--- old/src/java.desktop/macosx/classes/sun/java2d/metal/MetalVolatileSurfaceManager.java	2019-06-14 14:39:00.000000000 +0530
+++ /dev/null	2019-06-14 14:39:00.000000000 +0530
@@ -1,134 +0,0 @@
-/*
- * Copyright (c) 2018, 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.metal;
-
-import sun.awt.AWTAccessor;
-import sun.awt.image.SunVolatileImage;
-import sun.awt.image.VolatileSurfaceManager;
-import sun.java2d.SurfaceData;
-import sun.java2d.opengl.OGLSurfaceData;
-
-import java.awt.*;
-import java.awt.image.ColorModel;
-import java.awt.peer.ComponentPeer;
-
-public class MetalVolatileSurfaceManager extends VolatileSurfaceManager {
-    //private final boolean accelerationEnabled;
-    public MetalVolatileSurfaceManager(SunVolatileImage vImg, Object context) {
-        super(vImg, context);
-        
-        /*
-         * We will attempt to accelerate this image only under the
-         * following conditions:
-         *   - the image is not bitmask AND the GraphicsConfig supports the FBO
-         *     extension
-         */
-        /*int transparency = vImg.getTransparency();
-         MetalGraphicsConfig gc = (MetalGraphicsConfig) vImg.getGraphicsConfig();
-         accelerationEnabled = gc.isCapPresent(CAPS_EXT_FBOBJECT)
-         && transparency != Transparency.BITMASK;*/
-    }
-    
-    protected boolean isAccelerationEnabled() {
-        return true;
-    }
-    
-    /**
-     * Create a FBO-based SurfaceData object (or init the backbuffer
-     * of an existing window if this is a double buffered GraphicsConfig)
-     */
-    protected SurfaceData initAcceleratedSurface() {
-        SurfaceData sData = null;
-        Component comp = vImg.getComponent();
-        final AWTAccessor.ComponentAccessor acc = AWTAccessor.getComponentAccessor();
-        final ComponentPeer peer = (comp != null) ? acc.getPeer(comp) : null;
-        
-        try {
-            /*boolean createVSynced = false;
-             boolean forceback = false;
-             if (context instanceof Boolean) {
-             forceback = ((Boolean)context).booleanValue();
-             if (forceback && peer instanceof BackBufferCapsProvider) {
-             BackBufferCapsProvider provider =
-             (BackBufferCapsProvider)peer;
-             BufferCapabilities caps = provider.getBackBufferCaps();
-             if (caps instanceof ExtendedBufferCapabilities) {
-             ExtendedBufferCapabilities ebc =
-             (ExtendedBufferCapabilities)caps;
-             if (ebc.getVSync() == VSYNC_ON &&
-             ebc.getFlipContents() == COPIED)
-             {
-             createVSynced = true;
-             forceback = false;
-             }
-             }
-             }
-             }*/
-            
-            /*if (forceback) {
-             // peer must be non-null in this case
-             // TODO: modify parameter to delegate
-             //                sData = CGLSurfaceData.createData(peer, vImg, FLIP_BACKBUFFER);
-             } else {*/
-            MetalGraphicsConfig gc =
-            (MetalGraphicsConfig)vImg.getGraphicsConfig();
-            ColorModel cm = gc.getColorModel(vImg.getTransparency());
-            int type = vImg.getForcedAccelSurfaceType();
-            // if acceleration type is forced (type != UNDEFINED) then
-            // use the forced type, otherwise choose FBOBJECT
-            //if (type == OGLSurfaceData.UNDEFINED) {
-            //type = OGLSurfaceData.FBOBJECT;
-            //}
-            //if (createVSynced) {
-            /*
-             * TODO: modify parameter to delegate, this TODO is
-             * present in OGL also
-             */
-            //                  sData = CGLSurfaceData.createData(peer, vImg, type);
-            //} else {
-            sData = MetalSurfaceData.createData(gc,
-                                                vImg.getWidth(),
-                                                vImg.getHeight(),
-                                                cm, vImg, type);
-            //}
-            //}
-        } catch (NullPointerException ex) {
-            sData = null;
-        } catch (OutOfMemoryError er) {
-            sData = null;
-        }
-        
-        return sData;
-    }
-    
-    @Override
-    public void initContents() {
-        // TODO : Check what is special case of TEXTURE
-        //if (vImg.getForcedAccelSurfaceType() != OGLSurfaceData.TEXTURE) {
-        super.initContents();
-        //}
-    }
-}