>

                <mrow>
                                        <mfrac>
                                                <mi mathvariant="italic">instance</mi>
                                                <mn>divisor</mn>
                                        </mfrac>
                </mrow>
            </math>
        </div>
        <p>

                        The value of <em class="parameter"><code>instance</code></em> may be read by a vertex shader as <code class="constant">gl_InstanceID</code>.
