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Diffstat (limited to 'src/native/extal.c')
| -rw-r--r-- | src/native/extal.c | 416 |
1 files changed, 416 insertions, 0 deletions
diff --git a/src/native/extal.c b/src/native/extal.c new file mode 100644 index 0000000..f7998cc --- /dev/null +++ b/src/native/extal.c @@ -0,0 +1,416 @@ +/* + * Copyright (c) 2002 Light Weight Java Game Library Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions 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 'Light Weight Java Game Library' nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdio.h> +#include <jni.h> +#include "extal.h" + +#ifdef _X11 +#include <dlfcn.h> +#endif + +/** + * $Id$ + * + * This file contains the AL extension assigning mechanism + * + * @author Brian Matzon <[email protected]> + * @version $Revision$ + */ +alEnablePROC alEnable = NULL; +alDisablePROC alDisable = NULL; +alIsEnabledPROC alIsEnabled = NULL; +alHintPROC alHint = NULL; +alGetBooleanPROC alGetBoolean = NULL; +alGetIntegerPROC alGetInteger = NULL; +alGetFloatPROC alGetFloat = NULL; +alGetDoublePROC alGetDouble = NULL; +alGetBooleanvPROC alGetBooleanv = NULL; +alGetIntegervPROC alGetIntegerv = NULL; +alGetFloatvPROC alGetFloatv = NULL; +alGetDoublevPROC alGetDoublev = NULL; +alGetStringPROC alGetString = NULL; +alGetErrorPROC alGetError = NULL; +alIsExtensionPresentPROC alIsExtensionPresent = NULL; +alGetProcAddressPROC alGetProcAddress = NULL; +alGetEnumValuePROC alGetEnumValue = NULL; +alListeneriPROC alListeneri = NULL; +alListenerfPROC alListenerf = NULL; +alListener3fPROC alListener3f = NULL; +alListenerfvPROC alListenerfv = NULL; +alGetListeneriPROC alGetListeneri = NULL; +alGetListenerfPROC alGetListenerf = NULL; +alGetListener3fPROC alGetListener3f = NULL; +alGetListenerfvPROC alGetListenerfv = NULL; +alGenSourcesPROC alGenSources = NULL; +alDeleteSourcesPROC alDeleteSources = NULL; +alIsSourcePROC alIsSource = NULL; +alSourceiPROC alSourcei = NULL; +alSourcefPROC alSourcef = NULL; +alSource3fPROC alSource3f = NULL; +alSourcefvPROC alSourcefv = NULL; +alGetSourceiPROC alGetSourcei = NULL; +alGetSourcefPROC alGetSourcef = NULL; +alGetSource3fPROC alGetSource3f = NULL; +alGetSourcefvPROC alGetSourcefv = NULL; +alSourcePlayvPROC alSourcePlayv = NULL; +alSourcePausevPROC alSourcePausev = NULL; +alSourceStopvPROC alSourceStopv = NULL; +alSourceRewindvPROC alSourceRewindv = NULL; +alSourcePlayPROC alSourcePlay = NULL; +alSourcePausePROC alSourcePause = NULL; +alSourceStopPROC alSourceStop = NULL; +alSourceRewindPROC alSourceRewind = NULL; +alGenBuffersPROC alGenBuffers = NULL; +alDeleteBuffersPROC alDeleteBuffers = NULL; +alIsBufferPROC alIsBuffer = NULL; +alBufferDataPROC alBufferData = NULL; +alGetBufferiPROC alGetBufferi = NULL; +alGetBufferfPROC alGetBufferf = NULL; +alSourceQueueBuffersPROC alSourceQueueBuffers = NULL; +alSourceUnqueueBuffersPROC alSourceUnqueueBuffers = NULL; +alDistanceModelPROC alDistanceModel = NULL; +alDopplerFactorPROC alDopplerFactor = NULL; +alDopplerVelocityPROC alDopplerVelocity = NULL; +alcGetStringPROC alcGetString = NULL; +alcGetIntegervPROC alcGetIntegerv = NULL; +alcOpenDevicePROC alcOpenDevice = NULL; +alcCloseDevicePROC alcCloseDevice = NULL; +alcCreateContextPROC alcCreateContext = NULL; +alcMakeContextCurrentPROC alcMakeContextCurrent = NULL; +alcProcessContextPROC alcProcessContext = NULL; +alcGetCurrentContextPROC alcGetCurrentContext = NULL; +alcGetContextsDevicePROC alcGetContextsDevice = NULL; +alcSuspendContextPROC alcSuspendContext = NULL; +alcDestroyContextPROC alcDestroyContext = NULL; +alcGetErrorPROC alcGetError = NULL; +alcIsExtensionPresentPROC alcIsExtensionPresent = NULL; +alcGetProcAddressPROC alcGetProcAddress = NULL; +alcGetEnumValuePROC alcGetEnumValue = NULL; + +#ifdef _WIN32 +EAXSet eaxSet; // EAXSet function, ret$ +EAXGet eaxGet; // EAXGet function, ret$ + +/* Handle to OpenAL Library */ +HMODULE handleOAL; +#else +void* handleOAL; +#endif + +/* Loads OpenAL */ +void LoadOpenAL(); + +/* Unloads OpenAL */ +void UnLoadOpenAL(); + +/* Gets a pointer to the named function */ +void* GetFunctionPointer(const char* function); + +/* Loads OpenAL basic functions */ +int LoadAL(); + +/* Loads OpenAL ALC functions */ +int LoadALC(); + +/* Loads any extensions to OpenAL */ +int LoadALExtensions(); + +/** + * Retrieves a pointer to the named function + * + * @param function Name of function + * @return pointer to named function, or NULL if not found + */ +void* GetFunctionPointer(const char* function) { +#ifdef _WIN32 + return GetProcAddress(handleOAL, function); +#endif +#ifdef _X11 + return dlsym(handleOAL, function); +#endif +} + +/** + * Loads the OpenAL Library + */ +void LoadOpenAL(JNIEnv *env, jobjectArray oalPaths) { + jsize pathcount = (*env)->GetArrayLength(env,oalPaths); +#ifdef _DEBUG + printf("Found %d OpenAL paths\n", pathcount); +#endif + int i; + for(i=0;i<pathcount;i++) { + jstring path = (jstring) (*env)->GetObjectArrayElement(env,oalPaths, i); + const char *path_str = (*env)->GetStringUTFChars(env,path, NULL); +#ifdef _DEBUG + printf("Testing '%s'\n", path_str); +#endif +#ifdef _WIN32 + handleOAL = LoadLibrary(path_str); +#endif +#ifdef _X11 + handleOAL = dlopen(path_str, RTLD_LAZY); +#endif + if (handleOAL != NULL) { +#ifdef _DEBUG + printf("Found OpenAL at '%s'\n", path_str); +#endif + break; + } + (*env)->ReleaseStringUTFChars(env, path, path_str); + } +} + +/** + * Unloads the OpenAL Library + */ +void UnLoadOpenAL() { +#ifdef _WIN32 + FreeLibrary(handleOAL); +#endif +#ifdef _X11 + dlclose(handleOAL); +#endif +} + +/** + * Initializes OpenAL by loading the library + */ +int InitializeOpenAL(JNIEnv *env, jobjectArray oalPaths) { + if(handleOAL != 0) { + return JNI_TRUE; + } + + //load our library + LoadOpenAL(env, oalPaths); + + // if we couldn't load the library, get out + if(handleOAL == 0) { + return JNI_FALSE; + } + + //load basic OpenAL functions + if(!LoadAL()) { + return JNI_FALSE; + } + + //load OpenAL context functions + if(!LoadALC()) { + return JNI_FALSE; + } + + //load OpenAL extensions + if(!LoadALExtensions()) { + return JNI_FALSE; + } + + return JNI_TRUE; +} + +/** + * Called to deinitialize OpenAL + */ +void DeInitializeOpenAL() { + UnLoadOpenAL(); + handleOAL = 0; +} + +/** + * Loads the basic OpenAL functions + * + * @return true if all methods were loaded, false if one of the methods could not be loaded + */ +int LoadAL() { + alEnable = (alEnablePROC) GetFunctionPointer("alEnable"); + alDisable = (alDisablePROC) GetFunctionPointer("alDisable"); + alIsEnabled = (alIsEnabledPROC) GetFunctionPointer("alIsEnabled"); + //alHint = (alHintPROC) GetFunctionPointer("alHint"); + alGetBoolean = (alGetBooleanPROC) GetFunctionPointer("alGetBoolean"); + alGetInteger = (alGetIntegerPROC) GetFunctionPointer("alGetInteger"); + alGetFloat = (alGetFloatPROC) GetFunctionPointer("alGetFloat"); + alGetDouble = (alGetDoublePROC) GetFunctionPointer("alGetDouble"); + alGetBooleanv = (alGetBooleanvPROC) GetFunctionPointer("alGetBooleanv"); + alGetIntegerv = (alGetIntegervPROC) GetFunctionPointer("alGetIntegerv"); + alGetFloatv = (alGetFloatvPROC) GetFunctionPointer("alGetFloatv"); + alGetDoublev = (alGetDoublevPROC) GetFunctionPointer("alGetDoublev"); + alGetString = (alGetStringPROC) GetFunctionPointer("alGetString"); + alGetError = (alGetErrorPROC) GetFunctionPointer("alGetError"); + alIsExtensionPresent = (alIsExtensionPresentPROC) GetFunctionPointer("alIsExtensionPresent"); + alGetProcAddress = (alGetProcAddressPROC) GetFunctionPointer("alGetProcAddress"); + alGetEnumValue = (alGetEnumValuePROC) GetFunctionPointer("alGetEnumValue"); + alListeneri = (alListeneriPROC) GetFunctionPointer("alListeneri"); + alListenerf = (alListenerfPROC) GetFunctionPointer("alListenerf"); + alListener3f = (alListener3fPROC) GetFunctionPointer("alListener3f"); + alListenerfv = (alListenerfvPROC) GetFunctionPointer("alListenerfv"); + alGetListeneri = (alGetListeneriPROC) GetFunctionPointer("alGetListeneri"); + alGetListenerf = (alGetListenerfPROC) GetFunctionPointer("alGetListenerf"); + alGetListener3f = (alGetListener3fPROC) GetFunctionPointer("alGetListener3f"); + alGetListenerfv = (alGetListenerfvPROC) GetFunctionPointer("alGetListenerfv"); + alGenSources = (alGenSourcesPROC) GetFunctionPointer("alGenSources"); + alDeleteSources = (alDeleteSourcesPROC) GetFunctionPointer("alDeleteSources"); + alIsSource = (alIsSourcePROC) GetFunctionPointer("alIsSource"); + alSourcei = (alSourceiPROC) GetFunctionPointer("alSourcei"); + alSourcef = (alSourcefPROC) GetFunctionPointer("alSourcef"); + alSource3f = (alSource3fPROC) GetFunctionPointer("alSource3f"); + alSourcefv = (alSourcefvPROC) GetFunctionPointer("alSourcefv"); + alGetSourcei = (alGetSourceiPROC) GetFunctionPointer("alGetSourcei"); + alGetSourcef = (alGetSourcefPROC) GetFunctionPointer("alGetSourcef"); + alGetSource3f = (alGetSource3fPROC) GetFunctionPointer("alGetSource3f"); + alGetSourcefv = (alGetSourcefvPROC) GetFunctionPointer("alGetSourcefv"); + alSourcePlayv = (alSourcePlayvPROC) GetFunctionPointer("alSourcePlayv"); + alSourcePausev = (alSourcePausevPROC) GetFunctionPointer("alSourcePausev"); + alSourceStopv = (alSourceStopvPROC) GetFunctionPointer("alSourceStopv"); + alSourceRewindv = (alSourceRewindvPROC) GetFunctionPointer("alSourceRewindv"); + alSourcePlay = (alSourcePlayPROC) GetFunctionPointer("alSourcePlay"); + alSourcePause = (alSourcePausePROC) GetFunctionPointer("alSourcePause"); + alSourceStop = (alSourceStopPROC) GetFunctionPointer("alSourceStop"); + alSourceRewind = (alSourceRewindPROC) GetFunctionPointer("alSourceRewind"); + alGenBuffers = (alGenBuffersPROC) GetFunctionPointer("alGenBuffers"); + alDeleteBuffers = (alDeleteBuffersPROC) GetFunctionPointer("alDeleteBuffers"); + alIsBuffer = (alIsBufferPROC) GetFunctionPointer("alIsBuffer"); + alBufferData = (alBufferDataPROC) GetFunctionPointer("alBufferData"); + alGetBufferi = (alGetBufferiPROC) GetFunctionPointer("alGetBufferi"); + alGetBufferf = (alGetBufferfPROC) GetFunctionPointer("alGetBufferf"); + alSourceQueueBuffers = (alSourceQueueBuffersPROC) GetFunctionPointer("alSourceQueueBuffers"); + alSourceUnqueueBuffers = (alSourceUnqueueBuffersPROC) GetFunctionPointer("alSourceUnqueueBuffers"); + alDistanceModel = (alDistanceModelPROC) GetFunctionPointer("alDistanceModel"); + alDopplerFactor = (alDopplerFactorPROC) GetFunctionPointer("alDopplerFactor"); + alDopplerVelocity = (alDopplerVelocityPROC) GetFunctionPointer("alDopplerVelocity"); + + return + alEnable != NULL && + alDisable != NULL && + alIsEnabled != NULL && + //alHint != NULL && + alGetBoolean != NULL && + alGetInteger != NULL && + alGetFloat != NULL && + alGetDouble != NULL && + alGetBooleanv != NULL && + alGetIntegerv != NULL && + alGetFloatv != NULL && + alGetDoublev != NULL && + alGetString != NULL && + alGetError != NULL && + alIsExtensionPresent != NULL && + alGetProcAddress != NULL && + alGetEnumValue != NULL && + alListeneri != NULL && + alListenerf != NULL && + alListener3f != NULL && + alListenerfv != NULL && + alGetListeneri != NULL && + alGetListenerf != NULL && + alGetListener3f != NULL && + alGetListenerfv != NULL && + alGenSources != NULL && + alDeleteSources != NULL && + alIsSource != NULL && + alSourcei != NULL && + alSourcef != NULL && + alSource3f != NULL && + alSourcefv != NULL && + alGetSourcei != NULL && + alGetSourcef != NULL && + alGetSource3f != NULL && + alGetSourcefv != NULL && + alSourcePlayv != NULL && + alSourcePausev != NULL && + alSourceStopv != NULL && + alSourceRewindv != NULL && + alSourcePlay != NULL && + alSourcePause != NULL && + alSourceStop != NULL && + alSourceRewind != NULL && + alGenBuffers != NULL && + alDeleteBuffers != NULL && + alIsBuffer != NULL && + alBufferData != NULL && + alGetBufferi != NULL && + alGetBufferf != NULL && + alSourceQueueBuffers != NULL && + alSourceUnqueueBuffers != NULL && + alDistanceModel != NULL && + alDopplerFactor != NULL && + alDopplerVelocity != NULL; +} + +/** + * Loads the context OpenAL functions + * + * @return true if all methods were loaded, false if one of the methods could not be loaded + */ +int LoadALC() { + alcGetString = (alcGetStringPROC) GetFunctionPointer("alcGetString"); + alcGetIntegerv = (alcGetIntegervPROC) GetFunctionPointer("alcGetIntegerv"); + alcOpenDevice = (alcOpenDevicePROC) GetFunctionPointer("alcOpenDevice"); + alcCloseDevice = (alcCloseDevicePROC) GetFunctionPointer("alcCloseDevice"); + alcCreateContext = (alcCreateContextPROC) GetFunctionPointer("alcCreateContext"); + alcMakeContextCurrent = (alcMakeContextCurrentPROC) GetFunctionPointer("alcMakeContextCurrent"); + alcProcessContext = (alcProcessContextPROC) GetFunctionPointer("alcProcessContext"); + alcGetCurrentContext = (alcGetCurrentContextPROC) GetFunctionPointer("alcGetCurrentContext"); + alcGetContextsDevice = (alcGetContextsDevicePROC) GetFunctionPointer("alcGetContextsDevice"); + alcSuspendContext = (alcSuspendContextPROC) GetFunctionPointer("alcSuspendContext"); + alcDestroyContext = (alcDestroyContextPROC) GetFunctionPointer("alcDestroyContext"); + alcGetError = (alcGetErrorPROC) GetFunctionPointer("alcGetError"); + alcIsExtensionPresent = (alcIsExtensionPresentPROC) GetFunctionPointer("alcIsExtensionPresent"); + alcGetProcAddress = (alcGetProcAddressPROC) GetFunctionPointer("alcGetProcAddress"); + alcGetEnumValue = (alcGetEnumValuePROC) GetFunctionPointer("alcGetEnumValue"); + + return + alcGetString != NULL && + alcGetIntegerv != NULL && + alcOpenDevice != NULL && + alcCloseDevice != NULL && + alcCreateContext != NULL && + alcMakeContextCurrent != NULL && + alcProcessContext != NULL && + alcGetCurrentContext != NULL && + alcGetContextsDevice != NULL && + alcSuspendContext != NULL && + alcDestroyContext != NULL && + alcGetError != NULL && + alcIsExtensionPresent != NULL && + alcGetProcAddress != NULL && + alcGetEnumValue != NULL; +} + +/** + * Loads the OpenAL extensions functions + * + * @return true if all methods were loaded, false if one of the methods could not be loaded + */ +int LoadALExtensions() { + return JNI_TRUE; +} + |