<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style> </head> <body dir="ltr"> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> > <span style="color: rgb(50, 49, 48); font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255); display: inline !important">I think that for GL and GLES </span><span style="color: rgb(50, 49, 48); font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255); display: inline !important">contexts, we should disable noncormant hacks instead of using env vars </span><span style="color: rgb(50, 49, 48); font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255); display: inline !important">to falsely claim conformance.</span></div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <span style="color: rgb(50, 49, 48); font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255); display: inline !important"><br> </span></div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <span style="color: rgb(50, 49, 48); font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255); display: inline !important">The hacks controlled for<span style="font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; background-color: rgb(255, 255, 255); display: inline !important"><span> `</span>GALLIVM_DEBUG=no_rho_approx,no_brilinear,no_quad_lod` where meant to speed up commonplace 3D rendering, on any kind of context (GL or not). These particular hacks were <i>not</i> designed with Direct3D contexts or any VMware specific workloads in mind. They are meant to speed up texture sampling, which often dominates pixel shader performance.</span></span></div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <span style="color: rgb(50, 49, 48); font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255); display: inline !important"><span style="font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; background-color: rgb(255, 255, 255); display: inline !important"><br> </span></span></div> <div style=""><span style="font-size: 14.6667px;">Regarding the default llvmpipe behavior is, it really depends what its goal is: fast SW renderering with acceptable quality, or a fully compliant SW renderering. So far we've favoured performance over full conformance. <span style="font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; background-color: rgb(255, 255, 255); display: inline !important">Unfortunately, it's impossible to be both. </span></span></div> <div style=""><span style="font-size: 14.6667px;"><span style="font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; background-color: rgb(255, 255, 255); display: inline !important"><br> </span></span></div> <div style=""><span style="font-size: 14.6667px;"><span style="font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; background-color: rgb(255, 255, 255); display: inline !important">I'm OK not claiming any conformance with llvmpipe FWIW.</span></span></div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <span style="color: rgb(50, 49, 48); font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255); display: inline !important"><span style="font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; background-color: rgb(255, 255, 255); display: inline !important"><br> </span></span></div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <span style="color: rgb(50, 49, 48); font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255); display: inline !important"><span style="font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; background-color: rgb(255, 255, 255); display: inline !important">Jose</span></span></div> <div> <div id="appendonsend"></div> <div style="font-family:Calibri,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"> <br> </div> <hr tabindex="-1" style="display:inline-block; width:98%"> <div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> mesa-dev <mesa-dev-bounces@lists.freedesktop.org> on behalf of Eric Anholt <eric@anholt.net><br> <b>Sent:</b> Tuesday, August 13, 2019 21:49<br> <b>To:</b> Ilia Mirkin <imirkin@alum.mit.edu><br> <b>Cc:</b> ML Mesa-dev <mesa-dev@lists.freedesktop.org><br> <b>Subject:</b> Re: [Mesa-dev] dEQP + llvmpipe</font> <div> </div> </div> <div class="BodyFragment"><font size="2"><span style="font-size:11pt"> <div class="PlainText">Ilia Mirkin <imirkin@alum.mit.edu> writes:<br> <br> > Hi Eric,<br> ><br> > I see that you recently added testing dEQP with llvmpipe in the CI. It<br> > looks like a number of your expected failures would be resolved by<br> > disabling some llvmpipe optimizations. You can do this by running with<br> ><br> > GALLIVM_DEBUG=no_rho_approx,no_brilinear,no_quad_lod<br> ><br> > in the environment. Some of this is detailed in<br> > <a href="https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugs.freedesktop.org%2Fshow_bug.cgi%3Fid%3D94957&data=02%7C01%7Cjfonseca%40vmware.com%7C8cfcb00c765b4596fc0708d7202fc088%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C0%7C0%7C637013261788370956&sdata=WZ0LimnTNWwlGYoaldC0q9D3vBk4zBFONF6W0MibFxA%3D&reserved=0"> https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugs.freedesktop.org%2Fshow_bug.cgi%3Fid%3D94957&data=02%7C01%7Cjfonseca%40vmware.com%7C8cfcb00c765b4596fc0708d7202fc088%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C0%7C0%7C637013261788370956&sdata=WZ0LimnTNWwlGYoaldC0q9D3vBk4zBFONF6W0MibFxA%3D&reserved=0</a> .<br> <br> Yeah, this was discussed in the MR. I think that for GL and GLES<br> contexts, we should disable noncormant hacks instead of using env vars<br> to falsely claim conformance.<br> </div> </span></font></div> </div> </body> </html>