<html>
<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SNB] ES3-CTS.functional.shaders.precision"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103626">103626</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[SNB] ES3-CTS.functional.shaders.precision
</td>
</tr>
<tr>
<th>Product</th>
<td>Mesa
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>Drivers/DRI/i965
</td>
</tr>
<tr>
<th>Assignee</th>
<td>jason@jlekstrand.net
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mark.a.janes@intel.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-3d-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Regressions:
ES3-CTS.functional.shaders.precision.int.highp_mul_fragment.snbm64
ES3-CTS.functional.shaders.precision.int.mediump_mul_fragment.snbm64
ES3-CTS.functional.shaders.precision.int.lowp_mul_fragment.snbm64
ES3-CTS.functional.shaders.precision.uint.highp_mul_fragment.snbm64
ES3-CTS.functional.shaders.precision.uint.mediump_mul_fragment.snbm64
ES3-CTS.functional.shaders.precision.uint.lowp_mul_fragment.snbm64
src/intel/compiler/brw_fs.cpp:838: unsigned int fs_inst::size_read(int) const:
Assertion `!"MRF registers are not allowed as sources"' failed.
Bisected to:
18fde36ced4279f2577097a1a7d31b55f2f5f141
Author: Jason Ekstrand <<a href="mailto:jason@jlekstrand.net">jason@jlekstrand.net</a>>
intel/fs: Use the original destination region for int MUL lowering
Some hardware (CHV, BXT) have special restrictions on register regions
when doing integer multiplication. We want to respect those when we
lower to DxW multiplication.
Reviewed-by: Iago Toral Quiroga <<a href="mailto:itoral@igalia.com">itoral@igalia.com</a>>
Cc: <a href="mailto:mesa-stable@lists.freedesktop.org">mesa-stable@lists.freedesktop.org</a></pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
</ul>
</body>
</html>