    <div class="refentry" id="gl_FragCoord">
      <div class="titlepage"></div>
      <div class="refnamediv">
        <h2>Name</h2>
        <p>gl_FragCoord — contains the window-relative coordinates of the current fragment</p>
      </div>
      <div class="refsynopsisdiv">
        <h2>Declaration</h2>
        <code class="fieldsynopsis"><span class="modifier">in </span><span class="type">vec4 </span><span class="varname">gl_FragCoord </span>;</code>
      </div>
      <div class="refsect1" id="descr