class="constant">EGL_FALSE</code> is returned on failure,
            <code class="constant">EGL_TRUE</code> otherwise. If <code class="constant">EGL_FALSE</code>
            is returned, the previously current rendering context and
            surfaces (if any) remain unchanged.
        </p>
        <p>
            <code class="constant">EGL_BAD_DISPLAY</code> is generated if
            <em class="parameter"><code>display</code></em> is not an EGL display connection.
        </p>
        <p>
            <