<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body><span class="vcard"><a class="email" href="mailto:maraeo@gmail.com" title="Marek Olšák <maraeo@gmail.com>"> <span class="fn">Marek Olšák</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Graphical glitches in Unreal Engine 4"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83510">bug 83510</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Graphical glitches in Unreal Engine 4"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83510#c16">Comment # 16</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Graphical glitches in Unreal Engine 4"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83510">bug 83510</a>
from <span class="vcard"><a class="email" href="mailto:maraeo@gmail.com" title="Marek Olšák <maraeo@gmail.com>"> <span class="fn">Marek Olšák</span></a>
</span></b>
<pre>(In reply to Henri Verbeet from <a href="show_bug.cgi?id=83510#c11">comment #11</a>)
<span class="quote">> (In reply to Marek Olšák from <a href="show_bug.cgi?id=83510#c10">comment #10</a>)
> > 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?</span >
Yes, there is. See the commit.
Fixed by Mesa commit 2150db4d5daad3781876254d2b440367afd756cd. Closing.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>