/*
* Loads the OpenAL shared lib, creates
* a context and device handle.
*/
qboolean
QAL_Init()
{
al_device = Cvar_Get("al_device", "", CVAR_ARCHIVE);
#ifdef DLOPEN_OPENAL
/* DEFAULT_OPENAL_DRIVER is defined at compile time via the compiler */
al_driver = Cvar_Get("al_driver", DEFAULT_OPENAL_DRIVER, CVAR_ARCHIVE);
Com_Printf("LoadLibrary(%s)\n", al_driver->string);
/* Load the library */
Sys_LoadLibrary(al_driver->string, NULL, &handle);
if (!handle)
{
Com_Printf("Loading %s failed! Disabling OpenAL.\n", al_driver->string);
return false;
}
# define ALSYMBOL(handle, sym) Sys_GetProcAddress(handle, #sym)
#else
handle = NULL;
# define ALSYMBOL(handle, sym) sym
#endif
/* Connect function pointers to management functions */
qalcCreateContext = ALSYMBOL(handle, alcCreateContext);
qalcMakeContextCurrent = ALSYMBOL(handle, alcMakeContextCurrent);
qalcProcessContext = ALSYMBOL(handle, alcProcessContext);
qalcSuspendContext = ALSYMBOL(handle, alcSuspendContext);
qalcDestroyContext = ALSYMBOL(handle, alcDestroyContext);
qalcGetCurrentContext = ALSYMBOL(handle, alcGetCurrentContext);
qalcGetContextsDevice = ALSYMBOL(handle, alcGetContextsDevice);
qalcOpenDevice = ALSYMBOL(handle, alcOpenDevice);
qalcCloseDevice = ALSYMBOL(handle, alcCloseDevice);
qalcGetError = ALSYMBOL(handle, alcGetError);
qalcIsExtensionPresent = ALSYMBOL(handle, alcIsExtensionPresent);
qalcGetProcAddress = ALSYMBOL(handle, alcGetProcAddress);
qalcGetEnumValue = ALSYMBOL(handle, alcGetEnumValue);
qalcGetString = ALSYMBOL(handle, alcGetString);
qalcGetIntegerv = ALSYMBOL(handle, alcGetIntegerv);
qalcCaptureOpenDevice = ALSYMBOL(handle, alcCaptureOpenDevice);
qalcCaptureCloseDevice = ALSYMBOL(handle, alcCaptureCloseDevice);
qalcCaptureStart = ALSYMBOL(handle, alcCaptureStart);
qalcCaptureStop = ALSYMBOL(handle, alcCaptureStop);
qalcCaptureSamples = ALSYMBOL(handle, alcCaptureSamples);
/* Connect function pointers to
to OpenAL API functions */
qalEnable = ALSYMBOL(handle, alEnable);
qalDisable = ALSYMBOL(handle, alDisable);
qalIsEnabled = ALSYMBOL(handle, alIsEnabled);
qalGetString = ALSYMBOL(handle, alGetString);
qalGetBooleanv = ALSYMBOL(handle, alGetBooleanv);
qalGetIntegerv = ALSYMBOL(handle, alGetIntegerv);
qalGetFloatv = ALSYMBOL(handle, alGetFloatv);
qalGetDoublev = ALSYMBOL(handle, alGetDoublev);
qalGetBoolean = ALSYMBOL(handle, alGetBoolean);
qalGetInteger = ALSYMBOL(handle, alGetInteger);
qalGetFloat = ALSYMBOL(handle, alGetFloat);
qalGetDouble = ALSYMBOL(handle, alGetDouble);
qalGetError = ALSYMBOL(handle, alGetError);
qalIsExtensionPresent = ALSYMBOL(handle, alIsExtensionPresent);
qalGetProcAddress = ALSYMBOL(handle, alGetProcAddress);
qalGetEnumValue = ALSYMBOL(handle, alGetEnumValue);
qalListenerf = ALSYMBOL(handle, alListenerf);
qalListener3f = ALSYMBOL(handle, alListener3f);
qalListenerfv = ALSYMBOL(handle, alListenerfv);
qalListeneri = ALSYMBOL(handle, alListeneri);
qalListener3i = ALSYMBOL(handle, alListener3i);
qalListeneriv = ALSYMBOL(handle, alListeneriv);
qalGetListenerf = ALSYMBOL(handle, alGetListenerf);
qalGetListener3f = ALSYMBOL(handle, alGetListener3f);
qalGetListenerfv = ALSYMBOL(handle, alGetListenerfv);
qalGetListeneri = ALSYMBOL(handle, alGetListeneri);
qalGetListener3i = ALSYMBOL(handle, alGetListener3i);
qalGetListeneriv = ALSYMBOL(handle, alGetListeneriv);
qalGenSources = ALSYMBOL(handle, alGenSources);
qalDeleteSources = ALSYMBOL(handle, alDeleteSources);
qalIsSource = ALSYMBOL(handle, alIsSource);
qalSourcef = ALSYMBOL(handle, alSourcef);
qalSource3f = ALSYMBOL(handle, alSource3f);
qalSourcefv = ALSYMBOL(handle, alSourcefv);
qalSourcei = ALSYMBOL(handle, alSourcei);
qalSource3i = ALSYMBOL(handle, alSource3i);
qalSourceiv = ALSYMBOL(handle, alSourceiv);
qalGetSourcef = ALSYMBOL(handle, alGetSourcef);
qalGetSource3f = ALSYMBOL(handle, alGetSource3f);
qalGetSourcefv = ALSYMBOL(handle, alGetSourcefv);
qalGetSourcei = ALSYMBOL(handle, alGetSourcei);
qalGetSource3i = ALSYMBOL(handle, alGetSource3i);
qalGetSourceiv = ALSYMBOL(handle, alGetSourceiv);
qalSourcePlayv = ALSYMBOL(handle, alSourcePlayv);
qalSourceStopv = ALSYMBOL(handle, alSourceStopv);
qalSourceRewindv = ALSYMBOL(handle, alSourceRewindv);
qalSourcePausev = ALSYMBOL(handle, alSourcePausev);
qalSourcePlay = ALSYMBOL(handle, alSourcePlay);
qalSourceStop = ALSYMBOL(handle, alSourceStop);
qalSourceRewind = ALSYMBOL(handle, alSourceRewind);
qalSourcePause = ALSYMBOL(handle, alSourcePause);
qalSourceQueueBuffers = ALSYMBOL(handle, alSourceQueueBuffers);
qalSourceUnqueueBuffers = ALSYMBOL(handle, alSourceUnqueueBuffers);
qalGenBuffers = ALSYMBOL(handle, alGenBuffers);
qalDeleteBuffers = ALSYMBOL(handle, alDeleteBuffers);
qalIsBuffer = ALSYMBOL(handle, alIsBuffer);
qalBufferData = ALSYMBOL(handle, alBufferData);
qalBufferf = ALSYMBOL(handle, alBufferf);
qalBuffer3f = ALSYMBOL(handle, alBuffer3f);
qalBufferfv = ALSYMBOL(handle, alBufferfv);
qalBufferi = ALSYMBOL(handle, alBufferi);
qalBuffer3i = ALSYMBOL(handle, alBuffer3i);
qalBufferiv = ALSYMBOL(handle, alBufferiv);
qalGetBufferf = ALSYMBOL(handle, alGetBufferf);
qalGetBuffer3f = ALSYMBOL(handle, alGetBuffer3f);
qalGetBufferfv = ALSYMBOL(handle, alGetBufferfv);
qalGetBufferi = ALSYMBOL(handle, alGetBufferi);
qalGetBuffer3i = ALSYMBOL(handle, alGetBuffer3i);
qalGetBufferiv = ALSYMBOL(handle, alGetBufferiv);
qalDopplerFactor = ALSYMBOL(handle, alDopplerFactor);
qalDopplerVelocity = ALSYMBOL(handle, alDopplerVelocity);
qalSpeedOfSound = ALSYMBOL(handle, alSpeedOfSound);
qalDistanceModel = ALSYMBOL(handle, alDistanceModel);
/* Open the OpenAL device */
Com_Printf("...opening OpenAL device:");
device = qalcOpenDevice(al_device->string[0] ? al_device->string : NULL);
if(!device)
{
Com_DPrintf("failed\n");
QAL_Shutdown();
return false;
}
Com_Printf("ok\n");
/* Create the OpenAL context */
Com_Printf("...creating OpenAL context: ");
context = qalcCreateContext(device, NULL);
if(!context)
{
Com_DPrintf("failed\n");
QAL_Shutdown();
return false;
}
Com_Printf("ok\n");
/* Set the created context as current context */
Com_Printf("...making context current: ");
if (!qalcMakeContextCurrent(context))
{
Com_DPrintf("failed\n");
QAL_Shutdown();
return false;
}
if (qalcIsExtensionPresent(device, "ALC_EXT_EFX") != AL_FALSE) {
qalGenFilters = qalGetProcAddress("alGenFilters");
qalFilteri = qalGetProcAddress("alFilteri");
qalFilterf = qalGetProcAddress("alFilterf");
qalDeleteFilters = qalGetProcAddress("alDeleteFilters");
} else {
qalGenFilters = NULL;
qalFilteri = NULL;
qalFilterf = NULL;
qalDeleteFilters = NULL;
}
Com_Printf("ok\n");
/* Print OpenAL informations */
Com_Printf("\n");
QAL_SoundInfo();
Com_Printf("\n");
return true;
}
/*
* Loads the OpenAL shared lib, creates
* a context and device handle.
*/
qboolean
QAL_Init()
{
/* DEFAULT_OPENAL_DRIVER is defined at compile time via the compiler */
al_driver = Cvar_Get("al_driver", DEFAULT_OPENAL_DRIVER, CVAR_ARCHIVE);
al_device = Cvar_Get("al_device", "", CVAR_ARCHIVE);
Com_Printf("LoadLibrary(%s)\n", al_driver->string);
/* Load the library */
Sys_LoadLibrary(al_driver->string, NULL, &handle);
if (!handle)
{
Com_Printf("Loading %s failed! Disabling OpenAL.\n", al_driver->string);
return false;
}
/* Connect function pointers to management functions */
qalcCreateContext = Sys_GetProcAddress(handle, "alcCreateContext");
qalcMakeContextCurrent = Sys_GetProcAddress(handle, "alcMakeContextCurrent");
qalcProcessContext = Sys_GetProcAddress(handle, "alcProcessContext");
qalcSuspendContext = Sys_GetProcAddress(handle, "alcSuspendContext");
qalcDestroyContext = Sys_GetProcAddress(handle, "alcDestroyContext");
qalcGetCurrentContext = Sys_GetProcAddress(handle, "alcGetCurrentContext");
qalcGetContextsDevice = Sys_GetProcAddress(handle, "alcGetContextsDevice");
qalcOpenDevice = Sys_GetProcAddress(handle, "alcOpenDevice");
qalcCloseDevice = Sys_GetProcAddress(handle, "alcCloseDevice");
qalcGetError = Sys_GetProcAddress(handle, "alcGetError");
qalcIsExtensionPresent = Sys_GetProcAddress(handle, "alcIsExtensionPresent");
qalcGetProcAddress = Sys_GetProcAddress(handle, "alcGetProcAddress");
qalcGetEnumValue = Sys_GetProcAddress(handle, "alcGetEnumValue");
qalcGetString = Sys_GetProcAddress(handle, "alcGetString");
qalcGetIntegerv = Sys_GetProcAddress(handle, "alcGetIntegerv");
qalcCaptureOpenDevice = Sys_GetProcAddress(handle, "alcCaptureOpenDevice");
qalcCaptureCloseDevice = Sys_GetProcAddress(handle, "alcCaptureCloseDevice");
qalcCaptureStart = Sys_GetProcAddress(handle, "alcCaptureStart");
qalcCaptureStop = Sys_GetProcAddress(handle, "alcCaptureStop");
qalcCaptureSamples = Sys_GetProcAddress(handle, "alcCaptureSamples");
/* Connect function pointers to
to OpenAL API functions */
qalEnable = Sys_GetProcAddress(handle, "alEnable");
qalDisable = Sys_GetProcAddress(handle, "alDisable");
qalIsEnabled = Sys_GetProcAddress(handle, "alIsEnabled");
qalGetString = Sys_GetProcAddress(handle, "alGetString");
qalGetBooleanv = Sys_GetProcAddress(handle, "alGetBooleanv");
qalGetIntegerv = Sys_GetProcAddress(handle, "alGetIntegerv");
qalGetFloatv = Sys_GetProcAddress(handle, "alGetFloatv");
qalGetDoublev = Sys_GetProcAddress(handle, "alGetDoublev");
qalGetBoolean = Sys_GetProcAddress(handle, "alGetBoolean");
qalGetInteger = Sys_GetProcAddress(handle, "alGetInteger");
qalGetFloat = Sys_GetProcAddress(handle, "alGetFloat");
qalGetDouble = Sys_GetProcAddress(handle, "alGetDouble");
qalGetError = Sys_GetProcAddress(handle, "alGetError");
qalIsExtensionPresent = Sys_GetProcAddress(handle, "alIsExtensionPresent");
qalGetProcAddress = Sys_GetProcAddress(handle, "alGetProcAddress");
qalGetEnumValue = Sys_GetProcAddress(handle, "alGetEnumValue");
qalListenerf = Sys_GetProcAddress(handle, "alListenerf");
qalListener3f = Sys_GetProcAddress(handle, "alListener3f");
qalListenerfv = Sys_GetProcAddress(handle, "alListenerfv");
qalListeneri = Sys_GetProcAddress(handle, "alListeneri");
qalListener3i = Sys_GetProcAddress(handle, "alListener3i");
qalListeneriv = Sys_GetProcAddress(handle, "alListeneriv");
qalGetListenerf = Sys_GetProcAddress(handle, "alGetListenerf");
qalGetListener3f = Sys_GetProcAddress(handle, "alGetListener3f");
qalGetListenerfv = Sys_GetProcAddress(handle, "alGetListenerfv");
qalGetListeneri = Sys_GetProcAddress(handle, "alGetListeneri");
qalGetListener3i = Sys_GetProcAddress(handle, "alGetListener3i");
qalGetListeneriv = Sys_GetProcAddress(handle, "alGetListeneriv");
qalGenSources = Sys_GetProcAddress(handle, "alGenSources");
qalDeleteSources = Sys_GetProcAddress(handle, "alDeleteSources");
qalIsSource = Sys_GetProcAddress(handle, "alIsSource");
qalSourcef = Sys_GetProcAddress(handle, "alSourcef");
qalSource3f = Sys_GetProcAddress(handle, "alSource3f");
qalSourcefv = Sys_GetProcAddress(handle, "alSourcefv");
qalSourcei = Sys_GetProcAddress(handle, "alSourcei");
qalSource3i = Sys_GetProcAddress(handle, "alSource3i");
qalSourceiv = Sys_GetProcAddress(handle, "alSourceiv");
qalGetSourcef = Sys_GetProcAddress(handle, "alGetSourcef");
qalGetSource3f = Sys_GetProcAddress(handle, "alGetSource3f");
qalGetSourcefv = Sys_GetProcAddress(handle, "alGetSourcefv");
qalGetSourcei = Sys_GetProcAddress(handle, "alGetSourcei");
qalGetSource3i = Sys_GetProcAddress(handle, "alGetSource3i");
qalGetSourceiv = Sys_GetProcAddress(handle, "alGetSourceiv");
qalSourcePlayv = Sys_GetProcAddress(handle, "alSourcePlayv");
qalSourceStopv = Sys_GetProcAddress(handle, "alSourceStopv");
qalSourceRewindv = Sys_GetProcAddress(handle, "alSourceRewindv");
qalSourcePausev = Sys_GetProcAddress(handle, "alSourcePausev");
qalSourcePlay = Sys_GetProcAddress(handle, "alSourcePlay");
qalSourceStop = Sys_GetProcAddress(handle, "alSourceStop");
qalSourceRewind = Sys_GetProcAddress(handle, "alSourceRewind");
qalSourcePause = Sys_GetProcAddress(handle, "alSourcePause");
qalSourceQueueBuffers = Sys_GetProcAddress(handle, "alSourceQueueBuffers");
qalSourceUnqueueBuffers = Sys_GetProcAddress(handle, "alSourceUnqueueBuffers");
qalGenBuffers = Sys_GetProcAddress(handle, "alGenBuffers");
qalDeleteBuffers = Sys_GetProcAddress(handle, "alDeleteBuffers");
qalIsBuffer = Sys_GetProcAddress(handle, "alIsBuffer");
qalBufferData = Sys_GetProcAddress(handle, "alBufferData");
qalBufferf = Sys_GetProcAddress(handle, "alBufferf");
qalBuffer3f = Sys_GetProcAddress(handle, "alBuffer3f");
qalBufferfv = Sys_GetProcAddress(handle, "alBufferfv");
qalBufferi = Sys_GetProcAddress(handle, "alBufferi");
qalBuffer3i = Sys_GetProcAddress(handle, "alBuffer3i");
qalBufferiv = Sys_GetProcAddress(handle, "alBufferiv");
qalGetBufferf = Sys_GetProcAddress(handle, "alGetBufferf");
qalGetBuffer3f = Sys_GetProcAddress(handle, "alGetBuffer3f");
qalGetBufferfv = Sys_GetProcAddress(handle, "alGetBufferfv");
qalGetBufferi = Sys_GetProcAddress(handle, "alGetBufferi");
qalGetBuffer3i = Sys_GetProcAddress(handle, "alGetBuffer3i");
qalGetBufferiv = Sys_GetProcAddress(handle, "alGetBufferiv");
qalDopplerFactor = Sys_GetProcAddress(handle, "alDopplerFactor");
qalDopplerVelocity = Sys_GetProcAddress(handle, "alDopplerVelocity");
qalSpeedOfSound = Sys_GetProcAddress(handle, "alSpeedOfSound");
qalDistanceModel = Sys_GetProcAddress(handle, "alDistanceModel");
#if !defined (__APPLE__)
qalGenFilters = Sys_GetProcAddress(handle, "alGenFilters");
qalFilteri = Sys_GetProcAddress(handle, "alFilteri");
qalFilterf = Sys_GetProcAddress(handle, "alFilterf");
qalDeleteFilters = Sys_GetProcAddress(handle, "alDeleteFilters");
#endif
/* Open the OpenAL device */
Com_Printf("...opening OpenAL device:");
device = qalcOpenDevice(al_device->string[0] ? al_device->string : NULL);
if(!device)
{
Com_DPrintf("failed\n");
QAL_Shutdown();
return false;
}
Com_Printf("ok\n");
/* Create the OpenAL context */
Com_Printf("...creating OpenAL context: ");
context = qalcCreateContext(device, NULL);
if(!context)
{
Com_DPrintf("failed\n");
QAL_Shutdown();
return false;
}
Com_Printf("ok\n");
/* Set the created context as current context */
Com_Printf("...making context current: ");
if (!qalcMakeContextCurrent(context))
{
Com_DPrintf("failed\n");
QAL_Shutdown();
return false;
}
Com_Printf("ok\n");
/* Print OpenAL informations */
Com_Printf("\n");
QAL_SoundInfo();
Com_Printf("\n");
return true;
}
