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<body><span class="vcard"><a class="email" href="mailto:idr@freedesktop.org" title="Ian Romanick <idr@freedesktop.org>"> <span class="fn">Ian Romanick</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [UBO] Using bool from UBO as if-statement condition asserts"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83468">bug 83468</a>
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<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>ASSIGNED
</td>
<td>RESOLVED
</td>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
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<div>
<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [UBO] Using bool from UBO as if-statement condition asserts"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83468#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [UBO] Using bool from UBO as if-statement condition asserts"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83468">bug 83468</a>
from <span class="vcard"><a class="email" href="mailto:idr@freedesktop.org" title="Ian Romanick <idr@freedesktop.org>"> <span class="fn">Ian Romanick</span></a>
</span></b>
<pre>Fixed by:
commit a20cc2796f5d55e49956ac0bc5d61ca027eec7f9
Author: Kenneth Graunke <<a href="mailto:kenneth@whitecape.org">kenneth@whitecape.org</a>>
Date: Thu Sep 4 00:18:45 2014 -0700
i965: Handle ir_binop_ubo_load in boolean expression code.
UBO loads can be boolean-valued expressions, too, so we need to handle
them in emit_bool_to_cond_code() and emit_if_gen6().
However, unlike most expressions, it doesn't make sense to evaluate
their operands, then do something with the results. We just want to
evaluate the UBO load as a whole---which performs the read from
memory---then load the boolean result into the flag register.
Instead of adding code to handle it, we can simply bypass the
ir_expression handling, and fall through to the default code, which will
do exactly that.
Bugzilla: <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [UBO] Using bool from UBO as if-statement condition asserts"
href="show_bug.cgi?id=83468">https://bugs.freedesktop.org/show_bug.cgi?id=83468</a>
Signed-off-by: Kenneth Graunke <<a href="mailto:kenneth@whitecape.org">kenneth@whitecape.org</a>>
Reviewed-by: Matt Turner <<a href="mailto:mattst88@gmail.com">mattst88@gmail.com</a>>
Cc: <a href="mailto:mesa-stable@lists.freedesktop.org">mesa-stable@lists.freedesktop.org</a>
Commit a318e2f3 on 10.3 branch.</pre>
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