<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [OpenGL CTS][SKL,KBL] KHR-GL45.vertex_attrib_64bit.limits_test occasionally fails" href="https://bugs.freedesktop.org/show_bug.cgi?id=104335#c4">Comment # 4</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [OpenGL CTS][SKL,KBL] KHR-GL45.vertex_attrib_64bit.limits_test occasionally fails" href="https://bugs.freedesktop.org/show_bug.cgi?id=104335">bug 104335</a> from <a class="email" href="mailto:itoral@igalia.com" title="Iago Toral <itoral@igalia.com>"> Iago Toral</a> <pre>It seems that programming the hardware to include a dummy SGVS vertex element fixes the problem. In theory, this is not required since gen8 because 3DSTATE_VF_SGVS allows us to store VertexID and InstanceID in an element beyond the last vertex element programmed, but just doing this seems to get rid of the spurious fails completely, at least on my KBL laptop. I'll do some more testing and send an RFC patch for review if I don't find any issues. It could be that this is just papering over something else though.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>