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      <base href="https://bugs.freedesktop.org/">
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    <body><span class="vcard"><a class="email" href="mailto:michel@daenzer.net" title="Michel Dänzer <michel@daenzer.net>"> <span class="fn">Michel Dänzer</span></a>
</span> changed
          <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Unreal Engine corrupted preview viewport"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=97852">bug 97852</a>
          <br>
             <table border="1" cellspacing="0" cellpadding="8">
          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
          </tr>

         <tr>
           <td style="text-align:right;">QA Contact</td>
           <td>dri-devel@lists.freedesktop.org
           </td>
           <td>intel-3d-bugs@lists.freedesktop.org
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Assignee</td>
           <td>dri-devel@lists.freedesktop.org
           </td>
           <td>mesa-dev@lists.freedesktop.org
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Component</td>
           <td>Drivers/Gallium/radeonsi
           </td>
           <td>glsl-compiler
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Unreal Engine corrupted preview viewport"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=97852#c6">Comment # 6</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Unreal Engine corrupted preview viewport"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=97852">bug 97852</a>
              from <span class="vcard"><a class="email" href="mailto:michel@daenzer.net" title="Michel Dänzer <michel@daenzer.net>"> <span class="fn">Michel Dänzer</span></a>
</span></b>
        <pre>A shader program fails to link, see below. This may be an Unreal Engine
(editor) bug, reassigning to the GLSL compiler for now.

839119 @4 glLinkProgram(program = 3018)
839119: warning: link failed
839119: warning: error: vertex shader output `out_TEXCOORD0' specifies
noperspective interpolation qualifier, but fragment shader input specifies no
interpolation qualifier

Mesa: User error: GL_INVALID_OPERATION in glUseProgram(program 3018 not linked)
[more errors]</pre>
        </div>
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