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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Make shader precompile guess MSAA layout properly"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90158#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Make shader precompile guess MSAA layout properly"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90158">bug 90158</a>
from <span class="vcard"><a class="email" href="mailto:kenneth@whitecape.org" title="Kenneth Graunke <kenneth@whitecape.org>"> <span class="fn">Kenneth Graunke</span></a>
</span></b>
<pre>Assuming it works, here's a better idea: kill the field altogether. Just treat
all surfaces like CMS.
According to the docs:
"If ld_mcs is issued on a surface with MCS disabled, this message returns zeros
in all channels."
I'm pretty sure it'll work for UMS and maybe even IMS. It's a bit of extra
work in the shader for the non-CMS case, but most things are CMS anyway.</pre>
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