[Paraview] EGL build of ParaView

[Dan Lipsa]

Alexandre,
Can you check

EGL_INCLUDE_DIR
EGL_LIBRARIES

in CMakeCache.txt

and make sure they point to the libraries that come with the NVidia driver.

You will need:
libEGL, libOpenGL and libGLdispatch

On my machine nvidia libraries are inside
/usr/lib32/nvidia-346. (My machine has an older driver that does not
support EGL)

What are whose values?
Thanks,
Dan





On Thu, Feb 11, 2016 at 3:39 AM, Alexandre Ancel <alexandre.ancel at cemosis.fr
> wrote:

> Hello,
>
> I am trying to make the EGL build of ParaView work, but I am encountering
> some issues.
>
> First, here is the configure line I used to build ParaView:
>
> cmake .. \
> -DBUILD_TESTING=OFF -DPARAVIEW_ENABLE_CATALYST=ON -DPARAVIEW_ENABLE_PYTHON=ON \
> -DPARAVIEW_INSTALL_DEVELOPMENT_FILES=ON -DPARAVIEW_USE_MPI=ON \
> -DVTK_RENDERING_BACKEND=OpenGL2 -DVTK_USE_OFFSCREEN_EGL=ON \
> -DVTK_USE_X=OFF -DPARAVIEW_BUILD_QT_GUI=OFF \
> -DEGL_gldispatch_LIBRARY=<path_to_libGLdispatch.so.0> \
> -DEGL_INCLUDE_DIR=<path_to_EGL_includes> \
> -DCMAKE_INSTALL_PREFIX=<install_prefix>
>
> Everything then builds and installs correctly.
>
> But when I start a pvserver (with no X server launched) on the server
> where the data is stored and with a graphic card. I end up having the
> following issue in a ParaView pop-up:
>
> "
>
> OpenGL drivers on the server side don't support
>
> required OpenGL features for basic rendering.
>
> Remote rendering will be disabled.
>
>
> OpenGL Vendor: NVIDIA Corporation
>
> OpenGL Version: 4.5.0 NVIDIA 358.16
>
> OpenGL Renderer: Tesla K80/PCIe/SSE2
> "
>
> And then I tried to use volume rendering, but I end up with this error:
> "
> Some of the representations in this view require remote rendering which,
> however, is not available. Rendering may not work as expected.
> "
> And VR does not work.
>
> I managed to replicate this issue, with both a Nvidia Tesla K80 and GTX
> 470 with the 358.16 driver from NVidia on a Ubuntu 14.04.
>
> However, when I add the "--disable-xdisplay-test" option to the pvserver.
> I don't get the error regarding to OpenGL drivers and I am able to do
> remote rendering on the server side.
>
> I also tried adding the "–egl-device-index=0" instead of
> "--disable-xdisplay-test", but I am getting the OpenGL error.
>
> Is there something I missed in my ParaView build ?
> I guess I should be able to run the pvserver without the
> "--disable-xdisplay-test" option, isn't it ?
>
> Another last question, is the EGL internal rendering resolution available
> for modification or will it fit the current view of ParaView ? (e.g. for
> doing screenshots)
>
>
> Thanks in advance for the answers,
>
> Best regards,
> Alexandre Ancel
>
> --
> Alexandre Ancel
> Docteur, Ingénieur de recherche / Phd, Research Engineer
> Cemosis <http://www.cemosis.fr> - alexandre.ancel at cemosis.fr
> Tel: +33 (0)3 68 8*5 02 06*
> IRMA - 7, rue René Descartes
> 67 000 Strasbourg, France
>
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