diff options
Diffstat (limited to 'src/java/net/java/games/joal/impl/ALProcAddressLookup.java')
-rwxr-xr-x | src/java/net/java/games/joal/impl/ALProcAddressLookup.java | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/java/net/java/games/joal/impl/ALProcAddressLookup.java b/src/java/net/java/games/joal/impl/ALProcAddressLookup.java new file mode 100755 index 0000000..5291587 --- /dev/null +++ b/src/java/net/java/games/joal/impl/ALProcAddressLookup.java @@ -0,0 +1,92 @@ +/** + * 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; + } +} |