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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <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>
        </div>
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