code>
            fails to create a rendering context,
            <code class="constant">EGL_NO_CONTEXT</code> is returned.
        </p>
        <p>
            If <em class="parameter"><code>share_context</code></em> is not
            <code class="constant">EGL_NO_CONTEXT</code>, then all shareable data
            in the context (as defined by the client API specification
            for the current rendering API) are shared by context
            <em class="parameter"><code>share_context</code></em>, a