[Paraview] Save screenshot and Intel graphics: a workaround

[Dominik Szczerba]

I do NOT confirm this error using CVS Paraview 3.3 and an intel gfx card 
on a TP x60 running SUSE 10.3
-- Dominik

Christof König Beatty wrote:
> I'm posting this for a co-worker here:
> 
> 
> Hello everyone,
> 
> 
> As some people have already mentioned it, ParaView (here version 3.2.1,
> but it's also true for previous versions) displays loads of errors when
> you save an image with Intel Graphics cards. This problem seems to be
> related to offscreen rendering (see
> http://public.kitware.com/pipermail/paraview/2006-June/003294.html), and
> it has been settled for Apple, but I don't know why it's not for others
> computers using Intel Graphics as well.
> 
> For Paraview 3.2.1, "Save Screenshot" gives you several:
> 
> X Error: GLXBadContext 154
> Extension: 143 (Uknown extension)
> Minor opcode: 5 (Unknown request)
> Resource id: 0x300b6f1
> 
> while your file is saved but is completely black.
> 
> Here is a little workaround (inspired by
> http://public.kitware.com/pipermail/vtkusers/2006-August/086674.html,
> tested on Ubuntu Gutsy, but clearly there's
> no reason why it shouldn't work for other distributions). You will have
> to compile ParaView from source, so read the documentation on the Wiki:
> 
> 1) Download the sources + uncompress
> 
> 2) Comment lines 1027 and 1046 of the file
> /Servers/ServerManager/vtkSMRenderViewProxy.cxx which look like:
> 
> #if !defined(__APPLE__)
> this->GetRenderWindow()->SetOffScreenRendering(1);
> #endif
> 
> and
> 
> #if !defined(__APPLE__)
> this->GetRenderWindow()->SetOffScreenRendering(0);
> #endif
> 
> 2) Download all the stuff necessary to install ParaView (e.g.: sudo
> apt-get install cmake)
> 
> 3) In order to avoid compiling QT from source, download the different
> libs of QT4.2.3 successively:
> a) http://packages.ubuntu.com/feisty/i386/libqt4-core/download
> b) http://packages.ubuntu.com/feisty/i386/libqt4-gui/download
> c) http://packages.ubuntu.com/feisty/i386/libqt4-sql/download
> d) http://packages.ubuntu.com/feisty/i386/libqt4-qt3support/download
> e) http://packages.ubuntu.com/feisty/i386/libqt4-dev/download
> 
> 4) mkdir ../paraview-bin
> 
> 5) cd ../paraview-bin
> 
> 6) ccmake ../ParaView3.2.1/
> 
> 7) Configure and generate with your options (in my case I haven't
> modified the options, just press c + c + g)
> 
> 8) make [wait... a bit less than one hour on my laptop (centrino
> 1.73GHz, 1Gb RAM)]
> Caution: it will generate about 1.2 GB files and binaries!
> 
> 9) su [pwd] + make install
> 
> 10) Done!
> 
> Note that these steps are identical for previous versions of ParaView,
> just find the file and the two lines to be commented in your version.
> 
> Finally, another trick has been proposed involving the 'ServerLayout'
> section in the /etc/xorg.conf (but I haven't tested it) here:
> http://openfoam.cfd-online.com/forum/messages/1/4438.html
> 
> 
> ' hope it helps! Good luck!
> 
> 
> Olivier Lietaer
> PhD student
> Université catholique de Louvain
> 
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-- 
Dominik Szczerba, Ph.D.
Computer Vision Lab CH-8092 Zurich
http://www.vision.ee.ethz.ch/~domi