<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style></style></head><body lang=DE link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Hi Dave,<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:EN-US'>don’t know why the current softpipe/swrast implementation shouldn’t be </span><span lang=EN-US>conformant</span><span lang=EN-US style='mso-fareast-language:EN-US'>.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:EN-US'>If that helps, here are the original patches which might give you a quick overview of what was required to get it working in softpipe and swrast back then (of course, the code is different now due to other changes)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:EN-US'><a href="https://gitlab.freedesktop.org/mesa/mesa/-/commit/f4537f99cc83cb8133f66dc97c613e95dc0fe162">https://gitlab.freedesktop.org/mesa/mesa/-/commit/f4537f99cc83cb8133f66dc97c613e95dc0fe162</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:EN-US'><a href="https://gitlab.freedesktop.org/mesa/mesa/-/commit/8a98aabe0bcea42cfdc982001ae4876e3d9b1214">https://gitlab.freedesktop.org/mesa/mesa/-/commit/8a98aabe0bcea42cfdc982001ae4876e3d9b1214</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:EN-US'>Andreas<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b>Von:</b> Dave Airlie <airlied@gmail.com> <br><b>Gesendet:</b> Donnerstag, 7. Januar 2021 09:37<br><b>An:</b> Andreas Fänger <a.faenger@e-sign.com><br><b>Cc:</b> mesa-dev <mesa-dev@lists.freedesktop.org>; mesa-users@lists.freedesktop.org<br><b>Betreff:</b> Re: [Mesa-dev] Fwd: [Mesa-users] Issues with removal of classic OSMesa<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><div><p class=MsoNormal>On Thu, 7 Jan 2021, 17:31 Andreas Fänger, <<a href="mailto:a.faenger@e-sign.com">a.faenger@e-sign.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi Dave,<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>sounds good. Is there a particular reason not to port the softpipe anisotropic filter implementation (or from swrast, they are almost identical)? Wouldn’t that be easier to implement as it is based on the gallium infrastructure already?</span><o:p></o:p></p></div></div></blockquote></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I hadn't really looked at mesa I had thought the aniso impl weren't conformant, I'll look again next week when I get back to work.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Dave.<o:p></o:p></p></div><div><div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Andreas</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><o:p></o:p></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b>Von:</b> mesa-dev <<a href="mailto:mesa-dev-bounces@lists.freedesktop.org" target="_blank">mesa-dev-bounces@lists.freedesktop.org</a>> <b>Im Auftrag von </b>Dave Airlie<br><b>Gesendet:</b> Donnerstag, 7. Januar 2021 05:56<br><b>An:</b> Brian Paul <<a href="mailto:brianp@vmware.com" target="_blank">brianp@vmware.com</a>><br><b>Cc:</b> mesa-dev <<a href="mailto:mesa-dev@lists.freedesktop.org" target="_blank">mesa-dev@lists.freedesktop.org</a>>; <a href="mailto:mesa-users@lists.freedesktop.org" target="_blank">mesa-users@lists.freedesktop.org</a><br><b>Betreff:</b> Re: [Mesa-dev] Fwd: [Mesa-users] Issues with removal of classic OSMesa<o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><br><br>I have some plans nothing firm to add some sort of aniso to llvmpipe. I was considering porting code from swiftshader, maybe I can bump it up the priority list.<o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Dave.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On Tue, 5 Jan 2021, 06:02 Brian Paul, <<a href="mailto:brianp@vmware.com" target="_blank">brianp@vmware.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><br><br>-------- Forwarded Message --------<br>Subject: [Mesa-users] Issues with removal of classic OSMesa<br>Date: Thu, 31 Dec 2020 12:56:04 +0100<br>From: Andreas Fänger <<a href="mailto:a.faenger@e-sign.com" target="_blank">a.faenger@e-sign.com</a>><br>To: <a href="mailto:mesa-users@lists.freedesktop.org" target="_blank">mesa-users@lists.freedesktop.org</a><br><br>Hi,<br><br>I've just seen that classic OSMesa has been removed (again) from Mesa3D <br>a few weeks ago with this commit "mesa: Retire classic OSMesa".<br><br>We are still actively using classical OSMesa for high quality rendering <br>of still images in a headless environment with no GPU support <br>(server-based rendering on windows and linux)<br><br>Unfortunately, none of the alternative software renderers provide all <br>the features that we require, which is antialiasing and anisotropic <br>filtering. The current state is (correct me if I'm wrong)<br><br>* softpipe: anisotropic filtering is supported, no antialiasing<br><br>* llvmpipe: no anisotropic filtering, has MSAA<o:p></o:p></p></blockquote><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></blockquote><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><br><br>* openswr: no anisotropic filtering, has MSAA, no OSMesa interface (?)<br><br>We had hoped that classical OSMesa is only removed when there is a full <br>replacement after the discussions in 2016 when OSMesa was about to be <br>removed for the first time<br><br><a href="https://lists.freedesktop.org/archives/mesa-dev/2016-March/109665.html" target="_blank">https://lists.freedesktop.org/archives/mesa-dev/2016-March/109665.html</a><br><br><a href="https://lists.freedesktop.org/archives/mesa-users/2016-March/001132.html" target="_blank">https://lists.freedesktop.org/archives/mesa-users/2016-March/001132.html</a><br><br>and the commit that reverted the removal<br><br><a href="http://cgit.freedesktop.org/mesa/mesa/commit/?id=9601815b4be886f4d92bf74916de98f3bdb7275c" target="_blank">http://cgit.freedesktop.org/mesa/mesa/commit/?id=9601815b4be886f4d92bf74916de98f3bdb7275c</a><br><br>Are there any plans to enhance the renderers so that at least one of <br>them is providing both anisotropic filtering and antialiasing?<br><br>As far as I know, anisotropic texture filtering is also one of the <br>OpenGL 4.6 requirements.<br><br>In 2016 I was told that there are only very few developers involved in <br>llvmpipe and that chances are not high that someone is going to port the <br>softpipe anisotropic filtering implementation as llvmpipe is much more <br>complex. Is there any change in that situation?<o:p></o:p></p></blockquote><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></blockquote><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></blockquote></div></div></div></div></div><p class=MsoNormal>_______________________________________________<br>mesa-dev mailing list<br><a href="mailto:mesa-dev@lists.freedesktop.org" target="_blank">mesa-dev@lists.freedesktop.org</a><br><a href="https://lists.freedesktop.org/mailman/listinfo/mesa-dev" target="_blank">https://lists.freedesktop.org/mailman/listinfo/mesa-dev</a><o:p></o:p></p></blockquote></div></div></div></div></body></html>