rev 54883 : JDK-8220154 Improve java2d rendering performance on macOS by using Metal framework

          --- old/src/java.desktop/macosx/classes/sun/awt/CGraphicsConfig.java
          +++ new/src/java.desktop/macosx/classes/sun/awt/CGraphicsConfig.java

   1    1  /*
   2    2   * Copyright (c) 2011, 2019, 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.
  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.awt;

  27   27  
  28   28  import java.awt.GraphicsConfiguration;
  29   29  import java.awt.Rectangle;
  30   30  import java.awt.Transparency;
  31   31  import java.awt.geom.AffineTransform;
  32   32  import java.awt.image.ColorModel;
  33   33  
  34   34  import sun.java2d.SurfaceData;
  35   35  import sun.java2d.opengl.CGLLayer;
  36   36  import sun.lwawt.LWGraphicsConfig;
       37 +import sun.lwawt.macosx.CFRetainedResource;
  37   38  import sun.lwawt.macosx.CPlatformView;
  38   39  
  39   40  public abstract class CGraphicsConfig extends GraphicsConfiguration
  40   41          implements LWGraphicsConfig {
  41   42  
  42   43      private final CGraphicsDevice device;
  43   44      private ColorModel colorModel;
  44   45  
  45   46      protected CGraphicsConfig(CGraphicsDevice device) {
  46   47          this.device = device;

  47   48      }
  48   49  
  49   50      @Override
  50   51      public final Rectangle getBounds() {
  51   52          return device.getBounds();
  52   53      }
  53   54  
  54   55      @Override
  55   56      public ColorModel getColorModel() {
  56   57          if (colorModel == null) {
  57   58              colorModel = getColorModel(Transparency.OPAQUE);
  58   59          }
  59   60          return colorModel;
  60   61      }
  61   62  
  62   63      @Override
  63   64      public AffineTransform getDefaultTransform() {
  64   65          double scaleFactor = device.getScaleFactor();
  65   66          return AffineTransform.getScaleInstance(scaleFactor, scaleFactor);
  66   67      }
  67   68  
  68   69      @Override
  69   70      public CGraphicsDevice getDevice() {
  70   71          return device;
  71   72      }
  72   73  
  73   74      @Override
  74   75      public AffineTransform getNormalizingTransform() {
  75   76          double xscale = device.getXResolution() / 72.0;
  76   77          double yscale = device.getYResolution() / 72.0;
  77   78          return new AffineTransform(xscale, 0.0, 0.0, yscale, 0.0, 0.0);
  78   79      }
  79   80  

  80   81      /**
  81   82       * Creates a new SurfaceData that will be associated with the given
  82   83       * LWWindowPeer.
  83   84       */
  84   85      public abstract SurfaceData createSurfaceData(CPlatformView pView);
  85   86  
  86   87      /**
  87   88       * Creates a new SurfaceData that will be associated with the given
  88   89       * CGLLayer.
  89   90       */
  90      -    public abstract SurfaceData createSurfaceData(CGLLayer layer);
       91 +    public abstract SurfaceData createSurfaceData(CFRetainedResource layer);
  91   92  
  92   93      @Override
  93   94      public final boolean isTranslucencyCapable() {
  94   95          //we know for sure we have capable config :)
  95   96          return true;
  96   97      }
  97   98  }
    

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