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Diffstat (limited to 'src/net/java/games/jogl/impl/SingleThreadedWorkaround.java')
-rwxr-xr-x | src/net/java/games/jogl/impl/SingleThreadedWorkaround.java | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/src/net/java/games/jogl/impl/SingleThreadedWorkaround.java b/src/net/java/games/jogl/impl/SingleThreadedWorkaround.java deleted file mode 100755 index f19c1fb67..000000000 --- a/src/net/java/games/jogl/impl/SingleThreadedWorkaround.java +++ /dev/null @@ -1,115 +0,0 @@ -/* - * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * - Redistribution of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistribution in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * Neither the name of Sun Microsystems, Inc. or the names of - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * This software is provided "AS IS," without a warranty of any kind. ALL - * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, - * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A - * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN - * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR - * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR - * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR - * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR - * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE - * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, - * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF - * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. - * - * You acknowledge that this software is not designed or intended for use - * in the design, construction, operation or maintenance of any nuclear - * facility. - * - * Sun gratefully acknowledges that this software was originally authored - * and developed by Kenneth Bradley Russell and Christopher John Kline. - */ - -package net.java.games.jogl.impl; - -import java.security.AccessController; -import java.security.PrivilegedAction; - -/** Encapsulates the workaround of running all display operations on - the AWT event queue thread for the purposes of working around - problems seen primarily on ATI cards when rendering into a surface - that is simultaneously being resized by the event queue thread. - <p> - - As of JOGL 1.1 b10, this property defaults to true. Problems have - been seen on Windows, Linux and Mac OS X platforms that are solved - by switching all OpenGL work to a single thread, which this - workaround provides. The forthcoming JSR-231 work will rethink how - such a mechanism is implemented, but the core result of needing to - perform all OpenGL work on a single thread for best compatibility - will remain. -*/ - -public class SingleThreadedWorkaround { - private static boolean singleThreadedWorkaround = true; - // If the user specified the workaround's system property (either - // true or false), don't let the automatic detection have any effect - private static boolean systemPropertySpecified = false; - - static { - AccessController.doPrivileged(new PrivilegedAction() { - public Object run() { - String workaround = System.getProperty("jogl.1thread"); - if (workaround == null) { - // Old system property (for compatibility) - workaround = System.getProperty("JOGL_SINGLE_THREADED_WORKAROUND"); - } - if (workaround == null) { - // Older system property (for compatibility) - workaround = System.getProperty("ATI_WORKAROUND"); - } - if (workaround != null && (!workaround.equals("auto"))) { - systemPropertySpecified = true; - singleThreadedWorkaround = Boolean.valueOf(workaround).booleanValue(); - } - printWorkaroundNotice(); - return null; - } - }); - } - - /** Public method for users to disable the single-threaded - workaround in application code. Should perhaps eventually - promote this method to the public API. */ - public static void disableWorkaround() { - systemPropertySpecified = true; - singleThreadedWorkaround = false; - if (Debug.verbose()) { - System.err.println("Application forced disabling of single-threaded workaround of dispatching display() on event thread"); - } - } - - public static void shouldDoWorkaround() { - if (!systemPropertySpecified) { - singleThreadedWorkaround = true; - printWorkaroundNotice(); - } - } - - public static boolean doWorkaround() { - return singleThreadedWorkaround; - } - - private static void printWorkaroundNotice() { - if (singleThreadedWorkaround && Debug.verbose()) { - System.err.println("Using single-threaded workaround of dispatching display() on event thread"); - } - } -} |