<div dir="ltr"><div>VTK uses OpenGL and Mesa is an OpenGL implementation. Building VTK is OpenGL agnostic and it can switch between mesa and native drivers by changing library paths, moving dlls, etc.</div><div><br></div>This page has information on building mesa for various use cases although generally you can find prebuilt packages/binaries on the web.<div><br></div><div><a href="https://blog.kitware.com/messing-with-mesa-for-paraview-5-0vtk-7-0/">https://blog.kitware.com/messing-with-mesa-for-paraview-5-0vtk-7-0/</a><br></div><div><br></div><div>Hope that helps</div><div>Ken</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jun 12, 2018 at 12:11 PM, Slaughter, Andrew E <span dir="ltr"><<a href="mailto:andrew.slaughter@inl.gov" target="_blank">andrew.slaughter@inl.gov</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">Thanks for the testing information, you mention that "We test nightly on OSX, Window, and Linux with both Mesa and native drivers from Intel, Nvidia, and AMD". I am interested in setting up VTK to use Mesa, are the instructions for building VTK to use Mesa?<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jun 12, 2018 at 7:43 AM, Ken Martin <span dir="ltr"><<a href="mailto:ken.martin@kitware.com" target="_blank">ken.martin@kitware.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">To drive the testing take a look at testing with ctest<div><br></div><div>To do image comparisons look at vtkRegressionTestImage.h and vtkTesting.h We typically invoke testing as</div><div><br></div><div><div> int retVal = vtkRegressionTestImage( renWin );</div></div><div><br></div><div>The typical approach uses argc and argv to extract the location of a valid image file to use as a comparison. Those two headers have some example code in them. We test nightly on OSX, Window, and Linux with both Mesa and native drivers from Intel, Nvidia, and AMD.</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="m_2325244808407538876h5">On Tue, Jun 12, 2018 at 9:28 AM, Slaughter, Andrew E <span dir="ltr"><<a href="mailto:andrew.slaughter@inl.gov" target="_blank">andrew.slaughter@inl.gov</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="m_2325244808407538876h5"><div dir="ltr"><div><div><div><div>I am working on a VTK based GUI and would like to test the rendered results across platforms (Linux and MacOS). Based on various sources of documentation, most of which seem to be quite old (<a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.vtk.org_Wiki_VTK_OpenGL&d=DwMFaQ&c=54IZrppPQZKX9mLzcGdPfFD1hxrcB__aEkJFOKJFd00&r=h7heP8xwI1i_HikChvhFbEBurKirgfOCdwgBxB9lM8c&m=ypxkVNBM_RLHR49knStOGS6wjz0LwknTxj1AkqJE2kM&s=J3G3b6Vf-0xU11ia1dCy7LumE6BeiIzFD6sPThphqCQ&e=" target="_blank">https://www.vtk.org/Wiki/VTK/<wbr>OpenGL</a>), this should be possible with Mesa and software rendering. <br><br></div>Could someone please point me to an example and/or current documentation for doing this sort of work.<br><br></div>Thanks,<br></div>Andrew<br></div></div>
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<br></blockquote></div><span class="m_2325244808407538876HOEnZb"><font color="#888888"><br><br clear="all"><span class="HOEnZb"><font color="#888888"><div><br></div>-- <br><div class="m_2325244808407538876m_-1431328255326274295gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Ken Martin PhD<div>Distinguished Engineer<br><span style="font-size:12.8px">Kitware Inc.</span><br></div><div><a href="https://maps.google.com/?q=101+East+Weaver+Street+Carrboro,+North+Carolina+%0D%0A27510+USA&entry=gmail&source=g" target="_blank">101 East Weaver Street</a><br><a href="https://maps.google.com/?q=101+East+Weaver+Street+Carrboro,+North+Carolina+%0D%0A27510+USA&entry=gmail&source=g" target="_blank">Carrboro, North Carolina</a><br>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Ken Martin PhD<div>Distinguished Engineer<br><span style="font-size:12.8px">Kitware Inc.</span><br></div><div>101 East Weaver Street<br>Carrboro, North Carolina<br>
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