380 lines
14 KiB
C++
380 lines
14 KiB
C++
/*
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* Copyright (c) 2002-2004 LWJGL Project
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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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* * Neither the name of 'LWJGL' nor the names of
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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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/* OpenAL includes */
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#include "checkALerror.h"
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#include "extal.h"
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//alc
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typedef ALCubyte* (ALCAPIENTRY *alcGetStringPROC)(ALCdevice *device,ALCenum param);
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typedef ALCvoid (ALCAPIENTRY *alcGetIntegervPROC)(ALCdevice *device,ALCenum param,ALCsizei size,ALCint *data);
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typedef ALCdevice* (ALCAPIENTRY *alcOpenDevicePROC)(ALCubyte *deviceName);
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typedef ALCvoid (ALCAPIENTRY *alcCloseDevicePROC)(ALCdevice *device);
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typedef ALCcontext* (ALCAPIENTRY *alcCreateContextPROC)(ALCdevice *device,ALCint *attrList);
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typedef ALCenum (ALCAPIENTRY *alcMakeContextCurrentPROC)(ALCcontext *context);
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typedef ALCvoid (ALCAPIENTRY *alcProcessContextPROC)(ALCcontext *context);
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typedef ALCdevice* (ALCAPIENTRY *alcGetContextsDevicePROC)(ALCcontext *context);
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typedef ALCvoid (ALCAPIENTRY *alcSuspendContextPROC)(ALCcontext *context);
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typedef ALCvoid (ALCAPIENTRY *alcDestroyContextPROC)(ALCcontext *context);
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typedef ALCenum (ALCAPIENTRY *alcGetErrorPROC)(ALCdevice *device);
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typedef ALCboolean (ALCAPIENTRY *alcIsExtensionPresentPROC)(ALCdevice *device,ALCubyte *extName);
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//typedef ALCvoid* (ALCAPIENTRY *alcGetProcAddressPROC)(ALCdevice *device,ALCubyte *funcName);
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typedef ALCenum (ALCAPIENTRY *alcGetEnumValuePROC)(ALCdevice *device,ALCubyte *enumName);
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alcGetCurrentContextPROC alcGetCurrentContext;
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static alcGetStringPROC alcGetString;
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static alcGetIntegervPROC alcGetIntegerv;
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static alcOpenDevicePROC alcOpenDevice;
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static alcCloseDevicePROC alcCloseDevice;
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static alcCreateContextPROC alcCreateContext;
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static alcMakeContextCurrentPROC alcMakeContextCurrent;
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static alcProcessContextPROC alcProcessContext;
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static alcGetContextsDevicePROC alcGetContextsDevice;
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static alcSuspendContextPROC alcSuspendContext;
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static alcDestroyContextPROC alcDestroyContext;
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static alcGetErrorPROC alcGetError;
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static alcIsExtensionPresentPROC alcIsExtensionPresent;
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//static alcGetProcAddressPROC alcGetProcAddress;
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static alcGetEnumValuePROC alcGetEnumValue;
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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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static jstring JNICALL Java_org_lwjgl_openal_ALC_nalcGetString (JNIEnv *env, jclass clazz, jint deviceaddress, jint token) {
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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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CHECK_ALC_ERROR
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return string;
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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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static void JNICALL Java_org_lwjgl_openal_ALC_nalcGetIntegerv (JNIEnv *env, jclass clazz, jint deviceaddress, jint token, jint size, jobject dest, jint offset) {
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ALint* address = NULL;
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if (dest != NULL) {
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address = offset + (ALint*) env->GetDirectBufferAddress(dest);
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}
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alcGetIntegerv((ALCdevice*) deviceaddress, (ALenum) token, (ALsizei) size, address);
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CHECK_ALC_ERROR
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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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static jobject JNICALL Java_org_lwjgl_openal_ALC_alcOpenDevice (JNIEnv *env, jclass clazz, jstring tokstr) {
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const char * tokenstring;
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jboolean isCopy = JNI_FALSE;
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if(tokstr != NULL) {
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tokenstring = (env->GetStringUTFChars(tokstr, &isCopy));
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} else {
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tokenstring = NULL;
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}
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/* get device */
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ALCdevice* device = alcOpenDevice((ALubyte *) tokenstring);
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/* if error - cleanup and get out */
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if(device == NULL) {
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if(tokenstring != NULL) {
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env->ReleaseStringUTFChars(tokstr, tokenstring);
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}
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return NULL;
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}
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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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if (tokenstring != NULL)
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env->ReleaseStringUTFChars(tokstr, tokenstring);
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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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static void JNICALL Java_org_lwjgl_openal_ALC_alcCloseDevice (JNIEnv *env, jclass clazz, jint deviceaddress) {
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alcCloseDevice((ALCdevice*) deviceaddress);
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CHECK_ALC_ERROR
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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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static 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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/* 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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/* 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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CHECK_ALC_ERROR
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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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static jint JNICALL Java_org_lwjgl_openal_ALC_alcMakeContextCurrent (JNIEnv *env, jclass clazz, jint contextaddress) {
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ALCcontext* context = (ALCcontext*) contextaddress;
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ALCenum result;
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if(context == NULL) {
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result = alcMakeContextCurrent(NULL);
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} else {
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result = alcMakeContextCurrent(context);
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}
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return result;
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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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static void JNICALL Java_org_lwjgl_openal_ALC_nalcProcessContext (JNIEnv *env, jclass clazz, jint contextaddress) {
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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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static jobject JNICALL Java_org_lwjgl_openal_ALC_alcGetCurrentContext (JNIEnv *env, jclass clazz) {
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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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/* 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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static jobject JNICALL Java_org_lwjgl_openal_ALC_alcGetContextsDevice (JNIEnv *env, jclass clazz, jint contextaddress) {
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ALCdevice* device = alcGetContextsDevice((ALCcontext*) contextaddress);
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if(device == NULL) {
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return NULL;
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}
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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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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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static void JNICALL Java_org_lwjgl_openal_ALC_alcSuspendContext (JNIEnv *env, jclass clazz, jint contextaddress) {
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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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static void JNICALL Java_org_lwjgl_openal_ALC_alcDestroyContext (JNIEnv *env, jclass clazz, jint contextaddress) {
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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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static jint JNICALL Java_org_lwjgl_openal_ALC_nalcGetError (JNIEnv *env, jclass clazz, jint deviceaddress) {
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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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}
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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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static jboolean JNICALL Java_org_lwjgl_openal_ALC_nalcIsExtensionPresent (JNIEnv *env, jclass clazz, jint deviceaddress, jstring extName) {
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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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env->ReleaseStringUTFChars(extName, (const char *)functionname);
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CHECK_ALC_ERROR
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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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*/
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static jint JNICALL Java_org_lwjgl_openal_ALC_nalcGetEnumValue (JNIEnv *env, jclass clazz, jint deviceaddress, jstring enumName) {
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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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env->ReleaseStringUTFChars(enumName, (const char *)enumerationname);
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CHECK_ALC_ERROR
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return result;
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}
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/**
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* Loads the context OpenAL functions
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*
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* @return true if all methods were loaded, false if one of the methods could not be loaded
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*/
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extern "C" {
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JNIEXPORT void JNICALL Java_org_lwjgl_openal_ALC_initNativeStubs(JNIEnv *env, jclass clazz) {
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JavaMethodAndExtFunction functions[] = {
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{"nalcGetString", "(II)Ljava/lang/String;", (void*)&Java_org_lwjgl_openal_ALC_nalcGetString, "alcGetString", (void**)&alcGetString},
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{"nalcGetIntegerv", "(IIILjava/nio/Buffer;I)V", (void*)&Java_org_lwjgl_openal_ALC_nalcGetIntegerv, "alcGetIntegerv", (void**)&alcGetIntegerv},
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{"alcOpenDevice", "(Ljava/lang/String;)Lorg/lwjgl/openal/ALCdevice;", (void*)&Java_org_lwjgl_openal_ALC_alcOpenDevice, "alcOpenDevice", (void**)&alcOpenDevice},
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{"alcCloseDevice", "(I)V", (void*)&Java_org_lwjgl_openal_ALC_alcCloseDevice, "alcCloseDevice", (void**)&alcCloseDevice},
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{"alcCreateContext", "(ILjava/nio/IntBuffer;)Lorg/lwjgl/openal/ALCcontext;", (void*)&Java_org_lwjgl_openal_ALC_alcCreateContext, "alcCreateContext", (void**)&alcCreateContext},
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{"alcMakeContextCurrent", "(I)I", (void*)&Java_org_lwjgl_openal_ALC_alcMakeContextCurrent, "alcMakeContextCurrent", (void**)&alcMakeContextCurrent},
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{"nalcProcessContext", "(I)V", (void*)&Java_org_lwjgl_openal_ALC_nalcProcessContext, "alcProcessContext", (void**)&alcProcessContext},
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{"alcGetCurrentContext", "()Lorg/lwjgl/openal/ALCcontext;", (void*)&Java_org_lwjgl_openal_ALC_alcGetCurrentContext, "alcGetCurrentContext", (void**)&alcGetCurrentContext},
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{"alcGetContextsDevice", "(I)Lorg/lwjgl/openal/ALCdevice;", (void*)&Java_org_lwjgl_openal_ALC_alcGetContextsDevice, "alcGetContextsDevice", (void**)&alcGetContextsDevice},
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{"alcSuspendContext", "(I)V", (void*)&Java_org_lwjgl_openal_ALC_alcSuspendContext, "alcSuspendContext", (void**)&alcSuspendContext},
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{"alcDestroyContext", "(I)V", (void*)&Java_org_lwjgl_openal_ALC_alcDestroyContext, "alcDestroyContext", (void**)&alcDestroyContext},
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{"nalcGetError", "(I)I", (void*)&Java_org_lwjgl_openal_ALC_nalcGetError, "alcGetError", (void**)&alcGetError},
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{"nalcIsExtensionPresent", "(ILjava/lang/String;)Z", (void*)&Java_org_lwjgl_openal_ALC_nalcIsExtensionPresent, "alcIsExtensionPresent", (void**)&alcIsExtensionPresent},
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{"nalcGetEnumValue", "(ILjava/lang/String;)I", (void*)&Java_org_lwjgl_openal_ALC_nalcGetEnumValue, "alcGetEnumValue", (void**)&alcGetEnumValue}
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};
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int num_functions = NUMFUNCTIONS(functions);
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extal_InitializeClass(env, clazz, num_functions, functions);
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}
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}
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