This patch fixes the remote-rendering issue in the new peeling
implementation:

https://gitlab.kitware.com/vtk/vtk/merge_requests/1589

Cheers,
Dave

On Mon, Jun 27, 2016 at 6:06 AM, Paluszek, Lukasz <
lukasz.palus...@airbus.com> wrote:

> Switching to the old peeling implementation did the trick, no more issues
> and yes I am using remote rendering via pvserver.
>
>
>
> [image: Beschreibung: Beschreibung: Description :
> cid:image001.png@01CF0B8F.DB7831F0]
>
> *Łukasz Paluszek*
>
> Airbus Helicopters
>
> Aerodynamics Department (ETGA)
>
> 86607 Donauwörth
>
> Germany
>
> Tel.: +49 (90) 671 8231
>
> Fax.: +49 (90) 671 9122
>
> lukasz.palus...@airbus.com
>
>
>
> *From:* David Lonie [mailto:david.lo...@kitware.com]
> *Sent:* 24 June 2016 21:22
> *To:* Paluszek, Lukasz
> *Cc:* paraview@paraview.org
> *Subject:* Re: [Paraview] Opacity Issues
>
>
>
> On Fri, Jun 24, 2016 at 2:15 PM, David Lonie <david.lo...@kitware.com>
> wrote:
>
> On Fri, Jun 24, 2016 at 1:10 PM, Paluszek, Lukasz <
> lukasz.palus...@airbus.com> wrote:
>
> It doesn’t happen all the time, I suppose you need a fairly large surface
> dataset. I managed to reproduce the problem on a wavelet source (attached
> state file), try increasing the number of elements if you do not see any
> artifacts. I have bult Paraview from source on OpenSuse 13.1 but also
> cross-checked with the Linux binaries from Paraview.org and had same
> issues. There was no problem with the osmesa-llvm flavor though.
>
>
>
> I couldn't reproduce this here on arch linux with a newer nVidia driver
> (367.27), so I'm suspicious that this is a driver bug that's affecting the
> new depth peeling implementation.
>
>
>
> Since you're building from source, can you try editing
> VTK/Rendering/OpenGL2/vtkOpenGLRenderer.cxx, and change line 322
>
>
>
> if (dualDepthPeelingSupported)
>
>
>
> to
>
>
>
> if (false)
>
>
>
> in *DeviceRenderTranslucentPolygonalGeometry*, recompile using the
> OpenGL2 backend, and let me know if the issue goes away? I suspect it will
> since both the OpenGL1 backend and OpenGL2 mesa/llvm do not use the new
> code.
>
>
>
> I'll put together a patch to force the older peeling implementation via an
> environment variable to make the work-around easier to apply.
>
>
>
> Patch is here: https://gitlab.kitware.com/vtk/vtk/merge_requests/1589
>
>
>
> By the way, are you running paraview with remote rendering via pvserver? I
> was just made aware of a similar issue with remote rendering and depth
> peeling.
>
>
>
> Dave
>
> AIRBUS HELICOPTERS DEUTSCHLAND GmbH
>
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>
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>
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>
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