--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.desktop/share/classes/sun/java2d/SurfaceManagerFactory.java	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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 in the LICENSE file that
+ * accompanied this code).
+ *
+ * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.java2d;
+
+import sun.awt.image.SunVolatileImage;
+import sun.awt.image.VolatileSurfaceManager;
+
+/**
+ * This factory creates platform specific VolatileSurfaceManager
+ * implementations.
+ *
+ * There are two platform specific SurfaceManagerFactories in OpenJDK,
+ * UnixSurfaceManagerFactory and WindowsSurfaceManagerFactory.
+ * The actually used SurfaceManagerFactory is set by the respective platform
+ * GraphicsEnvironment implementations in the static initializer.
+ */
+public abstract class SurfaceManagerFactory {
+
+    /**
+     * The single shared instance.
+     */
+    private static SurfaceManagerFactory instance;
+
+    /**
+     * Returns the surface manager factory instance. This returns a factory
+     * that has been set by {@link #setInstance(SurfaceManagerFactory)}.
+     *
+     * @return the surface manager factory
+     */
+    public synchronized static SurfaceManagerFactory getInstance() {
+
+        if (instance == null) {
+            throw new IllegalStateException("No SurfaceManagerFactory set.");
+        }
+        return instance;
+    }
+
+    /**
+     * Sets the surface manager factory. This may only be called once, and it
+     * may not be set back to {@code null} when the factory is already
+     * instantiated.
+     *
+     * @param factory the factory to set
+     */
+    public synchronized static void setInstance(SurfaceManagerFactory factory) {
+
+        if (factory == null) {
+            // We don't want to allow setting this to null at any time.
+            throw new IllegalArgumentException("factory must be non-null");
+        }
+
+        if (instance != null) {
+            // We don't want to re-set the instance at any time.
+            throw new IllegalStateException("The surface manager factory is already initialized");
+        }
+
+        instance = factory;
+    }
+
+    /**
+     * Creates a new instance of a VolatileSurfaceManager given any
+     * arbitrary SunVolatileImage.  An optional context Object can be supplied
+     * as a way for the caller to pass pipeline-specific context data to
+     * the VolatileSurfaceManager (such as a backbuffer handle, for example).
+     */
+     public abstract VolatileSurfaceManager
+         createVolatileManager(SunVolatileImage image, Object context);
+}