jdk/src/windows/classes/sun/java2d/d3d/D3DGraphicsConfig.java
changeset 887 0aab8d3fa11a
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/windows/classes/sun/java2d/d3d/D3DGraphicsConfig.java	Fri Jul 18 10:48:44 2008 -0700
@@ -0,0 +1,327 @@
+/*
+ * Copyright 2007-2008 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.java2d.d3d;
+
+import java.awt.AWTException;
+import java.awt.BufferCapabilities;
+import java.awt.BufferCapabilities.FlipContents;
+import java.awt.Component;
+import java.awt.Graphics;
+import java.awt.ImageCapabilities;
+import java.awt.Transparency;
+import java.awt.color.ColorSpace;
+import java.awt.image.ColorModel;
+import java.awt.image.DataBuffer;
+import java.awt.image.DirectColorModel;
+import java.awt.image.VolatileImage;
+import sun.awt.Win32GraphicsConfig;
+import sun.awt.image.SunVolatileImage;
+import sun.awt.image.SurfaceManager;
+import sun.awt.windows.WComponentPeer;
+import sun.java2d.Surface;
+import sun.java2d.SurfaceData;
+import sun.java2d.pipe.hw.AccelDeviceEventNotifier;
+import sun.java2d.pipe.hw.AccelTypedVolatileImage;
+import sun.java2d.pipe.hw.AccelGraphicsConfig;
+import sun.java2d.pipe.hw.AccelSurface;
+import sun.java2d.pipe.hw.ContextCapabilities;
+import static sun.java2d.pipe.hw.AccelSurface.*;
+import static sun.java2d.d3d.D3DContext.D3DContextCaps.*;
+import sun.java2d.pipe.hw.AccelDeviceEventListener;
+
+public class D3DGraphicsConfig
+    extends Win32GraphicsConfig
+    implements AccelGraphicsConfig
+{
+    private static ImageCapabilities imageCaps = new D3DImageCaps();
+
+    private BufferCapabilities bufferCaps;
+    private D3DGraphicsDevice device;
+
+    protected D3DGraphicsConfig(D3DGraphicsDevice device) {
+        super(device, 0);
+        this.device = device;
+    }
+
+    public SurfaceData createManagedSurface(int w, int h, int transparency) {
+        return D3DSurfaceData.createData(this, w, h,
+                                         getColorModel(transparency),
+                                         null,
+                                         D3DSurfaceData.TEXTURE);
+    }
+
+    @Override
+    public synchronized void displayChanged() {
+        super.displayChanged();
+        // the context could hold a reference to a D3DSurfaceData, which in
+        // turn has a reference back to this D3DGraphicsConfig, so in order
+        // for this instance to be disposed we need to break the connection
+        D3DRenderQueue rq = D3DRenderQueue.getInstance();
+        rq.lock();
+        try {
+            D3DContext.invalidateCurrentContext();
+        } finally {
+            rq.unlock();
+        }
+    }
+
+    @Override
+    public ColorModel getColorModel(int transparency) {
+        switch (transparency) {
+        case Transparency.OPAQUE:
+            // REMIND: once the ColorModel spec is changed, this should be
+            //         an opaque premultiplied DCM...
+            return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
+        case Transparency.BITMASK:
+            return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
+        case Transparency.TRANSLUCENT:
+            ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
+            return new DirectColorModel(cs, 32,
+                                        0xff0000, 0xff00, 0xff, 0xff000000,
+                                        true, DataBuffer.TYPE_INT);
+        default:
+            return null;
+        }
+    }
+
+    @Override
+    public String toString() {
+        return ("D3DGraphicsConfig[dev="+screen+",pixfmt="+visual+"]");
+    }
+
+    /**
+     * The following methods are invoked from WComponentPeer.java rather
+     * than having the Win32-dependent implementations hardcoded in that
+     * class.  This way the appropriate actions are taken based on the peer's
+     * GraphicsConfig, whether it is a Win32GraphicsConfig or a
+     * D3DGraphicsConfig.
+     */
+
+    /**
+     * Creates a new SurfaceData that will be associated with the given
+     * WComponentPeer. D3D9 doesn't allow rendering to the screen,
+     * so a GDI surface will be returned.
+     */
+    @Override
+    public SurfaceData createSurfaceData(WComponentPeer peer,
+                                         int numBackBuffers)
+    {
+        return super.createSurfaceData(peer, numBackBuffers);
+    }
+
+    /**
+     * The following methods correspond to the multibuffering methods in
+     * WComponentPeer.java...
+     */
+
+    /**
+     * Checks that the requested configuration is natively supported; if not,
+     * an AWTException is thrown.
+     */
+    @Override
+    public void assertOperationSupported(Component target,
+                                         int numBuffers,
+                                         BufferCapabilities caps)
+        throws AWTException
+    {
+        if (numBuffers < 2 || numBuffers > 4) {
+            throw new AWTException("Only 2-4 buffers supported");
+        }
+        if (caps.getFlipContents() == BufferCapabilities.FlipContents.COPIED &&
+            numBuffers != 2)
+        {
+            throw new AWTException("FlipContents.COPIED is only" +
+                                   "supported for 2 buffers");
+        }
+    }
+
+    /**
+     * Creates a D3D-based backbuffer for the given peer and returns the
+     * image wrapper.
+     */
+    @Override
+    public VolatileImage createBackBuffer(WComponentPeer peer) {
+        Component target = (Component)peer.getTarget();
+        // it is possible for the component to have size 0x0, adjust it to
+        // be at least 1x1 to avoid IAE
+        int w = Math.max(1, target.getWidth());
+        int h = Math.max(1, target.getHeight());
+        return new SunVolatileImage(target, w, h, Boolean.TRUE);
+    }
+
+    /**
+     * Performs the native D3D flip operation for the given target Component.
+     */
+    @Override
+    public void flip(WComponentPeer peer,
+                     Component target, VolatileImage backBuffer,
+                     int x1, int y1, int x2, int y2,
+                     BufferCapabilities.FlipContents flipAction)
+    {
+        // REMIND: we should actually get a surface data for the
+        // backBuffer's VI
+        SurfaceManager d3dvsm =
+            SurfaceManager.getManager(backBuffer);
+        SurfaceData sd = d3dvsm.getPrimarySurfaceData();
+        if (sd instanceof D3DSurfaceData) {
+            D3DSurfaceData d3dsd = (D3DSurfaceData)sd;
+            D3DSurfaceData.swapBuffers(d3dsd, x1, y1, x2, y2);
+        } else {
+            // the surface was likely lost could not have been restored
+            Graphics g = peer.getGraphics();
+            try {
+                g.drawImage(backBuffer,
+                            x1, y1, x2, y2,
+                            x1, y1, x2, y2,
+                            null);
+            } finally {
+                g.dispose();
+            }
+        }
+
+        if (flipAction == BufferCapabilities.FlipContents.BACKGROUND) {
+            Graphics g = backBuffer.getGraphics();
+            try {
+                g.setColor(target.getBackground());
+                g.fillRect(0, 0,
+                           backBuffer.getWidth(),
+                           backBuffer.getHeight());
+            } finally {
+                g.dispose();
+            }
+        }
+    }
+
+    private static class D3DBufferCaps extends BufferCapabilities {
+        public D3DBufferCaps() {
+            // REMIND: should we indicate that the front-buffer
+            // (the on-screen rendering) is not accelerated?
+            super(imageCaps, imageCaps, FlipContents.UNDEFINED);
+        }
+        @Override
+        public boolean isMultiBufferAvailable() {
+            return true;
+        }
+
+    }
+
+    @Override
+    public BufferCapabilities getBufferCapabilities() {
+        if (bufferCaps == null) {
+            bufferCaps = new D3DBufferCaps();
+        }
+        return bufferCaps;
+    }
+
+    private static class D3DImageCaps extends ImageCapabilities {
+        private D3DImageCaps() {
+            super(true);
+        }
+        @Override
+        public boolean isTrueVolatile() {
+            return true;
+        }
+    }
+
+    @Override
+    public ImageCapabilities getImageCapabilities() {
+        return imageCaps;
+    }
+
+    D3DGraphicsDevice getD3DDevice() {
+        return device;
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * @see sun.java2d.pipe.hw.BufferedContextProvider#getContext
+     */
+    @Override
+    public D3DContext getContext() {
+        return device.getContext();
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * @see sun.java2d.pipe.hw.AccelGraphicsConfig#createCompatibleVolatileImage
+     */
+    @Override
+    public VolatileImage
+        createCompatibleVolatileImage(int width, int height,
+                                      int transparency, int type)
+    {
+        if (type == FLIP_BACKBUFFER || type == WINDOW || type == UNDEFINED ||
+            transparency == Transparency.BITMASK)
+        {
+            return null;
+        }
+        boolean isOpaque = transparency == Transparency.OPAQUE;
+        if (type == RT_TEXTURE) {
+            int cap = isOpaque ? CAPS_RT_TEXTURE_OPAQUE : CAPS_RT_TEXTURE_ALPHA;
+            if (!device.isCapPresent(cap)) {
+                return null;
+            }
+        } else if (type == RT_PLAIN) {
+            if (!isOpaque && !device.isCapPresent(CAPS_RT_PLAIN_ALPHA)) {
+                return null;
+            }
+        }
+
+        SunVolatileImage vi = new AccelTypedVolatileImage(this, width, height,
+                                                          transparency, type);
+        Surface sd = vi.getDestSurface();
+        if (!(sd instanceof AccelSurface) ||
+            ((AccelSurface)sd).getType() != type)
+        {
+            vi.flush();
+            vi = null;
+        }
+
+        return vi;
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * @see sun.java2d.pipe.hw.AccelGraphicsConfig#getContextCapabilities
+     */
+    @Override
+    public ContextCapabilities getContextCapabilities() {
+        return device.getContextCapabilities();
+    }
+
+    @Override
+    public void addDeviceEventListener(AccelDeviceEventListener l) {
+        AccelDeviceEventNotifier.addListener(l, device.getScreen());
+    }
+
+    @Override
+    public void removeDeviceEventListener(AccelDeviceEventListener l) {
+        AccelDeviceEventNotifier.removeListener(l);
+    }
+}