/div>
      <div class="refsect1" id="notes">
        <h2>Notes</h2>
        <p>If an error is generated, no change is made to the
        contents of <em class="parameter"><code>params</code></em>.</p>
      </div>
      <div class="refsect1" id="errors">
        <h2>Errors</h2>
        <p><code class="constant">GL_INVALID_VALUE</code> is generated if
        <em class="parameter"><code>shader</code></em> is not a value generated by
        OpenGL.</p>
        <p><code class="constant">GL_INVALID_OPERATION