[Paraview] [Non-DoD Source] Re: 5.0.1/Exodus Reader (UNCLASSIFIED)

[Utkarsh Ayachit]

I am working on updating superbuild today. Just hold on. I'll email
once I have it working.

On Mon, Jun 6, 2016 at 12:00 PM, Hennessey, Joseph G CTR USARMY RDECOM
ARL (US) <joseph.g.hennessey2.ctr at mail.mil> wrote:
> CLASSIFICATION: UNCLASSIFIED
>
> Utkarsh,
>
> I have rebuilt osmesa using mesa 11.2.2 but
> it ParaView rebuilt with the new version is giving
> me the same error as before, complaining that the
> GL version 2.1 with gpu_shader4 extension is not
> Supported.
>
> I think I know  why  this is occurring and I wondered if you
> could confirm this for me.
>
> I configured mesa with these parameters
>
> ./configure \
>     --disable-xvmc \
>     --disable-glx \
>     --disable-dri \
>     --with-dri-drivers= \
>     --with-gallium-drivers=swrast \
>     --enable-texture-float \
>     --disable-egl \
>     --with-egl-platforms= \
>     --enable-gallium-osmesa \
>     --enable-gallium-llvm=yes \
>     --prefix=<install prefix>
>
> but, I did not have a version of llvm available
> and the configure script then set
>
> Llvm = no
>
> From my reading of this webpage
>
> http://www.paraview.org/Wiki/ParaView/ParaView_And_Mesa_3D
>
> It seems that without gallium-llvm,
> the version of OpenGL built reverts to an older version,
> which I believe is why I am still getting the error.
>
> Would you agree with this?
>
> Thanks,
>
> Joe
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Joseph G. Hennessey Ph.D., Lockheed Martin
> Army Research Lab
> DOD Supercomputing Resource Center
>
>
> -----Original Message-----
> From: Utkarsh Ayachit [mailto:utkarsh.ayachit at kitware.com]
> Sent: Thursday, June 02, 2016 4:19 PM
> To: Hennessey, Joseph G CTR USARMY RDECOM ARL (US)
> <joseph.g.hennessey2.ctr at mail.mil>
> Cc: Angelini, Richard C (Rick) CIV USARMY RDECOM ARL (US)
> <richard.c.angelini.civ at mail.mil>; Su, Simon M CIV USARMY RDECOM ARL (US)
> <simon.m.su.civ at mail.mil>; ParaView <paraview at paraview.org>
> Subject: Re: [Paraview] [Non-DoD Source] Re: 5.0.1/Exodus Reader
> (UNCLASSIFIED)
>
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>
> ----
>
>> And I have tried replacing the library
>> lib/paraview-5.0/libOSMesa.so.7
>> with both libOSMesa.so from 11.1.2 and 11.2.2 and they are both still
>> giving the same error
>
> Simply swapping the libraries won't work. Mesa 11.2 [1] added new API
> OSMesaCreateContextAttribs() which is needed to create correct OpenGL context.
> The API is used at compile time if appropriate osmesa.h is being used.
>
> You can try to update Projects/unix/osmesa.cmake in the superbuild source to
> use the configure arguments you used, and also change versions.cmake in the
> same repo to point to change the osmesa source tar ball to be 11.2. Now the
> superbuid will build 11.2 instead and it should then have the new API
> available.
>
> [1] Caution-http://www.mesa3d.org/relnotes/11.2.0.html
>
>
> CLASSIFICATION: UNCLASSIFIED