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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - OpenGLCurveEvaluator does not return affine coordinates"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=110516">110516</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>OpenGLCurveEvaluator does not return affine coordinates
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>Mesa
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>19.0
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>major
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>GLU
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>mesa-dev@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>volkerenderlein@hotmail.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>mesa-dev@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=144094" name="attach_144094" title="fix for bug report">attachment 144094</a> <a href="attachment.cgi?id=144094&action=edit" title="fix for bug report">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=110516&attachment=144094'>[review]</a>
fix for bug report

According to the spec the GLU_NURBS_VERTEX and GLU_NURBS_VERTEX_DATA callbacks
should always return affine coordinates. But in case of a NURBS curve
definition in homogeneous coordinates it returns homogeneous coordinates. The
transformation to affine coordinates is missing. See accompanying patch for a
fix.</pre>
        </div>
      </p>


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