2002-08-20 10:46:04 -04:00
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/*
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2003-07-02 18:42:41 -04:00
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* Copyright (c) 2002 Lightweight Java Game Library Project
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2002-08-20 10:46:04 -04:00
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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2003-07-02 18:42:41 -04:00
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* * Neither the name of 'Lightweight Java Game Library' nor the names of
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2002-08-20 10:46:04 -04:00
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* $Id$
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*
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* This is the actual JNI implementation of the OpenAL context/device library.
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*
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* @author Brian Matzon <brian@matzon.dk>
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* @version $Revision$
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*/
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2002-08-26 11:07:31 -04:00
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#include "org_lwjgl_openal_ALC.h"
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2002-11-28 15:25:10 -05:00
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/* OpenAL includes */
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2002-08-26 14:23:11 -04:00
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#include "checkALerror.h"
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2002-12-14 07:49:16 -05:00
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#include "extal.h"
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2002-08-20 10:46:04 -04:00
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2002-09-03 15:24:57 -04:00
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/*
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* Class: org_lwjgl_openal_ALC
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* Method: nCreate
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* Signature: ()Z
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*/
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2003-07-02 18:42:41 -04:00
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JNIEXPORT jboolean JNICALL Java_org_lwjgl_openal_ALC_nCreate (JNIEnv *env, jclass clazz) {
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2002-12-14 07:49:16 -05:00
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//check that our methods have been loaded
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if(alEnable == NULL) {
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jclass cls = env->FindClass("org/lwjgl/openal/OpenALException");
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env->ThrowNew(cls, (const char*) "Unable to loacate OpenAL Methods. Please assert that AL was created successfully.");
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env->DeleteLocalRef(cls);
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return false;
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}
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return true;
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2002-09-03 15:24:57 -04:00
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}
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/*
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* Class: org_lwjgl_openal_ALC
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* Method: nDestroy
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* Signature: ()V
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*/
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2003-07-02 18:42:41 -04:00
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JNIEXPORT void JNICALL Java_org_lwjgl_openal_ALC_nDestroy (JNIEnv *env, jclass clazz) {
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2002-09-03 15:24:57 -04:00
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}
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2002-08-20 10:46:04 -04:00
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/**
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* This function returns strings related to the context.
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*
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* C Specification:
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* ALubyte * alcGetString(ALCdevice *device, ALenum token);
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*/
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2003-08-13 17:03:30 -04:00
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JNIEXPORT jstring JNICALL Java_org_lwjgl_openal_ALC_nalcGetString (JNIEnv *env, jclass clazz, jint deviceaddress, jint token) {
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2002-08-26 18:16:25 -04:00
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const char* alcString = (const char*) alcGetString((ALCdevice*) deviceaddress, (ALenum) token);
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if(alcString == NULL) {
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return NULL;
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}
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jstring string = env->NewStringUTF(alcString);
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2002-08-26 14:23:11 -04:00
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CHECK_ALC_ERROR
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return string;
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2002-08-20 10:46:04 -04:00
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}
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/**
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* This function returns integers related to the context.
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*
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* C Specification:
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* ALvoid alcGetIntegerv(ALCdevice *device, ALenum token, ALsizei size, ALint *dest);
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*/
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2003-08-13 17:03:30 -04:00
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JNIEXPORT void JNICALL Java_org_lwjgl_openal_ALC_nalcGetIntegerv (JNIEnv *env, jclass clazz, jint deviceaddress, jint token, jint size, jobject dest, int offset) {
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2003-07-02 18:42:41 -04:00
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ALint* address = NULL;
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if (dest != NULL) {
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2003-08-11 15:58:12 -04:00
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address = offset + (ALint*) env->GetDirectBufferAddress(dest);
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2003-07-02 18:42:41 -04:00
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}
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alcGetIntegerv((ALCdevice*) deviceaddress, (ALenum) token, (ALsizei) size, address);
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2002-08-26 14:23:11 -04:00
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CHECK_ALC_ERROR
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2002-08-20 10:46:04 -04:00
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}
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/**
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* This function opens a device by name.
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*
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* C Specification:
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* ALCdevice *alcOpenDevice( const ALubyte *tokstr );
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*/
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2003-07-02 18:42:41 -04:00
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JNIEXPORT jobject JNICALL Java_org_lwjgl_openal_ALC_alcOpenDevice (JNIEnv *env, jclass clazz, jstring tokstr) {
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2003-03-17 13:34:43 -05:00
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const char * tokenstring;
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2002-08-26 17:28:30 -04:00
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2003-03-17 13:34:43 -05:00
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jboolean isCopy = JNI_FALSE;
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2002-08-26 17:28:30 -04:00
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if(tokstr != NULL) {
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2003-03-17 13:34:43 -05:00
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tokenstring = (env->GetStringUTFChars(tokstr, &isCopy));
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2002-08-26 17:28:30 -04:00
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} else {
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tokenstring = NULL;
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}
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2002-08-20 10:46:04 -04:00
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/* get device */
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2003-03-17 13:34:43 -05:00
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ALCdevice* device = alcOpenDevice((ALubyte *) tokenstring);
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2002-08-20 10:46:04 -04:00
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2002-08-25 07:02:21 -04:00
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/* if error - cleanup and get out */
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if(device == NULL) {
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2002-08-26 17:28:30 -04:00
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if(tokenstring != NULL) {
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2003-03-17 13:34:43 -05:00
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env->ReleaseStringUTFChars(tokstr, tokenstring);
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2002-08-26 17:28:30 -04:00
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}
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2002-08-25 07:02:21 -04:00
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return NULL;
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}
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2002-08-20 10:46:04 -04:00
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/* get ready to create ALCdevice instance */
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jobject alcDevice_object = NULL;
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jclass alcDevice_class = NULL;
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jmethodID alcDevice_method = NULL;
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/* find class and constructor */
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alcDevice_class = env->FindClass("org/lwjgl/openal/ALCdevice");
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alcDevice_method = env->GetMethodID(alcDevice_class, "<init>", "(I)V");
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/* create instance */
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alcDevice_object = env->NewObject(alcDevice_class, alcDevice_method, (int) device);
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/* clean up */
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2003-03-17 13:34:43 -05:00
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if (tokenstring != NULL)
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env->ReleaseStringUTFChars(tokstr, tokenstring);
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2002-08-20 10:46:04 -04:00
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return alcDevice_object;
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}
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/**
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* This function closes a device by name.
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*
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* C Specification:
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* void alcCloseDevice( ALCdevice *dev );
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*/
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2003-07-02 18:42:41 -04:00
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JNIEXPORT void JNICALL Java_org_lwjgl_openal_ALC_alcCloseDevice (JNIEnv *env, jclass clazz, jint deviceaddress) {
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2002-08-20 10:46:04 -04:00
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alcCloseDevice((ALCdevice*) deviceaddress);
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2002-08-26 14:23:11 -04:00
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CHECK_ALC_ERROR
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2002-08-20 10:46:04 -04:00
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}
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/**
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* This function creates a context using a specified device.
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*
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* C Specification:
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* ALCcontext* alcCreateContext( ALCdevice *dev, ALint* attrlist );
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*/
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2003-07-02 18:42:41 -04:00
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JNIEXPORT jobject JNICALL Java_org_lwjgl_openal_ALC_alcCreateContext (JNIEnv *env, jclass clazz, jint deviceaddress, jobject attrlist) {
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ALint* address = NULL;
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if (attrlist != NULL) {
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address = (ALint*) env->GetDirectBufferAddress(attrlist);
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}
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ALCcontext* context = alcCreateContext((ALCdevice*) deviceaddress, address);
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2002-08-26 11:07:31 -04:00
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2002-08-25 07:02:21 -04:00
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/* if error - get out */
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if(context == NULL) {
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return NULL;
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}
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2002-08-20 10:46:04 -04:00
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/* get ready to create ALCcontext instance */
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jobject alcContext_object = NULL;
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jclass alcContext_class = NULL;
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jmethodID alcContext_method = NULL;
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/* find class and constructor */
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alcContext_class = env->FindClass("org/lwjgl/openal/ALCcontext");
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alcContext_method = env->GetMethodID(alcContext_class, "<init>", "(I)V");
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/* create instance */
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alcContext_object = env->NewObject(alcContext_class, alcContext_method, (int) context);
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2002-08-26 14:23:11 -04:00
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CHECK_ALC_ERROR
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2002-08-20 10:46:04 -04:00
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return alcContext_object;
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}
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/**
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* This function makes a specified context the current context.
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*
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* C Specification:
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* ALCboolean alcMakeContextCurrent(ALCcontext *context);
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*/
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2003-07-02 18:42:41 -04:00
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JNIEXPORT jboolean JNICALL Java_org_lwjgl_openal_ALC_alcMakeContextCurrent (JNIEnv *env, jclass clazz, jint contextaddress) {
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2003-07-05 17:58:35 -04:00
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ALCcontext* context = (ALCcontext*) contextaddress;
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if(context == NULL) {
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2002-08-27 13:45:40 -04:00
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return alcMakeContextCurrent(NULL);
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}
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2003-07-05 17:58:35 -04:00
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return alcMakeContextCurrent(context);
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2002-08-20 10:46:04 -04:00
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}
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/**
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* This function tells a context to begin processing.
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*
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* C Specification:
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* void alcProcessContext(ALCcontext *context);
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*/
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2003-08-13 17:03:30 -04:00
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JNIEXPORT void JNICALL Java_org_lwjgl_openal_ALC_nalcProcessContext (JNIEnv *env, jclass clazz, jint contextaddress) {
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2002-08-20 10:46:04 -04:00
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alcProcessContext((ALCcontext*) contextaddress);
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}
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/**
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* This function retrieves the current context.
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*
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* C Specification:
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* ALCcontext* alcGetCurrentContext( ALvoid );
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*/
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2003-07-02 18:42:41 -04:00
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JNIEXPORT jobject JNICALL Java_org_lwjgl_openal_ALC_alcGetCurrentContext (JNIEnv *env, jclass clazz) {
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2002-08-20 10:46:04 -04:00
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2002-08-25 07:02:21 -04:00
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ALCcontext* context = alcGetCurrentContext();
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if(context == NULL) {
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return NULL;
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}
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2002-08-20 10:46:04 -04:00
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/* get ready to create ALCcontext instance */
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jobject alcContext_object = NULL;
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jclass alcContext_class = NULL;
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jmethodID alcContext_method = NULL;
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/* find class and constructor */
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alcContext_class = env->FindClass("org/lwjgl/openal/ALCcontext");
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alcContext_method = env->GetMethodID(alcContext_class, "<init>", "(I)V");
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/* create instance */
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alcContext_object = env->NewObject(alcContext_class, alcContext_method, (int) context);
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return alcContext_object;
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}
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/**
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* This function retrieves the specified contexts device
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*
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* C Specification:
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* ALCdevice* alcGetContextsDevice(ALCcontext *context);
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*/
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2003-07-02 18:42:41 -04:00
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JNIEXPORT jobject JNICALL Java_org_lwjgl_openal_ALC_alcGetContextsDevice (JNIEnv *env, jclass clazz, jint contextaddress) {
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2002-08-20 10:46:04 -04:00
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ALCdevice* device = alcGetContextsDevice((ALCcontext*) contextaddress);
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2002-08-25 07:02:21 -04:00
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if(device == NULL) {
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return NULL;
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}
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2002-08-20 10:46:04 -04:00
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2002-08-25 07:02:21 -04:00
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/* get ready to create ALCdevice instance */
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2002-08-20 10:46:04 -04:00
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jobject alcDevice_object = NULL;
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jclass alcDevice_class = NULL;
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jmethodID alcDevice_method = NULL;
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/* find class and constructor */
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alcDevice_class = env->FindClass("org/lwjgl/openal/ALCdevice");
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alcDevice_method = env->GetMethodID(alcDevice_class, "<init>", "(I)V");
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/* create instance */
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alcDevice_object = env->NewObject(alcDevice_class, alcDevice_method, (int) device);
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return alcDevice_object;
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}
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/**
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* This function suspends processing on a specified context.
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*
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* C Specification:
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* void alcSuspendContext(ALCcontext *context);
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*/
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2003-07-02 18:42:41 -04:00
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JNIEXPORT void JNICALL Java_org_lwjgl_openal_ALC_alcSuspendContext (JNIEnv *env, jclass clazz, jint contextaddress) {
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2002-08-20 10:46:04 -04:00
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alcSuspendContext((ALCcontext*) contextaddress);
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}
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/**
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* This function destroys a context.
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*
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* C Specification:
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* void alcDestroyContext(ALCcontext *context);
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*/
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2003-07-02 18:42:41 -04:00
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JNIEXPORT void JNICALL Java_org_lwjgl_openal_ALC_alcDestroyContext (JNIEnv *env, jclass clazz, jint contextaddress) {
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2002-08-20 10:46:04 -04:00
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alcDestroyContext((ALCcontext*) contextaddress);
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}
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/**
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* This function retrieves the specified devices context error state.
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*
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* C Specification:
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* ALCenum alcGetError(ALCdevice *device);
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*/
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2003-08-13 17:03:30 -04:00
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JNIEXPORT jint JNICALL Java_org_lwjgl_openal_ALC_nalcGetError (JNIEnv *env, jclass clazz, jint deviceaddress) {
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2002-08-26 14:23:11 -04:00
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jint result = alcGetError((ALCdevice*) deviceaddress);
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CHECK_ALC_ERROR
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return result;
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2002-08-20 10:46:04 -04:00
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}
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/**
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* This function queries if a specified context extension is available.
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*
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* C Specification:
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* ALboolean alcIsExtensionPresent(ALCdevice *device, ALubyte *extName);
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*/
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2003-08-13 17:03:30 -04:00
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JNIEXPORT jboolean JNICALL Java_org_lwjgl_openal_ALC_nalcIsExtensionPresent (JNIEnv *env, jclass clazz, jint deviceaddress, jstring extName) {
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2002-08-20 10:46:04 -04:00
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/* get extension */
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ALubyte* functionname = (ALubyte*) (env->GetStringUTFChars(extName, 0));
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jboolean result = (jboolean) alcIsExtensionPresent((ALCdevice*) deviceaddress, functionname);
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2003-03-17 13:34:43 -05:00
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env->ReleaseStringUTFChars(extName, (const char *)functionname);
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2002-08-20 10:46:04 -04:00
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2002-08-26 14:23:11 -04:00
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CHECK_ALC_ERROR
|
2002-08-20 10:46:04 -04:00
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|
return result;
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|
}
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|
/**
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* This function retrieves the enum value for a specified enumeration name.
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|
*
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* C Specification:
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* ALenum alcGetEnumValue(ALCdevice *device, ALubyte *enumName);
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*/
|
2003-08-13 17:03:30 -04:00
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|
JNIEXPORT jint JNICALL Java_org_lwjgl_openal_ALC_nalcGetEnumValue (JNIEnv *env, jclass clazz, jint deviceaddress, jstring enumName) {
|
2002-08-20 10:46:04 -04:00
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|
/* get extension */
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|
|
ALubyte* enumerationname = (ALubyte*) (env->GetStringUTFChars(enumName, 0));
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|
|
jint result = (jint) alcGetEnumValue((ALCdevice*) deviceaddress, enumerationname);
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|
2003-03-17 13:34:43 -05:00
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env->ReleaseStringUTFChars(enumName, (const char *)enumerationname);
|
2002-08-20 10:46:04 -04:00
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|
2002-08-26 14:23:11 -04:00
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|
CHECK_ALC_ERROR
|
2002-08-20 10:46:04 -04:00
|
|
|
return result;
|
2003-03-24 06:56:05 -05:00
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|
}
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