<shader compiler="xmlshader" name="shadowextrude">
  <technique priority="100">
    <pass>
      <mixmode>
        <copy />
      </mixmode>
      <buffer source="normal" destination="normal" />
      <writemask r="false" g="false" b="false" a="false" />
      <vp plugin="glarb" file="/shader/shadowextrude.avp" />
    </pass>
  </technique>
</shader>
