diff options
Diffstat (limited to 'OpenAL32/alState.cpp')
| -rw-r--r-- | OpenAL32/alState.cpp | 818 |
1 files changed, 818 insertions, 0 deletions
diff --git a/OpenAL32/alState.cpp b/OpenAL32/alState.cpp new file mode 100644 index 00000000..b15c710d --- /dev/null +++ b/OpenAL32/alState.cpp @@ -0,0 +1,818 @@ +/** + * OpenAL cross platform audio library + * Copyright (C) 1999-2000 by authors. + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * Or go to http://www.gnu.org/copyleft/lgpl.html + */ + +#include "config.h" + +#include "version.h" + +#include <stdlib.h> +#include "alMain.h" +#include "AL/alc.h" +#include "AL/al.h" +#include "AL/alext.h" +#include "alError.h" +#include "alListener.h" +#include "alSource.h" +#include "alAuxEffectSlot.h" + +#include "backends/base.h" + + +namespace { + +constexpr ALchar alVendor[] = "OpenAL Community"; +constexpr ALchar alVersion[] = "1.1 ALSOFT " ALSOFT_VERSION; +constexpr ALchar alRenderer[] = "OpenAL Soft"; + +// Error Messages +constexpr ALchar alNoError[] = "No Error"; +constexpr ALchar alErrInvalidName[] = "Invalid Name"; +constexpr ALchar alErrInvalidEnum[] = "Invalid Enum"; +constexpr ALchar alErrInvalidValue[] = "Invalid Value"; +constexpr ALchar alErrInvalidOp[] = "Invalid Operation"; +constexpr ALchar alErrOutOfMemory[] = "Out of Memory"; + +/* Resampler strings */ +constexpr ALchar alPointResampler[] = "Nearest"; +constexpr ALchar alLinearResampler[] = "Linear"; +constexpr ALchar alCubicResampler[] = "Cubic"; +constexpr ALchar alBSinc12Resampler[] = "11th order Sinc"; +constexpr ALchar alBSinc24Resampler[] = "23rd order Sinc"; + +} // namespace + +/* WARNING: Non-standard export! Not part of any extension, or exposed in the + * alcFunctions list. + */ +extern "C" AL_API const ALchar* AL_APIENTRY alsoft_get_version(void) +{ + const char *spoof{getenv("ALSOFT_SPOOF_VERSION")}; + if(spoof && spoof[0] != '\0') return spoof; + return ALSOFT_VERSION; +} + +#define DO_UPDATEPROPS() do { \ + if(!ATOMIC_LOAD(&context->DeferUpdates, almemory_order_acquire)) \ + UpdateContextProps(context.get()); \ + else \ + ATOMIC_STORE(&context->PropsClean, AL_FALSE, almemory_order_release); \ +} while(0) + + +AL_API ALvoid AL_APIENTRY alEnable(ALenum capability) +{ + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return; + + almtx_lock(&context->PropLock); + switch(capability) + { + case AL_SOURCE_DISTANCE_MODEL: + context->SourceDistanceModel = AL_TRUE; + DO_UPDATEPROPS(); + break; + + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid enable property 0x%04x", capability); + } + almtx_unlock(&context->PropLock); +} + +AL_API ALvoid AL_APIENTRY alDisable(ALenum capability) +{ + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return; + + almtx_lock(&context->PropLock); + switch(capability) + { + case AL_SOURCE_DISTANCE_MODEL: + context->SourceDistanceModel = AL_FALSE; + DO_UPDATEPROPS(); + break; + + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid disable property 0x%04x", capability); + } + almtx_unlock(&context->PropLock); +} + +AL_API ALboolean AL_APIENTRY alIsEnabled(ALenum capability) +{ + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return AL_FALSE; + + ALboolean value{AL_FALSE}; + almtx_lock(&context->PropLock); + switch(capability) + { + case AL_SOURCE_DISTANCE_MODEL: + value = context->SourceDistanceModel; + break; + + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid is enabled property 0x%04x", capability); + } + almtx_unlock(&context->PropLock); + + return value; +} + +AL_API ALboolean AL_APIENTRY alGetBoolean(ALenum pname) +{ + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return AL_FALSE; + + ALboolean value{AL_FALSE}; + almtx_lock(&context->PropLock); + switch(pname) + { + case AL_DOPPLER_FACTOR: + if(context->DopplerFactor != 0.0f) + value = AL_TRUE; + break; + + case AL_DOPPLER_VELOCITY: + if(context->DopplerVelocity != 0.0f) + value = AL_TRUE; + break; + + case AL_DISTANCE_MODEL: + if(context->DistanceModel == AL_INVERSE_DISTANCE_CLAMPED) + value = AL_TRUE; + break; + + case AL_SPEED_OF_SOUND: + if(context->SpeedOfSound != 0.0f) + value = AL_TRUE; + break; + + case AL_DEFERRED_UPDATES_SOFT: + if(ATOMIC_LOAD(&context->DeferUpdates, almemory_order_acquire)) + value = AL_TRUE; + break; + + case AL_GAIN_LIMIT_SOFT: + if(GAIN_MIX_MAX/context->GainBoost != 0.0f) + value = AL_TRUE; + break; + + case AL_NUM_RESAMPLERS_SOFT: + /* Always non-0. */ + value = AL_TRUE; + break; + + case AL_DEFAULT_RESAMPLER_SOFT: + value = ResamplerDefault ? AL_TRUE : AL_FALSE; + break; + + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid boolean property 0x%04x", pname); + } + almtx_unlock(&context->PropLock); + + return value; +} + +AL_API ALdouble AL_APIENTRY alGetDouble(ALenum pname) +{ + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return 0.0; + + ALdouble value{0.0}; + almtx_lock(&context->PropLock); + switch(pname) + { + case AL_DOPPLER_FACTOR: + value = (ALdouble)context->DopplerFactor; + break; + + case AL_DOPPLER_VELOCITY: + value = (ALdouble)context->DopplerVelocity; + break; + + case AL_DISTANCE_MODEL: + value = (ALdouble)context->DistanceModel; + break; + + case AL_SPEED_OF_SOUND: + value = (ALdouble)context->SpeedOfSound; + break; + + case AL_DEFERRED_UPDATES_SOFT: + if(ATOMIC_LOAD(&context->DeferUpdates, almemory_order_acquire)) + value = (ALdouble)AL_TRUE; + break; + + case AL_GAIN_LIMIT_SOFT: + value = (ALdouble)GAIN_MIX_MAX/context->GainBoost; + break; + + case AL_NUM_RESAMPLERS_SOFT: + value = (ALdouble)(ResamplerMax + 1); + break; + + case AL_DEFAULT_RESAMPLER_SOFT: + value = (ALdouble)ResamplerDefault; + break; + + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid double property 0x%04x", pname); + } + almtx_unlock(&context->PropLock); + + return value; +} + +AL_API ALfloat AL_APIENTRY alGetFloat(ALenum pname) +{ + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return 0.0f; + + ALfloat value{0.0f}; + almtx_lock(&context->PropLock); + switch(pname) + { + case AL_DOPPLER_FACTOR: + value = context->DopplerFactor; + break; + + case AL_DOPPLER_VELOCITY: + value = context->DopplerVelocity; + break; + + case AL_DISTANCE_MODEL: + value = (ALfloat)context->DistanceModel; + break; + + case AL_SPEED_OF_SOUND: + value = context->SpeedOfSound; + break; + + case AL_DEFERRED_UPDATES_SOFT: + if(ATOMIC_LOAD(&context->DeferUpdates, almemory_order_acquire)) + value = (ALfloat)AL_TRUE; + break; + + case AL_GAIN_LIMIT_SOFT: + value = GAIN_MIX_MAX/context->GainBoost; + break; + + case AL_NUM_RESAMPLERS_SOFT: + value = (ALfloat)(ResamplerMax + 1); + break; + + case AL_DEFAULT_RESAMPLER_SOFT: + value = (ALfloat)ResamplerDefault; + break; + + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid float property 0x%04x", pname); + } + almtx_unlock(&context->PropLock); + + return value; +} + +AL_API ALint AL_APIENTRY alGetInteger(ALenum pname) +{ + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return 0; + + ALint value{0}; + almtx_lock(&context->PropLock); + switch(pname) + { + case AL_DOPPLER_FACTOR: + value = (ALint)context->DopplerFactor; + break; + + case AL_DOPPLER_VELOCITY: + value = (ALint)context->DopplerVelocity; + break; + + case AL_DISTANCE_MODEL: + value = (ALint)context->DistanceModel; + break; + + case AL_SPEED_OF_SOUND: + value = (ALint)context->SpeedOfSound; + break; + + case AL_DEFERRED_UPDATES_SOFT: + if(ATOMIC_LOAD(&context->DeferUpdates, almemory_order_acquire)) + value = (ALint)AL_TRUE; + break; + + case AL_GAIN_LIMIT_SOFT: + value = (ALint)(GAIN_MIX_MAX/context->GainBoost); + break; + + case AL_NUM_RESAMPLERS_SOFT: + value = ResamplerMax + 1; + break; + + case AL_DEFAULT_RESAMPLER_SOFT: + value = ResamplerDefault; + break; + + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid integer property 0x%04x", pname); + } + almtx_unlock(&context->PropLock); + + return value; +} + +extern "C" AL_API ALint64SOFT AL_APIENTRY alGetInteger64SOFT(ALenum pname) +{ + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return 0; + + ALint64SOFT value{0}; + almtx_lock(&context->PropLock); + switch(pname) + { + case AL_DOPPLER_FACTOR: + value = (ALint64SOFT)context->DopplerFactor; + break; + + case AL_DOPPLER_VELOCITY: + value = (ALint64SOFT)context->DopplerVelocity; + break; + + case AL_DISTANCE_MODEL: + value = (ALint64SOFT)context->DistanceModel; + break; + + case AL_SPEED_OF_SOUND: + value = (ALint64SOFT)context->SpeedOfSound; + break; + + case AL_DEFERRED_UPDATES_SOFT: + if(ATOMIC_LOAD(&context->DeferUpdates, almemory_order_acquire)) + value = (ALint64SOFT)AL_TRUE; + break; + + case AL_GAIN_LIMIT_SOFT: + value = (ALint64SOFT)(GAIN_MIX_MAX/context->GainBoost); + break; + + case AL_NUM_RESAMPLERS_SOFT: + value = (ALint64SOFT)(ResamplerMax + 1); + break; + + case AL_DEFAULT_RESAMPLER_SOFT: + value = (ALint64SOFT)ResamplerDefault; + break; + + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid integer64 property 0x%04x", pname); + } + almtx_unlock(&context->PropLock); + + return value; +} + +AL_API void* AL_APIENTRY alGetPointerSOFT(ALenum pname) +{ + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return nullptr; + + void *value{nullptr}; + almtx_lock(&context->PropLock); + switch(pname) + { + case AL_EVENT_CALLBACK_FUNCTION_SOFT: + value = reinterpret_cast<void*>(context->EventCb); + break; + + case AL_EVENT_CALLBACK_USER_PARAM_SOFT: + value = context->EventParam; + break; + + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid pointer property 0x%04x", pname); + } + almtx_unlock(&context->PropLock); + + return value; +} + +AL_API ALvoid AL_APIENTRY alGetBooleanv(ALenum pname, ALboolean *values) +{ + if(values) + { + switch(pname) + { + case AL_DOPPLER_FACTOR: + case AL_DOPPLER_VELOCITY: + case AL_DISTANCE_MODEL: + case AL_SPEED_OF_SOUND: + case AL_DEFERRED_UPDATES_SOFT: + case AL_GAIN_LIMIT_SOFT: + case AL_NUM_RESAMPLERS_SOFT: + case AL_DEFAULT_RESAMPLER_SOFT: + values[0] = alGetBoolean(pname); + return; + } + } + + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return; + + if(!values) + alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer"); + else switch(pname) + { + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid boolean-vector property 0x%04x", pname); + } +} + +AL_API ALvoid AL_APIENTRY alGetDoublev(ALenum pname, ALdouble *values) +{ + if(values) + { + switch(pname) + { + case AL_DOPPLER_FACTOR: + case AL_DOPPLER_VELOCITY: + case AL_DISTANCE_MODEL: + case AL_SPEED_OF_SOUND: + case AL_DEFERRED_UPDATES_SOFT: + case AL_GAIN_LIMIT_SOFT: + case AL_NUM_RESAMPLERS_SOFT: + case AL_DEFAULT_RESAMPLER_SOFT: + values[0] = alGetDouble(pname); + return; + } + } + + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return; + + if(!values) + alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer"); + else switch(pname) + { + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid double-vector property 0x%04x", pname); + } +} + +AL_API ALvoid AL_APIENTRY alGetFloatv(ALenum pname, ALfloat *values) +{ + if(values) + { + switch(pname) + { + case AL_DOPPLER_FACTOR: + case AL_DOPPLER_VELOCITY: + case AL_DISTANCE_MODEL: + case AL_SPEED_OF_SOUND: + case AL_DEFERRED_UPDATES_SOFT: + case AL_GAIN_LIMIT_SOFT: + case AL_NUM_RESAMPLERS_SOFT: + case AL_DEFAULT_RESAMPLER_SOFT: + values[0] = alGetFloat(pname); + return; + } + } + + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return; + + if(!values) + alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer"); + else switch(pname) + { + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid float-vector property 0x%04x", pname); + } +} + +AL_API ALvoid AL_APIENTRY alGetIntegerv(ALenum pname, ALint *values) +{ + if(values) + { + switch(pname) + { + case AL_DOPPLER_FACTOR: + case AL_DOPPLER_VELOCITY: + case AL_DISTANCE_MODEL: + case AL_SPEED_OF_SOUND: + case AL_DEFERRED_UPDATES_SOFT: + case AL_GAIN_LIMIT_SOFT: + case AL_NUM_RESAMPLERS_SOFT: + case AL_DEFAULT_RESAMPLER_SOFT: + values[0] = alGetInteger(pname); + return; + } + } + + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return; + + if(!values) + alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer"); + else switch(pname) + { + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid integer-vector property 0x%04x", pname); + } +} + +extern "C" AL_API void AL_APIENTRY alGetInteger64vSOFT(ALenum pname, ALint64SOFT *values) +{ + if(values) + { + switch(pname) + { + case AL_DOPPLER_FACTOR: + case AL_DOPPLER_VELOCITY: + case AL_DISTANCE_MODEL: + case AL_SPEED_OF_SOUND: + case AL_DEFERRED_UPDATES_SOFT: + case AL_GAIN_LIMIT_SOFT: + case AL_NUM_RESAMPLERS_SOFT: + case AL_DEFAULT_RESAMPLER_SOFT: + values[0] = alGetInteger64SOFT(pname); + return; + } + } + + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return; + + if(!values) + alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer"); + else switch(pname) + { + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid integer64-vector property 0x%04x", pname); + } +} + +AL_API void AL_APIENTRY alGetPointervSOFT(ALenum pname, void **values) +{ + if(values) + { + switch(pname) + { + case AL_EVENT_CALLBACK_FUNCTION_SOFT: + case AL_EVENT_CALLBACK_USER_PARAM_SOFT: + values[0] = alGetPointerSOFT(pname); + return; + } + } + + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return; + + if(!values) + alSetError(context.get(), AL_INVALID_VALUE, "NULL pointer"); + else switch(pname) + { + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid pointer-vector property 0x%04x", pname); + } +} + +AL_API const ALchar* AL_APIENTRY alGetString(ALenum pname) +{ + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return nullptr; + + const ALchar *value{nullptr}; + switch(pname) + { + case AL_VENDOR: + value = alVendor; + break; + + case AL_VERSION: + value = alVersion; + break; + + case AL_RENDERER: + value = alRenderer; + break; + + case AL_EXTENSIONS: + value = context->ExtensionList; + break; + + case AL_NO_ERROR: + value = alNoError; + break; + + case AL_INVALID_NAME: + value = alErrInvalidName; + break; + + case AL_INVALID_ENUM: + value = alErrInvalidEnum; + break; + + case AL_INVALID_VALUE: + value = alErrInvalidValue; + break; + + case AL_INVALID_OPERATION: + value = alErrInvalidOp; + break; + + case AL_OUT_OF_MEMORY: + value = alErrOutOfMemory; + break; + + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid string property 0x%04x", pname); + } + return value; +} + +AL_API ALvoid AL_APIENTRY alDopplerFactor(ALfloat value) +{ + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return; + + if(!(value >= 0.0f && isfinite(value))) + alSetError(context.get(), AL_INVALID_VALUE, "Doppler factor %f out of range", value); + else + { + almtx_lock(&context->PropLock); + context->DopplerFactor = value; + DO_UPDATEPROPS(); + almtx_unlock(&context->PropLock); + } +} + +AL_API ALvoid AL_APIENTRY alDopplerVelocity(ALfloat value) +{ + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return; + + if((ATOMIC_LOAD(&context->EnabledEvts, almemory_order_relaxed)&EventType_Deprecated)) + { + static constexpr ALCchar msg[] = + "alDopplerVelocity is deprecated in AL1.1, use alSpeedOfSound"; + const ALsizei msglen = (ALsizei)strlen(msg); + ALbitfieldSOFT enabledevts; + almtx_lock(&context->EventCbLock); + enabledevts = ATOMIC_LOAD(&context->EnabledEvts, almemory_order_relaxed); + if((enabledevts&EventType_Deprecated) && context->EventCb) + (*context->EventCb)(AL_EVENT_TYPE_DEPRECATED_SOFT, 0, 0, msglen, msg, + context->EventParam); + almtx_unlock(&context->EventCbLock); + } + + if(!(value >= 0.0f && isfinite(value))) + alSetError(context.get(), AL_INVALID_VALUE, "Doppler velocity %f out of range", value); + else + { + almtx_lock(&context->PropLock); + context->DopplerVelocity = value; + DO_UPDATEPROPS(); + almtx_unlock(&context->PropLock); + } +} + +AL_API ALvoid AL_APIENTRY alSpeedOfSound(ALfloat value) +{ + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return; + + if(!(value > 0.0f && isfinite(value))) + alSetError(context.get(), AL_INVALID_VALUE, "Speed of sound %f out of range", value); + else + { + almtx_lock(&context->PropLock); + context->SpeedOfSound = value; + DO_UPDATEPROPS(); + almtx_unlock(&context->PropLock); + } +} + +AL_API ALvoid AL_APIENTRY alDistanceModel(ALenum value) +{ + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return; + + if(!(value == AL_INVERSE_DISTANCE || value == AL_INVERSE_DISTANCE_CLAMPED || + value == AL_LINEAR_DISTANCE || value == AL_LINEAR_DISTANCE_CLAMPED || + value == AL_EXPONENT_DISTANCE || value == AL_EXPONENT_DISTANCE_CLAMPED || + value == AL_NONE)) + alSetError(context.get(), AL_INVALID_VALUE, "Distance model 0x%04x out of range", value); + else + { + almtx_lock(&context->PropLock); + context->DistanceModel = static_cast<enum DistanceModel>(value); + if(!context->SourceDistanceModel) + DO_UPDATEPROPS(); + almtx_unlock(&context->PropLock); + } +} + + +AL_API ALvoid AL_APIENTRY alDeferUpdatesSOFT(void) +{ + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return; + + ALCcontext_DeferUpdates(context.get()); +} + +AL_API ALvoid AL_APIENTRY alProcessUpdatesSOFT(void) +{ + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return; + + ALCcontext_ProcessUpdates(context.get()); +} + + +AL_API const ALchar* AL_APIENTRY alGetStringiSOFT(ALenum pname, ALsizei index) +{ + const char *ResamplerNames[] = { + alPointResampler, alLinearResampler, + alCubicResampler, alBSinc12Resampler, + alBSinc24Resampler, + }; + static_assert(COUNTOF(ResamplerNames) == ResamplerMax+1, "Incorrect ResamplerNames list"); + + ContextRef context{GetContextRef()}; + if(UNLIKELY(!context)) return nullptr; + + const ALchar *value{nullptr}; + switch(pname) + { + case AL_RESAMPLER_NAME_SOFT: + if(index < 0 || (size_t)index >= COUNTOF(ResamplerNames)) + alSetError(context.get(), AL_INVALID_VALUE, "Resampler name index %d out of range", + index); + else + value = ResamplerNames[index]; + break; + + default: + alSetError(context.get(), AL_INVALID_VALUE, "Invalid string indexed property"); + } + return value; +} + + +void UpdateContextProps(ALCcontext *context) +{ + /* Get an unused proprty container, or allocate a new one as needed. */ + struct ALcontextProps *props{ATOMIC_LOAD(&context->FreeContextProps, almemory_order_acquire)}; + if(!props) + props = static_cast<ALcontextProps*>(al_calloc(16, sizeof(*props))); + else + { + struct ALcontextProps *next; + do { + next = ATOMIC_LOAD(&props->next, almemory_order_relaxed); + } while(ATOMIC_COMPARE_EXCHANGE_PTR_WEAK(&context->FreeContextProps, &props, next, + almemory_order_seq_cst, almemory_order_acquire) == 0); + } + + /* Copy in current property values. */ + props->MetersPerUnit = context->MetersPerUnit; + + props->DopplerFactor = context->DopplerFactor; + props->DopplerVelocity = context->DopplerVelocity; + props->SpeedOfSound = context->SpeedOfSound; + + props->SourceDistanceModel = context->SourceDistanceModel; + props->DistanceModel = context->DistanceModel; + + /* Set the new container for updating internal parameters. */ + props = static_cast<ALcontextProps*>(ATOMIC_EXCHANGE_PTR(&context->Update, props, + almemory_order_acq_rel)); + if(props) + { + /* If there was an unused update container, put it back in the + * freelist. + */ + ATOMIC_REPLACE_HEAD(struct ALcontextProps*, &context->FreeContextProps, props); + } +} |