018 at 10:54 AM, Ken Martin <ken.martin at kitware.com>
> wrote:
> > OpenGL is loaded at runtime so what matters is the mostly the system
> > it is running on as opposed to the system it was compiled on (except
> > OSMesa see below).
> >
> > To make it a bit more complicated, if you use GLXforwarding or a
> > similar OpenGL forwarding mechanism then what matters is some
> > combination of the forwarding library on the system PV is running on
> > and the OpenGL hardware of the system you are *displaying* on. This
> > bites people when PV runs fine locally on a system but when they
> > forward their display/remote desktop to another system it fails.
> >
> > Finally when building with OSMesa, as long as the runtime system picks
> > up the OSMesa libs you built, then it really is the version of OSMesa
> > you compiled against that matters.
> >
> > On linux I think a ldd on the PV executable can show which library is
> > being picked up. (should have ogl or opengl, nvidia, mesa etc in the
> > path) but a linux person might know better.
> >
> >
> >
> >
> >
> >
> > On Thu, Jan 25, 2018 at 7:14 PM, Scott, W Alan <wascott at sandia.gov>
> wrote:
> >>
> >> With a remote server running on a cluster, what does the Help/ About/
> >> Connection Information/ OpenGL Version string mean?  Where is this
> found?
> >> Isn’t this the version of OpenGL compiled into the pvserver?  What is
> >> the name of this library, and any idea how I can find what is being used?
> >>
> >>
> >>
> >> I have a situation where my builds show OpenGL version 3.3 (and can
> >> open a specific dataset), and a user’s shows 2.1 (and he cannot open
> >> a specific dataset).
> >>
> >>
> >>
> >> Thanks all,
> >>
> >>
> >>
> >> Alan
> >>
> >>
> >>
> >> --------------------------------------------------------
> >>
> >> W. Alan Scott
> >>
> >> ParaView Support Manager
> >>
> >>
> >>
> >> SAIC
> >>
> >> Sandia National Laboratories, MS 0807
> >>
> >> Org 9326 - Building 880 A1-K
> >>
> >> (505) 284-0932   FAX (505) 284-5619
> >>
> >>
> >>
> >> The most exciting phrase to hear in science
> >>
> >> is not "Eureka!" but "That's funny..."  -- Isaac Asimov
> >>
> >> ---------------------------------------------------------
> >>
> >>
> >>
> >>
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> >
> >
> >
> > --
> > Ken Martin PhD
> > Distinguished Engineer
> > Kitware Inc.
> > 28 Corporate Drive
> > Clifton Park NY 12065
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