<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> </head> <body> <div id="compose" contenteditable="true" style="padding-left: 16px; padding-right: 16px; padding-bottom: 8px;"> Thanks. </div> <div id="compose" contenteditable="true" style="padding-left: 16px; padding-right: 16px; padding-bottom: 8px;"> Does the renderer have runtime CPU detection or is the specific CPU support determined at compile time? I would like to understand the portability of Mesa to Windows configurations different than the one on which it was built. </div> <div id="compose" contenteditable="true" style="padding-left: 16px; padding-right: 16px; padding-bottom: 8px;"> Any links to such info would be appreciated. </div> <div id="compose" contenteditable="true" style="padding-left: 16px; padding-right: 16px; padding-bottom: 8px;"> Rick</div> <div id="compose" contenteditable="true" style="padding-left: 16px; padding-right: 16px; padding-bottom: 8px;"> </div> <div class="gmail_quote">_____________________________ From: Albert Freeman <<a dir="ltr" href="mailto:albertwdfreeman@gmail.com" x-apple-data-detectors="true" x-apple-data-detectors-type="link" x-apple-data-detectors-result="0">albertwdfreeman@gmail.com</a>> Sent: Saturday, September 17, 2016 1:02 AM Subject: Re: [Mesa-users] Mesa 12.0.0 on Windows question To: Rick Irons <<a dir="ltr" href="mailto:rick.irons@mathworks.com" x-apple-data-detectors="true" x-apple-data-detectors-type="link" x-apple-data-detectors-result="1">rick.irons@mathworks.com</a>> Cc: <<a dir="ltr" href="mailto:mesa-users@lists.freedesktop.org" x-apple-data-detectors="true" x-apple-data-detectors-type="link" x-apple-data-detectors-result="2">mesa-users@lists.freedesktop.org</a>> yes llvm support its required to build llvmpipe which like softpipe only uses the cpu for rendering however has greater performance On 17 September 2016 at 07:45, Rick Irons <<a dir="ltr" href="mailto:Rick.Irons@mathworks.com" x-apple-data-detectors="true" x-apple-data-detectors-type="link" x-apple-data-detectors-result="3">Rick.Irons@mathworks.com</a>> wrote: > Hi, > > > > I have built Mesa 12.0.0 on a Windows 10 machine and I would like to better > understand the rendering support that is being provided. The version, > vendor, and renderer are being identified as the following by opengl32.dll… > > > > Version: 3.0 Mesa 12.0.0 > > Vendor: VMware, Inc. > > Renderer: Gallium 0.4 on softpipe > > > > What exactly does the ‘softpipe’ portion of the renderer info mean? Does it > mean that the OpenGL implementation is purely software based with no > reliance on either GPU or CPU? I suspect this to be the case since display > performance is poor with scenes of simple complexity. > > > > When building the DLL I noticed a warning that LLVM was not available and > would not be used. I am speculating that if I installed LLVM the makefile > configuration tool would detect it and perhaps build a ‘Gallium 0.4 on > llvmpipe’ renderer. Is this the case? Would this renderer leverage either > the CPU or any available GPU? Additionally, if no supported CPU or GPU > hardware was detected, would the renderer know to revert to a purely > software based implementation? > > > > Thanks for any clarifications. > > > > Rick > > > > > > > > > _______________________________________________ > mesa-users mailing list > <a dir="ltr" href="mailto:mesa-users@lists.freedesktop.org" x-apple-data-detectors="true" x-apple-data-detectors-type="link" x-apple-data-detectors-result="7"> mesa-users@lists.freedesktop.org</a> > <a dir="ltr" href="https://lists.freedesktop.org/mailman/listinfo/mesa-users" x-apple-data-detectors="true" x-apple-data-detectors-type="link" x-apple-data-detectors-result="8"> https://lists.freedesktop.org/mailman/listinfo/mesa-users</a> > </div> </body> </html>