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    <body><span class="vcard"><a class="email" href="mailto:idr@freedesktop.org" title="Ian Romanick <idr@freedesktop.org>"> <span class="fn">Ian Romanick</span></a>
</span> changed
              <a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - type mismatch of constant return value"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=94488">bug 94488</a>
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          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
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         <tr>
           <td style="text-align:right;">Status</td>
           <td>NEW
           </td>
           <td>NEEDINFO
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            <b><a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - type mismatch of constant return value"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=94488#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - type mismatch of constant return value"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=94488">bug 94488</a>
              from <span class="vcard"><a class="email" href="mailto:idr@freedesktop.org" title="Ian Romanick <idr@freedesktop.org>"> <span class="fn">Ian Romanick</span></a>
</span></b>
        <pre>Implicit conversions on return values was added in GLSL 4.20 and
GL_ARB_shading_language_420pack.  Section 1.2.6 (Summary of Changes from
Version 4.10) of the GLSL 4.20 spec says, "Allow implicit conversions of return
values to the declared type of the function."  The overview section of the
GL_ARB_shading_language_420pack spec says the same thing.

Does this work if you add

#extension GL_ARB_shading_language_420pack: require

to the shader?</pre>
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