[Paraview] OpenGL Vendor

[Utkarsh Ayachit]

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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