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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [softpipe] piglit fbo-generatemipmap-cubemap S3TC_DXT1 regression"
href="https://bugs.freedesktop.org/show_bug.cgi?id=77161">77161</a>
</td>
</tr>
<tr>
<th>Keywords</th>
<td>regression
</td>
</tr>
<tr>
<th>CC</th>
<td>maraeo@gmail.com
</td>
</tr>
<tr>
<th>Assignee</th>
<td>mesa-dev@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[softpipe] piglit fbo-generatemipmap-cubemap S3TC_DXT1 regression
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>vlee@freedesktop.org
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Component</th>
<td>Other
</td>
</tr>
<tr>
<th>Product</th>
<td>Mesa
</td>
</tr></table>
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<pre>mesa: 34f15903d6f5807b34a4c9be6d8daaedbbdd64bc (master 10.2.0-devel)
$ ./bin/fbo-generatemipmap-cubemap S3TC_DXT1 -auto
Probe color at (0,0)
Expected: 0.250000 0.500000 0.500000 1.000000
Observed: 0.000000 0.490196 0.482353 1.000000
when testing face 2, level 5, cube 0
PIGLIT: {'result': 'fail' }
8ab7bb4707ae5fb6e5e841f0f2e369c14b5ffbea is the first bad commit
commit 8ab7bb4707ae5fb6e5e841f0f2e369c14b5ffbea
Author: Marek Olšák <<a href="mailto:marek.olsak@amd.com">marek.olsak@amd.com</a>>
Date: Sun Mar 16 03:40:54 2014 +0100
gallium/u_blitter: don't adjust cubemap coordinates by a small number
It may cause issues with mipmap generation.
I think it was used to make some piglit tests pass on r300g.
:040000 040000 de431ecef78cd73917bdae4846194821bcfe9862
234da266ee4cbe859f5e9a9671fdb82026953304 M src
bisect run success</pre>
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