468 lines
16 KiB
Java
468 lines
16 KiB
Java
/*
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* Copyright (c) 2004, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.java2d.opengl;
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import java.awt.AWTException;
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import java.awt.BufferCapabilities;
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import java.awt.Color;
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import java.awt.Component;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.ImageCapabilities;
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import java.awt.Transparency;
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import java.awt.color.ColorSpace;
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import java.awt.image.ColorModel;
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import java.awt.image.DataBuffer;
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import java.awt.image.DirectColorModel;
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import java.awt.image.VolatileImage;
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import sun.awt.Win32GraphicsConfig;
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import sun.awt.Win32GraphicsDevice;
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import sun.awt.image.SunVolatileImage;
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import sun.awt.image.SurfaceManager;
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import sun.awt.windows.WComponentPeer;
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import sun.java2d.Disposer;
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import sun.java2d.DisposerRecord;
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import sun.java2d.SunGraphics2D;
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import sun.java2d.Surface;
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import sun.java2d.SurfaceData;
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import sun.java2d.pipe.hw.AccelSurface;
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import sun.java2d.pipe.hw.AccelTypedVolatileImage;
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import sun.java2d.pipe.hw.ContextCapabilities;
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import static sun.java2d.opengl.OGLContext.OGLContextCaps.*;
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import static sun.java2d.opengl.WGLSurfaceData.*;
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import sun.java2d.opengl.OGLContext.OGLContextCaps;
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import sun.java2d.pipe.hw.AccelDeviceEventListener;
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import sun.java2d.pipe.hw.AccelDeviceEventNotifier;
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import sun.java2d.windows.GDIWindowSurfaceData;
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public class WGLGraphicsConfig
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extends Win32GraphicsConfig
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implements OGLGraphicsConfig
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{
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protected static boolean wglAvailable;
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private static ImageCapabilities imageCaps = new WGLImageCaps();
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private BufferCapabilities bufferCaps;
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private long pConfigInfo;
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private ContextCapabilities oglCaps;
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private OGLContext context;
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private Object disposerReferent = new Object();
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public static native int getDefaultPixFmt(int screennum);
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private static native boolean initWGL();
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private static native long getWGLConfigInfo(int screennum, int visualnum);
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private static native int getOGLCapabilities(long configInfo);
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static {
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wglAvailable = initWGL();
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}
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protected WGLGraphicsConfig(Win32GraphicsDevice device, int visualnum,
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long configInfo, ContextCapabilities oglCaps)
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{
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super(device, visualnum);
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this.pConfigInfo = configInfo;
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this.oglCaps = oglCaps;
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context = new OGLContext(OGLRenderQueue.getInstance(), this);
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// add a record to the Disposer so that we destroy the native
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// WGLGraphicsConfigInfo data when this object goes away
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Disposer.addRecord(disposerReferent,
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new WGLGCDisposerRecord(pConfigInfo,
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device.getScreen()));
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}
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public Object getProxyKey() {
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return this;
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}
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public SurfaceData createManagedSurface(int w, int h, int transparency) {
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return WGLSurfaceData.createData(this, w, h,
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getColorModel(transparency),
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null,
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OGLSurfaceData.TEXTURE);
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}
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public static WGLGraphicsConfig getConfig(Win32GraphicsDevice device,
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int pixfmt)
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{
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if (!wglAvailable) {
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return null;
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}
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long cfginfo = 0;
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final String ids[] = new String[1];
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OGLRenderQueue rq = OGLRenderQueue.getInstance();
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rq.lock();
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try {
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// getWGLConfigInfo() creates and destroys temporary
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// surfaces/contexts, so we should first invalidate the current
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// Java-level context and flush the queue...
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OGLContext.invalidateCurrentContext();
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WGLGetConfigInfo action =
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new WGLGetConfigInfo(device.getScreen(), pixfmt);
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rq.flushAndInvokeNow(action);
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cfginfo = action.getConfigInfo();
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if (cfginfo != 0L) {
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OGLContext.setScratchSurface(cfginfo);
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rq.flushAndInvokeNow(new Runnable() {
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public void run() {
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ids[0] = OGLContext.getOGLIdString();
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}
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});
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}
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} finally {
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rq.unlock();
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}
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if (cfginfo == 0) {
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return null;
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}
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int oglCaps = getOGLCapabilities(cfginfo);
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ContextCapabilities caps = new OGLContextCaps(oglCaps, ids[0]);
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return new WGLGraphicsConfig(device, pixfmt, cfginfo, caps);
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}
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/**
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* This is a small helper class that allows us to execute
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* getWGLConfigInfo() on the queue flushing thread.
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*/
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private static class WGLGetConfigInfo implements Runnable {
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private int screen;
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private int pixfmt;
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private long cfginfo;
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private WGLGetConfigInfo(int screen, int pixfmt) {
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this.screen = screen;
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this.pixfmt = pixfmt;
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}
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public void run() {
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cfginfo = getWGLConfigInfo(screen, pixfmt);
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}
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public long getConfigInfo() {
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return cfginfo;
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}
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}
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public static boolean isWGLAvailable() {
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return wglAvailable;
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}
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/**
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* Returns true if the provided capability bit is present for this config.
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* See OGLContext.java for a list of supported capabilities.
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*/
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@Override
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public final boolean isCapPresent(int cap) {
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return ((oglCaps.getCaps() & cap) != 0);
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}
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@Override
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public final long getNativeConfigInfo() {
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return pConfigInfo;
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}
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/**
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* {@inheritDoc}
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*
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* @see sun.java2d.pipe.hw.BufferedContextProvider#getContext
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*/
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@Override
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public final OGLContext getContext() {
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return context;
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}
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private static class WGLGCDisposerRecord implements DisposerRecord {
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private long pCfgInfo;
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private int screen;
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public WGLGCDisposerRecord(long pCfgInfo, int screen) {
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this.pCfgInfo = pCfgInfo;
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}
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public void dispose() {
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OGLRenderQueue rq = OGLRenderQueue.getInstance();
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rq.lock();
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try {
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rq.flushAndInvokeNow(new Runnable() {
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public void run() {
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AccelDeviceEventNotifier.
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eventOccured(screen,
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AccelDeviceEventNotifier.DEVICE_RESET);
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AccelDeviceEventNotifier.
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eventOccured(screen,
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AccelDeviceEventNotifier.DEVICE_DISPOSED);
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}
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});
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} finally {
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rq.unlock();
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}
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if (pCfgInfo != 0) {
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OGLRenderQueue.disposeGraphicsConfig(pCfgInfo);
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pCfgInfo = 0;
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}
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}
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}
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@Override
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public synchronized void displayChanged() {
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super.displayChanged();
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// the context could hold a reference to a WGLSurfaceData, which in
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// turn has a reference back to this WGLGraphicsConfig, so in order
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// for this instance to be disposed we need to break the connection
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OGLRenderQueue rq = OGLRenderQueue.getInstance();
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rq.lock();
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try {
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OGLContext.invalidateCurrentContext();
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} finally {
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rq.unlock();
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}
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}
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@Override
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public ColorModel getColorModel(int transparency) {
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switch (transparency) {
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case Transparency.OPAQUE:
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// REMIND: once the ColorModel spec is changed, this should be
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// an opaque premultiplied DCM...
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return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
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case Transparency.BITMASK:
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return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
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case Transparency.TRANSLUCENT:
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ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
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return new DirectColorModel(cs, 32,
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0xff0000, 0xff00, 0xff, 0xff000000,
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true, DataBuffer.TYPE_INT);
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default:
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return null;
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}
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}
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@Override
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public String toString() {
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return ("WGLGraphicsConfig[dev="+screen+",pixfmt="+visual+"]");
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}
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/**
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* The following methods are invoked from WComponentPeer.java rather
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* than having the Win32-dependent implementations hardcoded in that
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* class. This way the appropriate actions are taken based on the peer's
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* GraphicsConfig, whether it is a Win32GraphicsConfig or a
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* WGLGraphicsConfig.
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*/
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/**
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* Creates a new SurfaceData that will be associated with the given
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* WComponentPeer.
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*/
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@Override
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public SurfaceData createSurfaceData(WComponentPeer peer,
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int numBackBuffers)
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{
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SurfaceData sd = WGLSurfaceData.createData(peer);
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if (sd == null) {
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sd = GDIWindowSurfaceData.createData(peer);
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}
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return sd;
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}
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/**
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* The following methods correspond to the multibuffering methods in
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* WComponentPeer.java...
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*/
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/**
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* Checks that the requested configuration is natively supported; if not,
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* an AWTException is thrown.
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*/
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@Override
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public void assertOperationSupported(Component target,
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int numBuffers,
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BufferCapabilities caps)
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throws AWTException
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{
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if (numBuffers > 2) {
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throw new AWTException(
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"Only double or single buffering is supported");
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}
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BufferCapabilities configCaps = getBufferCapabilities();
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if (!configCaps.isPageFlipping()) {
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throw new AWTException("Page flipping is not supported");
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}
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if (caps.getFlipContents() == BufferCapabilities.FlipContents.PRIOR) {
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throw new AWTException("FlipContents.PRIOR is not supported");
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}
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}
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/**
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* Creates a WGL-based backbuffer for the given peer and returns the
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* image wrapper.
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*/
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@Override
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public VolatileImage createBackBuffer(WComponentPeer peer) {
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Component target = (Component)peer.getTarget();
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// it is possible for the component to have size 0x0, adjust it to
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// be at least 1x1 to avoid IAE
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int w = Math.max(1, target.getWidth());
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int h = Math.max(1, target.getHeight());
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return new SunVolatileImage(target,
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w, h,
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Boolean.TRUE);
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}
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/**
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* Performs the native WGL flip operation for the given target Component.
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*/
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@Override
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public void flip(WComponentPeer peer,
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Component target, VolatileImage backBuffer,
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int x1, int y1, int x2, int y2,
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BufferCapabilities.FlipContents flipAction)
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{
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if (flipAction == BufferCapabilities.FlipContents.COPIED) {
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SurfaceManager vsm = SurfaceManager.getManager(backBuffer);
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SurfaceData sd = vsm.getPrimarySurfaceData();
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if (sd instanceof WGLVSyncOffScreenSurfaceData) {
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WGLVSyncOffScreenSurfaceData vsd =
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(WGLVSyncOffScreenSurfaceData)sd;
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SurfaceData bbsd = vsd.getFlipSurface();
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Graphics2D bbg =
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new SunGraphics2D(bbsd, Color.black, Color.white, null);
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try {
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bbg.drawImage(backBuffer, 0, 0, null);
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} finally {
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bbg.dispose();
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}
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} else {
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Graphics g = peer.getGraphics();
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try {
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g.drawImage(backBuffer,
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x1, y1, x2, y2,
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x1, y1, x2, y2,
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null);
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} finally {
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g.dispose();
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}
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return;
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}
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} else if (flipAction == BufferCapabilities.FlipContents.PRIOR) {
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// not supported by WGL...
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return;
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}
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OGLSurfaceData.swapBuffers(peer.getData());
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if (flipAction == BufferCapabilities.FlipContents.BACKGROUND) {
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Graphics g = backBuffer.getGraphics();
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try {
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g.setColor(target.getBackground());
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g.fillRect(0, 0,
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backBuffer.getWidth(),
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backBuffer.getHeight());
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} finally {
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g.dispose();
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}
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}
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}
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private static class WGLBufferCaps extends BufferCapabilities {
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public WGLBufferCaps(boolean dblBuf) {
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super(imageCaps, imageCaps,
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dblBuf ? FlipContents.UNDEFINED : null);
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}
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}
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@Override
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public BufferCapabilities getBufferCapabilities() {
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if (bufferCaps == null) {
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boolean dblBuf = isCapPresent(CAPS_DOUBLEBUFFERED);
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bufferCaps = new WGLBufferCaps(dblBuf);
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}
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return bufferCaps;
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}
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private static class WGLImageCaps extends ImageCapabilities {
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private WGLImageCaps() {
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super(true);
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}
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public boolean isTrueVolatile() {
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return true;
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}
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}
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@Override
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public ImageCapabilities getImageCapabilities() {
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return imageCaps;
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}
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/**
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* {@inheritDoc}
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*
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* @see sun.java2d.pipe.hw.AccelGraphicsConfig#createCompatibleVolatileImage
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*/
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@Override
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public VolatileImage
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createCompatibleVolatileImage(int width, int height,
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int transparency, int type)
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{
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if ((type != FBOBJECT && type != TEXTURE)
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|| transparency == Transparency.BITMASK
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|| type == FBOBJECT && !isCapPresent(CAPS_EXT_FBOBJECT)) {
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return null;
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}
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SunVolatileImage vi = new AccelTypedVolatileImage(this, width, height,
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transparency, type);
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Surface sd = vi.getDestSurface();
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if (!(sd instanceof AccelSurface) ||
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((AccelSurface)sd).getType() != type)
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{
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vi.flush();
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vi = null;
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}
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return vi;
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}
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/**
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* {@inheritDoc}
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*
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* @see sun.java2d.pipe.hw.AccelGraphicsConfig#getContextCapabilities
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*/
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@Override
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public ContextCapabilities getContextCapabilities() {
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return oglCaps;
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}
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@Override
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public void addDeviceEventListener(AccelDeviceEventListener l) {
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AccelDeviceEventNotifier.addListener(l, screen.getScreen());
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}
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@Override
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public void removeDeviceEventListener(AccelDeviceEventListener l) {
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AccelDeviceEventNotifier.removeListener(l);
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}
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}
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