<div dir="ltr">I have a OpenGL2 document I try to keep up to date here<div><br></div><div><a href="https://docs.google.com/document/d/1ojY_20mQbRyCfmgxe-LuPKi82x3XwPlU_KfFLeJoBvo/edit#heading=h.a92mikls63mw">https://docs.google.com/document/d/1ojY_20mQbRyCfmgxe-LuPKi82x3XwPlU_KfFLeJoBvo/edit#heading=h.a92mikls63mw</a></div><div><br></div><div>I could probably be expanded some. The section on compatibility is currently as follows:<div><br></div><div><br></div><div><span id="docs-internal-guid-0a663ea7-bce9-a41c-4a4a-0c2299eb29cb"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:Arial;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap;background-color:transparent">The new OpenGL2 backend typically requires OpenGL 3.2. Most hardware from 2010 or later should support OpenGL 3.2. For Linux systems that lack hardware support for OpenGL3.2, Mesa version 10.5.5 and later has been shown to work with VTK. OS Mesa requires version 11.2.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:Arial;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap;background-color:transparent">Apple Mac Pro with AMD Graphics Chips - there is/was a bug in some ATI drivers that causes picking and cell coloring to fail as of March 19th 2015. We have coded a workaround for the bug but it does impact performance significantly on Apple systems with AMD hardware. We have worked with Apple to fix the bug in El Capitan for most AMD cards they use.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:Arial;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap;background-color:transparent">Windows remote desktop only supports OpenGL version 1.4, the new backend will not work with this. Other options like VNC and nomachine should work.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:Arial;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap;background-color:transparent">Windows computers that DO NOT have an NVidia or AMD GPU will rely on their Intel GPU if present. Desktop and laptop Intel CPUs from IvyBridge (early 2012) or later should be fine as long as your drivers are up to date. Most Intel Xeon CPUs lack a GPU and some workstation CPUs (6 cores or more) do as well. In those cases you would need a dedicated GPU.</span></p><div><span style="font-size:14.6667px;font-family:Arial;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap;background-color:transparent"><br></span></div></span></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Aug 24, 2016 at 9:36 AM, Schlottke-Lakemper, Michael <span dir="ltr"><<a href="mailto:m.schlottke-lakemper@aia.rwth-aachen.de" target="_blank">m.schlottke-lakemper@aia.rwth-aachen.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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Hi Utkarsh,
<div><br>
</div>
<div>Especially with the first change (rendering backend upgraded to OpenGL2) I suspect that some users might have builds fail because of missing dependencies on older systems (at least I expect it for some of our systems). Is there somewhere a list
of library prerequisites that will change with this switch? I only know of <a href="http://www.paraview.org/Wiki/ParaView:Build_And_Install" target="_blank">http://www.paraview.org/<wbr>Wiki/ParaView:Build_And_<wbr>Install</a> and there no OpenGL dependencies are listed explicitly.</div>
<div><br>
</div>
<div>Regards,</div>
<div><br>
</div>
<div>Michael</div>
<div><br>
</div>
<div><br>
<div>
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--<br>
Michael Schlottke-Lakemper<br>
<br>
Institute of Aerodynamics and Chair of Fluid Mechanics<br>
RWTH Aachen University<br>
Wüllnerstraße 5a<br>
52062 Aachen<br>
Germany<br>
<br>
Phone: <a href="tel:%2B49%20%28241%29%2080%2095188" value="+492418095188" target="_blank">+49 (241) 80 95188</a><br>
Fax: <a href="tel:%2B49%20%28241%29%2080%2092257" value="+492418092257" target="_blank">+49 (241) 80 92257</a><br>
Mail: <a href="mailto:m.schlottke-lakemper@aia.rwth-aachen.de" target="_blank">m.schlottke-lakemper@aia.rwth-<wbr>aachen.de</a><br>
Web: <a href="http://www.aia.rwth-aachen.de" target="_blank">http://www.aia.rwth-aachen.de</a></div>
</span></div>
</span></div>
</div>
</div>
<br>
<div>
<blockquote type="cite">
<div>On 24 Aug 2016, at 15:09 , Utkarsh Ayachit <<a href="mailto:utkarsh.ayachit@kitware.com" target="_blank">utkarsh.ayachit@kitware.com</a>> wrote:</div>
<br>
<div>Folks,<br>
<br>
I wanted to propose changing the defaults for the following CMake<br>
variables in ParaView:<br>
<br>
VTK_RENDERING_BACKEND = OpenGL2 (currently OpenGL1)<br>
VTK_ENABLE_KITS = ON (currently OFF)<br>
<br>
The former will use the new rendering backend. The latter will build<br>
fewer libraries since multiple VTK modules gets built as a single kit<br>
library.<br>
<br>
Thoughts? Any other suggestions?<br>
<br>
Utkarsh<br>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature">Ken Martin PhD<div>Chairman & CFO<br>Kitware Inc.<br>28 Corporate Drive<br>Clifton Park NY 12065<br>518 371 3971<div><br></div><div><span style="font-size:10pt;font-family:Tahoma,sans-serif">This communication,
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