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axmol/3rdparty/openal/alc/context.cpp

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#include "config.h"
#include "context.h"
#include <algorithm>
#include <array>
#include <cstring>
#include <functional>
#include <limits>
#include <numeric>
#include <stddef.h>
#include <stdexcept>
#include <string_view>
#include <utility>
#include "AL/efx.h"
#include "al/auxeffectslot.h"
#include "al/debug.h"
#include "al/source.h"
#include "al/effect.h"
#include "al/event.h"
#include "al/listener.h"
#include "albit.h"
#include "alc/alu.h"
#include "alspan.h"
#include "core/async_event.h"
#include "core/device.h"
#include "core/effectslot.h"
#include "core/logging.h"
#include "core/voice.h"
#include "core/voice_change.h"
#include "device.h"
#include "ringbuffer.h"
#include "vecmat.h"
#ifdef ALSOFT_EAX
#include <cstring>
#include "alstring.h"
#include "al/eax/globals.h"
#endif // ALSOFT_EAX
namespace {
using namespace std::placeholders;
using voidp = void*;
/* Default context extensions */
std::vector<std::string_view> getContextExtensions() noexcept
{
return std::vector<std::string_view>{
"AL_EXT_ALAW",
"AL_EXT_BFORMAT",
"AL_EXT_debug",
"AL_EXTX_direct_context",
"AL_EXT_DOUBLE",
"AL_EXT_EXPONENT_DISTANCE",
"AL_EXT_FLOAT32",
"AL_EXT_IMA4",
"AL_EXT_LINEAR_DISTANCE",
"AL_EXT_MCFORMATS",
"AL_EXT_MULAW",
"AL_EXT_MULAW_BFORMAT",
"AL_EXT_MULAW_MCFORMATS",
"AL_EXT_OFFSET",
"AL_EXT_source_distance_model",
"AL_EXT_SOURCE_RADIUS",
"AL_EXT_STATIC_BUFFER",
"AL_EXT_STEREO_ANGLES",
"AL_LOKI_quadriphonic",
"AL_SOFT_bformat_ex",
"AL_SOFTX_bformat_hoa",
"AL_SOFT_block_alignment",
"AL_SOFT_buffer_length_query",
"AL_SOFT_callback_buffer",
"AL_SOFTX_convolution_reverb",
"AL_SOFT_deferred_updates",
"AL_SOFT_direct_channels",
"AL_SOFT_direct_channels_remix",
"AL_SOFT_effect_target",
"AL_SOFT_events",
"AL_SOFT_gain_clamp_ex",
"AL_SOFTX_hold_on_disconnect",
"AL_SOFT_loop_points",
"AL_SOFTX_map_buffer",
"AL_SOFT_MSADPCM",
"AL_SOFT_source_latency",
"AL_SOFT_source_length",
"AL_SOFT_source_resampler",
"AL_SOFT_source_spatialize",
"AL_SOFT_source_start_delay",
"AL_SOFT_UHJ",
"AL_SOFT_UHJ_ex",
};
}
} // namespace
std::atomic<bool> ALCcontext::sGlobalContextLock{false};
std::atomic<ALCcontext*> ALCcontext::sGlobalContext{nullptr};
ALCcontext::ThreadCtx::~ThreadCtx()
{
if(ALCcontext *ctx{std::exchange(ALCcontext::sLocalContext, nullptr)})
{
const bool result{ctx->releaseIfNoDelete()};
ERR("Context %p current for thread being destroyed%s!\n", voidp{ctx},
result ? "" : ", leak detected");
}
}
thread_local ALCcontext::ThreadCtx ALCcontext::sThreadContext;
ALeffect ALCcontext::sDefaultEffect;
ALCcontext::ALCcontext(al::intrusive_ptr<ALCdevice> device, ContextFlagBitset flags)
: ContextBase{device.get()}, mALDevice{std::move(device)}, mContextFlags{flags}
{
mDebugGroups.emplace_back(DebugSource::Other, 0, std::string{});
mDebugEnabled.store(mContextFlags.test(ContextFlags::DebugBit), std::memory_order_relaxed);
}
ALCcontext::~ALCcontext()
{
TRACE("Freeing context %p\n", voidp{this});
size_t count{std::accumulate(mSourceList.cbegin(), mSourceList.cend(), 0_uz,
[](size_t cur, const SourceSubList &sublist) noexcept -> size_t
{ return cur + static_cast<uint>(al::popcount(~sublist.FreeMask)); })};
if(count > 0)
WARN("%zu Source%s not deleted\n", count, (count==1)?"":"s");
mSourceList.clear();
mNumSources = 0;
#ifdef ALSOFT_EAX
eaxUninitialize();
#endif // ALSOFT_EAX
mDefaultSlot = nullptr;
count = std::accumulate(mEffectSlotList.cbegin(), mEffectSlotList.cend(), 0_uz,
[](size_t cur, const EffectSlotSubList &sublist) noexcept -> size_t
{ return cur + static_cast<uint>(al::popcount(~sublist.FreeMask)); });
if(count > 0)
WARN("%zu AuxiliaryEffectSlot%s not deleted\n", count, (count==1)?"":"s");
mEffectSlotList.clear();
mNumEffectSlots = 0;
}
void ALCcontext::init()
{
if(sDefaultEffect.type != AL_EFFECT_NULL && mDevice->Type == DeviceType::Playback)
{
mDefaultSlot = std::make_unique<ALeffectslot>(this);
aluInitEffectPanning(mDefaultSlot->mSlot, this);
}
EffectSlotArray *auxslots;
if(!mDefaultSlot)
auxslots = EffectSlot::CreatePtrArray(0);
else
{
auxslots = EffectSlot::CreatePtrArray(1);
(*auxslots)[0] = mDefaultSlot->mSlot;
mDefaultSlot->mState = SlotState::Playing;
}
mActiveAuxSlots.store(auxslots, std::memory_order_relaxed);
allocVoiceChanges();
{
VoiceChange *cur{mVoiceChangeTail};
while(VoiceChange *next{cur->mNext.load(std::memory_order_relaxed)})
cur = next;
mCurrentVoiceChange.store(cur, std::memory_order_relaxed);
}
mExtensions = getContextExtensions();
if(sBufferSubDataCompat)
{
auto iter = std::find(mExtensions.begin(), mExtensions.end(), "AL_EXT_SOURCE_RADIUS");
if(iter != mExtensions.end()) mExtensions.erase(iter);
/* TODO: Would be nice to sort this alphabetically. Needs case-
* insensitive searching.
*/
mExtensions.emplace_back("AL_SOFT_buffer_sub_data");
}
#ifdef ALSOFT_EAX
eax_initialize_extensions();
#endif // ALSOFT_EAX
if(!mExtensions.empty())
{
const size_t len{std::accumulate(mExtensions.cbegin()+1, mExtensions.cend(),
mExtensions.front().length(),
[](size_t current, std::string_view ext) noexcept
{ return current + ext.length() + 1; })};
std::string extensions;
extensions.reserve(len);
extensions += mExtensions.front();
for(std::string_view ext : al::span{mExtensions}.subspan<1>())
{
extensions += ' ';
extensions += ext;
}
mExtensionsString = std::move(extensions);
}
mParams.Position = alu::Vector{0.0f, 0.0f, 0.0f, 1.0f};
mParams.Matrix = alu::Matrix::Identity();
mParams.Velocity = alu::Vector{};
mParams.Gain = mListener.Gain;
mParams.MetersPerUnit = mListener.mMetersPerUnit;
mParams.AirAbsorptionGainHF = mAirAbsorptionGainHF;
mParams.DopplerFactor = mDopplerFactor;
mParams.SpeedOfSound = mSpeedOfSound * mDopplerVelocity;
mParams.SourceDistanceModel = mSourceDistanceModel;
mParams.mDistanceModel = mDistanceModel;
mAsyncEvents = RingBuffer::Create(511, sizeof(AsyncEvent), false);
StartEventThrd(this);
allocVoices(256);
mActiveVoiceCount.store(64, std::memory_order_relaxed);
}
bool ALCcontext::deinit()
{
if(sLocalContext == this)
{
WARN("%p released while current on thread\n", voidp{this});
sThreadContext.set(nullptr);
dec_ref();
}
ALCcontext *origctx{this};
if(sGlobalContext.compare_exchange_strong(origctx, nullptr))
{
while(sGlobalContextLock.load()) {
/* Wait to make sure another thread didn't get the context and is
* trying to increment its refcount.
*/
}
dec_ref();
}
bool ret{};
/* First make sure this context exists in the device's list. */
auto *oldarray = mDevice->mContexts.load(std::memory_order_acquire);
if(auto toremove = static_cast<size_t>(std::count(oldarray->begin(), oldarray->end(), this)))
{
using ContextArray = al::FlexArray<ContextBase*>;
auto alloc_ctx_array = [](const size_t count) -> ContextArray*
{
if(count == 0) return &DeviceBase::sEmptyContextArray;
return ContextArray::Create(count).release();
};
auto *newarray = alloc_ctx_array(oldarray->size() - toremove);
/* Copy the current/old context handles to the new array, excluding the
* given context.
*/
std::copy_if(oldarray->begin(), oldarray->end(), newarray->begin(),
[this](ContextBase *ctx) { return ctx != this; });
/* Store the new context array in the device. Wait for any current mix
* to finish before deleting the old array.
*/
mDevice->mContexts.store(newarray);
if(oldarray != &DeviceBase::sEmptyContextArray)
{
mDevice->waitForMix();
delete oldarray;
}
ret = !newarray->empty();
}
else
ret = !oldarray->empty();
StopEventThrd(this);
return ret;
}
void ALCcontext::applyAllUpdates()
{
/* Tell the mixer to stop applying updates, then wait for any active
* updating to finish, before providing updates.
*/
mHoldUpdates.store(true, std::memory_order_release);
while((mUpdateCount.load(std::memory_order_acquire)&1) != 0) {
/* busy-wait */
}
#ifdef ALSOFT_EAX
if(mEaxNeedsCommit)
eaxCommit();
#endif
if(std::exchange(mPropsDirty, false))
UpdateContextProps(this);
UpdateAllEffectSlotProps(this);
UpdateAllSourceProps(this);
/* Now with all updates declared, let the mixer continue applying them so
* they all happen at once.
*/
mHoldUpdates.store(false, std::memory_order_release);
}
#ifdef ALSOFT_EAX
namespace {
template<typename F>
void ForEachSource(ALCcontext *context, F func)
{
for(auto &sublist : context->mSourceList)
{
uint64_t usemask{~sublist.FreeMask};
while(usemask)
{
const int idx{al::countr_zero(usemask)};
usemask &= ~(1_u64 << idx);
func(sublist.Sources[idx]);
}
}
}
} // namespace
bool ALCcontext::eaxIsCapable() const noexcept
{
return eax_has_enough_aux_sends();
}
void ALCcontext::eaxUninitialize() noexcept
{
if(!mEaxIsInitialized)
return;
mEaxIsInitialized = false;
mEaxIsTried = false;
mEaxFxSlots.uninitialize();
}
ALenum ALCcontext::eax_eax_set(
const GUID* property_set_id,
ALuint property_id,
ALuint property_source_id,
ALvoid* property_value,
ALuint property_value_size)
{
const auto call = create_eax_call(
EaxCallType::set,
property_set_id,
property_id,
property_source_id,
property_value,
property_value_size);
eax_initialize();
switch(call.get_property_set_id())
{
case EaxCallPropertySetId::context:
eax_set(call);
break;
case EaxCallPropertySetId::fx_slot:
case EaxCallPropertySetId::fx_slot_effect:
eax_dispatch_fx_slot(call);
break;
case EaxCallPropertySetId::source:
eax_dispatch_source(call);
break;
default:
eax_fail_unknown_property_set_id();
}
mEaxNeedsCommit = true;
if(!call.is_deferred())
{
eaxCommit();
if(!mDeferUpdates)
applyAllUpdates();
}
return AL_NO_ERROR;
}
ALenum ALCcontext::eax_eax_get(
const GUID* property_set_id,
ALuint property_id,
ALuint property_source_id,
ALvoid* property_value,
ALuint property_value_size)
{
const auto call = create_eax_call(
EaxCallType::get,
property_set_id,
property_id,
property_source_id,
property_value,
property_value_size);
eax_initialize();
switch(call.get_property_set_id())
{
case EaxCallPropertySetId::context:
eax_get(call);
break;
case EaxCallPropertySetId::fx_slot:
case EaxCallPropertySetId::fx_slot_effect:
eax_dispatch_fx_slot(call);
break;
case EaxCallPropertySetId::source:
eax_dispatch_source(call);
break;
default:
eax_fail_unknown_property_set_id();
}
return AL_NO_ERROR;
}
void ALCcontext::eaxSetLastError() noexcept
{
mEaxLastError = EAXERR_INVALID_OPERATION;
}
[[noreturn]] void ALCcontext::eax_fail(const char* message)
{
throw ContextException{message};
}
[[noreturn]] void ALCcontext::eax_fail_unknown_property_set_id()
{
eax_fail("Unknown property ID.");
}
[[noreturn]] void ALCcontext::eax_fail_unknown_primary_fx_slot_id()
{
eax_fail("Unknown primary FX Slot ID.");
}
[[noreturn]] void ALCcontext::eax_fail_unknown_property_id()
{
eax_fail("Unknown property ID.");
}
[[noreturn]] void ALCcontext::eax_fail_unknown_version()
{
eax_fail("Unknown version.");
}
void ALCcontext::eax_initialize_extensions()
{
if(!eax_g_is_enabled)
return;
mExtensions.emplace(mExtensions.begin(), eax_x_ram_ext_name);
if(eaxIsCapable())
{
mExtensions.emplace(mExtensions.begin(), eax5_ext_name);
mExtensions.emplace(mExtensions.begin(), eax4_ext_name);
mExtensions.emplace(mExtensions.begin(), eax3_ext_name);
mExtensions.emplace(mExtensions.begin(), eax2_ext_name);
mExtensions.emplace(mExtensions.begin(), eax1_ext_name);
}
}
void ALCcontext::eax_initialize()
{
if(mEaxIsInitialized)
return;
if(mEaxIsTried)
eax_fail("No EAX.");
mEaxIsTried = true;
if(!eax_g_is_enabled)
eax_fail("EAX disabled by a configuration.");
eax_ensure_compatibility();
eax_set_defaults();
eax_context_commit_air_absorbtion_hf();
eax_update_speaker_configuration();
eax_initialize_fx_slots();
mEaxIsInitialized = true;
}
bool ALCcontext::eax_has_no_default_effect_slot() const noexcept
{
return mDefaultSlot == nullptr;
}
void ALCcontext::eax_ensure_no_default_effect_slot() const
{
if(!eax_has_no_default_effect_slot())
eax_fail("There is a default effect slot in the context.");
}
bool ALCcontext::eax_has_enough_aux_sends() const noexcept
{
return mALDevice->NumAuxSends >= EAX_MAX_FXSLOTS;
}
void ALCcontext::eax_ensure_enough_aux_sends() const
{
if(!eax_has_enough_aux_sends())
eax_fail("Not enough aux sends.");
}
void ALCcontext::eax_ensure_compatibility()
{
eax_ensure_enough_aux_sends();
}
unsigned long ALCcontext::eax_detect_speaker_configuration() const
{
#define EAX_PREFIX "[EAX_DETECT_SPEAKER_CONFIG]"
switch(mDevice->FmtChans)
{
case DevFmtMono: return SPEAKERS_2;
case DevFmtStereo:
/* Pretend 7.1 if using UHJ output, since they both provide full
* horizontal surround.
*/
if(mDevice->mUhjEncoder)
return SPEAKERS_7;
if(mDevice->Flags.test(DirectEar))
return HEADPHONES;
return SPEAKERS_2;
case DevFmtQuad: return SPEAKERS_4;
case DevFmtX51: return SPEAKERS_5;
case DevFmtX61: return SPEAKERS_6;
case DevFmtX71: return SPEAKERS_7;
/* 7.1.4 is compatible with 7.1. This could instead be HEADPHONES to
* suggest with-height surround sound (like HRTF).
*/
case DevFmtX714: return SPEAKERS_7;
/* 3D7.1 is only compatible with 5.1. This could instead be HEADPHONES to
* suggest full-sphere surround sound (like HRTF).
*/
case DevFmtX3D71: return SPEAKERS_5;
/* This could also be HEADPHONES, since headphones-based HRTF and Ambi3D
* provide full-sphere surround sound. Depends if apps are more likely to
* consider headphones or 7.1 for surround sound support.
*/
case DevFmtAmbi3D: return SPEAKERS_7;
}
ERR(EAX_PREFIX "Unexpected device channel format 0x%x.\n", mDevice->FmtChans);
return HEADPHONES;
#undef EAX_PREFIX
}
void ALCcontext::eax_update_speaker_configuration()
{
mEaxSpeakerConfig = eax_detect_speaker_configuration();
}
void ALCcontext::eax_set_last_error_defaults() noexcept
{
mEaxLastError = EAX_OK;
}
void ALCcontext::eax_session_set_defaults() noexcept
{
mEaxSession.ulEAXVersion = EAXCONTEXT_DEFAULTEAXSESSION;
mEaxSession.ulMaxActiveSends = EAXCONTEXT_DEFAULTMAXACTIVESENDS;
}
void ALCcontext::eax4_context_set_defaults(Eax4Props& props) noexcept
{
props.guidPrimaryFXSlotID = EAX40CONTEXT_DEFAULTPRIMARYFXSLOTID;
props.flDistanceFactor = EAXCONTEXT_DEFAULTDISTANCEFACTOR;
props.flAirAbsorptionHF = EAXCONTEXT_DEFAULTAIRABSORPTIONHF;
props.flHFReference = EAXCONTEXT_DEFAULTHFREFERENCE;
}
void ALCcontext::eax4_context_set_defaults(Eax4State& state) noexcept
{
eax4_context_set_defaults(state.i);
state.d = state.i;
}
void ALCcontext::eax5_context_set_defaults(Eax5Props& props) noexcept
{
props.guidPrimaryFXSlotID = EAX50CONTEXT_DEFAULTPRIMARYFXSLOTID;
props.flDistanceFactor = EAXCONTEXT_DEFAULTDISTANCEFACTOR;
props.flAirAbsorptionHF = EAXCONTEXT_DEFAULTAIRABSORPTIONHF;
props.flHFReference = EAXCONTEXT_DEFAULTHFREFERENCE;
props.flMacroFXFactor = EAXCONTEXT_DEFAULTMACROFXFACTOR;
}
void ALCcontext::eax5_context_set_defaults(Eax5State& state) noexcept
{
eax5_context_set_defaults(state.i);
state.d = state.i;
}
void ALCcontext::eax_context_set_defaults()
{
eax5_context_set_defaults(mEax123);
eax4_context_set_defaults(mEax4);
eax5_context_set_defaults(mEax5);
mEax = mEax5.i;
mEaxVersion = 5;
mEaxDf = EaxDirtyFlags{};
}
void ALCcontext::eax_set_defaults()
{
eax_set_last_error_defaults();
eax_session_set_defaults();
eax_context_set_defaults();
}
void ALCcontext::eax_dispatch_fx_slot(const EaxCall& call)
{
const auto fx_slot_index = call.get_fx_slot_index();
if(!fx_slot_index.has_value())
eax_fail("Invalid fx slot index.");
auto& fx_slot = eaxGetFxSlot(*fx_slot_index);
if(fx_slot.eax_dispatch(call))
{
std::lock_guard<std::mutex> source_lock{mSourceLock};
ForEachSource(this, std::mem_fn(&ALsource::eaxMarkAsChanged));
}
}
void ALCcontext::eax_dispatch_source(const EaxCall& call)
{
const auto source_id = call.get_property_al_name();
std::lock_guard<std::mutex> source_lock{mSourceLock};
const auto source = ALsource::EaxLookupSource(*this, source_id);
if (source == nullptr)
eax_fail("Source not found.");
source->eaxDispatch(call);
}
void ALCcontext::eax_get_misc(const EaxCall& call)
{
switch(call.get_property_id())
{
case EAXCONTEXT_NONE:
break;
case EAXCONTEXT_LASTERROR:
call.set_value<ContextException>(mEaxLastError);
break;
case EAXCONTEXT_SPEAKERCONFIG:
call.set_value<ContextException>(mEaxSpeakerConfig);
break;
case EAXCONTEXT_EAXSESSION:
call.set_value<ContextException>(mEaxSession);
break;
default:
eax_fail_unknown_property_id();
}
}
void ALCcontext::eax4_get(const EaxCall& call, const Eax4Props& props)
{
switch(call.get_property_id())
{
case EAXCONTEXT_ALLPARAMETERS:
call.set_value<ContextException>(props);
break;
case EAXCONTEXT_PRIMARYFXSLOTID:
call.set_value<ContextException>(props.guidPrimaryFXSlotID);
break;
case EAXCONTEXT_DISTANCEFACTOR:
call.set_value<ContextException>(props.flDistanceFactor);
break;
case EAXCONTEXT_AIRABSORPTIONHF:
call.set_value<ContextException>(props.flAirAbsorptionHF);
break;
case EAXCONTEXT_HFREFERENCE:
call.set_value<ContextException>(props.flHFReference);
break;
default:
eax_get_misc(call);
break;
}
}
void ALCcontext::eax5_get(const EaxCall& call, const Eax5Props& props)
{
switch(call.get_property_id())
{
case EAXCONTEXT_ALLPARAMETERS:
call.set_value<ContextException>(props);
break;
case EAXCONTEXT_PRIMARYFXSLOTID:
call.set_value<ContextException>(props.guidPrimaryFXSlotID);
break;
case EAXCONTEXT_DISTANCEFACTOR:
call.set_value<ContextException>(props.flDistanceFactor);
break;
case EAXCONTEXT_AIRABSORPTIONHF:
call.set_value<ContextException>(props.flAirAbsorptionHF);
break;
case EAXCONTEXT_HFREFERENCE:
call.set_value<ContextException>(props.flHFReference);
break;
case EAXCONTEXT_MACROFXFACTOR:
call.set_value<ContextException>(props.flMacroFXFactor);
break;
default:
eax_get_misc(call);
break;
}
}
void ALCcontext::eax_get(const EaxCall& call)
{
switch(call.get_version())
{
case 4: eax4_get(call, mEax4.i); break;
case 5: eax5_get(call, mEax5.i); break;
default: eax_fail_unknown_version();
}
}
void ALCcontext::eax_context_commit_primary_fx_slot_id()
{
mEaxPrimaryFxSlotIndex = mEax.guidPrimaryFXSlotID;
}
void ALCcontext::eax_context_commit_distance_factor()
{
if(mListener.mMetersPerUnit == mEax.flDistanceFactor)
return;
mListener.mMetersPerUnit = mEax.flDistanceFactor;
mPropsDirty = true;
}
void ALCcontext::eax_context_commit_air_absorbtion_hf()
{
const auto new_value = level_mb_to_gain(mEax.flAirAbsorptionHF);
if(mAirAbsorptionGainHF == new_value)
return;
mAirAbsorptionGainHF = new_value;
mPropsDirty = true;
}
void ALCcontext::eax_context_commit_hf_reference()
{
// TODO
}
void ALCcontext::eax_context_commit_macro_fx_factor()
{
// TODO
}
void ALCcontext::eax_initialize_fx_slots()
{
mEaxFxSlots.initialize(*this);
mEaxPrimaryFxSlotIndex = mEax.guidPrimaryFXSlotID;
}
void ALCcontext::eax_update_sources()
{
std::unique_lock<std::mutex> source_lock{mSourceLock};
auto update_source = [](ALsource &source)
{ source.eaxCommit(); };
ForEachSource(this, update_source);
}
void ALCcontext::eax_set_misc(const EaxCall& call)
{
switch(call.get_property_id())
{
case EAXCONTEXT_NONE:
break;
case EAXCONTEXT_SPEAKERCONFIG:
eax_set<Eax5SpeakerConfigValidator>(call, mEaxSpeakerConfig);
break;
case EAXCONTEXT_EAXSESSION:
eax_set<Eax5SessionAllValidator>(call, mEaxSession);
break;
default:
eax_fail_unknown_property_id();
}
}
void ALCcontext::eax4_defer_all(const EaxCall& call, Eax4State& state)
{
const auto& src = call.get_value<ContextException, const EAX40CONTEXTPROPERTIES>();
Eax4AllValidator{}(src);
const auto& dst_i = state.i;
auto& dst_d = state.d;
dst_d = src;
if(dst_i.guidPrimaryFXSlotID != dst_d.guidPrimaryFXSlotID)
mEaxDf |= eax_primary_fx_slot_id_dirty_bit;
if(dst_i.flDistanceFactor != dst_d.flDistanceFactor)
mEaxDf |= eax_distance_factor_dirty_bit;
if(dst_i.flAirAbsorptionHF != dst_d.flAirAbsorptionHF)
mEaxDf |= eax_air_absorption_hf_dirty_bit;
if(dst_i.flHFReference != dst_d.flHFReference)
mEaxDf |= eax_hf_reference_dirty_bit;
}
void ALCcontext::eax4_defer(const EaxCall& call, Eax4State& state)
{
switch(call.get_property_id())
{
case EAXCONTEXT_ALLPARAMETERS:
eax4_defer_all(call, state);
break;
case EAXCONTEXT_PRIMARYFXSLOTID:
eax_defer<Eax4PrimaryFxSlotIdValidator, eax_primary_fx_slot_id_dirty_bit>(
call, state, &EAX40CONTEXTPROPERTIES::guidPrimaryFXSlotID);
break;
case EAXCONTEXT_DISTANCEFACTOR:
eax_defer<Eax4DistanceFactorValidator, eax_distance_factor_dirty_bit>(
call, state, &EAX40CONTEXTPROPERTIES::flDistanceFactor);
break;
case EAXCONTEXT_AIRABSORPTIONHF:
eax_defer<Eax4AirAbsorptionHfValidator, eax_air_absorption_hf_dirty_bit>(
call, state, &EAX40CONTEXTPROPERTIES::flAirAbsorptionHF);
break;
case EAXCONTEXT_HFREFERENCE:
eax_defer<Eax4HfReferenceValidator, eax_hf_reference_dirty_bit>(
call, state, &EAX40CONTEXTPROPERTIES::flHFReference);
break;
default:
eax_set_misc(call);
break;
}
}
void ALCcontext::eax5_defer_all(const EaxCall& call, Eax5State& state)
{
const auto& src = call.get_value<ContextException, const EAX50CONTEXTPROPERTIES>();
Eax4AllValidator{}(src);
const auto& dst_i = state.i;
auto& dst_d = state.d;
dst_d = src;
if(dst_i.guidPrimaryFXSlotID != dst_d.guidPrimaryFXSlotID)
mEaxDf |= eax_primary_fx_slot_id_dirty_bit;
if(dst_i.flDistanceFactor != dst_d.flDistanceFactor)
mEaxDf |= eax_distance_factor_dirty_bit;
if(dst_i.flAirAbsorptionHF != dst_d.flAirAbsorptionHF)
mEaxDf |= eax_air_absorption_hf_dirty_bit;
if(dst_i.flHFReference != dst_d.flHFReference)
mEaxDf |= eax_hf_reference_dirty_bit;
if(dst_i.flMacroFXFactor != dst_d.flMacroFXFactor)
mEaxDf |= eax_macro_fx_factor_dirty_bit;
}
void ALCcontext::eax5_defer(const EaxCall& call, Eax5State& state)
{
switch(call.get_property_id())
{
case EAXCONTEXT_ALLPARAMETERS:
eax5_defer_all(call, state);
break;
case EAXCONTEXT_PRIMARYFXSLOTID:
eax_defer<Eax5PrimaryFxSlotIdValidator, eax_primary_fx_slot_id_dirty_bit>(
call, state, &EAX50CONTEXTPROPERTIES::guidPrimaryFXSlotID);
break;
case EAXCONTEXT_DISTANCEFACTOR:
eax_defer<Eax4DistanceFactorValidator, eax_distance_factor_dirty_bit>(
call, state, &EAX50CONTEXTPROPERTIES::flDistanceFactor);
break;
case EAXCONTEXT_AIRABSORPTIONHF:
eax_defer<Eax4AirAbsorptionHfValidator, eax_air_absorption_hf_dirty_bit>(
call, state, &EAX50CONTEXTPROPERTIES::flAirAbsorptionHF);
break;
case EAXCONTEXT_HFREFERENCE:
eax_defer<Eax4HfReferenceValidator, eax_hf_reference_dirty_bit>(
call, state, &EAX50CONTEXTPROPERTIES::flHFReference);
break;
case EAXCONTEXT_MACROFXFACTOR:
eax_defer<Eax5MacroFxFactorValidator, eax_macro_fx_factor_dirty_bit>(
call, state, &EAX50CONTEXTPROPERTIES::flMacroFXFactor);
break;
default:
eax_set_misc(call);
break;
}
}
void ALCcontext::eax_set(const EaxCall& call)
{
const auto version = call.get_version();
switch(version)
{
case 4: eax4_defer(call, mEax4); break;
case 5: eax5_defer(call, mEax5); break;
default: eax_fail_unknown_version();
}
if(version != mEaxVersion)
mEaxDf = ~EaxDirtyFlags();
mEaxVersion = version;
}
void ALCcontext::eax4_context_commit(Eax4State& state, EaxDirtyFlags& dst_df)
{
if(mEaxDf == EaxDirtyFlags{})
return;
eax_context_commit_property<eax_primary_fx_slot_id_dirty_bit>(
state, dst_df, &EAX40CONTEXTPROPERTIES::guidPrimaryFXSlotID);
eax_context_commit_property<eax_distance_factor_dirty_bit>(
state, dst_df, &EAX40CONTEXTPROPERTIES::flDistanceFactor);
eax_context_commit_property<eax_air_absorption_hf_dirty_bit>(
state, dst_df, &EAX40CONTEXTPROPERTIES::flAirAbsorptionHF);
eax_context_commit_property<eax_hf_reference_dirty_bit>(
state, dst_df, &EAX40CONTEXTPROPERTIES::flHFReference);
mEaxDf = EaxDirtyFlags{};
}
void ALCcontext::eax5_context_commit(Eax5State& state, EaxDirtyFlags& dst_df)
{
if(mEaxDf == EaxDirtyFlags{})
return;
eax_context_commit_property<eax_primary_fx_slot_id_dirty_bit>(
state, dst_df, &EAX50CONTEXTPROPERTIES::guidPrimaryFXSlotID);
eax_context_commit_property<eax_distance_factor_dirty_bit>(
state, dst_df, &EAX50CONTEXTPROPERTIES::flDistanceFactor);
eax_context_commit_property<eax_air_absorption_hf_dirty_bit>(
state, dst_df, &EAX50CONTEXTPROPERTIES::flAirAbsorptionHF);
eax_context_commit_property<eax_hf_reference_dirty_bit>(
state, dst_df, &EAX50CONTEXTPROPERTIES::flHFReference);
eax_context_commit_property<eax_macro_fx_factor_dirty_bit>(
state, dst_df, &EAX50CONTEXTPROPERTIES::flMacroFXFactor);
mEaxDf = EaxDirtyFlags{};
}
void ALCcontext::eax_context_commit()
{
auto dst_df = EaxDirtyFlags{};
switch(mEaxVersion)
{
case 1:
case 2:
case 3:
eax5_context_commit(mEax123, dst_df);
break;
case 4:
eax4_context_commit(mEax4, dst_df);
break;
case 5:
eax5_context_commit(mEax5, dst_df);
break;
}
if(dst_df == EaxDirtyFlags{})
return;
if((dst_df & eax_primary_fx_slot_id_dirty_bit) != EaxDirtyFlags{})
eax_context_commit_primary_fx_slot_id();
if((dst_df & eax_distance_factor_dirty_bit) != EaxDirtyFlags{})
eax_context_commit_distance_factor();
if((dst_df & eax_air_absorption_hf_dirty_bit) != EaxDirtyFlags{})
eax_context_commit_air_absorbtion_hf();
if((dst_df & eax_hf_reference_dirty_bit) != EaxDirtyFlags{})
eax_context_commit_hf_reference();
if((dst_df & eax_macro_fx_factor_dirty_bit) != EaxDirtyFlags{})
eax_context_commit_macro_fx_factor();
if((dst_df & eax_primary_fx_slot_id_dirty_bit) != EaxDirtyFlags{})
eax_update_sources();
}
void ALCcontext::eaxCommit()
{
mEaxNeedsCommit = false;
eax_context_commit();
eaxCommitFxSlots();
eax_update_sources();
}
FORCE_ALIGN ALenum AL_APIENTRY EAXSet(const GUID *a, ALuint b, ALuint c, ALvoid *d, ALuint e) noexcept
{
auto context = GetContextRef();
if(!context) UNLIKELY return AL_INVALID_OPERATION;
return EAXSetDirect(context.get(), a, b, c, d, e);
}
FORCE_ALIGN ALenum AL_APIENTRY EAXSetDirect(ALCcontext *context, const GUID *property_set_id,
ALuint property_id, ALuint property_source_id, ALvoid *property_value,
ALuint property_value_size) noexcept
try
{
std::lock_guard<std::mutex> prop_lock{context->mPropLock};
return context->eax_eax_set(
property_set_id,
property_id,
property_source_id,
property_value,
property_value_size);
}
catch(...)
{
eax_log_exception(__func__);
return AL_INVALID_OPERATION;
}
FORCE_ALIGN ALenum AL_APIENTRY EAXGet(const GUID *a, ALuint b, ALuint c, ALvoid *d, ALuint e) noexcept
{
auto context = GetContextRef();
if(!context) UNLIKELY return AL_INVALID_OPERATION;
return EAXGetDirect(context.get(), a, b, c, d, e);
}
FORCE_ALIGN ALenum AL_APIENTRY EAXGetDirect(ALCcontext *context, const GUID *property_set_id,
ALuint property_id, ALuint property_source_id, ALvoid *property_value,
ALuint property_value_size) noexcept
try
{
std::lock_guard<std::mutex> prop_lock{context->mPropLock};
return context->eax_eax_get(
property_set_id,
property_id,
property_source_id,
property_value,
property_value_size);
}
catch(...)
{
eax_log_exception(__func__);
return AL_INVALID_OPERATION;
}
#endif // ALSOFT_EAX
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