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rev 54883 : JDK-8220154 Improve java2d rendering performance on macOS by using Metal framework
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--- old/src/java.desktop/macosx/classes/sun/java2d/MacosxSurfaceManagerFactory.java
+++ new/src/java.desktop/macosx/classes/sun/java2d/MacosxSurfaceManagerFactory.java
1 1 /*
2 2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
3 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 4 *
5 5 * This code is free software; you can redistribute it and/or modify it
6 6 * under the terms of the GNU General Public License version 2 only, as
7 7 * published by the Free Software Foundation. Oracle designates this
8 8 * particular file as subject to the "Classpath" exception as provided
9 9 * by Oracle in the LICENSE file that accompanied this code.
10 10 *
11 11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 14 * version 2 for more details (a copy is included in the LICENSE file that
15 15 * accompanied this code).
16 16 *
17 17 * You should have received a copy of the GNU General Public License version
18 18 * 2 along with this work; if not, write to the Free Software Foundation,
19 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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20 20 *
21 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 22 * or visit www.oracle.com if you need additional information or have any
23 23 * questions.
24 24 */
25 25
26 26 package sun.java2d;
27 27
28 28 import sun.awt.image.SunVolatileImage;
29 29 import sun.awt.image.VolatileSurfaceManager;
30 +import sun.java2d.macos.MacOSFlags;
31 +import sun.java2d.metal.MTLVolatileSurfaceManager;
30 32 import sun.java2d.opengl.CGLVolatileSurfaceManager;
31 33
32 34 /**
33 35 * This is a factory class with static methods for creating a
34 36 * platform-specific instance of a particular SurfaceManager. Each platform
35 37 * (Windows, Unix, etc.) has its own specialized SurfaceManagerFactory.
36 38 */
37 39 public class MacosxSurfaceManagerFactory extends SurfaceManagerFactory {
38 40
39 41 /**
40 42 * Creates a new instance of a VolatileSurfaceManager given any
41 43 * arbitrary SunVolatileImage. An optional context Object can be supplied
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42 44 * as a way for the caller to pass pipeline-specific context data to
43 45 * the VolatileSurfaceManager (such as a backbuffer handle, for example).
44 46 *
45 47 * For Mac OS X, this method returns either an CGL-specific
46 48 * VolatileSurfaceManager based on the GraphicsConfiguration
47 49 * under which the SunVolatileImage was created.
48 50 */
49 51 public VolatileSurfaceManager createVolatileManager(SunVolatileImage vImg,
50 52 Object context)
51 53 {
52 - return new CGLVolatileSurfaceManager(vImg, context);
54 + return MacOSFlags.isMetalEnabled() ? new MTLVolatileSurfaceManager(vImg, context) :
55 + new CGLVolatileSurfaceManager(vImg, context);
53 56 }
54 57 }
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