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+/**
+ * Copyright (c) 2003-2005 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.
+ */
+
+package net.java.games.joal.impl;
+
+import net.java.games.joal.*;
+import com.sun.gluegen.runtime.*;
+
+/** Helper class for managing OpenAL-related proc address tables. */
+
+public class ALProcAddressLookup {
+ private static final ALProcAddressTable alTable = new ALProcAddressTable();
+ private static volatile boolean alTableInitialized = false;
+ private static final ALCProcAddressTable alcTable = new ALCProcAddressTable();
+ private static volatile boolean alcTableInitialized = false;
+
+ public static void resetALProcAddressTable() {
+ if (!alTableInitialized) {
+ synchronized (ALProcAddressLookup.class) {
+ if (!alTableInitialized) {
+ // At some point this may require an OpenAL context to be
+ // current as we will actually use alGetProcAddress. Since
+ // this routine is currently broken and there are no
+ // per-context function pointers anyway we could actually do
+ // this work anywhere. We should also in theory have
+ // per-ALcontext ALProcAddressTables and per-ALCdevice
+ // ALCProcAddressTables.
+ ALImpl impl = (ALImpl) ALFactory.getAL();
+ ProcAddressHelper.resetProcAddressTable(alTable, impl);
+ alTableInitialized = true;
+ }
+ }
+ }
+ }
+
+ public static void resetALCProcAddressTable() {
+ if (!alcTableInitialized) {
+ synchronized (ALProcAddressLookup.class) {
+ if (!alcTableInitialized) {
+ // At some point this may require an OpenAL device to be
+ // created as we will actually use alcGetProcAddress. Since
+ // this routine is currently broken and there are no
+ // per-device function pointers anyway we could actually do
+ // this work anywhere. We should also in theory have
+ // per-ALcontext ALProcAddressTables and per-ALCdevice
+ // ALCProcAddressTables.
+ ALImpl impl = (ALImpl) ALFactory.getAL();
+ ProcAddressHelper.resetProcAddressTable(alcTable, impl);
+ alcTableInitialized = true;
+ }
+ }
+ }
+ }
+
+ public static ALProcAddressTable getALProcAddressTable() {
+ return alTable;
+ }
+
+ public static ALCProcAddressTable getALCProcAddressTable() {
+ return alcTable;
+ }
+}