>    out gl_PerVertex {
        vec4 gl_Position;
        float gl_PointSize;
        float gl_ClipDistance[];
    };</pre>
        <p>
        </p>
        <p>
            In fragment shaders, it is intrinsically declared as:
            <code class="fieldsynopsis"><span class="modifier">in </span><span class="type">float </span><span class="varname">gl_ClipDistance[] </span>;</code>
        </p>
      </div>
      <div class="refsect1" id="description">
        <h2>Description</h2>
        <p>
        