<div dir="ltr">Is this a debug windows build or a release build? When you change<div>number of spheres, do you see any performance changes (in proportion)? </div><div><br></div><div>When you say slow, how slow it is < 1O FPS? All of these information will be useful. </div>
<div><br></div><div>Also you can try to use APITrace to debug VTK GL calls. </div><div><br></div><div>- Aashish</div><div><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Sun, Apr 27, 2014 at 7:48 AM, Ulrich Kemloh <span dir="ltr"><<a href="mailto:kemlohulrich@gmail.com" target="_blank">kemlohulrich@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div><div><div>Hello everyone,<br><br>I am having some trouble activating GPU support in my VTK Application.<br>
</div><div>I was wondering why my application was so slow although I am using <br> an nvidia quadro 4000 with the latest driver installed.<br>
<br></div></div>The rendering is happening in a qvtkWidget and I am basically just rendering 2000 spheres (using glyphs).<br><br></div><div>_renderingWindows->isDirect() returns false <br>and the tests VTKRenderingOpenGLCxx_tests.exe tells "There is 0 GPU (s)"<br>
</div><div><br></div><div>So I guess I am missing a very important point.<br><br></div><div>Does vtk needs a special flag while building the libraries?<br><br></div><div>I am using the 64bit version of Win7, VTK 6.1 and QT5.2.<br>
</div><div><br></div>I am very looking forward to any help<br><br></div><div>Thanks in advance and regards<span class="HOEnZb"><font color="#888888"><br><br></font></span></div></div><span class="HOEnZb"><font color="#888888">Ulrich<br>
<br></font></span></div>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div dir="ltr"><font face="trebuchet ms, sans-serif"><i>| Aashish Chaudhary <br>| Technical Leader <br>| Kitware Inc. <br></i></font><div>
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