/* * Copyright 1990-2009 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version * 2 only, as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License version 2 for more details (a copy is * included at /legal/license.txt). * * You should have received a copy of the GNU General Public License * version 2 along with this work; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa * Clara, CA 95054 or visit www.sun.com if you need additional * information or have any questions. */ package javax.microedition.khronos.egl; import javax.microedition.khronos.opengles.*; /** * A class encapsulating the EGL context. The class also contains * static methods used to obtain instances of the <code>EGL</code> * and <code>GL</code> interfaces. * * <p> An <code>EGLContext</code> is obtained from EGL using the * <code>eglCreateContext</code> function, and destroyed using the * <code>eglDestroyContext</code> function. Its main role is as a * parameter to <code>eglMakeCurrent</code>. */ public abstract class EGLContext { EGLContext() { } /** * Returns an <code>EGL</code> object. * * @return an <code>EGL</code> instance. */ public static synchronized EGL getEGL() { return EGL10Impl.getInstance(); } /** * Returns a <code>GL</code> object associated with this EGL * context. * * <p>To call extension methods, cast the returned object to the * interface type that contains the methods of the extension. * * @return a <code>GL</code> instance that implements all * available extension interfaces. */ public abstract GL getGL(); }