<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [radeonsi] playing back videos with VDPAU exhibits deinterlacing/anti-aliasing issues not visible with VA-API" href="https://bugs.freedesktop.org/show_bug.cgi?id=97988#c13">Comment # 13</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [radeonsi] playing back videos with VDPAU exhibits deinterlacing/anti-aliasing issues not visible with VA-API" href="https://bugs.freedesktop.org/show_bug.cgi?id=97988">bug 97988</a> from <a class="email" href="mailto:maraeo@gmail.com" title="Marek Olšák <maraeo@gmail.com>"> Marek Olšák</a> <pre>(In reply to Tom Stellard from <a href="show_bug.cgi?id=97988#c12">comment #12</a>) > > I think the best solution here would be to teach the backend how to do a > scalar select based on value of vccz. You are missing the point. The condition code (VCC) isn't the same across all threads. The problem is that the conditional assignment is transformed into a form that makes descriptor load addresses non-uniform (dependent on a VGPR). There is nothing the AMDGPU backend can do about it. It's not a problem in the backend.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>