src/java.desktop/macosx/classes/sun/java2d/opengl/CGLSurfaceData.java
changeset 47216 71c04702a3d5
parent 36874 09abfda883d2
child 58315 07556f8cd819
child 58678 9cf78a70fa4f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/macosx/classes/sun/java2d/opengl/CGLSurfaceData.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,383 @@
+/*
+ * Copyright (c) 2011, 2015, 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.Graphics;
+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.java2d.SunGraphics2D;
+import sun.java2d.SurfaceData;
+
+import sun.lwawt.macosx.CPlatformView;
+
+public abstract class CGLSurfaceData extends OGLSurfaceData {
+
+    protected final int scale;
+    protected final int width;
+    protected final int height;
+    protected CPlatformView pView;
+    private CGLGraphicsConfig graphicsConfig;
+
+    native void validate(int xoff, int yoff, int width, int height, boolean isOpaque);
+
+    private native void initOps(long pConfigInfo, long pPeerData, long layerPtr,
+                                int xoff, int yoff, boolean isOpaque);
+
+    protected CGLSurfaceData(CGLGraphicsConfig gc, ColorModel cm, int type,
+                             int width, int height) {
+        super(gc, cm, type);
+        // TEXTURE shouldn't be scaled, it is used for managed BufferedImages.
+        scale = type == TEXTURE ? 1 : gc.getDevice().getScaleFactor();
+        this.width = width * scale;
+        this.height = height * scale;
+    }
+
+    protected CGLSurfaceData(CPlatformView pView, CGLGraphicsConfig gc,
+                             ColorModel cm, int type,int width, int height)
+    {
+        this(gc, cm, type, width, height);
+        this.pView = pView;
+        this.graphicsConfig = gc;
+
+        long pConfigInfo = gc.getNativeConfigInfo();
+        long pPeerData = 0L;
+        boolean isOpaque = true;
+        if (pView != null) {
+            pPeerData = pView.getAWTView();
+            isOpaque = pView.isOpaque();
+        }
+        initOps(pConfigInfo, pPeerData, 0, 0, 0, isOpaque);
+    }
+
+    protected CGLSurfaceData(CGLLayer layer, CGLGraphicsConfig gc,
+                             ColorModel cm, int type,int width, int height)
+    {
+        this(gc, cm, type, width, height);
+        this.graphicsConfig = gc;
+
+        long pConfigInfo = gc.getNativeConfigInfo();
+        long layerPtr = 0L;
+        boolean isOpaque = true;
+        if (layer != null) {
+            layerPtr = layer.getPointer();
+            isOpaque = layer.isOpaque();
+        }
+        initOps(pConfigInfo, 0, layerPtr, 0, 0, isOpaque);
+    }
+
+    @Override //SurfaceData
+    public GraphicsConfiguration getDeviceConfiguration() {
+        return graphicsConfig;
+    }
+
+    /**
+     * Creates a SurfaceData object representing the primary (front) buffer of
+     * an on-screen Window.
+     */
+    public static CGLWindowSurfaceData createData(CPlatformView pView) {
+        CGLGraphicsConfig gc = getGC(pView);
+        return new CGLWindowSurfaceData(pView, gc);
+    }
+
+    /**
+     * Creates a SurfaceData object representing the intermediate buffer
+     * between the Java2D flusher thread and the AppKit thread.
+     */
+    public static CGLLayerSurfaceData createData(CGLLayer layer) {
+        CGLGraphicsConfig gc = getGC(layer);
+        Rectangle r = layer.getBounds();
+        return new CGLLayerSurfaceData(layer, gc, r.width, r.height);
+    }
+
+    /**
+     * Creates a SurfaceData object representing the back buffer of a
+     * double-buffered on-screen Window.
+     */
+    public static CGLOffScreenSurfaceData createData(CPlatformView pView,
+            Image image, int type) {
+        CGLGraphicsConfig gc = getGC(pView);
+        Rectangle r = pView.getBounds();
+        if (type == FLIP_BACKBUFFER) {
+            return new CGLOffScreenSurfaceData(pView, gc, r.width, r.height,
+                    image, gc.getColorModel(), FLIP_BACKBUFFER);
+        } else {
+            return new CGLVSyncOffScreenSurfaceData(pView, gc, r.width,
+                    r.height, image, gc.getColorModel(), type);
+        }
+    }
+
+    /**
+     * Creates a SurfaceData object representing an off-screen buffer (either a
+     * FBO or Texture).
+     */
+    public static CGLOffScreenSurfaceData createData(CGLGraphicsConfig gc,
+            int width, int height, ColorModel cm, Image image, int type) {
+        return new CGLOffScreenSurfaceData(null, gc, width, height, image, cm,
+                type);
+    }
+
+    public static CGLGraphicsConfig getGC(CPlatformView pView) {
+        if (pView != null) {
+            return (CGLGraphicsConfig)pView.getGraphicsConfiguration();
+        } else {
+            // REMIND: this should rarely (never?) happen, but what if
+            // default config is not CGL?
+            GraphicsEnvironment env = GraphicsEnvironment
+                .getLocalGraphicsEnvironment();
+            GraphicsDevice gd = env.getDefaultScreenDevice();
+            return (CGLGraphicsConfig) gd.getDefaultConfiguration();
+        }
+    }
+
+    public static CGLGraphicsConfig getGC(CGLLayer layer) {
+        return (CGLGraphicsConfig)layer.getGraphicsConfiguration();
+    }
+
+    public void validate() {
+        // Overridden in CGLWindowSurfaceData below
+    }
+
+    @Override
+    public double getDefaultScaleX() {
+        return scale;
+    }
+
+    @Override
+    public double getDefaultScaleY() {
+        return scale;
+    }
+
+    protected native void clearWindow();
+
+    public static class CGLWindowSurfaceData extends CGLSurfaceData {
+
+        public CGLWindowSurfaceData(CPlatformView pView,
+                CGLGraphicsConfig gc) {
+            super(pView, gc, gc.getColorModel(), WINDOW, 0, 0);
+        }
+
+        @Override
+        public SurfaceData getReplacement() {
+            return pView.getSurfaceData();
+        }
+
+        @Override
+        public Rectangle getBounds() {
+            Rectangle r = pView.getBounds();
+            return new Rectangle(0, 0, r.width, r.height);
+        }
+
+        /**
+         * Returns destination Component associated with this SurfaceData.
+         */
+        @Override
+        public Object getDestination() {
+            return pView.getDestination();
+        }
+
+        public void validate() {
+            OGLRenderQueue rq = OGLRenderQueue.getInstance();
+            rq.lock();
+            try {
+                rq.flushAndInvokeNow(new Runnable() {
+                    public void run() {
+                        Rectangle peerBounds = pView.getBounds();
+                        validate(0, 0, peerBounds.width, peerBounds.height, pView.isOpaque());
+                    }
+                });
+            } finally {
+                rq.unlock();
+            }
+        }
+
+        @Override
+        public void invalidate() {
+            super.invalidate();
+            clearWindow();
+        }
+    }
+
+    /**
+     * A surface which implements an intermediate buffer between
+     * the Java2D flusher thread and the AppKit thread.
+     *
+     * This surface serves as a buffer attached to a CGLLayer and
+     * the layer redirects all painting to the buffer's graphics.
+     */
+    public static class CGLLayerSurfaceData extends CGLSurfaceData {
+
+        private CGLLayer layer;
+
+        public CGLLayerSurfaceData(CGLLayer layer, CGLGraphicsConfig gc,
+                                   int width, int height) {
+            super(layer, gc, gc.getColorModel(), FBOBJECT, width, height);
+            this.layer = layer;
+            initSurface(this.width, this.height);
+        }
+
+        @Override
+        public SurfaceData getReplacement() {
+            return layer.getSurfaceData();
+        }
+
+        @Override
+        boolean isOnScreen() {
+            return true;
+        }
+
+        @Override
+        public Rectangle getBounds() {
+            return new Rectangle(width, height);
+        }
+
+        @Override
+        public Object getDestination() {
+            return layer.getDestination();
+        }
+
+        @Override
+        public int getTransparency() {
+            return layer.getTransparency();
+        }
+
+        @Override
+        public void invalidate() {
+            super.invalidate();
+            clearWindow();
+        }
+    }
+
+    /**
+     * 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 CGLVSyncOffScreenSurfaceData extends
+            CGLOffScreenSurfaceData {
+        private CGLOffScreenSurfaceData flipSurface;
+
+        public CGLVSyncOffScreenSurfaceData(CPlatformView pView,
+                CGLGraphicsConfig gc, int width, int height, Image image,
+                ColorModel cm, int type) {
+            super(pView, gc, width, height, image, cm, type);
+            flipSurface = CGLSurfaceData.createData(pView, image,
+                    FLIP_BACKBUFFER);
+        }
+
+        public SurfaceData getFlipSurface() {
+            return flipSurface;
+        }
+
+        @Override
+        public void flush() {
+            flipSurface.flush();
+            super.flush();
+        }
+    }
+
+    public static class CGLOffScreenSurfaceData extends CGLSurfaceData {
+        private Image offscreenImage;
+
+        public CGLOffScreenSurfaceData(CPlatformView pView,
+                                       CGLGraphicsConfig gc, int width, int height, Image image,
+                                       ColorModel cm, int type) {
+            super(pView, gc, cm, type, width, height);
+            offscreenImage = image;
+            initSurface(this.width, this.height);
+        }
+
+        @Override
+        public SurfaceData getReplacement() {
+            return restoreContents(offscreenImage);
+        }
+
+        @Override
+        public Rectangle getBounds() {
+            if (type == FLIP_BACKBUFFER) {
+                Rectangle r = pView.getBounds();
+                return new Rectangle(0, 0, r.width, r.height);
+            } else {
+                return new Rectangle(width, height);
+            }
+        }
+
+        /**
+         * Returns destination Image associated with this SurfaceData.
+         */
+        @Override
+        public Object getDestination() {
+            return offscreenImage;
+        }
+    }
+
+    // Mac OS X specific APIs for JOGL/Java2D bridge...
+
+    // given a surface create and attach GL context, then return it
+    private static native long createCGLContextOnSurface(CGLSurfaceData sd,
+            long sharedContext);
+
+    public static long createOGLContextOnSurface(Graphics g, long sharedContext) {
+        SurfaceData sd = ((SunGraphics2D) g).surfaceData;
+        if ((sd instanceof CGLSurfaceData) == true) {
+            CGLSurfaceData cglsd = (CGLSurfaceData) sd;
+            return createCGLContextOnSurface(cglsd, sharedContext);
+        } else {
+            return 0L;
+        }
+    }
+
+    // returns whether or not the makeCurrent operation succeeded
+    static native boolean makeCGLContextCurrentOnSurface(CGLSurfaceData sd,
+            long ctx);
+
+    public static boolean makeOGLContextCurrentOnSurface(Graphics g, long ctx) {
+        SurfaceData sd = ((SunGraphics2D) g).surfaceData;
+        if ((ctx != 0L) && ((sd instanceof CGLSurfaceData) == true)) {
+            CGLSurfaceData cglsd = (CGLSurfaceData) sd;
+            return makeCGLContextCurrentOnSurface(cglsd, ctx);
+        } else {
+            return false;
+        }
+    }
+
+    // additional cleanup
+    private static native void destroyCGLContext(long ctx);
+
+    public static void destroyOGLContext(long ctx) {
+        if (ctx != 0L) {
+            destroyCGLContext(ctx);
+        }
+    }
+}