<div dir="ltr"><br><div class="gmail_extra"><div class="gmail_quote">On Thu, Nov 14, 2013 at 9:28 AM, Doug Hoppes <span dir="ltr"><<a href="mailto:dhoppes@mbfbioscience.com" target="_blank">dhoppes@mbfbioscience.com</a>></span> wrote:<br>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Hi… This is Doug. Just wanted to chime in on this.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">We have the same issue and we’re doing volume rendering. </span></p></div></div></blockquote><div>
<br></div><div>Yes, I expected that to happen. In fact for the newer drivers, it will happen for both geometry rendering and volume rendering. I think the fundamental problem is this: </div><div><br></div><div>We look for the GL version and then assume certain things such as multi texture is supported or not. My quick thought on this was that we need to be looking for the </div>
<div>extensions directly and not the GL versions since GL versions could be mis-leading. We will see if we can push a fix for this sometime soon. </div><div><br></div><div>Can you tell us about your driver version and the card?</div>
<div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">We also seem to have a number of other issues with the NVidia graphics card (out of memory, lines
on the image, etc).</span></p></div></div></blockquote><div><br></div><div>That sounds like a volume rendering issue. Create a new thread for this please. </div><div><br></div><div>- Aashish </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Doug<u></u><u></u></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:vtkusers-bounces@vtk.org" target="_blank">vtkusers-bounces@vtk.org</a> [mailto:<a href="mailto:vtkusers-bounces@vtk.org" target="_blank">vtkusers-bounces@vtk.org</a>]
<b>On Behalf Of </b>Aashish Chaudhary<br>
<b>Sent:</b> Thursday, November 14, 2013 9:26 AM<br>
<b>To:</b> Maarten Beek<br>
<b>Cc:</b> vtkusers; yas ---<br>
<b>Subject:</b> Re: [vtkusers] how to fix this problem:Extension GL_VERSION_1_2 could not be loaded<u></u><u></u></span></p><div><div class="h5">
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<p class="MsoNormal">Also,<u></u><u></u></p>
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<p class="MsoNormal">I need to know if your application is doing volume rendering or geometry rendering. The problem is that the code for checking extensions is not updated and not quite right either. <u></u><u></u></p>
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<p class="MsoNormal">- Aashish<u></u><u></u></p>
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<p class="MsoNormal">On Thu, Nov 14, 2013 at 9:20 AM, Aashish Chaudhary <<a href="mailto:aashish.chaudhary@kitware.com" target="_blank">aashish.chaudhary@kitware.com</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal">On Thu, Nov 14, 2013 at 9:08 AM, Maarten Beek <<a href="mailto:beekmaarten@yahoo.com" target="_blank">beekmaarten@yahoo.com</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica","sans-serif"">Same problem here.<br>
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VTK 6.0.0<br>
Nividia GeForce GT 630 (with newest driver (version 331.65, released 7/Nov/13) supposedly supporting OpenGL 4.4).<u></u><u></u></span></p>
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<p class="MsoNormal">I see. Ok, I think I know where its coming from. <u></u><u></u></p>
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<p class="MsoNormal">Quick question: How it affects your program? Is it just the message or or a real problem for you? <u></u><u></u></p>
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<p class="MsoNormal"><span style="color:#888888">- Aashish<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Arial","sans-serif"">On Tuesday, November 5, 2013 6:17:23 PM, Aashish Chaudhary <<a href="mailto:aashish.chaudhary@kitware.com" target="_blank">aashish.chaudhary@kitware.com</a>> wrote:</span><span style="font-family:"Helvetica","sans-serif""><u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica","sans-serif"">Its better to provide complete information. What are you trying to accomplish in the code? What is your hardware / software (VTK version) <u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica","sans-serif"">Thanks,<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica","sans-serif"">On Tue, Nov 5, 2013 at 5:46 PM, yas --- <<a href="mailto:yas2349@gmail.com" target="_blank">yas2349@gmail.com</a>> wrote:<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Helvetica","sans-serif"">Hello<br>
When I run my code ,this error is happen!!<br>
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" Error In D:\VTK\Rendering\vtkOpenGLExtensionManager.cxx, line 393<br>
vtkOpenGLExtensionManager (042B72A0): Extension GL_VERSION_1_2 could<br>
not be loaded<br>
"<br>
How to fix this problem?<br>
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Thanks a lot!!<br>
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<p class="MsoNormal"><span style="font-family:"Helvetica","sans-serif"">-- <br>
| Aashish Chaudhary <br>
| R&D Engineer <br>
| Kitware Inc. <br>
| <a href="http://www.kitware.com/" target="_blank">www.kitware.com</a> <u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica","sans-serif"">_______________________________________________<br>
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<p class="MsoNormal">-- <br>
| Aashish Chaudhary <br>
| R&D Engineer <br>
| Kitware Inc. <br>
| <a href="http://www.kitware.com" target="_blank">www.kitware.com</a> <u></u><u></u></p>
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<p class="MsoNormal">-- <br>
| Aashish Chaudhary <br>
| R&D Engineer <br>
| Kitware Inc. <br>
| <a href="http://www.kitware.com" target="_blank">www.kitware.com</a> <u></u><u></u></p>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br>| Aashish Chaudhary <br>| R&D Engineer <br>| Kitware Inc. <br>| <a href="http://www.kitware.com">www.kitware.com</a>
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