87 lines
3.5 KiB
HTML
87 lines
3.5 KiB
HTML
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<li>Problems and Fixes</li>
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<h1 class="title">Problems and Fixes</h1>
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<div class="descr"> <a name="details"></a>
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<p>This is a collection of known problems, and hopfully their fixes.</p>
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<ul>
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<li><a href="http://doc.qt.io/qt-5/qtquick-qmlmodule.html">QtQuick</a> could perform badly or not at all on systems without decent OpenGL driver. This is also true through X11 remote session or Windows remote desktop. For Qt 5.7 and above, the workaround is to use software render.<pre class="cpp">$ <span class="keyword">export</span> QMLSCENE_DEVICE<span class="operator">=</span>softwarecontext</pre>
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<p>For Qt 5.6, this software render plugin has to be installed manually.</p>
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<pre class="cpp">$ git clone https:<span class="comment">//github.com/qt/qtdeclarative-render2d.git</span>
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$ cd qtdeclarative<span class="operator">-</span>render2d
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$ git checkout <span class="number">5.6.0</span>
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$ qmake
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$ <span class="operator">[</span>sudo<span class="operator">]</span> make install</pre>
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</li>
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<div class="footer">Copyright (C) 2012-2021 Xiaoqiang Wang, Paul Scherrer Institute.</div>
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