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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [softpipe] piglit glsl-fs-tan-1 regression"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99817#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [softpipe] piglit glsl-fs-tan-1 regression"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99817">bug 99817</a>
from <span class="vcard"><a class="email" href="mailto:currojerez@riseup.net" title="Francisco Jerez <currojerez@riseup.net>"> <span class="fn">Francisco Jerez</span></a>
</span></b>
<pre>This seems to be caused by the atan() built-in implementation now using
ir_triop_csel instead of control flow, which is translated incorrectly by the
mesa state tracker on drivers with native integer support when one of the
arguments is floating point and has a source modifier enabled, because
glsl_to_tgsi emits an integer UCMP instruction in that case, which has
different (integer) modifier semantics.</pre>
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