1 /*
   2  * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.java2d;
  27 
  28 import sun.awt.image.SunVolatileImage;
  29 import sun.awt.image.VolatileSurfaceManager;
  30 import sun.java2d.macos.MacOSFlags;
  31 import sun.java2d.metal.MTLVolatileSurfaceManager;
  32 import sun.java2d.opengl.CGLVolatileSurfaceManager;
  33 
  34 /**
  35  * This is a factory class with static methods for creating a
  36  * platform-specific instance of a particular SurfaceManager.  Each platform
  37  * (Windows, Unix, etc.) has its own specialized SurfaceManagerFactory.
  38  */
  39 public class MacosxSurfaceManagerFactory extends SurfaceManagerFactory {
  40 
  41     /**
  42      * Creates a new instance of a VolatileSurfaceManager given any
  43      * arbitrary SunVolatileImage.  An optional context Object can be supplied
  44      * as a way for the caller to pass pipeline-specific context data to
  45      * the VolatileSurfaceManager (such as a backbuffer handle, for example).
  46      *
  47      * For Mac OS X, this method returns either an CGL-specific
  48      * VolatileSurfaceManager based on the GraphicsConfiguration
  49      * under which the SunVolatileImage was created.
  50      */
  51     public VolatileSurfaceManager createVolatileManager(SunVolatileImage vImg,
  52                                                         Object context)
  53     {
  54         return MacOSFlags.isMetalEnabled() ? new MTLVolatileSurfaceManager(vImg, context) :
  55                 new CGLVolatileSurfaceManager(vImg, context);
  56     }
  57 }