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diff --git a/src/java/com/jogamp/openal/impl/ALProcAddressLookup.java b/src/java/com/jogamp/openal/impl/ALProcAddressLookup.java
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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 com.jogamp.openal.impl;
-
-import com.jogamp.common.os.DynamicLookupHelper;
-import com.jogamp.common.os.NativeLibrary;
-import java.lang.reflect.Field;
-
-import com.jogamp.openal.*;
-import com.jogamp.gluegen.runtime.*;
-
-/** Helper class for managing OpenAL-related proc address tables. */
-
-public class ALProcAddressLookup {
-
- private static final ALProcAddressTable alTable;
- private static final ALCProcAddressTable alcTable;
-
- private static volatile boolean alTableInitialized = false;
- private static volatile boolean alcTableInitialized = false;
-
- private static final DynamicLookup lookup;
- private static volatile NativeLibrary openAL;
-
- static {
- //workaround: map renamed fooImpl back to the real function name
- FunctionAddressResolver resolver = new FunctionAddressResolver() {
- public long resolve(String string, DynamicLookupHelper dlh) {
- if (string.endsWith("Impl")) {
- string = string.substring(0, string.length() - 4);
- }
- return dlh.dynamicLookupFunction(string);
- }
- };
- alcTable = new ALCProcAddressTable(resolver);
- alTable = new ALProcAddressTable();
- lookup = new DynamicLookup();
- }
-
- static class DynamicLookup implements DynamicLookupHelper {
- public long dynamicLookupFunction(String functionName) {
- // 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.
- if (openAL == null) {
- // We choose not to search the system path first because we
- // bundle a very recent version of OpenAL which we would like
- // to override existing installations
- openAL = NativeLibrary.open("OpenAL32", "openal", "OpenAL",
- false,
- ALProcAddressLookup.class.getClassLoader());
- if (openAL == null) {
- throw new RuntimeException("Unable to find and load OpenAL library");
- }
- }
- return openAL.dynamicLookupFunction(functionName);
- }
- }
-
- 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.
- alTable.reset(lookup);
-
- // The above only manages to find addresses for the core OpenAL
- // functions. The below uses alGetProcAddress() to find the addresses
- // of extensions such as EFX, just as in the C++ examples of the
- // OpenAL 1.1 SDK.
- useALGetProcAddress();
-
- 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.
- alcTable.reset(lookup);
- alcTableInitialized = true;
- }
- }
- }
- }
-
- public static ALProcAddressTable getALProcAddressTable() {
- return alTable;
- }
-
- public static ALCProcAddressTable getALCProcAddressTable() {
- return alcTable;
- }
-
-
- /**
- * Retrieves the values of the OpenAL functions using alGetProcAddress().
- */
- private static void useALGetProcAddress() {
- String addrOfPrefix = "_addressof_";
- ALImpl al = (ALImpl) ALFactory.getAL();
-
- Field[] fields = ALProcAddressTable.class.getFields();
- for (int i = 0; i < fields.length; i++) {
- Field field = fields[i];
-
- // Skip non-address fields
- String fieldname = field.getName();
- if (!fieldname.startsWith(addrOfPrefix)) {
- continue;
- }
- try {
- String functionname = fieldname.substring(addrOfPrefix.length());
- long fieldval = field.getLong(alTable);
-
- // Skip fields which have already been valued
- if (fieldval != 0) {
- continue;
- }
-
- // Get the address
- long procAddressVal = al.alGetProcAddress(functionname);
- field.setLong(alTable, procAddressVal);
- }
- catch (Exception ex) {
- throw new RuntimeException("Unable to repopulate ALProcAddressTable values", ex);
- }
- }
- }
-}