src/java.desktop/macosx/classes/sun/java2d/MacosxSurfaceManagerFactory.java - master - githubmirror/jdk17u-dev

src/java.desktop/macosx/classes/sun/java2d/MacosxSurfaceManagerFactory.java

57 строк3 KB

Ajit Ghaisas

8260931: Implement JEP 382: New macOS Rendering Pipeline

15 мар 2021, 09:41

15 мар 2021, 09:418afec70

/*
 * Copyright (c) 2011, 2021, 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;
import sun.awt.CGraphicsDevice;
import sun.java2d.metal.MTLVolatileSurfaceManager;
import sun.java2d.opengl.CGLVolatileSurfaceManager;

/**
 * This is a factory class with static methods for creating a
 * platform-specific instance of a particular SurfaceManager.  Each platform
 * (Windows, Unix, etc.) has its own specialized SurfaceManagerFactory.
 */
public class MacosxSurfaceManagerFactory extends SurfaceManagerFactory {

    /**
     * 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).
     *
     * For Mac OS X, this method returns either an CGL/MTL-specific
     * VolatileSurfaceManager based on the GraphicsConfiguration
     * under which the SunVolatileImage was created.
     */
    public VolatileSurfaceManager createVolatileManager(SunVolatileImage vImg,
                                                        Object context)
    {
        return CGraphicsDevice.usingMetalPipeline() ? new MTLVolatileSurfaceManager(vImg, context) :
                new CGLVolatileSurfaceManager(vImg, context);
    }
}