--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/windows/classes/sun/java2d/opengl/WGLGraphicsConfig.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,341 @@
+/*
+ * Copyright 2004-2007 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.opengl;
+
+import java.awt.AWTException;
+import java.awt.BufferCapabilities;
+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.Win32GraphicsDevice;
+import sun.awt.image.SunVolatileImage;
+import sun.awt.windows.WComponentPeer;
+import sun.java2d.Disposer;
+import sun.java2d.DisposerRecord;
+import sun.java2d.SurfaceData;
+
+public class WGLGraphicsConfig
+ extends Win32GraphicsConfig
+ implements OGLGraphicsConfig
+{
+ protected static boolean wglAvailable;
+ private static ImageCapabilities imageCaps = new WGLImageCaps();
+
+ private BufferCapabilities bufferCaps;
+ private long pConfigInfo;
+ private int oglCaps;
+ private OGLContext context;
+ private Object disposerReferent = new Object();
+
+ public static native int getDefaultPixFmt(int screennum);
+ private static native boolean initWGL();
+ private static native long getWGLConfigInfo(int screennum, int visualnum);
+ private static native int getOGLCapabilities(long configInfo);
+
+ static {
+ wglAvailable = initWGL();
+ }
+
+ protected WGLGraphicsConfig(Win32GraphicsDevice device, int visualnum,
+ long configInfo, int oglCaps)
+ {
+ super(device, visualnum);
+ this.pConfigInfo = configInfo;
+ this.oglCaps = oglCaps;
+ context = new OGLContext(OGLRenderQueue.getInstance());
+
+ // add a record to the Disposer so that we destroy the native
+ // WGLGraphicsConfigInfo data when this object goes away
+ Disposer.addRecord(disposerReferent,
+ new WGLGCDisposerRecord(pConfigInfo));
+ }
+
+ public Object getProxyKey() {
+ return this;
+ }
+
+ public SurfaceData createManagedSurface(int w, int h, int transparency) {
+ return WGLSurfaceData.createData(this, w, h,
+ getColorModel(transparency),
+ null,
+ OGLSurfaceData.TEXTURE);
+ }
+
+ public static WGLGraphicsConfig getConfig(Win32GraphicsDevice device,
+ int pixfmt)
+ {
+ if (!wglAvailable) {
+ return null;
+ }
+
+ long cfginfo = 0;
+ OGLRenderQueue rq = OGLRenderQueue.getInstance();
+ rq.lock();
+ try {
+ // getWGLConfigInfo() creates and destroys temporary
+ // surfaces/contexts, so we should first invalidate the current
+ // Java-level context and flush the queue...
+ OGLContext.invalidateCurrentContext();
+ WGLGetConfigInfo action =
+ new WGLGetConfigInfo(device.getScreen(), pixfmt);
+ rq.flushAndInvokeNow(action);
+ cfginfo = action.getConfigInfo();
+ } finally {
+ rq.unlock();
+ }
+ if (cfginfo == 0) {
+ return null;
+ }
+
+ int oglCaps = getOGLCapabilities(cfginfo);
+
+ return new WGLGraphicsConfig(device, pixfmt, cfginfo, oglCaps);
+ }
+
+ /**
+ * This is a small helper class that allows us to execute
+ * getWGLConfigInfo() on the queue flushing thread.
+ */
+ private static class WGLGetConfigInfo implements Runnable {
+ private int screen;
+ private int pixfmt;
+ private long cfginfo;
+ private WGLGetConfigInfo(int screen, int pixfmt) {
+ this.screen = screen;
+ this.pixfmt = pixfmt;
+ }
+ public void run() {
+ cfginfo = getWGLConfigInfo(screen, pixfmt);
+ }
+ public long getConfigInfo() {
+ return cfginfo;
+ }
+ }
+
+ public static boolean isWGLAvailable() {
+ return wglAvailable;
+ }
+
+ /**
+ * Returns true if the provided capability bit is present for this config.
+ * See OGLContext.java for a list of supported capabilities.
+ */
+ public final boolean isCapPresent(int cap) {
+ return ((oglCaps & cap) != 0);
+ }
+
+ public final long getNativeConfigInfo() {
+ return pConfigInfo;
+ }
+
+ public final OGLContext getContext() {
+ return context;
+ }
+
+ private static class WGLGCDisposerRecord implements DisposerRecord {
+ private long pCfgInfo;
+ public WGLGCDisposerRecord(long pCfgInfo) {
+ this.pCfgInfo = pCfgInfo;
+ }
+ public void dispose() {
+ if (pCfgInfo != 0) {
+ OGLRenderQueue.disposeGraphicsConfig(pCfgInfo);
+ pCfgInfo = 0;
+ }
+ }
+ }
+
+ @Override
+ public synchronized void displayChanged() {
+ super.displayChanged();
+ // the context could hold a reference to a WGLSurfaceData, which in
+ // turn has a reference back to this WGLGraphicsConfig, so in order
+ // for this instance to be disposed we need to break the connection
+ OGLRenderQueue rq = OGLRenderQueue.getInstance();
+ rq.lock();
+ try {
+ OGLContext.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 ("WGLGraphicsConfig[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
+ * WGLGraphicsConfig.
+ */
+
+ /**
+ * Creates a new SurfaceData that will be associated with the given
+ * WComponentPeer.
+ */
+ @Override
+ public SurfaceData createSurfaceData(WComponentPeer peer,
+ int numBackBuffers)
+ {
+ return WGLSurfaceData.createData(peer);
+ }
+
+ /**
+ * 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) {
+ throw new AWTException(
+ "Only double or single buffering is supported");
+ }
+ BufferCapabilities configCaps = getBufferCapabilities();
+ if (!configCaps.isPageFlipping()) {
+ throw new AWTException("Page flipping is not supported");
+ }
+ if (caps.getFlipContents() == BufferCapabilities.FlipContents.PRIOR) {
+ throw new AWTException("FlipContents.PRIOR is not supported");
+ }
+ }
+
+ /**
+ * Creates a WGL-based backbuffer for the given peer and returns the
+ * image wrapper.
+ */
+ @Override
+ public VolatileImage createBackBuffer(WComponentPeer peer) {
+ Component target = (Component)peer.getTarget();
+ return new SunVolatileImage(target,
+ target.getWidth(), target.getHeight(),
+ Boolean.TRUE);
+ }
+
+ /**
+ * Performs the native WGL flip operation for the given target Component.
+ */
+ @Override
+ public void flip(WComponentPeer peer,
+ Component target, VolatileImage backBuffer,
+ BufferCapabilities.FlipContents flipAction)
+ {
+ if (flipAction == BufferCapabilities.FlipContents.COPIED) {
+ Graphics g = peer.getGraphics();
+ try {
+ g.drawImage(backBuffer, 0, 0, null);
+ } finally {
+ g.dispose();
+ }
+ return;
+ } else if (flipAction == BufferCapabilities.FlipContents.PRIOR) {
+ // not supported by WGL...
+ return;
+ }
+
+ OGLSurfaceData.swapBuffers(peer.getData());
+
+ 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 WGLBufferCaps extends BufferCapabilities {
+ public WGLBufferCaps(boolean dblBuf) {
+ super(imageCaps, imageCaps,
+ dblBuf ? FlipContents.UNDEFINED : null);
+ }
+ }
+
+ @Override
+ public BufferCapabilities getBufferCapabilities() {
+ if (bufferCaps == null) {
+ boolean dblBuf = isCapPresent(OGLContext.CAPS_DOUBLEBUFFERED);
+ bufferCaps = new WGLBufferCaps(dblBuf);
+ }
+ return bufferCaps;
+ }
+
+ private static class WGLImageCaps extends ImageCapabilities {
+ private WGLImageCaps() {
+ super(true);
+ }
+ public boolean isTrueVolatile() {
+ return true;
+ }
+ }
+
+ @Override
+ public ImageCapabilities getImageCapabilities() {
+ return imageCaps;
+ }
+}