https://bugs.freedesktop.org/show_bug.cgi?id=83510
Marek Olšák <maraeo at gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #16 from Marek Olšák <maraeo at gmail.com> --- (In reply to Henri Verbeet from comment #11) > (In reply to Marek Olšák from comment #10) > > However, Tonga and later hardware doesn't have the legacy dx9 opcodes for > > MUL, MAD, RCP, RSQ, and LOG and they must be emulated with a comparison (or > > V_CLASS_F32 that returns whether it's NaN/+-Inf/Denorm/+-0/etc) + > > conditional assignment. It's better to do the conditional assignment after > > every RCP than after every MUL. > > Interesting, I wonder how that works out for Direct3D 9 applications. I > don't suppose there's a global switch instead like (at least some) Intel and > NVIDIA hardware has? Yes, there is. See the commit. Fixed by Mesa commit 2150db4d5daad3781876254d2b440367afd756cd. Closing. -- You are receiving this mail because: You are the assignee for the bug. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20150116/60f0d1b3/attachment.html>