ass="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;</div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;        checkGLErrors(<span class="stringliteral">&quot;MatlabFieldViewer::draw_impl0&quot;</span>);</div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;       </div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;        GLfloat global_ambient[] = { 1.0f, 1.0f, 1.0f, 1.0f };</div>
<div class