<div dir="ltr">The error is not related to volume rendering rathe the polygon rendering which uses this extension. It looks like you using a much older version of Intel graphics chip? Is that correct? <div><br></div><div>Thanks,</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Mar 4, 2016 at 12:04 PM, Mallikarjun K <span dir="ltr"><<a href="mailto:mallikarjun49@gmail.com" target="_blank">mallikarjun49@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">Hi Chiang,<br>
Thanks for the response.<br>
With the same integrated gpu, vtk 6.1 gpuMapper doesn't complain like this.As vtk 7 is by default using opengl2 backend,I think I have missed something here.I updated my graphics drivers too.Still no luck..<br></p>
<p dir="ltr">With Kind Regards,<br>
Mallikarjun</p>
<div class="gmail_quote">On Mar 4, 2016 9:48 PM, "WangQ" <<a href="mailto:wangq1979@hotmail.com" target="_blank">wangq1979@hotmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr">Hello Mallikarjun,<div><br></div><div>Not sure if it has any connection with vtk version, but I encountered the same issue when an integrated gpu was used. The issue has gone now using a dedicated gpu.</div><div><br></div><div>cheers,</div><div><br></div><div>Chiang<br><br><div><hr>Date: Fri, 4 Mar 2016 17:53:03 +0530<br>From: <a href="mailto:mallikarjun49@gmail.com" target="_blank">mallikarjun49@gmail.com</a><br>To: <a href="mailto:vtkusers@vtk.org" target="_blank">vtkusers@vtk.org</a><br>Subject: [vtkusers] vtkShaderProgram error :extension 'GL_EXT_gpu_Shader4' not supported VTK 7.0.0<div><div class="h5"><br><br><div dir="ltr">Hello all,<div>I am trying to migrate my volume rendering application from vtk 6.1 to vtk 7.0, but I am getting an error like this..</div><div><br></div><div><img src="cid:ii_153418c90d0cd49d" alt="Inline image 1"></div><div>I am using vtkGPUVolumeRaycastMapper.</div><div><br></div><div>My GPU details are:</div><div><br></div><div><div>Renderer: Intel(R) HD Graphics 2000</div><div>Memory: 2108 MB</div><div>Version: 3.1.0 - Build 9.17.10.4229</div><div><br></div></div><div>Any suggestions on this?</div><div>Thanks in advance.</div><div><div><br></div>-- <br><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><b style="font-family:tahoma,sans-serif">With Kind Regards:</b><br style="font-family:tahoma,sans-serif"><span style="font-family:tahoma,sans-serif">Mallikarjun</span></div><div dir="ltr"><font face="tahoma, sans-serif"><br></font><span style="font-family:tahoma,sans-serif"></span><div><br></div></div></div></div></div></div></div>
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