jdk/src/java.desktop/windows/classes/sun/java2d/opengl/WGLSurfaceData.java
changeset 25859 3317bb8137f4
parent 5506 202f599c92aa
child 30948 0a0972d3b58d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.desktop/windows/classes/sun/java2d/opengl/WGLSurfaceData.java	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,255 @@
+/*
+ * Copyright (c) 2004, 2009, Oracle and/or its affiliates. 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.java2d.opengl;
+
+import java.awt.Component;
+import java.awt.GraphicsConfiguration;
+import java.awt.GraphicsDevice;
+import java.awt.GraphicsEnvironment;
+import java.awt.Image;
+import java.awt.Rectangle;
+import java.awt.image.ColorModel;
+import sun.awt.SunToolkit;
+import sun.awt.windows.WComponentPeer;
+import sun.java2d.SurfaceData;
+
+public abstract class WGLSurfaceData extends OGLSurfaceData {
+
+    protected WComponentPeer peer;
+    private WGLGraphicsConfig graphicsConfig;
+
+    private native void initOps(long pConfigInfo, WComponentPeer peer,
+                                long hwnd);
+    protected native boolean initPbuffer(long pData, long pConfigInfo,
+                                         boolean isOpaque,
+                                         int width, int height);
+
+    protected WGLSurfaceData(WComponentPeer peer, WGLGraphicsConfig gc,
+                             ColorModel cm, int type)
+    {
+        super(gc, cm, type);
+        this.peer = peer;
+        this.graphicsConfig = gc;
+
+        long pConfigInfo = gc.getNativeConfigInfo();
+        long hwnd = peer != null ? peer.getHWnd() : 0L;
+
+        initOps(pConfigInfo, peer, hwnd);
+    }
+
+    public GraphicsConfiguration getDeviceConfiguration() {
+        return graphicsConfig;
+    }
+
+    /**
+     * Creates a SurfaceData object representing the primary (front) buffer
+     * of an on-screen Window.
+     */
+    public static WGLWindowSurfaceData createData(WComponentPeer peer) {
+        // the OGL pipeline can render directly to the screen and interfere
+        // with layered windows, which is why we don't allow accelerated
+        // surfaces in this case
+        if (!peer.isAccelCapable() ||
+            !SunToolkit.isContainingTopLevelOpaque((Component)peer.getTarget()))
+        {
+            return null;
+        }
+        WGLGraphicsConfig gc = getGC(peer);
+        return new WGLWindowSurfaceData(peer, gc);
+    }
+
+    /**
+     * Creates a SurfaceData object representing the back buffer of a
+     * double-buffered on-screen Window.
+     */
+    public static WGLOffScreenSurfaceData createData(WComponentPeer peer,
+                                                     Image image,
+                                                     int type)
+    {
+        // the OGL pipeline can render directly to the screen and interfere
+        // with layered windows, which is why we don't allow accelerated
+        // surfaces in this case
+        if (!peer.isAccelCapable() ||
+            !SunToolkit.isContainingTopLevelOpaque((Component)peer.getTarget()))
+        {
+            return null;
+        }
+        WGLGraphicsConfig gc = getGC(peer);
+        Rectangle r = peer.getBounds();
+        if (type == FLIP_BACKBUFFER) {
+            return new WGLOffScreenSurfaceData(peer, gc, r.width, r.height,
+                                               image, peer.getColorModel(),
+                                               type);
+        } else {
+            return new WGLVSyncOffScreenSurfaceData(peer, gc, r.width, r.height,
+                                                    image, peer.getColorModel(),
+                                                    type);
+        }
+    }
+
+    /**
+     * Creates a SurfaceData object representing an off-screen buffer (either
+     * a Pbuffer or Texture).
+     */
+    public static WGLOffScreenSurfaceData createData(WGLGraphicsConfig gc,
+                                                     int width, int height,
+                                                     ColorModel cm,
+                                                     Image image, int type)
+    {
+        return new WGLOffScreenSurfaceData(null, gc, width, height,
+                                           image, cm, type);
+    }
+
+    public static WGLGraphicsConfig getGC(WComponentPeer peer) {
+        if (peer != null) {
+            return (WGLGraphicsConfig)peer.getGraphicsConfiguration();
+        } else {
+            // REMIND: this should rarely (never?) happen, but what if
+            //         default config is not WGL?
+            GraphicsEnvironment env =
+                GraphicsEnvironment.getLocalGraphicsEnvironment();
+            GraphicsDevice gd = env.getDefaultScreenDevice();
+            return (WGLGraphicsConfig)gd.getDefaultConfiguration();
+        }
+    }
+
+    public static class WGLWindowSurfaceData extends WGLSurfaceData {
+
+        public WGLWindowSurfaceData(WComponentPeer peer,
+                                    WGLGraphicsConfig gc)
+        {
+            super(peer, gc, peer.getColorModel(), WINDOW);
+        }
+
+        public SurfaceData getReplacement() {
+            return peer.getSurfaceData();
+        }
+
+        public Rectangle getBounds() {
+            Rectangle r = peer.getBounds();
+            r.x = r.y = 0;
+            return r;
+        }
+
+        /**
+         * Returns destination Component associated with this SurfaceData.
+         */
+        public Object getDestination() {
+            return peer.getTarget();
+        }
+    }
+
+    /**
+     * A surface which implements a v-synced flip back-buffer with COPIED
+     * FlipContents.
+     *
+     * This surface serves as a back-buffer to the outside world, while
+     * it is actually an offscreen surface. When the BufferStrategy this surface
+     * belongs to is showed, it is first copied to the real private
+     * FLIP_BACKBUFFER, which is then flipped.
+     */
+    public static class WGLVSyncOffScreenSurfaceData extends
+        WGLOffScreenSurfaceData
+    {
+        private WGLOffScreenSurfaceData flipSurface;
+
+        public WGLVSyncOffScreenSurfaceData(WComponentPeer peer,
+                                            WGLGraphicsConfig gc,
+                                            int width, int height,
+                                            Image image, ColorModel cm,
+                                            int type)
+        {
+            super(peer, gc, width, height, image, cm, type);
+            flipSurface = WGLSurfaceData.createData(peer, image, FLIP_BACKBUFFER);
+        }
+
+        public SurfaceData getFlipSurface() {
+            return flipSurface;
+        }
+
+        @Override
+        public void flush() {
+            flipSurface.flush();
+            super.flush();
+        }
+
+    }
+
+    public static class WGLOffScreenSurfaceData extends WGLSurfaceData {
+
+        private Image offscreenImage;
+        private int width, height;
+
+        public WGLOffScreenSurfaceData(WComponentPeer peer,
+                                       WGLGraphicsConfig gc,
+                                       int width, int height,
+                                       Image image, ColorModel cm,
+                                       int type)
+        {
+            super(peer, gc, cm, type);
+
+            this.width = width;
+            this.height = height;
+            offscreenImage = image;
+
+            initSurface(width, height);
+        }
+
+        public SurfaceData getReplacement() {
+            return restoreContents(offscreenImage);
+        }
+
+        public Rectangle getBounds() {
+            if (type == FLIP_BACKBUFFER) {
+                Rectangle r = peer.getBounds();
+                r.x = r.y = 0;
+                return r;
+            } else {
+                return new Rectangle(width, height);
+            }
+        }
+
+        /**
+         * Returns destination Image associated with this SurfaceData.
+         */
+        public Object getDestination() {
+            return offscreenImage;
+        }
+    }
+
+    /**
+     * Updates the layered window with the contents of the surface.
+     *
+     * @param psdops pointer to the native ogl sd structure
+     * @param pData pointer to the AwtWindow peer data
+     * @param w width of the window
+     * @param h height of the window
+     * @see sun.awt.windows.TranslucentWindowPainter
+     */
+    public static native boolean updateWindowAccelImpl(long psdops,
+                                                       WComponentPeer peer,
+                                                       int w, int h);
+}