<div dir="ltr">Hi All, <div><br></div><div>Just wanted to let you know that we merged another branch earlier this morning and that should improve volume rendering shading performance by </div><div>upto 300% (results may vary depending on the OS, datatype, and what features are used and enabled). </div><div><br></div><div>If you run into slowness or any other bottleneck, please feel free to contact us. </div><div><br></div><div>Thanks,</div><div>Aashish</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, May 29, 2015 at 5:31 PM, Aashish Chaudhary <span dir="ltr"><<a href="mailto:aashish.chaudhary@kitware.com" target="_blank">aashish.chaudhary@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">Folks, <div><br>We made some recent improvements to VTK volume rendering including fixes to related components. Here is a list of those changes: </div><div><br></div><div>1) Now new GPU Volume Mapper respect Interpolation Type (Linear or Nearest). Default is Nearest as in the last GPU mapper. </div><div><br></div><div>2) Shading is now twice as fast as before. There will be another branch to make it even faster. </div><div><br></div><div>3) Fixed lighting bug (number of lights kept on increasing with change in volume property)</div><div><br></div><div>4) Saving and Restoring GL state properly for textures</div><div><br></div><div>5) Bias and Scale are now performed in Shader. </div><div><br></div><div>6) We changed some GL texture format information to support OpenGL 3 context </div><div><br></div><div>7) Fixed extensions were not reported correctly on GL2 context</div><div><br></div><div>8) Fixed few failing tests specifically on Mesa</div><div><br></div><div>9) Removed VolumeOpenGLNew module as it was not as usable with OpenGL2 getting ready for primetime</div><div><br></div><div>10) Added convenience API to SmartVolume Mapper</div><div><br></div><div>11) Cleaned up logic for dealing with context changes in Volume Mapper</div><div><br></div><div><br></div><div>Please let us know if you have any questions. </div><div><br></div><div>Thanks,</div><span class="HOEnZb"><font color="#888888"><div><br clear="all"><div><br></div>-- <br><div><div dir="ltr"><font face="trebuchet ms, sans-serif"><i>| Aashish Chaudhary <br>| Technical Leader <br>| Kitware Inc. <br></i></font><div><i><font face="trebuchet ms, sans-serif">| </font><a href="http://www.kitware.com/company/team/chaudhary.html" target="_blank">http://www.kitware.com/company/team/chaudhary.html</a></i></div></div></div>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><font face="trebuchet ms, sans-serif"><i>| Aashish Chaudhary <br>| Technical Leader <br>| Kitware Inc. <br></i></font><div><i><font face="trebuchet ms, sans-serif">| </font><a href="http://www.kitware.com/company/team/chaudhary.html" target="_blank">http://www.kitware.com/company/team/chaudhary.html</a></i></div></div></div>
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