lass="listitem"><p>The read buffer contains signed integer values and any draw buffer does not contain signed integer values.</p></li></ul></div><p>
        </p><p>
            <code class="constant">GL_INVALID_OPERATION</code> is generated if <em class="parameter"><code>mask</code></em> contains <code class="constant">GL_DEPTH_BUFFER_BIT</code> or
            <code class="constant">GL_STENCIL_BUFFER_BIT</code> and the source and destination depth and stencil formats do not match.
        </p><p>
          