288 lines
12 KiB
C
288 lines
12 KiB
C
/*
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* Copyright (c) 2002-2008 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: org_lwjgl_openal_ALC.c 2279 2006-02-23 19:22:00Z elias_naur $
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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: 2279 $
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*/
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/* OpenAL includes */
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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 ALCboolean (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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typedef ALCcontext* (ALCAPIENTRY *alcGetCurrentContextPROC)(ALCvoid);
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static alcGetCurrentContextPROC alcGetCurrentContext = NULL;
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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 jobject JNICALL Java_org_lwjgl_openal_ALC10_nalcGetString (JNIEnv *env, jclass clazz, jlong deviceaddress, jint token) {
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char* alcString = (char*) alcGetString((ALCdevice*)((intptr_t)deviceaddress), (ALenum) token);
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int length;
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int i=1;
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if (alcString == NULL) {
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return NULL;
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}
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// Special treatment of enumeration tokens
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// These are encoded using \0 between elements and a finishing \0\0
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switch(token) {
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case 0x1005: // ALC_DEVICE_SPECIFIER
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case 0x310: // ALC_CAPTURE_DEVICE_SPECIFIER
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// If deviceaddress is not 0, OpenAL returns a single device terminated by a
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// single \0 character, if token is ALC_DEVICE_SPECIFIER or
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// ALC_CAPTURE_DEVICE_SPECIFIER.
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if (deviceaddress != 0) {
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length = strlen(alcString);
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break;
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}
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case 0x1013: // ALC_ALL_DEVICES_SPECIFIER
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while (alcString[i - 1] != '\0' || alcString[i] != '\0') {
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i++;
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}
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length = i + 1;
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break;
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default: // e.g. ALC_DEFAULT_ALL_DEVICES_SPECIFIER
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length = strlen(alcString);
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}
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//return NewStringNativeWithLength(env, alcString, length);
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return safeNewBuffer(env, alcString, length);
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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_ALC10_nalcGetIntegerv (JNIEnv *env, jclass clazz, jlong deviceaddress, jint token, jint size, jlong dest) {
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ALint* dest_address = (ALint*)(intptr_t)dest;
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alcGetIntegerv((ALCdevice*)((intptr_t)deviceaddress), (ALenum) token, (ALsizei) size, dest_address);
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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 jlong JNICALL Java_org_lwjgl_openal_ALC10_nalcOpenDevice (JNIEnv *env, jclass clazz, jlong tokstr) {
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return (jlong)(intptr_t)alcOpenDevice((ALubyte *)(intptr_t)tokstr);
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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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* bool alcCloseDevice( ALCdevice *dev );
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*/
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static jboolean JNICALL Java_org_lwjgl_openal_ALC10_nalcCloseDevice (JNIEnv *env, jclass clazz, jlong deviceaddress) {
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return alcCloseDevice((ALCdevice*)((intptr_t)deviceaddress));
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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 jlong JNICALL Java_org_lwjgl_openal_ALC10_nalcCreateContext (JNIEnv *env, jclass clazz, jlong deviceaddress, jlong attrlist) {
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ALint* attrlist_address = (ALint*)(intptr_t)attrlist;
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ALCcontext* context;
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context = alcCreateContext((ALCdevice*)((intptr_t)deviceaddress), attrlist_address);
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return (jlong)((intptr_t)context);
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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_ALC10_nalcMakeContextCurrent (JNIEnv *env, jclass clazz, jlong contextaddress) {
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ALCcontext* context = (ALCcontext*)((intptr_t)contextaddress);
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return alcMakeContextCurrent(context);
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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_ALC10_nalcProcessContext (JNIEnv *env, jclass clazz, jlong contextaddress) {
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alcProcessContext((ALCcontext*)((intptr_t)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 jlong JNICALL Java_org_lwjgl_openal_ALC10_nalcGetCurrentContext (JNIEnv *env, jclass clazz) {
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ALCcontext* context = alcGetCurrentContext();
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return (jlong)((intptr_t)context);
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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 jlong JNICALL Java_org_lwjgl_openal_ALC10_nalcGetContextsDevice (JNIEnv *env, jclass clazz, jlong contextaddress) {
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ALCdevice* device = alcGetContextsDevice((ALCcontext*)((intptr_t)contextaddress));
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return (jlong)((intptr_t)device);
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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_ALC10_nalcSuspendContext (JNIEnv *env, jclass clazz, jlong contextaddress) {
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alcSuspendContext((ALCcontext*)((intptr_t)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_ALC10_nalcDestroyContext (JNIEnv *env, jclass clazz, jlong contextaddress) {
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alcDestroyContext((ALCcontext*)((intptr_t)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_ALC10_nalcGetError (JNIEnv *env, jclass clazz, jlong deviceaddress) {
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return alcGetError((ALCdevice*)((intptr_t)deviceaddress));
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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_ALC10_nalcIsExtensionPresent (JNIEnv *env, jclass clazz, jlong deviceaddress, jlong extName) {
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return (jboolean) alcIsExtensionPresent((ALCdevice*)((intptr_t)deviceaddress), (ALubyte*)(intptr_t)extName);
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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_ALC10_nalcGetEnumValue (JNIEnv *env, jclass clazz, jlong deviceaddress, jlong enumName) {
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return (jint) alcGetEnumValue((ALCdevice*)((intptr_t)deviceaddress), (ALubyte*)(intptr_t)enumName);
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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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#ifdef __cplusplus
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extern "C" {
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#endif
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JNIEXPORT void JNICALL Java_org_lwjgl_openal_ALC10_initNativeStubs(JNIEnv *env, jclass clazz) {
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JavaMethodAndExtFunction functions[] = {
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{"nalcGetString", "(JI)Ljava/nio/ByteBuffer;", (void*)&Java_org_lwjgl_openal_ALC10_nalcGetString, "alcGetString", (void*)&alcGetString, false},
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{"nalcGetIntegerv", "(JIIJ)V", (void*)&Java_org_lwjgl_openal_ALC10_nalcGetIntegerv, "alcGetIntegerv", (void*)&alcGetIntegerv, false},
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{"nalcOpenDevice", "(J)J", (void*)&Java_org_lwjgl_openal_ALC10_nalcOpenDevice, "alcOpenDevice", (void*)&alcOpenDevice, false},
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{"nalcCloseDevice", "(J)Z", (void*)&Java_org_lwjgl_openal_ALC10_nalcCloseDevice, "alcCloseDevice", (void*)&alcCloseDevice, false},
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{"nalcCreateContext", "(JJ)J", (void*)&Java_org_lwjgl_openal_ALC10_nalcCreateContext, "alcCreateContext", (void*)&alcCreateContext, false},
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{"nalcMakeContextCurrent", "(J)I", (void*)&Java_org_lwjgl_openal_ALC10_nalcMakeContextCurrent, "alcMakeContextCurrent", (void*)&alcMakeContextCurrent, false},
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{"nalcProcessContext", "(J)V", (void*)&Java_org_lwjgl_openal_ALC10_nalcProcessContext, "alcProcessContext", (void*)&alcProcessContext, false},
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{"nalcGetCurrentContext", "()J", (void*)&Java_org_lwjgl_openal_ALC10_nalcGetCurrentContext, "alcGetCurrentContext", (void*)&alcGetCurrentContext, false},
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{"nalcGetContextsDevice", "(J)J", (void*)&Java_org_lwjgl_openal_ALC10_nalcGetContextsDevice, "alcGetContextsDevice", (void*)&alcGetContextsDevice, false},
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{"nalcSuspendContext", "(J)V", (void*)&Java_org_lwjgl_openal_ALC10_nalcSuspendContext, "alcSuspendContext", (void*)&alcSuspendContext, false},
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{"nalcDestroyContext", "(J)V", (void*)&Java_org_lwjgl_openal_ALC10_nalcDestroyContext, "alcDestroyContext", (void*)&alcDestroyContext, false},
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{"nalcGetError", "(J)I", (void*)&Java_org_lwjgl_openal_ALC10_nalcGetError, "alcGetError", (void*)&alcGetError, false},
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{"nalcIsExtensionPresent", "(JJ)Z", (void*)&Java_org_lwjgl_openal_ALC10_nalcIsExtensionPresent, "alcIsExtensionPresent", (void*)&alcIsExtensionPresent, false},
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{"nalcGetEnumValue", "(JJ)I", (void*)&Java_org_lwjgl_openal_ALC10_nalcGetEnumValue, "alcGetEnumValue", (void*)&alcGetEnumValue, false}
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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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#ifdef __cplusplus
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}
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#endif
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