1 /*
   2  * Copyright (c) 2008, 2014, 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.d3d;
  27 
  28 import java.awt.Color;
  29 import java.awt.Transparency;
  30 
  31 import sun.java2d.InvalidPipeException;
  32 import sun.java2d.SurfaceData;
  33 import sun.java2d.SurfaceDataProxy;
  34 import sun.java2d.loops.CompositeType;
  35 
  36 /**
  37  * The proxy class contains the logic for when to replace a
  38  * SurfaceData with a cached D3D Texture and the code to create
  39  * the accelerated surfaces.
  40  */
  41 public class D3DSurfaceDataProxy extends SurfaceDataProxy {
  42 
  43     public static SurfaceDataProxy createProxy(SurfaceData srcData,
  44                                                D3DGraphicsConfig dstConfig)
  45     {
  46         if (srcData instanceof D3DSurfaceData) {
  47             // srcData must be a VolatileImage which either matches
  48             // our pixel format or not - either way we do not cache it...
  49             return UNCACHED;
  50         }
  51 
  52         return new D3DSurfaceDataProxy(dstConfig, srcData.getTransparency());
  53     }
  54 
  55     D3DGraphicsConfig d3dgc;
  56     int transparency;
  57 
  58     public D3DSurfaceDataProxy(D3DGraphicsConfig d3dgc, int transparency) {
  59         this.d3dgc = d3dgc;
  60         this.transparency = transparency;
  61         // REMIND: we may want to change this for the d3d pipeline, it's not
  62         // necessary to invalidate them all at once on display change
  63         activateDisplayListener();
  64     }
  65 
  66     @Override
  67     public SurfaceData validateSurfaceData(SurfaceData srcData,
  68                                            SurfaceData cachedData,
  69                                            int w, int h)
  70     {
  71         if (cachedData == null || cachedData.isSurfaceLost()) {
  72             try {
  73                 cachedData = d3dgc.createManagedSurface(w, h, transparency);
  74             } catch (InvalidPipeException e) {
  75                 if (!D3DGraphicsDevice.isD3DAvailable()) {
  76                     invalidate();
  77                     flush();
  78                     return null;
  79                 }
  80             }
  81         }
  82         return cachedData;
  83     }
  84 
  85     @Override
  86     public boolean isSupportedOperation(SurfaceData srcData,
  87                                         int txtype,
  88                                         CompositeType comp,
  89                                         Color bgColor)
  90     {
  91         return (bgColor == null || transparency == Transparency.OPAQUE);
  92     }
  93 }