ns under which failure will occur. Even if
            EGL is not initialized on any EGLDisplay,
            <code class="function">eglReleaseThread</code> should succeed.
        </p>
        <p>
            However, platform-dependent failures may be signaled through
            the value returned from <code class="function">eglGetError</code>.
            Unless the platform-dependent behavior is known, a failed
            call to <code class="function">eglReleaseThread</code> should be
            assu