changeset in /hg/icedtea: Add Xrender pipeline support.
Mark Wielaard
mark at klomp.org
Thu Dec 4 06:11:24 PST 2008
changeset 0da756c744c9 in /hg/icedtea
details: http://icedtea.classpath.org/hg/icedtea?cmd=changeset;node=0da756c744c9
description:
Add Xrender pipeline support.
2008-11-29 Mark Wielaard <mark at klomp.org>
* configure.ac: Add and check --enable-xrender.
* Makefile.am: Add XRENDER_PATCHES when ENABLE_XRENDER set.
* patches/icedtea-xrender-00[0-8].patch: New patches.
* HACKING: Document new patches.
diffstat:
13 files changed, 12735 insertions(+)
ChangeLog | 7
HACKING | 5
Makefile.am | 5
configure.ac | 18
patches/icedtea-xrender-000.patch | 430 ++
patches/icedtea-xrender-001.patch | 5320 +++++++++++++++++++++++++++++++++++++
patches/icedtea-xrender-002.patch | 5199 ++++++++++++++++++++++++++++++++++++
patches/icedtea-xrender-003.patch | 78
patches/icedtea-xrender-004.patch | 86
patches/icedtea-xrender-005.patch | 18
patches/icedtea-xrender-006.patch | 295 ++
patches/icedtea-xrender-007.patch | 1143 +++++++
patches/icedtea-xrender-008.patch | 131
diffs (truncated from 12815 to 500 lines):
diff -r 8ce80b4e9a73 -r 0da756c744c9 ChangeLog
--- a/ChangeLog Fri Nov 28 10:44:51 2008 -0500
+++ b/ChangeLog Sun Nov 30 11:58:42 2008 +0100
@@ -1,3 +1,10 @@ 2008-11-28 Gary Benson <gbenson at redhat
+2008-11-29 Mark Wielaard <mark at klomp.org>
+
+ * configure.ac: Add and check --enable-xrender.
+ * Makefile.am: Add XRENDER_PATCHES when ENABLE_XRENDER set.
+ * patches/icedtea-xrender-00[0-8].patch: New patches.
+ * HACKING: Document new patches.
+
2008-11-28 Gary Benson <gbenson at redhat.com>
PR icedtea/265:
diff -r 8ce80b4e9a73 -r 0da756c744c9 HACKING
--- a/HACKING Fri Nov 28 10:44:51 2008 -0500
+++ b/HACKING Sun Nov 30 11:58:42 2008 +0100
@@ -132,6 +132,11 @@ The following patches are only applied w
* icedtea-cacao.patch: Don't run 'java' in a new thread.
+The following patches are to support Xrender pipeline (-Dsun.java2d.xrender):
+
+* icedtea-xrender-xxx.patch: Numbered patches from xrender branch
+ http://hg.openjdk.java.net/xrender/xrender/jdk
+
Obsolete Patches
================
diff -r 8ce80b4e9a73 -r 0da756c744c9 Makefile.am
--- a/Makefile.am Fri Nov 28 10:44:51 2008 -0500
+++ b/Makefile.am Sun Nov 30 11:58:42 2008 +0100
@@ -561,6 +561,11 @@ ICEDTEA_PATCHES += \
patches/icedtea-pulse-soundproperties.patch
endif
+if ENABLE_XRENDER
+XRENDER_PATCHES = patches/icedtea-xrender-???.patch
+ICEDTEA_PATCHES += $(sort $(wildcard $(XRENDER_PATCHES)))
+endif
+
ICEDTEA_PATCHES += \
$(DISTRIBUTION_PATCHES)
diff -r 8ce80b4e9a73 -r 0da756c744c9 configure.ac
--- a/configure.ac Fri Nov 28 10:44:51 2008 -0500
+++ b/configure.ac Sun Nov 30 11:58:42 2008 +0100
@@ -158,6 +158,14 @@ AC_ARG_ENABLE([docs],
[ENABLE_DOCS="${enableval}"], [ENABLE_DOCS='yes'])
AM_CONDITIONAL([ENABLE_DOCS], [test x$ENABLE_DOCS = xyes])
AC_MSG_RESULT(${ENABLE_DOCS})
+
+AC_MSG_CHECKING(whether to include xrender pipeline)
+AC_ARG_ENABLE([xrender],
+ [AS_HELP_STRING([--disable-xrender],
+ [Disable inclusion of xrender pipeline])],
+ [ENABLE_XRENDER="${enableval}"], [ENABLE_XRENDER='yes'])
+AM_CONDITIONAL([ENABLE_XRENDER], [test x$ENABLE_XRENDER = xyes])
+AC_MSG_RESULT(${ENABLE_XRENDER})
AC_MSG_CHECKING(whether to build VisualVM)
AC_ARG_ENABLE([visualvm],
@@ -374,6 +382,16 @@ AC_SUBST(XINERAMA_CFLAGS)
AC_SUBST(XINERAMA_CFLAGS)
AC_SUBST(XINERAMA_LIBS)
+if test "x${ENABLE_XRENDER}" = "xyes"
+then
+ PKG_CHECK_MODULES(XRENDER, xrender, [XRENDER_FOUND=yes], [XRENDER_FOUND=no])
+ if test "x${XRENDER_FOUND}" = xno
+ then
+ AC_MSG_ERROR([Could not find Xrender extension - \
+Try installing libXrender-devel or configure --disable-xrender.])
+ fi
+fi
+
dnl Check for libpng headers and libraries.
PKG_CHECK_MODULES(LIBPNG, libpng,[LIBPNG_FOUND=yes]
,[LIBPNG_FOUND=no])
diff -r 8ce80b4e9a73 -r 0da756c744c9 patches/icedtea-xrender-000.patch
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/patches/icedtea-xrender-000.patch Sun Nov 30 11:58:42 2008 +0100
@@ -0,0 +1,430 @@
+6675596: SurfaceManagerFactory should allow plugging in different implementations
+Reviewed-by: tdv, campbell
+Contributed-by: Roman Kennke <roman.kennke at aicas.com>
+
+diff -r ed68352f7e42 -r 4af4867ed787 src/share/classes/sun/awt/image/SunVolatileImage.java
+--- openjdk/jdk/src/share/classes/sun/awt/image/SunVolatileImage.java Wed May 14 09:16:18 2008 -0700
++++ openjdk/jdk/src/share/classes/sun/awt/image/SunVolatileImage.java Wed May 14 16:05:07 2008 -0700
+@@ -165,7 +165,8 @@
+ {
+ return new BufImgVolatileSurfaceManager(this, context);
+ }
+- return SurfaceManagerFactory.createVolatileManager(this, context);
++ SurfaceManagerFactory smf = SurfaceManagerFactory.getInstance();
++ return smf.createVolatileManager(this, context);
+ }
+
+ private Color getForeground() {
+diff -r ed68352f7e42 -r 4af4867ed787 src/share/classes/sun/java2d/SurfaceManagerFactory.java
+--- /dev/null Thu Jan 01 00:00:00 1970 +0000
++++ openjdk/jdk/src/share/classes/sun/java2d/SurfaceManagerFactory.java Wed May 14 16:05:07 2008 -0700
+@@ -0,0 +1,91 @@
++/*
++ * Copyright 2003-2008 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;
++
++import sun.awt.image.SunVolatileImage;
++import sun.awt.image.VolatileSurfaceManager;
++
++/**
++ * This factory creates platform specific VolatileSurfaceManager
++ * implementations.
++ *
++ * There are two platform specific SurfaceManagerFactories in OpenJDK,
++ * UnixSurfaceManagerFactory and WindowsSurfaceManagerFactory.
++ * The actually used SurfaceManagerFactory is set by the respective platform
++ * GraphicsEnvironment implementations in the static initializer.
++ */
++public abstract class SurfaceManagerFactory {
++
++ /**
++ * The single shared instance.
++ */
++ private static SurfaceManagerFactory instance;
++
++ /**
++ * Returns the surface manager factory instance. This returns a factory
++ * that has been set by {@link #setInstance(SurfaceManagerFactory)}.
++ *
++ * @return the surface manager factory
++ */
++ public synchronized static SurfaceManagerFactory getInstance() {
++
++ if (instance == null) {
++ throw new IllegalStateException("No SurfaceManagerFactory set.");
++ }
++ return instance;
++ }
++
++ /**
++ * Sets the surface manager factory. This may only be called once, and it
++ * may not be set back to {@code null} when the factory is already
++ * instantiated.
++ *
++ * @param factory the factory to set
++ */
++ public synchronized static void setInstance(SurfaceManagerFactory factory) {
++
++ if (factory == null) {
++ // We don't want to allow setting this to null at any time.
++ throw new IllegalArgumentException("factory must be non-null");
++ }
++
++ if (instance != null) {
++ // We don't want to re-set the instance at any time.
++ throw new IllegalStateException("The surface manager factory is already initialized");
++ }
++
++ instance = factory;
++ }
++
++ /**
++ * Creates a new instance of a VolatileSurfaceManager given any
++ * arbitrary SunVolatileImage. An optional context Object can be supplied
++ * as a way for the caller to pass pipeline-specific context data to
++ * the VolatileSurfaceManager (such as a backbuffer handle, for example).
++ */
++ public abstract VolatileSurfaceManager
++ createVolatileManager(SunVolatileImage image, Object context);
++}
+diff -r ed68352f7e42 -r 4af4867ed787 src/solaris/classes/sun/awt/X11GraphicsEnvironment.java
+--- openjdk/jdk/src/solaris/classes/sun/awt/X11GraphicsEnvironment.java Wed May 14 09:16:18 2008 -0700
++++ openjdk/jdk/src/solaris/classes/sun/awt/X11GraphicsEnvironment.java Wed May 14 16:05:07 2008 -0700
+@@ -48,6 +48,8 @@
+ import sun.font.FontManager;
+ import sun.font.NativeFont;
+ import sun.java2d.SunGraphicsEnvironment;
++import sun.java2d.SurfaceManagerFactory;
++import sun.java2d.UnixSurfaceManagerFactory;
+
+ /**
+ * This is an implementation of a GraphicsEnvironment object for the
+@@ -177,6 +179,10 @@
+ return null;
+ }
+ });
++
++ // Install the correct surface manager factory.
++ SurfaceManagerFactory.setInstance(new UnixSurfaceManagerFactory());
++
+ }
+
+ private static boolean glxAvailable;
+diff -r ed68352f7e42 -r 4af4867ed787 src/solaris/classes/sun/java2d/SurfaceManagerFactory.java
+--- openjdk/jdk/src/solaris/classes/sun/java2d/SurfaceManagerFactory.java Wed May 14 09:16:18 2008 -0700
++++ /dev/null Thu Jan 01 00:00:00 1970 +0000
+@@ -1,65 +0,0 @@
+-/*
+- * Copyright 2003-2007 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;
+-
+-import java.awt.GraphicsConfiguration;
+-import java.awt.image.BufferedImage;
+-import sun.awt.X11GraphicsConfig;
+-import sun.awt.image.SunVolatileImage;
+-import sun.awt.image.SurfaceManager;
+-import sun.awt.image.VolatileSurfaceManager;
+-import sun.java2d.opengl.GLXGraphicsConfig;
+-import sun.java2d.opengl.GLXVolatileSurfaceManager;
+-import sun.java2d.x11.X11VolatileSurfaceManager;
+-
+-/**
+- * This is a factory class with static methods for creating a
+- * platform-specific instance of a particular SurfaceManager. Each platform
+- * (Windows, Unix, etc.) has its own specialized SurfaceManagerFactory.
+- */
+-public class SurfaceManagerFactory {
+- /**
+- * Creates a new instance of a VolatileSurfaceManager given any
+- * arbitrary SunVolatileImage. An optional context Object can be supplied
+- * as a way for the caller to pass pipeline-specific context data to
+- * the VolatileSurfaceManager (such as a backbuffer handle, for example).
+- *
+- * For Unix platforms, this method returns either an X11- or a GLX-
+- * specific VolatileSurfaceManager based on the GraphicsConfiguration
+- * under which the SunVolatileImage was created.
+- */
+- public static VolatileSurfaceManager
+- createVolatileManager(SunVolatileImage vImg,
+- Object context)
+- {
+- GraphicsConfiguration gc = vImg.getGraphicsConfig();
+- if (gc instanceof GLXGraphicsConfig) {
+- return new GLXVolatileSurfaceManager(vImg, context);
+- } else {
+- return new X11VolatileSurfaceManager(vImg, context);
+- }
+- }
+-}
+diff -r ed68352f7e42 -r 4af4867ed787 src/solaris/classes/sun/java2d/UnixSurfaceManagerFactory.java
+--- /dev/null Thu Jan 01 00:00:00 1970 +0000
++++ openjdk/jdk/src/solaris/classes/sun/java2d/UnixSurfaceManagerFactory.java Wed May 14 16:05:07 2008 -0700
+@@ -0,0 +1,64 @@
++/*
++ * Copyright 2003-2008 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;
++
++import java.awt.GraphicsConfiguration;
++
++import sun.awt.image.SunVolatileImage;
++import sun.awt.image.VolatileSurfaceManager;
++import sun.java2d.opengl.GLXGraphicsConfig;
++import sun.java2d.opengl.GLXVolatileSurfaceManager;
++import sun.java2d.x11.X11VolatileSurfaceManager;
++
++/**
++ * The SurfaceManagerFactory that creates VolatileSurfaceManager
++ * implementations for the Unix volatile images.
++ */
++public class UnixSurfaceManagerFactory extends SurfaceManagerFactory {
++
++ /**
++ * Creates a new instance of a VolatileSurfaceManager given any
++ * arbitrary SunVolatileImage. An optional context Object can be supplied
++ * as a way for the caller to pass pipeline-specific context data to
++ * the VolatileSurfaceManager (such as a backbuffer handle, for example).
++ *
++ * For Unix platforms, this method returns either an X11- or a GLX-
++ * specific VolatileSurfaceManager based on the GraphicsConfiguration
++ * under which the SunVolatileImage was created.
++ */
++ public VolatileSurfaceManager createVolatileManager(SunVolatileImage vImg,
++ Object context)
++ {
++ GraphicsConfiguration gc = vImg.getGraphicsConfig();
++ if (gc instanceof GLXGraphicsConfig) {
++ return new GLXVolatileSurfaceManager(vImg, context);
++ } else {
++ return new X11VolatileSurfaceManager(vImg, context);
++ }
++ }
++
++}
+diff -r ed68352f7e42 -r 4af4867ed787 src/windows/classes/sun/awt/Win32GraphicsEnvironment.java
+--- openjdk/jdk/src/windows/classes/sun/awt/Win32GraphicsEnvironment.java Wed May 14 09:16:18 2008 -0700
++++ openjdk/jdk/src/windows/classes/sun/awt/Win32GraphicsEnvironment.java Wed May 14 16:05:07 2008 -0700
+@@ -42,6 +42,8 @@
+ import sun.awt.windows.WToolkit;
+ import sun.font.FontManager;
+ import sun.java2d.SunGraphicsEnvironment;
++import sun.java2d.SurfaceManagerFactory;
++import sun.java2d.WindowsSurfaceManagerFactory;
+ import sun.java2d.windows.WindowsFlags;
+
+ /**
+@@ -64,6 +66,9 @@
+ WindowsFlags.initFlags();
+ initDisplayWrapper();
+ eudcFontFileName = getEUDCFontFile();
++
++ // Install correct surface manager factory.
++ SurfaceManagerFactory.setInstance(new WindowsSurfaceManagerFactory());
+ }
+
+ /**
+diff -r ed68352f7e42 -r 4af4867ed787 src/windows/classes/sun/java2d/SurfaceManagerFactory.java
+--- openjdk/jdk/src/windows/classes/sun/java2d/SurfaceManagerFactory.java Wed May 14 09:16:18 2008 -0700
++++ /dev/null Thu Jan 01 00:00:00 1970 +0000
+@@ -1,64 +0,0 @@
+-/*
+- * Copyright 2003-2007 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;
+-
+-import java.awt.GraphicsConfiguration;
+-import java.awt.image.BufferedImage;
+-import sun.awt.image.SunVolatileImage;
+-import sun.awt.image.SurfaceManager;
+-import sun.awt.image.VolatileSurfaceManager;
+-import sun.java2d.opengl.WGLGraphicsConfig;
+-import sun.java2d.opengl.WGLVolatileSurfaceManager;
+-import sun.java2d.windows.WindowsFlags;
+-import sun.java2d.windows.WinVolatileSurfaceManager;
+-
+-/**
+- * This is a factory class with static methods for creating a
+- * platform-specific instance of a particular SurfaceManager. Each platform
+- * (Windows, Unix, etc.) has its own specialized SurfaceManagerFactory.
+- */
+-public class SurfaceManagerFactory {
+- /**
+- * Creates a new instance of a VolatileSurfaceManager given any
+- * arbitrary SunVolatileImage. An optional context Object can be supplied
+- * as a way for the caller to pass pipeline-specific context data to
+- * the VolatileSurfaceManager (such as a backbuffer handle, for example).
+- *
+- * For Windows platforms, this method returns a Windows-specific
+- * VolatileSurfaceManager.
+- */
+- public static VolatileSurfaceManager
+- createVolatileManager(SunVolatileImage vImg,
+- Object context)
+- {
+- GraphicsConfiguration gc = vImg.getGraphicsConfig();
+- if (gc instanceof WGLGraphicsConfig) {
+- return new WGLVolatileSurfaceManager(vImg, context);
+- } else {
+- return new WinVolatileSurfaceManager(vImg, context);
+- }
+- }
+-}
+diff -r ed68352f7e42 -r 4af4867ed787 src/windows/classes/sun/java2d/WindowsSurfaceManagerFactory.java
+--- /dev/null Thu Jan 01 00:00:00 1970 +0000
++++ openjdk/jdk/src/windows/classes/sun/java2d/WindowsSurfaceManagerFactory.java Wed May 14 16:05:07 2008 -0700
+@@ -0,0 +1,64 @@
++/*
++ * Copyright 2003-2008 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;
++
++import java.awt.GraphicsConfiguration;
++import java.awt.image.BufferedImage;
++import sun.awt.image.SunVolatileImage;
++import sun.awt.image.SurfaceManager;
++import sun.awt.image.VolatileSurfaceManager;
++import sun.java2d.opengl.WGLGraphicsConfig;
++import sun.java2d.opengl.WGLVolatileSurfaceManager;
++import sun.java2d.windows.WindowsFlags;
++import sun.java2d.windows.WinVolatileSurfaceManager;
++
++/**
++ * The SurfaceManagerFactory that creates VolatileSurfaceManager
++ * implementations for the Windows volatile images.
++ */
++public class WindowsSurfaceManagerFactory extends SurfaceManagerFactory {
++
++ /**
++ * Creates a new instance of a VolatileSurfaceManager given any
++ * arbitrary SunVolatileImage. An optional context Object can be supplied
++ * as a way for the caller to pass pipeline-specific context data to
++ * the VolatileSurfaceManager (such as a backbuffer handle, for example).
++ *
++ * For Windows platforms, this method returns a Windows-specific
++ * VolatileSurfaceManager.
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