[Paraview] Rendering Backend OpenGL2 & PV 5.2.0-RC4 & SurfaceLic --> Problem...

[Andy Smith]

Stefan,

I am testing out 5.2.0 with offscreen rendering and have observed similar
results.  My version built with OpenGL2 is slightly faster than the OpenGL
version for non surface LIC operations, but massively slower when using
Surface LIC.

Comparing back to version 4.4.0, version 5.2.0 with OpenGL2 is faster for
non-Surface LIC operations but much slower for surface LIC.  In fact when
using Surface LIC, version 4.4.0 is faster then 5.2.0 with OpenGL.

My test case involves creating a slice in an unstructured dataset and
sweeping this slice in one direction taking multiple snapshots.

Hopefully someone more knowledgeable on this subject than me has some ideas
on the problem and how to address it.

-Andy

On Tue, Nov 15, 2016 at 5:35 AM, Stefan Melber <Stefan.Melber at dlr.de> wrote:

> Hi,
>
>
> i have a problem which is there in all RCs (1-4) of current ParaView: if i
> compile the RenderingBackend to "OpenGL2" and use SurfaceLic the
> visualization time goes up from a few seconds (with "OpenGL") to many
> minutes and the memory consumption from a few GByte to approx 100 GByte.
> Switching back to OpenGL any thing is fine. Without SurfaceLIC the OpenGL2
> works although fine for me.
>
> Has any one tested OpenGL2 with SurfaceLIC-Plugin the last time and has
> (the same)  problems?
>
> o Kernel 4.7.6-1 / x86-64
> o Quadro 4000
> o NVidia driver v367.57
> o PV 5.2.0 RC1 - RC4
>
> Best regards,
>
>        Stefan
>
>
>
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