1 /*
   2  * Copyright (c) 2007, 2008, 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     protected D3DGraphicsConfig(D3DGraphicsDevice device) {
  65         super(device, 0);
  66         this.device = device;
  67     }
  68 
  69     public SurfaceData createManagedSurface(int w, int h, int transparency) {
  70         return D3DSurfaceData.createData(this, w, h,
  71                                          getColorModel(transparency),
  72                                          null,
  73                                          D3DSurfaceData.TEXTURE);
  74     }
  75 
  76     @Override
  77     public synchronized void displayChanged() {
  78         super.displayChanged();
  79         // the context could hold a reference to a D3DSurfaceData, which in
  80         // turn has a reference back to this D3DGraphicsConfig, so in order
  81         // for this instance to be disposed we need to break the connection
  82         D3DRenderQueue rq = D3DRenderQueue.getInstance();
  83         rq.lock();
  84         try {
  85             D3DContext.invalidateCurrentContext();
  86         } finally {
  87             rq.unlock();
  88         }
  89     }
  90 
  91     @Override
  92     public ColorModel getColorModel(int transparency) {
  93         switch (transparency) {
  94         case Transparency.OPAQUE:
  95             // REMIND: once the ColorModel spec is changed, this should be
  96             //         an opaque premultiplied DCM...
  97             return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
  98         case Transparency.BITMASK:
  99             return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
 100         case Transparency.TRANSLUCENT:
 101             ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
 102             return new DirectColorModel(cs, 32,
 103                                         0xff0000, 0xff00, 0xff, 0xff000000,
 104                                         true, DataBuffer.TYPE_INT);
 105         default:
 106             return null;
 107         }
 108     }
 109 
 110     @Override
 111     public String toString() {
 112         return ("D3DGraphicsConfig[dev="+screen+",pixfmt="+visual+"]");
 113     }
 114 
 115     /**
 116      * The following methods are invoked from WComponentPeer.java rather
 117      * than having the Win32-dependent implementations hardcoded in that
 118      * class.  This way the appropriate actions are taken based on the peer's
 119      * GraphicsConfig, whether it is a Win32GraphicsConfig or a
 120      * D3DGraphicsConfig.
 121      */
 122 
 123     /**
 124      * Creates a new SurfaceData that will be associated with the given
 125      * WComponentPeer. D3D9 doesn't allow rendering to the screen,
 126      * so a GDI surface will be returned.
 127      */
 128     @Override
 129     public SurfaceData createSurfaceData(WComponentPeer peer,
 130                                          int numBackBuffers)
 131     {
 132         return super.createSurfaceData(peer, numBackBuffers);
 133     }
 134 
 135     /**
 136      * The following methods correspond to the multibuffering methods in
 137      * WComponentPeer.java...
 138      */
 139 
 140     /**
 141      * Checks that the requested configuration is natively supported; if not,
 142      * an AWTException is thrown.
 143      */
 144     @Override
 145     public void assertOperationSupported(Component target,
 146                                          int numBuffers,
 147                                          BufferCapabilities caps)
 148         throws AWTException
 149     {
 150         if (numBuffers < 2 || numBuffers > 4) {
 151             throw new AWTException("Only 2-4 buffers supported");
 152         }
 153         if (caps.getFlipContents() == BufferCapabilities.FlipContents.COPIED &&
 154             numBuffers != 2)
 155         {
 156             throw new AWTException("FlipContents.COPIED is only" +
 157                                    "supported for 2 buffers");
 158         }
 159     }
 160 
 161     /**
 162      * Creates a D3D-based backbuffer for the given peer and returns the
 163      * image wrapper.
 164      */
 165     @Override
 166     public VolatileImage createBackBuffer(WComponentPeer peer) {
 167         Component target = (Component)peer.getTarget();
 168         // it is possible for the component to have size 0x0, adjust it to
 169         // be at least 1x1 to avoid IAE
 170         int w = Math.max(1, target.getWidth());
 171         int h = Math.max(1, target.getHeight());
 172         return new SunVolatileImage(target, w, h, Boolean.TRUE);
 173     }
 174 
 175     /**
 176      * Performs the native D3D flip operation for the given target Component.
 177      */
 178     @Override
 179     public void flip(WComponentPeer peer,
 180                      Component target, VolatileImage backBuffer,
 181                      int x1, int y1, int x2, int y2,
 182                      BufferCapabilities.FlipContents flipAction)
 183     {
 184         // REMIND: we should actually get a surface data for the
 185         // backBuffer's VI
 186         SurfaceManager d3dvsm =
 187             SurfaceManager.getManager(backBuffer);
 188         SurfaceData sd = d3dvsm.getPrimarySurfaceData();
 189         if (sd instanceof D3DSurfaceData) {
 190             D3DSurfaceData d3dsd = (D3DSurfaceData)sd;
 191             D3DSurfaceData.swapBuffers(d3dsd, x1, y1, x2, y2);
 192         } else {
 193             // the surface was likely lost could not have been restored
 194             Graphics g = peer.getGraphics();
 195             try {
 196                 g.drawImage(backBuffer,
 197                             x1, y1, x2, y2,
 198                             x1, y1, x2, y2,
 199                             null);
 200             } finally {
 201                 g.dispose();
 202             }
 203         }
 204 
 205         if (flipAction == BufferCapabilities.FlipContents.BACKGROUND) {
 206             Graphics g = backBuffer.getGraphics();
 207             try {
 208                 g.setColor(target.getBackground());
 209                 g.fillRect(0, 0,
 210                            backBuffer.getWidth(),
 211                            backBuffer.getHeight());
 212             } finally {
 213                 g.dispose();
 214             }
 215         }
 216     }
 217 
 218     private static class D3DBufferCaps extends BufferCapabilities {
 219         public D3DBufferCaps() {
 220             // REMIND: should we indicate that the front-buffer
 221             // (the on-screen rendering) is not accelerated?
 222             super(imageCaps, imageCaps, FlipContents.UNDEFINED);
 223         }
 224         @Override
 225         public boolean isMultiBufferAvailable() {
 226             return true;
 227         }
 228 
 229     }
 230 
 231     @Override
 232     public BufferCapabilities getBufferCapabilities() {
 233         if (bufferCaps == null) {
 234             bufferCaps = new D3DBufferCaps();
 235         }
 236         return bufferCaps;
 237     }
 238 
 239     private static class D3DImageCaps extends ImageCapabilities {
 240         private D3DImageCaps() {
 241             super(true);
 242         }
 243         @Override
 244         public boolean isTrueVolatile() {
 245             return true;
 246         }
 247     }
 248 
 249     @Override
 250     public ImageCapabilities getImageCapabilities() {
 251         return imageCaps;
 252     }
 253 
 254     D3DGraphicsDevice getD3DDevice() {
 255         return device;
 256     }
 257 
 258     /**
 259      * {@inheritDoc}
 260      *
 261      * @see sun.java2d.pipe.hw.BufferedContextProvider#getContext
 262      */
 263     @Override
 264     public D3DContext getContext() {
 265         return device.getContext();
 266     }
 267 
 268     /**
 269      * {@inheritDoc}
 270      *
 271      * @see sun.java2d.pipe.hw.AccelGraphicsConfig#createCompatibleVolatileImage
 272      */
 273     @Override
 274     public VolatileImage
 275         createCompatibleVolatileImage(int width, int height,
 276                                       int transparency, int type)
 277     {
 278         if (type == FLIP_BACKBUFFER || type == WINDOW || type == UNDEFINED ||
 279             transparency == Transparency.BITMASK)
 280         {
 281             return null;
 282         }
 283         boolean isOpaque = transparency == Transparency.OPAQUE;
 284         if (type == RT_TEXTURE) {
 285             int cap = isOpaque ? CAPS_RT_TEXTURE_OPAQUE : CAPS_RT_TEXTURE_ALPHA;
 286             if (!device.isCapPresent(cap)) {
 287                 return null;
 288             }
 289         } else if (type == RT_PLAIN) {
 290             if (!isOpaque && !device.isCapPresent(CAPS_RT_PLAIN_ALPHA)) {
 291                 return null;
 292             }
 293         }
 294 
 295         SunVolatileImage vi = new AccelTypedVolatileImage(this, width, height,
 296                                                           transparency, type);
 297         Surface sd = vi.getDestSurface();
 298         if (!(sd instanceof AccelSurface) ||
 299             ((AccelSurface)sd).getType() != type)
 300         {
 301             vi.flush();
 302             vi = null;
 303         }
 304 
 305         return vi;
 306     }
 307 
 308     /**
 309      * {@inheritDoc}
 310      *
 311      * @see sun.java2d.pipe.hw.AccelGraphicsConfig#getContextCapabilities
 312      */
 313     @Override
 314     public ContextCapabilities getContextCapabilities() {
 315         return device.getContextCapabilities();
 316     }
 317 
 318     @Override
 319     public void addDeviceEventListener(AccelDeviceEventListener l) {
 320         AccelDeviceEventNotifier.addListener(l, device.getScreen());
 321     }
 322 
 323     @Override
 324     public void removeDeviceEventListener(AccelDeviceEventListener l) {
 325         AccelDeviceEventNotifier.removeListener(l);
 326     }
 327 }
--- EOF ---