1 /*
   2  * Copyright (c) 2007, 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.AWTException;
  29 import java.awt.BufferCapabilities;
  30 import java.awt.BufferCapabilities.FlipContents;
  31 import java.awt.Component;
  32 import java.awt.Graphics;
  33 import java.awt.ImageCapabilities;
  34 import java.awt.Transparency;
  35 import java.awt.color.ColorSpace;
  36 import java.awt.image.ColorModel;
  37 import java.awt.image.DataBuffer;
  38 import java.awt.image.DirectColorModel;
  39 import java.awt.image.VolatileImage;
  40 import sun.awt.Win32GraphicsConfig;
  41 import sun.awt.image.SunVolatileImage;
  42 import sun.awt.image.SurfaceManager;
  43 import sun.awt.windows.WComponentPeer;
  44 import sun.java2d.Surface;
  45 import sun.java2d.SurfaceData;
  46 import sun.java2d.pipe.hw.AccelDeviceEventNotifier;
  47 import sun.java2d.pipe.hw.AccelTypedVolatileImage;
  48 import sun.java2d.pipe.hw.AccelGraphicsConfig;
  49 import sun.java2d.pipe.hw.AccelSurface;
  50 import sun.java2d.pipe.hw.ContextCapabilities;
  51 import static sun.java2d.pipe.hw.AccelSurface.*;
  52 import static sun.java2d.d3d.D3DContext.D3DContextCaps.*;
  53 import sun.java2d.pipe.hw.AccelDeviceEventListener;
  54 
  55 public class D3DGraphicsConfig
  56     extends Win32GraphicsConfig
  57     implements AccelGraphicsConfig
  58 {
  59     private static ImageCapabilities imageCaps = new D3DImageCaps();
  60 
  61     private BufferCapabilities bufferCaps;
  62     private D3DGraphicsDevice device;
  63 
  64     @SuppressWarnings("deprecation")
  65     protected D3DGraphicsConfig(D3DGraphicsDevice device) {
  66         super(device, 0);
  67         this.device = device;
  68     }
  69 
  70     public SurfaceData createManagedSurface(int w, int h, int transparency) {
  71         return D3DSurfaceData.createData(this, w, h,
  72                                          getColorModel(transparency),
  73                                          null,
  74                                          D3DSurfaceData.TEXTURE);
  75     }
  76 
  77     @Override
  78     public synchronized void displayChanged() {
  79         super.displayChanged();
  80         // the context could hold a reference to a D3DSurfaceData, which in
  81         // turn has a reference back to this D3DGraphicsConfig, so in order
  82         // for this instance to be disposed we need to break the connection
  83         D3DRenderQueue rq = D3DRenderQueue.getInstance();
  84         rq.lock();
  85         try {
  86             D3DContext.invalidateCurrentContext();
  87         } finally {
  88             rq.unlock();
  89         }
  90     }
  91 
  92     @Override
  93     public ColorModel getColorModel(int transparency) {
  94         switch (transparency) {
  95         case Transparency.OPAQUE:
  96             // REMIND: once the ColorModel spec is changed, this should be
  97             //         an opaque premultiplied DCM...
  98             return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
  99         case Transparency.BITMASK:
 100             return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
 101         case Transparency.TRANSLUCENT:
 102             ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
 103             return new DirectColorModel(cs, 32,
 104                                         0xff0000, 0xff00, 0xff, 0xff000000,
 105                                         true, DataBuffer.TYPE_INT);
 106         default:
 107             return null;
 108         }
 109     }
 110 
 111     @Override
 112     public String toString() {
 113         return ("D3DGraphicsConfig[dev="+screen+",pixfmt="+visual+"]");
 114     }
 115 
 116     /**
 117      * The following methods are invoked from WComponentPeer.java rather
 118      * than having the Win32-dependent implementations hardcoded in that
 119      * class.  This way the appropriate actions are taken based on the peer's
 120      * GraphicsConfig, whether it is a Win32GraphicsConfig or a
 121      * D3DGraphicsConfig.
 122      */
 123 
 124     /**
 125      * Creates a new SurfaceData that will be associated with the given
 126      * WComponentPeer. D3D9 doesn't allow rendering to the screen,
 127      * so a GDI surface will be returned.
 128      */
 129     @Override
 130     public SurfaceData createSurfaceData(WComponentPeer peer,
 131                                          int numBackBuffers)
 132     {
 133         return super.createSurfaceData(peer, numBackBuffers);
 134     }
 135 
 136     /**
 137      * The following methods correspond to the multibuffering methods in
 138      * WComponentPeer.java...
 139      */
 140 
 141     /**
 142      * Checks that the requested configuration is natively supported; if not,
 143      * an AWTException is thrown.
 144      */
 145     @Override
 146     public void assertOperationSupported(Component target,
 147                                          int numBuffers,
 148                                          BufferCapabilities caps)
 149         throws AWTException
 150     {
 151         if (numBuffers < 2 || numBuffers > 4) {
 152             throw new AWTException("Only 2-4 buffers supported");
 153         }
 154         if (caps.getFlipContents() == BufferCapabilities.FlipContents.COPIED &&
 155             numBuffers != 2)
 156         {
 157             throw new AWTException("FlipContents.COPIED is only" +
 158                                    "supported for 2 buffers");
 159         }
 160     }
 161 
 162     /**
 163      * Creates a D3D-based backbuffer for the given peer and returns the
 164      * image wrapper.
 165      */
 166     @Override
 167     public VolatileImage createBackBuffer(WComponentPeer peer) {
 168         Component target = (Component)peer.getTarget();
 169         // it is possible for the component to have size 0x0, adjust it to
 170         // be at least 1x1 to avoid IAE
 171         int w = Math.max(1, target.getWidth());
 172         int h = Math.max(1, target.getHeight());
 173         return new SunVolatileImage(target, w, h, Boolean.TRUE);
 174     }
 175 
 176     /**
 177      * Performs the native D3D flip operation for the given target Component.
 178      */
 179     @Override
 180     public void flip(WComponentPeer peer,
 181                      Component target, VolatileImage backBuffer,
 182                      int x1, int y1, int x2, int y2,
 183                      BufferCapabilities.FlipContents flipAction)
 184     {
 185         // REMIND: we should actually get a surface data for the
 186         // backBuffer's VI
 187         SurfaceManager d3dvsm =
 188             SurfaceManager.getManager(backBuffer);
 189         SurfaceData sd = d3dvsm.getPrimarySurfaceData();
 190         if (sd instanceof D3DSurfaceData) {
 191             D3DSurfaceData d3dsd = (D3DSurfaceData)sd;
 192             D3DSurfaceData.swapBuffers(d3dsd, x1, y1, x2, y2);
 193         } else {
 194             // the surface was likely lost could not have been restored
 195             Graphics g = peer.getGraphics();
 196             try {
 197                 g.drawImage(backBuffer,
 198                             x1, y1, x2, y2,
 199                             x1, y1, x2, y2,
 200                             null);
 201             } finally {
 202                 g.dispose();
 203             }
 204         }
 205 
 206         if (flipAction == BufferCapabilities.FlipContents.BACKGROUND) {
 207             Graphics g = backBuffer.getGraphics();
 208             try {
 209                 g.setColor(target.getBackground());
 210                 g.fillRect(0, 0,
 211                            backBuffer.getWidth(),
 212                            backBuffer.getHeight());
 213             } finally {
 214                 g.dispose();
 215             }
 216         }
 217     }
 218 
 219     private static class D3DBufferCaps extends BufferCapabilities {
 220         public D3DBufferCaps() {
 221             // REMIND: should we indicate that the front-buffer
 222             // (the on-screen rendering) is not accelerated?
 223             super(imageCaps, imageCaps, FlipContents.UNDEFINED);
 224         }
 225         @Override
 226         public boolean isMultiBufferAvailable() {
 227             return true;
 228         }
 229 
 230     }
 231 
 232     @Override
 233     public BufferCapabilities getBufferCapabilities() {
 234         if (bufferCaps == null) {
 235             bufferCaps = new D3DBufferCaps();
 236         }
 237         return bufferCaps;
 238     }
 239 
 240     private static class D3DImageCaps extends ImageCapabilities {
 241         private D3DImageCaps() {
 242             super(true);
 243         }
 244         @Override
 245         public boolean isTrueVolatile() {
 246             return true;
 247         }
 248     }
 249 
 250     @Override
 251     public ImageCapabilities getImageCapabilities() {
 252         return imageCaps;
 253     }
 254 
 255     D3DGraphicsDevice getD3DDevice() {
 256         return device;
 257     }
 258 
 259     /**
 260      * {@inheritDoc}
 261      *
 262      * @see sun.java2d.pipe.hw.BufferedContextProvider#getContext
 263      */
 264     @Override
 265     public D3DContext getContext() {
 266         return device.getContext();
 267     }
 268 
 269     /**
 270      * {@inheritDoc}
 271      *
 272      * @see sun.java2d.pipe.hw.AccelGraphicsConfig#createCompatibleVolatileImage
 273      */
 274     @Override
 275     public VolatileImage
 276         createCompatibleVolatileImage(int width, int height,
 277                                       int transparency, int type)
 278     {
 279         if (type == FLIP_BACKBUFFER || type == WINDOW || type == UNDEFINED ||
 280             transparency == Transparency.BITMASK)
 281         {
 282             return null;
 283         }
 284         boolean isOpaque = transparency == Transparency.OPAQUE;
 285         if (type == RT_TEXTURE) {
 286             int cap = isOpaque ? CAPS_RT_TEXTURE_OPAQUE : CAPS_RT_TEXTURE_ALPHA;
 287             if (!device.isCapPresent(cap)) {
 288                 return null;
 289             }
 290         } else if (type == RT_PLAIN) {
 291             if (!isOpaque && !device.isCapPresent(CAPS_RT_PLAIN_ALPHA)) {
 292                 return null;
 293             }
 294         }
 295 
 296         SunVolatileImage vi = new AccelTypedVolatileImage(this, width, height,
 297                                                           transparency, type);
 298         Surface sd = vi.getDestSurface();
 299         if (!(sd instanceof AccelSurface) ||
 300             ((AccelSurface)sd).getType() != type)
 301         {
 302             vi.flush();
 303             vi = null;
 304         }
 305 
 306         return vi;
 307     }
 308 
 309     /**
 310      * {@inheritDoc}
 311      *
 312      * @see sun.java2d.pipe.hw.AccelGraphicsConfig#getContextCapabilities
 313      */
 314     @Override
 315     public ContextCapabilities getContextCapabilities() {
 316         return device.getContextCapabilities();
 317     }
 318 
 319     @Override
 320     public void addDeviceEventListener(AccelDeviceEventListener l) {
 321         AccelDeviceEventNotifier.addListener(l, device.getScreen());
 322     }
 323 
 324     @Override
 325     public void removeDeviceEventListener(AccelDeviceEventListener l) {
 326         AccelDeviceEventNotifier.removeListener(l);
 327     }
 328 }
--- EOF ---