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openal-soft/al/auxeffectslot.cpp

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 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 "auxeffectslot.h"
#include <algorithm>
#include <cassert>
#include <cstdint>
#include <iterator>
#include <memory>
#include <mutex>
#include <numeric>
#include <thread>
#include "AL/al.h"
#include "AL/alc.h"
#include "AL/efx.h"
#include "albit.h"
#include "alc/alu.h"
#include "alc/context.h"
#include "alc/device.h"
#include "alc/inprogext.h"
#include "almalloc.h"
#include "alnumeric.h"
#include "alspan.h"
#include "buffer.h"
#include "core/except.h"
#include "core/fpu_ctrl.h"
#include "core/logging.h"
#include "effect.h"
#include "opthelpers.h"
namespace {
struct FactoryItem {
EffectSlotType Type;
EffectStateFactory* (&GetFactory)(void);
};
constexpr FactoryItem FactoryList[] = {
{ EffectSlotType::None, NullStateFactory_getFactory },
{ EffectSlotType::EAXReverb, ReverbStateFactory_getFactory },
{ EffectSlotType::Reverb, StdReverbStateFactory_getFactory },
{ EffectSlotType::Autowah, AutowahStateFactory_getFactory },
{ EffectSlotType::Chorus, ChorusStateFactory_getFactory },
{ EffectSlotType::Compressor, CompressorStateFactory_getFactory },
{ EffectSlotType::Distortion, DistortionStateFactory_getFactory },
{ EffectSlotType::Echo, EchoStateFactory_getFactory },
{ EffectSlotType::Equalizer, EqualizerStateFactory_getFactory },
{ EffectSlotType::Flanger, FlangerStateFactory_getFactory },
{ EffectSlotType::FrequencyShifter, FshifterStateFactory_getFactory },
{ EffectSlotType::RingModulator, ModulatorStateFactory_getFactory },
{ EffectSlotType::PitchShifter, PshifterStateFactory_getFactory },
{ EffectSlotType::VocalMorpher, VmorpherStateFactory_getFactory },
{ EffectSlotType::DedicatedDialog, DedicatedStateFactory_getFactory },
{ EffectSlotType::DedicatedLFE, DedicatedStateFactory_getFactory },
{ EffectSlotType::Convolution, ConvolutionStateFactory_getFactory },
};
EffectStateFactory *getFactoryByType(EffectSlotType type)
{
auto iter = std::find_if(std::begin(FactoryList), std::end(FactoryList),
[type](const FactoryItem &item) noexcept -> bool
{ return item.Type == type; });
return (iter != std::end(FactoryList)) ? iter->GetFactory() : nullptr;
}
inline ALeffectslot *LookupEffectSlot(ALCcontext *context, ALuint id) noexcept
{
const size_t lidx{(id-1) >> 6};
const ALuint slidx{(id-1) & 0x3f};
if UNLIKELY(lidx >= context->mEffectSlotList.size())
return nullptr;
EffectSlotSubList &sublist{context->mEffectSlotList[lidx]};
if UNLIKELY(sublist.FreeMask & (1_u64 << slidx))
return nullptr;
return sublist.EffectSlots + slidx;
}
inline ALeffect *LookupEffect(ALCdevice *device, ALuint id) noexcept
{
const size_t lidx{(id-1) >> 6};
const ALuint slidx{(id-1) & 0x3f};
if UNLIKELY(lidx >= device->EffectList.size())
return nullptr;
EffectSubList &sublist = device->EffectList[lidx];
if UNLIKELY(sublist.FreeMask & (1_u64 << slidx))
return nullptr;
return sublist.Effects + slidx;
}
inline ALbuffer *LookupBuffer(ALCdevice *device, ALuint id) noexcept
{
const size_t lidx{(id-1) >> 6};
const ALuint slidx{(id-1) & 0x3f};
if UNLIKELY(lidx >= device->BufferList.size())
return nullptr;
BufferSubList &sublist = device->BufferList[lidx];
if UNLIKELY(sublist.FreeMask & (1_u64 << slidx))
return nullptr;
return sublist.Buffers + slidx;
}
inline auto GetEffectBuffer(ALbuffer *buffer) noexcept -> EffectState::Buffer
{
if(!buffer) return EffectState::Buffer{};
return EffectState::Buffer{buffer, buffer->mData};
}
void AddActiveEffectSlots(const al::span<ALeffectslot*> auxslots, ALCcontext *context)
{
if(auxslots.empty()) return;
EffectSlotArray *curarray{context->mActiveAuxSlots.load(std::memory_order_acquire)};
size_t newcount{curarray->size() + auxslots.size()};
/* Insert the new effect slots into the head of the array, followed by the
* existing ones.
*/
EffectSlotArray *newarray = EffectSlot::CreatePtrArray(newcount);
auto slotiter = std::transform(auxslots.begin(), auxslots.end(), newarray->begin(),
[](ALeffectslot *auxslot) noexcept { return auxslot->mSlot; });
std::copy(curarray->begin(), curarray->end(), slotiter);
/* Remove any duplicates (first instance of each will be kept). */
auto last = newarray->end();
for(auto start=newarray->begin()+1;;)
{
last = std::remove(start, last, *(start-1));
if(start == last) break;
++start;
}
newcount = static_cast<size_t>(std::distance(newarray->begin(), last));
/* Reallocate newarray if the new size ended up smaller from duplicate
* removal.
*/
if UNLIKELY(newcount < newarray->size())
{
curarray = newarray;
newarray = EffectSlot::CreatePtrArray(newcount);
std::copy_n(curarray->begin(), newcount, newarray->begin());
delete curarray;
curarray = nullptr;
}
std::uninitialized_fill_n(newarray->end(), newcount, nullptr);
curarray = context->mActiveAuxSlots.exchange(newarray, std::memory_order_acq_rel);
context->mDevice->waitForMix();
al::destroy_n(curarray->end(), curarray->size());
delete curarray;
}
void RemoveActiveEffectSlots(const al::span<ALeffectslot*> auxslots, ALCcontext *context)
{
if(auxslots.empty()) return;
EffectSlotArray *curarray{context->mActiveAuxSlots.load(std::memory_order_acquire)};
/* Don't shrink the allocated array size since we don't know how many (if
* any) of the effect slots to remove are in the array.
*/
EffectSlotArray *newarray = EffectSlot::CreatePtrArray(curarray->size());
auto new_end = std::copy(curarray->begin(), curarray->end(), newarray->begin());
/* Remove elements from newarray that match any ID in slotids. */
for(const ALeffectslot *auxslot : auxslots)
{
auto slot_match = [auxslot](EffectSlot *slot) noexcept -> bool
{ return (slot == auxslot->mSlot); };
new_end = std::remove_if(newarray->begin(), new_end, slot_match);
}
/* Reallocate with the new size. */
auto newsize = static_cast<size_t>(std::distance(newarray->begin(), new_end));
if LIKELY(newsize != newarray->size())
{
curarray = newarray;
newarray = EffectSlot::CreatePtrArray(newsize);
std::copy_n(curarray->begin(), newsize, newarray->begin());
delete curarray;
curarray = nullptr;
}
std::uninitialized_fill_n(newarray->end(), newsize, nullptr);
curarray = context->mActiveAuxSlots.exchange(newarray, std::memory_order_acq_rel);
context->mDevice->waitForMix();
al::destroy_n(curarray->end(), curarray->size());
delete curarray;
}
EffectSlotType EffectSlotTypeFromEnum(ALenum type)
{
switch(type)
{
case AL_EFFECT_NULL: return EffectSlotType::None;
case AL_EFFECT_REVERB: return EffectSlotType::Reverb;
case AL_EFFECT_CHORUS: return EffectSlotType::Chorus;
case AL_EFFECT_DISTORTION: return EffectSlotType::Distortion;
case AL_EFFECT_ECHO: return EffectSlotType::Echo;
case AL_EFFECT_FLANGER: return EffectSlotType::Flanger;
case AL_EFFECT_FREQUENCY_SHIFTER: return EffectSlotType::FrequencyShifter;
case AL_EFFECT_VOCAL_MORPHER: return EffectSlotType::VocalMorpher;
case AL_EFFECT_PITCH_SHIFTER: return EffectSlotType::PitchShifter;
case AL_EFFECT_RING_MODULATOR: return EffectSlotType::RingModulator;
case AL_EFFECT_AUTOWAH: return EffectSlotType::Autowah;
case AL_EFFECT_COMPRESSOR: return EffectSlotType::Compressor;
case AL_EFFECT_EQUALIZER: return EffectSlotType::Equalizer;
case AL_EFFECT_EAXREVERB: return EffectSlotType::EAXReverb;
case AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT: return EffectSlotType::DedicatedLFE;
case AL_EFFECT_DEDICATED_DIALOGUE: return EffectSlotType::DedicatedDialog;
case AL_EFFECT_CONVOLUTION_REVERB_SOFT: return EffectSlotType::Convolution;
}
ERR("Unhandled effect enum: 0x%04x\n", type);
return EffectSlotType::None;
}
bool EnsureEffectSlots(ALCcontext *context, size_t needed)
{
size_t count{std::accumulate(context->mEffectSlotList.cbegin(),
context->mEffectSlotList.cend(), size_t{0},
[](size_t cur, const EffectSlotSubList &sublist) noexcept -> size_t
{ return cur + static_cast<ALuint>(al::popcount(sublist.FreeMask)); })};
while(needed > count)
{
if UNLIKELY(context->mEffectSlotList.size() >= 1<<25)
return false;
context->mEffectSlotList.emplace_back();
auto sublist = context->mEffectSlotList.end() - 1;
sublist->FreeMask = ~0_u64;
sublist->EffectSlots = static_cast<ALeffectslot*>(
al_calloc(alignof(ALeffectslot), sizeof(ALeffectslot)*64));
if UNLIKELY(!sublist->EffectSlots)
{
context->mEffectSlotList.pop_back();
return false;
}
count += 64;
}
return true;
}
ALeffectslot *AllocEffectSlot(ALCcontext *context)
{
auto sublist = std::find_if(context->mEffectSlotList.begin(), context->mEffectSlotList.end(),
[](const EffectSlotSubList &entry) noexcept -> bool
{ return entry.FreeMask != 0; });
auto lidx = static_cast<ALuint>(std::distance(context->mEffectSlotList.begin(), sublist));
auto slidx = static_cast<ALuint>(al::countr_zero(sublist->FreeMask));
ASSUME(slidx < 64);
ALeffectslot *slot{al::construct_at(sublist->EffectSlots + slidx, context)};
aluInitEffectPanning(slot->mSlot, context);
/* Add 1 to avoid ID 0. */
slot->id = ((lidx<<6) | slidx) + 1;
context->mNumEffectSlots += 1;
sublist->FreeMask &= ~(1_u64 << slidx);
return slot;
}
void FreeEffectSlot(ALCcontext *context, ALeffectslot *slot)
{
const ALuint id{slot->id - 1};
const size_t lidx{id >> 6};
const ALuint slidx{id & 0x3f};
al::destroy_at(slot);
context->mEffectSlotList[lidx].FreeMask |= 1_u64 << slidx;
context->mNumEffectSlots--;
}
inline void UpdateProps(ALeffectslot *slot, ALCcontext *context)
{
if(!context->mDeferUpdates && slot->mState == SlotState::Playing)
{
slot->updateProps(context);
return;
}
slot->mPropsDirty = true;
}
} // namespace
AL_API void AL_APIENTRY alGenAuxiliaryEffectSlots(ALsizei n, ALuint *effectslots)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if UNLIKELY(!context) return;
if UNLIKELY(n < 0)
context->setError(AL_INVALID_VALUE, "Generating %d effect slots", n);
if UNLIKELY(n <= 0) return;
std::lock_guard<std::mutex> _{context->mEffectSlotLock};
ALCdevice *device{context->mALDevice.get()};
if(static_cast<ALuint>(n) > device->AuxiliaryEffectSlotMax-context->mNumEffectSlots)
{
context->setError(AL_OUT_OF_MEMORY, "Exceeding %u effect slot limit (%u + %d)",
device->AuxiliaryEffectSlotMax, context->mNumEffectSlots, n);
return;
}
if(!EnsureEffectSlots(context.get(), static_cast<ALuint>(n)))
{
context->setError(AL_OUT_OF_MEMORY, "Failed to allocate %d effectslot%s", n,
(n==1) ? "" : "s");
return;
}
if(n == 1)
{
ALeffectslot *slot{AllocEffectSlot(context.get())};
effectslots[0] = slot->id;
}
else
{
al::vector<ALuint> ids;
ALsizei count{n};
ids.reserve(static_cast<ALuint>(count));
do {
ALeffectslot *slot{AllocEffectSlot(context.get())};
ids.emplace_back(slot->id);
} while(--count);
std::copy(ids.cbegin(), ids.cend(), effectslots);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alDeleteAuxiliaryEffectSlots(ALsizei n, const ALuint *effectslots)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if UNLIKELY(!context) return;
if UNLIKELY(n < 0)
context->setError(AL_INVALID_VALUE, "Deleting %d effect slots", n);
if UNLIKELY(n <= 0) return;
std::lock_guard<std::mutex> _{context->mEffectSlotLock};
if(n == 1)
{
ALeffectslot *slot{LookupEffectSlot(context.get(), effectslots[0])};
if UNLIKELY(!slot)
{
context->setError(AL_INVALID_NAME, "Invalid effect slot ID %u", effectslots[0]);
return;
}
if UNLIKELY(ReadRef(slot->ref) != 0)
{
context->setError(AL_INVALID_OPERATION, "Deleting in-use effect slot %u",
effectslots[0]);
return;
}
RemoveActiveEffectSlots({&slot, 1u}, context.get());
FreeEffectSlot(context.get(), slot);
}
else
{
auto slots = al::vector<ALeffectslot*>(static_cast<ALuint>(n));
for(size_t i{0};i < slots.size();++i)
{
ALeffectslot *slot{LookupEffectSlot(context.get(), effectslots[i])};
if UNLIKELY(!slot)
{
context->setError(AL_INVALID_NAME, "Invalid effect slot ID %u", effectslots[i]);
return;
}
if UNLIKELY(ReadRef(slot->ref) != 0)
{
context->setError(AL_INVALID_OPERATION, "Deleting in-use effect slot %u",
effectslots[i]);
return;
}
slots[i] = slot;
}
/* Remove any duplicates. */
auto slots_end = slots.end();
for(auto start=slots.begin()+1;start != slots_end;++start)
{
slots_end = std::remove(start, slots_end, *(start-1));
if(start == slots_end) break;
}
slots.erase(slots_end, slots.end());
/* All effectslots are valid, remove and delete them */
RemoveActiveEffectSlots(slots, context.get());
for(ALeffectslot *slot : slots)
FreeEffectSlot(context.get(), slot);
}
}
END_API_FUNC
AL_API ALboolean AL_APIENTRY alIsAuxiliaryEffectSlot(ALuint effectslot)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if LIKELY(context)
{
std::lock_guard<std::mutex> _{context->mEffectSlotLock};
if(LookupEffectSlot(context.get(), effectslot) != nullptr)
return AL_TRUE;
}
return AL_FALSE;
}
END_API_FUNC
AL_API void AL_APIENTRY alAuxiliaryEffectSlotPlaySOFT(ALuint slotid)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if UNLIKELY(!context) return;
std::lock_guard<std::mutex> _{context->mEffectSlotLock};
ALeffectslot *slot{LookupEffectSlot(context.get(), slotid)};
if UNLIKELY(!slot)
{
context->setError(AL_INVALID_NAME, "Invalid effect slot ID %u", slotid);
return;
}
if(slot->mState == SlotState::Playing)
return;
slot->mPropsDirty = false;
slot->updateProps(context.get());
AddActiveEffectSlots({&slot, 1}, context.get());
slot->mState = SlotState::Playing;
}
END_API_FUNC
AL_API void AL_APIENTRY alAuxiliaryEffectSlotPlayvSOFT(ALsizei n, const ALuint *slotids)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if UNLIKELY(!context) return;
if UNLIKELY(n < 0)
context->setError(AL_INVALID_VALUE, "Playing %d effect slots", n);
if UNLIKELY(n <= 0) return;
auto slots = al::vector<ALeffectslot*>(static_cast<ALuint>(n));
std::lock_guard<std::mutex> _{context->mEffectSlotLock};
for(size_t i{0};i < slots.size();++i)
{
ALeffectslot *slot{LookupEffectSlot(context.get(), slotids[i])};
if UNLIKELY(!slot)
{
context->setError(AL_INVALID_NAME, "Invalid effect slot ID %u", slotids[i]);
return;
}
if(slot->mState != SlotState::Playing)
{
slot->mPropsDirty = false;
slot->updateProps(context.get());
}
slots[i] = slot;
};
AddActiveEffectSlots(slots, context.get());
for(auto slot : slots)
slot->mState = SlotState::Playing;
}
END_API_FUNC
AL_API void AL_APIENTRY alAuxiliaryEffectSlotStopSOFT(ALuint slotid)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if UNLIKELY(!context) return;
std::lock_guard<std::mutex> _{context->mEffectSlotLock};
ALeffectslot *slot{LookupEffectSlot(context.get(), slotid)};
if UNLIKELY(!slot)
{
context->setError(AL_INVALID_NAME, "Invalid effect slot ID %u", slotid);
return;
}
RemoveActiveEffectSlots({&slot, 1}, context.get());
slot->mState = SlotState::Stopped;
}
END_API_FUNC
AL_API void AL_APIENTRY alAuxiliaryEffectSlotStopvSOFT(ALsizei n, const ALuint *slotids)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if UNLIKELY(!context) return;
if UNLIKELY(n < 0)
context->setError(AL_INVALID_VALUE, "Stopping %d effect slots", n);
if UNLIKELY(n <= 0) return;
auto slots = al::vector<ALeffectslot*>(static_cast<ALuint>(n));
std::lock_guard<std::mutex> _{context->mEffectSlotLock};
for(size_t i{0};i < slots.size();++i)
{
ALeffectslot *slot{LookupEffectSlot(context.get(), slotids[i])};
if UNLIKELY(!slot)
{
context->setError(AL_INVALID_NAME, "Invalid effect slot ID %u", slotids[i]);
return;
}
slots[i] = slot;
};
RemoveActiveEffectSlots(slots, context.get());
for(auto slot : slots)
slot->mState = SlotState::Stopped;
}
END_API_FUNC
AL_API void AL_APIENTRY alAuxiliaryEffectSloti(ALuint effectslot, ALenum param, ALint value)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if UNLIKELY(!context) return;
std::lock_guard<std::mutex> _{context->mPropLock};
std::lock_guard<std::mutex> __{context->mEffectSlotLock};
ALeffectslot *slot = LookupEffectSlot(context.get(), effectslot);
if UNLIKELY(!slot)
SETERR_RETURN(context, AL_INVALID_NAME,, "Invalid effect slot ID %u", effectslot);
ALeffectslot *target{};
ALCdevice *device{};
ALenum err{};
switch(param)
{
case AL_EFFECTSLOT_EFFECT:
device = context->mALDevice.get();
{
std::lock_guard<std::mutex> ___{device->EffectLock};
ALeffect *effect{value ? LookupEffect(device, static_cast<ALuint>(value)) : nullptr};
if(effect)
err = slot->initEffect(effect->type, effect->Props, context.get());
else
{
if(value != 0)
SETERR_RETURN(context, AL_INVALID_VALUE,, "Invalid effect ID %u", value);
err = slot->initEffect(AL_EFFECT_NULL, EffectProps{}, context.get());
}
}
if UNLIKELY(err != AL_NO_ERROR)
{
context->setError(err, "Effect initialization failed");
return;
}
if UNLIKELY(slot->mState == SlotState::Initial)
{
slot->mPropsDirty = false;
slot->updateProps(context.get());
AddActiveEffectSlots({&slot, 1}, context.get());
slot->mState = SlotState::Playing;
return;
}
break;
case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
if(!(value == AL_TRUE || value == AL_FALSE))
SETERR_RETURN(context, AL_INVALID_VALUE,,
"Effect slot auxiliary send auto out of range");
if UNLIKELY(slot->AuxSendAuto == !!value)
return;
slot->AuxSendAuto = !!value;
break;
case AL_EFFECTSLOT_TARGET_SOFT:
target = LookupEffectSlot(context.get(), static_cast<ALuint>(value));
if(value && !target)
SETERR_RETURN(context, AL_INVALID_VALUE,, "Invalid effect slot target ID");
if UNLIKELY(slot->Target == target)
return;
if(target)
{
ALeffectslot *checker{target};
while(checker && checker != slot)
checker = checker->Target;
if(checker)
SETERR_RETURN(context, AL_INVALID_OPERATION,,
"Setting target of effect slot ID %u to %u creates circular chain", slot->id,
target->id);
}
if(ALeffectslot *oldtarget{slot->Target})
{
/* We must force an update if there was an existing effect slot
* target, in case it's about to be deleted.
*/
if(target) IncrementRef(target->ref);
DecrementRef(oldtarget->ref);
slot->Target = target;
slot->updateProps(context.get());
return;
}
if(target) IncrementRef(target->ref);
slot->Target = target;
break;
case AL_BUFFER:
device = context->mALDevice.get();
if(slot->mState == SlotState::Playing)
SETERR_RETURN(context, AL_INVALID_OPERATION,,
"Setting buffer on playing effect slot %u", slot->id);
if(ALbuffer *buffer{slot->Buffer})
{
if UNLIKELY(buffer->id == static_cast<ALuint>(value))
return;
}
else if UNLIKELY(value == 0)
return;
{
std::lock_guard<std::mutex> ___{device->BufferLock};
ALbuffer *buffer{};
if(value)
{
buffer = LookupBuffer(device, static_cast<ALuint>(value));
if(!buffer) SETERR_RETURN(context, AL_INVALID_VALUE,, "Invalid buffer ID");
if(buffer->mCallback)
SETERR_RETURN(context, AL_INVALID_OPERATION,,
"Callback buffer not valid for effects");
IncrementRef(buffer->ref);
}
if(ALbuffer *oldbuffer{slot->Buffer})
DecrementRef(oldbuffer->ref);
slot->Buffer = buffer;
FPUCtl mixer_mode{};
auto *state = slot->Effect.State.get();
state->deviceUpdate(device, GetEffectBuffer(buffer));
}
break;
case AL_EFFECTSLOT_STATE_SOFT:
SETERR_RETURN(context, AL_INVALID_OPERATION,, "AL_EFFECTSLOT_STATE_SOFT is read-only");
default:
SETERR_RETURN(context, AL_INVALID_ENUM,, "Invalid effect slot integer property 0x%04x",
param);
}
UpdateProps(slot, context.get());
}
END_API_FUNC
AL_API void AL_APIENTRY alAuxiliaryEffectSlotiv(ALuint effectslot, ALenum param, const ALint *values)
START_API_FUNC
{
switch(param)
{
case AL_EFFECTSLOT_EFFECT:
case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
case AL_EFFECTSLOT_TARGET_SOFT:
case AL_EFFECTSLOT_STATE_SOFT:
case AL_BUFFER:
alAuxiliaryEffectSloti(effectslot, param, values[0]);
return;
}
ContextRef context{GetContextRef()};
if UNLIKELY(!context) return;
std::lock_guard<std::mutex> _{context->mEffectSlotLock};
ALeffectslot *slot = LookupEffectSlot(context.get(), effectslot);
if UNLIKELY(!slot)
SETERR_RETURN(context, AL_INVALID_NAME,, "Invalid effect slot ID %u", effectslot);
switch(param)
{
default:
SETERR_RETURN(context, AL_INVALID_ENUM,,
"Invalid effect slot integer-vector property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alAuxiliaryEffectSlotf(ALuint effectslot, ALenum param, ALfloat value)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if UNLIKELY(!context) return;
std::lock_guard<std::mutex> _{context->mPropLock};
std::lock_guard<std::mutex> __{context->mEffectSlotLock};
ALeffectslot *slot = LookupEffectSlot(context.get(), effectslot);
if UNLIKELY(!slot)
SETERR_RETURN(context, AL_INVALID_NAME,, "Invalid effect slot ID %u", effectslot);
switch(param)
{
case AL_EFFECTSLOT_GAIN:
if(!(value >= 0.0f && value <= 1.0f))
SETERR_RETURN(context, AL_INVALID_VALUE,, "Effect slot gain out of range");
if UNLIKELY(slot->Gain == value)
return;
slot->Gain = value;
break;
default:
SETERR_RETURN(context, AL_INVALID_ENUM,, "Invalid effect slot float property 0x%04x",
param);
}
UpdateProps(slot, context.get());
}
END_API_FUNC
AL_API void AL_APIENTRY alAuxiliaryEffectSlotfv(ALuint effectslot, ALenum param, const ALfloat *values)
START_API_FUNC
{
switch(param)
{
case AL_EFFECTSLOT_GAIN:
alAuxiliaryEffectSlotf(effectslot, param, values[0]);
return;
}
ContextRef context{GetContextRef()};
if UNLIKELY(!context) return;
std::lock_guard<std::mutex> _{context->mEffectSlotLock};
ALeffectslot *slot = LookupEffectSlot(context.get(), effectslot);
if UNLIKELY(!slot)
SETERR_RETURN(context, AL_INVALID_NAME,, "Invalid effect slot ID %u", effectslot);
switch(param)
{
default:
SETERR_RETURN(context, AL_INVALID_ENUM,,
"Invalid effect slot float-vector property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alGetAuxiliaryEffectSloti(ALuint effectslot, ALenum param, ALint *value)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if UNLIKELY(!context) return;
std::lock_guard<std::mutex> _{context->mEffectSlotLock};
ALeffectslot *slot = LookupEffectSlot(context.get(), effectslot);
if UNLIKELY(!slot)
SETERR_RETURN(context, AL_INVALID_NAME,, "Invalid effect slot ID %u", effectslot);
switch(param)
{
case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
*value = slot->AuxSendAuto ? AL_TRUE : AL_FALSE;
break;
case AL_EFFECTSLOT_TARGET_SOFT:
if(auto *target = slot->Target)
*value = static_cast<ALint>(target->id);
else
*value = 0;
break;
case AL_EFFECTSLOT_STATE_SOFT:
*value = static_cast<int>(slot->mState);
break;
case AL_BUFFER:
if(auto *buffer = slot->Buffer)
*value = static_cast<ALint>(buffer->id);
else
*value = 0;
break;
default:
context->setError(AL_INVALID_ENUM, "Invalid effect slot integer property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alGetAuxiliaryEffectSlotiv(ALuint effectslot, ALenum param, ALint *values)
START_API_FUNC
{
switch(param)
{
case AL_EFFECTSLOT_EFFECT:
case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
case AL_EFFECTSLOT_TARGET_SOFT:
case AL_EFFECTSLOT_STATE_SOFT:
case AL_BUFFER:
alGetAuxiliaryEffectSloti(effectslot, param, values);
return;
}
ContextRef context{GetContextRef()};
if UNLIKELY(!context) return;
std::lock_guard<std::mutex> _{context->mEffectSlotLock};
ALeffectslot *slot = LookupEffectSlot(context.get(), effectslot);
if UNLIKELY(!slot)
SETERR_RETURN(context, AL_INVALID_NAME,, "Invalid effect slot ID %u", effectslot);
switch(param)
{
default:
context->setError(AL_INVALID_ENUM, "Invalid effect slot integer-vector property 0x%04x",
param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alGetAuxiliaryEffectSlotf(ALuint effectslot, ALenum param, ALfloat *value)
START_API_FUNC
{
ContextRef context{GetContextRef()};
if UNLIKELY(!context) return;
std::lock_guard<std::mutex> _{context->mEffectSlotLock};
ALeffectslot *slot = LookupEffectSlot(context.get(), effectslot);
if UNLIKELY(!slot)
SETERR_RETURN(context, AL_INVALID_NAME,, "Invalid effect slot ID %u", effectslot);
switch(param)
{
case AL_EFFECTSLOT_GAIN:
*value = slot->Gain;
break;
default:
context->setError(AL_INVALID_ENUM, "Invalid effect slot float property 0x%04x", param);
}
}
END_API_FUNC
AL_API void AL_APIENTRY alGetAuxiliaryEffectSlotfv(ALuint effectslot, ALenum param, ALfloat *values)
START_API_FUNC
{
switch(param)
{
case AL_EFFECTSLOT_GAIN:
alGetAuxiliaryEffectSlotf(effectslot, param, values);
return;
}
ContextRef context{GetContextRef()};
if UNLIKELY(!context) return;
std::lock_guard<std::mutex> _{context->mEffectSlotLock};
ALeffectslot *slot = LookupEffectSlot(context.get(), effectslot);
if UNLIKELY(!slot)
SETERR_RETURN(context, AL_INVALID_NAME,, "Invalid effect slot ID %u", effectslot);
switch(param)
{
default:
context->setError(AL_INVALID_ENUM, "Invalid effect slot float-vector property 0x%04x",
param);
}
}
END_API_FUNC
ALeffectslot::ALeffectslot(ALCcontext *context)
{
EffectStateFactory *factory{getFactoryByType(EffectSlotType::None)};
if(!factory) throw std::runtime_error{"Failed to get null effect factory"};
al::intrusive_ptr<EffectState> state{factory->create()};
Effect.State = state;
mSlot = context->getEffectSlot();
mSlot->InUse = true;
mSlot->mEffectState = std::move(state);
}
ALeffectslot::~ALeffectslot()
{
if(Target)
DecrementRef(Target->ref);
Target = nullptr;
if(Buffer)
DecrementRef(Buffer->ref);
Buffer = nullptr;
if(EffectSlotProps *props{mSlot->Update.exchange(nullptr)})
{
TRACE("Freed unapplied AuxiliaryEffectSlot update %p\n",
decltype(std::declval<void*>()){props});
delete props;
}
mSlot->mEffectState = nullptr;
mSlot->InUse = false;
}
ALenum ALeffectslot::initEffect(ALenum effectType, const EffectProps &effectProps,
ALCcontext *context)
{
EffectSlotType newtype{EffectSlotTypeFromEnum(effectType)};
if(newtype != Effect.Type)
{
EffectStateFactory *factory{getFactoryByType(newtype)};
if(!factory)
{
ERR("Failed to find factory for effect slot type %d\n", static_cast<int>(newtype));
return AL_INVALID_ENUM;
}
al::intrusive_ptr<EffectState> state{factory->create()};
ALCdevice *device{context->mALDevice.get()};
std::unique_lock<std::mutex> statelock{device->StateLock};
state->mOutTarget = device->Dry.Buffer;
{
FPUCtl mixer_mode{};
state->deviceUpdate(device, GetEffectBuffer(Buffer));
}
Effect.Type = newtype;
Effect.Props = effectProps;
Effect.State = std::move(state);
}
else if(newtype != EffectSlotType::None)
Effect.Props = effectProps;
/* Remove state references from old effect slot property updates. */
EffectSlotProps *props{context->mFreeEffectslotProps.load()};
while(props)
{
props->State = nullptr;
props = props->next.load(std::memory_order_relaxed);
}
return AL_NO_ERROR;
}
void ALeffectslot::updateProps(ALCcontext *context)
{
/* Get an unused property container, or allocate a new one as needed. */
EffectSlotProps *props{context->mFreeEffectslotProps.load(std::memory_order_relaxed)};
if(!props)
props = new EffectSlotProps{};
else
{
EffectSlotProps *next;
do {
next = props->next.load(std::memory_order_relaxed);
} while(context->mFreeEffectslotProps.compare_exchange_weak(props, next,
std::memory_order_seq_cst, std::memory_order_acquire) == 0);
}
/* Copy in current property values. */
props->Gain = Gain;
props->AuxSendAuto = AuxSendAuto;
props->Target = Target ? Target->mSlot : nullptr;
props->Type = Effect.Type;
props->Props = Effect.Props;
props->State = Effect.State;
/* Set the new container for updating internal parameters. */
props = mSlot->Update.exchange(props, std::memory_order_acq_rel);
if(props)
{
/* If there was an unused update container, put it back in the
* freelist.
*/
props->State = nullptr;
AtomicReplaceHead(context->mFreeEffectslotProps, props);
}
}
void UpdateAllEffectSlotProps(ALCcontext *context)
{
std::lock_guard<std::mutex> _{context->mEffectSlotLock};
#ifdef ALSOFT_EAX
if(context->has_eax())
context->eax_commit_fx_slots();
#endif
for(auto &sublist : context->mEffectSlotList)
{
uint64_t usemask{~sublist.FreeMask};
while(usemask)
{
const int idx{al::countr_zero(usemask)};
usemask &= ~(1_u64 << idx);
ALeffectslot *slot{sublist.EffectSlots + idx};
if(slot->mState != SlotState::Stopped && std::exchange(slot->mPropsDirty, false))
slot->updateProps(context);
}
}
}
EffectSlotSubList::~EffectSlotSubList()
{
uint64_t usemask{~FreeMask};
while(usemask)
{
const int idx{al::countr_zero(usemask)};
al::destroy_at(EffectSlots+idx);
usemask &= ~(1_u64 << idx);
}
FreeMask = ~usemask;
al_free(EffectSlots);
EffectSlots = nullptr;
}
#ifdef ALSOFT_EAX
void ALeffectslot::eax_initialize(ALCcontext& al_context, EaxFxSlotIndexValue index)
{
if(index >= EAX_MAX_FXSLOTS)
eax_fail("Index out of range.");
mPropsDirty = true;
eax_al_context_ = &al_context;
eax_fx_slot_index_ = index;
eax_version_ = eax_al_context_->eax_get_version();
eax_fx_slot_set_defaults();
}
void ALeffectslot::eax_commit()
{
auto df = EaxDirtyFlags{};
switch(eax_version_)
{
case 1:
case 2:
case 3:
eax5_fx_slot_commit(eax123_, df);
break;
case 4:
eax4_fx_slot_commit(df);
break;
case 5:
eax5_fx_slot_commit(eax5_, df);
break;
default:
eax_fail_unknown_version();
}
if(df == EaxDirtyFlags{}) {
if(eax_effect_ != nullptr && eax_effect_->commit())
eax_set_efx_slot_effect(*eax_effect_);
return;
}
if((df & eax_load_effect_dirty_bit) != EaxDirtyFlags{})
eax_fx_slot_load_effect();
else {
if(eax_effect_ != nullptr && eax_effect_->commit())
eax_set_efx_slot_effect(*eax_effect_);
}
if((df & eax_volume_dirty_bit) != EaxDirtyFlags{})
eax_fx_slot_set_volume();
if((df & eax_flags_dirty_bit) != EaxDirtyFlags{})
eax_fx_slot_set_flags();
}
[[noreturn]] void ALeffectslot::eax_fail(const char* message)
{
throw Exception{message};
}
[[noreturn]] void ALeffectslot::eax_fail_unknown_effect_id()
{
eax_fail("Unknown effect ID.");
}
[[noreturn]] void ALeffectslot::eax_fail_unknown_property_id()
{
eax_fail("Unknown property ID.");
}
[[noreturn]] void ALeffectslot::eax_fail_unknown_version()
{
eax_fail("Unknown version.");
}
void ALeffectslot::eax4_fx_slot_ensure_unlocked() const
{
if(eax4_fx_slot_is_legacy())
eax_fail("Locked legacy slot.");
}
ALenum ALeffectslot::eax_get_efx_effect_type(const GUID& guid)
{
if(guid == EAX_NULL_GUID)
return AL_EFFECT_NULL;
if(guid == EAX_AUTOWAH_EFFECT)
return AL_EFFECT_AUTOWAH;
if(guid == EAX_CHORUS_EFFECT)
return AL_EFFECT_CHORUS;
if(guid == EAX_AGCCOMPRESSOR_EFFECT)
return AL_EFFECT_COMPRESSOR;
if(guid == EAX_DISTORTION_EFFECT)
return AL_EFFECT_DISTORTION;
if(guid == EAX_REVERB_EFFECT)
return AL_EFFECT_EAXREVERB;
if(guid == EAX_ECHO_EFFECT)
return AL_EFFECT_ECHO;
if(guid == EAX_EQUALIZER_EFFECT)
return AL_EFFECT_EQUALIZER;
if(guid == EAX_FLANGER_EFFECT)
return AL_EFFECT_FLANGER;
if(guid == EAX_FREQUENCYSHIFTER_EFFECT)
return AL_EFFECT_FREQUENCY_SHIFTER;
if(guid == EAX_PITCHSHIFTER_EFFECT)
return AL_EFFECT_PITCH_SHIFTER;
if(guid == EAX_RINGMODULATOR_EFFECT)
return AL_EFFECT_RING_MODULATOR;
if(guid == EAX_VOCALMORPHER_EFFECT)
return AL_EFFECT_VOCAL_MORPHER;
eax_fail_unknown_effect_id();
}
const GUID& ALeffectslot::eax_get_eax_default_effect_guid() const noexcept
{
switch(eax_fx_slot_index_)
{
case 0: return EAX_REVERB_EFFECT;
case 1: return EAX_CHORUS_EFFECT;
default: return EAX_NULL_GUID;
}
}
long ALeffectslot::eax_get_eax_default_lock() const noexcept
{
return eax4_fx_slot_is_legacy() ? EAXFXSLOT_LOCKED : EAXFXSLOT_UNLOCKED;
}
void ALeffectslot::eax4_fx_slot_set_defaults(Eax4Props& props) noexcept
{
props.guidLoadEffect = eax_get_eax_default_effect_guid();
props.lVolume = EAXFXSLOT_DEFAULTVOLUME;
props.lLock = eax_get_eax_default_lock();
props.ulFlags = EAX40FXSLOT_DEFAULTFLAGS;
}
void ALeffectslot::eax5_fx_slot_set_defaults(Eax5Props& props) noexcept
{
props.guidLoadEffect = eax_get_eax_default_effect_guid();
props.lVolume = EAXFXSLOT_DEFAULTVOLUME;
props.lLock = EAXFXSLOT_UNLOCKED;
props.ulFlags = EAX50FXSLOT_DEFAULTFLAGS;
props.lOcclusion = EAXFXSLOT_DEFAULTOCCLUSION;
props.flOcclusionLFRatio = EAXFXSLOT_DEFAULTOCCLUSIONLFRATIO;
}
void ALeffectslot::eax4_fx_slot_set_current_defaults(const Eax4Props& props) noexcept
{
static_cast<Eax4Props&>(eax_) = props;
eax_.lOcclusion = EAXFXSLOT_DEFAULTOCCLUSION;
eax_.flOcclusionLFRatio = EAXFXSLOT_DEFAULTOCCLUSIONLFRATIO;
}
void ALeffectslot::eax5_fx_slot_set_current_defaults(const Eax5Props& props) noexcept
{
eax_ = props;
}
void ALeffectslot::eax_fx_slot_set_current_defaults()
{
switch(eax_version_)
{
case 1:
case 2:
case 3:
eax5_fx_slot_set_current_defaults(eax123_.i);
break;
case 4:
eax4_fx_slot_set_current_defaults(eax4_.i);
break;
case 5:
eax5_fx_slot_set_current_defaults(eax5_.i);
break;
default:
eax_fail_unknown_version();
}
eax_df_ = ~EaxDirtyFlags{};
}
void ALeffectslot::eax_fx_slot_set_defaults()
{
eax5_fx_slot_set_defaults(eax123_.i);
eax4_fx_slot_set_defaults(eax4_.i);
eax5_fx_slot_set_defaults(eax5_.i);
eax_fx_slot_set_current_defaults();
}
void ALeffectslot::eax4_fx_slot_get(const EaxCall& call, const Eax4Props& props) const
{
switch(call.get_property_id())
{
case EAXFXSLOT_ALLPARAMETERS:
call.set_value<Exception>(props);
break;
case EAXFXSLOT_LOADEFFECT:
call.set_value<Exception>(props.guidLoadEffect);
break;
case EAXFXSLOT_VOLUME:
call.set_value<Exception>(props.lVolume);
break;
case EAXFXSLOT_LOCK:
call.set_value<Exception>(props.lLock);
break;
case EAXFXSLOT_FLAGS:
call.set_value<Exception>(props.ulFlags);
break;
default:
eax_fail_unknown_property_id();
}
}
void ALeffectslot::eax5_fx_slot_get(const EaxCall& call, const Eax5Props& props) const
{
switch(call.get_property_id())
{
case EAXFXSLOT_ALLPARAMETERS:
call.set_value<Exception>(props);
break;
case EAXFXSLOT_LOADEFFECT:
call.set_value<Exception>(props.guidLoadEffect);
break;
case EAXFXSLOT_VOLUME:
call.set_value<Exception>(props.lVolume);
break;
case EAXFXSLOT_LOCK:
call.set_value<Exception>(props.lLock);
break;
case EAXFXSLOT_FLAGS:
call.set_value<Exception>(props.ulFlags);
break;
case EAXFXSLOT_OCCLUSION:
call.set_value<Exception>(props.lOcclusion);
break;
case EAXFXSLOT_OCCLUSIONLFRATIO:
call.set_value<Exception>(props.flOcclusionLFRatio);
break;
default:
eax_fail_unknown_property_id();
}
}
void ALeffectslot::eax_fx_slot_get(const EaxCall& call) const
{
switch(call.get_version())
{
case 4: eax4_fx_slot_get(call, eax4_.i); break;
case 5: eax5_fx_slot_get(call, eax5_.i); break;
default: eax_fail_unknown_version();
}
}
bool ALeffectslot::eax_get(const EaxCall& call)
{
switch(call.get_property_set_id())
{
case EaxCallPropertySetId::fx_slot:
eax_fx_slot_get(call);
break;
case EaxCallPropertySetId::fx_slot_effect:
eax_dispatch_effect(call);
break;
default:
eax_fail_unknown_property_id();
}
return false;
}
void ALeffectslot::eax_fx_slot_load_effect()
{
eax_effect_ = nullptr;
const auto efx_effect_type = eax_get_efx_effect_type(eax_.guidLoadEffect);
if(!IsValidEffectType(efx_effect_type))
eax_fail("Invalid effect type.");
eax_effect_ = eax_create_eax_effect(efx_effect_type, eax_version_);
eax_set_efx_slot_effect(*eax_effect_);
}
void ALeffectslot::eax_fx_slot_set_volume()
{
const auto volume = clamp(eax_.lVolume, EAXFXSLOT_MINVOLUME, EAXFXSLOT_MAXVOLUME);
const auto gain = level_mb_to_gain(static_cast<float>(volume));
eax_set_efx_slot_gain(gain);
}
void ALeffectslot::eax_fx_slot_set_environment_flag()
{
eax_set_efx_slot_send_auto((eax_.ulFlags & EAXFXSLOTFLAGS_ENVIRONMENT) != 0u);
}
void ALeffectslot::eax_fx_slot_set_flags()
{
eax_fx_slot_set_environment_flag();
}
void ALeffectslot::eax4_fx_slot_set_all(const EaxCall& call)
{
eax4_fx_slot_ensure_unlocked();
const auto& src = call.get_value<Exception, const EAX40FXSLOTPROPERTIES>();
Eax4AllValidator{}(src);
auto& dst = eax4_.i;
eax_df_ |= eax_load_effect_dirty_bit; // Always reset the effect.
eax_df_ |= (dst.lVolume != src.lVolume ? eax_volume_dirty_bit : EaxDirtyFlags{});
eax_df_ |= (dst.lLock != src.lLock ? eax_lock_dirty_bit : EaxDirtyFlags{});
eax_df_ |= (dst.ulFlags != src.ulFlags ? eax_flags_dirty_bit : EaxDirtyFlags{});
dst = src;
}
void ALeffectslot::eax5_fx_slot_set_all(const EaxCall& call)
{
const auto& src = call.get_value<Exception, const EAX50FXSLOTPROPERTIES>();
Eax5AllValidator{}(src);
auto& dst = eax5_.i;
eax_df_ |= eax_load_effect_dirty_bit; // Always reset the effect.
eax_df_ |= (dst.lVolume != src.lVolume ? eax_volume_dirty_bit : EaxDirtyFlags{});
eax_df_ |= (dst.lLock != src.lLock ? eax_lock_dirty_bit : EaxDirtyFlags{});
eax_df_ |= (dst.ulFlags != src.ulFlags ? eax_flags_dirty_bit : EaxDirtyFlags{});
eax_df_ |= (dst.lOcclusion != src.lOcclusion ? eax_flags_dirty_bit : EaxDirtyFlags{});
eax_df_ |= (dst.flOcclusionLFRatio != src.flOcclusionLFRatio ? eax_flags_dirty_bit : EaxDirtyFlags{});
dst = src;
}
bool ALeffectslot::eax_fx_slot_should_update_sources() const noexcept
{
const auto dirty_bits =
eax_occlusion_dirty_bit |
eax_occlusion_lf_ratio_dirty_bit |
eax_flags_dirty_bit;
if((eax_df_ & dirty_bits) != EaxDirtyFlags{})
return true;
return false;
}
// Returns `true` if all sources should be updated, or `false` otherwise.
bool ALeffectslot::eax4_fx_slot_set(const EaxCall& call)
{
auto& dst = eax4_.i;
switch(call.get_property_id())
{
case EAXFXSLOT_NONE:
break;
case EAXFXSLOT_ALLPARAMETERS:
eax4_fx_slot_set_all(call);
break;
case EAXFXSLOT_LOADEFFECT:
eax4_fx_slot_ensure_unlocked();
eax_fx_slot_set_dirty<Eax4GuidLoadEffectValidator, eax_load_effect_dirty_bit>(call, dst.guidLoadEffect, eax_df_);
break;
case EAXFXSLOT_VOLUME:
eax_fx_slot_set<Eax4VolumeValidator, eax_volume_dirty_bit>(call, dst.lVolume, eax_df_);
break;
case EAXFXSLOT_LOCK:
eax4_fx_slot_ensure_unlocked();
eax_fx_slot_set<Eax4LockValidator, eax_lock_dirty_bit>(call, dst.lLock, eax_df_);
break;
case EAXFXSLOT_FLAGS:
eax_fx_slot_set<Eax4FlagsValidator, eax_flags_dirty_bit>(call, dst.ulFlags, eax_df_);
break;
default:
eax_fail_unknown_property_id();
}
return eax_fx_slot_should_update_sources();
}
// Returns `true` if all sources should be updated, or `false` otherwise.
bool ALeffectslot::eax5_fx_slot_set(const EaxCall& call)
{
auto& dst = eax5_.i;
switch(call.get_property_id())
{
case EAXFXSLOT_NONE:
break;
case EAXFXSLOT_ALLPARAMETERS:
eax5_fx_slot_set_all(call);
break;
case EAXFXSLOT_LOADEFFECT:
eax_fx_slot_set_dirty<Eax4GuidLoadEffectValidator, eax_load_effect_dirty_bit>(call, dst.guidLoadEffect, eax_df_);
break;
case EAXFXSLOT_VOLUME:
eax_fx_slot_set<Eax4VolumeValidator, eax_volume_dirty_bit>(call, dst.lVolume, eax_df_);
break;
case EAXFXSLOT_LOCK:
eax_fx_slot_set<Eax4LockValidator, eax_lock_dirty_bit>(call, dst.lLock, eax_df_);
break;
case EAXFXSLOT_FLAGS:
eax_fx_slot_set<Eax5FlagsValidator, eax_flags_dirty_bit>(call, dst.ulFlags, eax_df_);
break;
case EAXFXSLOT_OCCLUSION:
eax_fx_slot_set<Eax5OcclusionValidator, eax_occlusion_dirty_bit>(call, dst.lOcclusion, eax_df_);
break;
case EAXFXSLOT_OCCLUSIONLFRATIO:
eax_fx_slot_set<Eax5OcclusionLfRatioValidator, eax_occlusion_lf_ratio_dirty_bit>(call, dst.flOcclusionLFRatio, eax_df_);
break;
default:
eax_fail_unknown_property_id();
}
return eax_fx_slot_should_update_sources();
}
// Returns `true` if all sources should be updated, or `false` otherwise.
bool ALeffectslot::eax_fx_slot_set(const EaxCall& call)
{
switch (call.get_version())
{
case 4: return eax4_fx_slot_set(call);
case 5: return eax5_fx_slot_set(call);
default: eax_fail_unknown_version();
}
}
// Returns `true` if all sources should be updated, or `false` otherwise.
bool ALeffectslot::eax_set(const EaxCall& call)
{
const auto version = call.get_version();
if(eax_version_ != version)
eax_df_ = ~EaxDirtyFlags{};
eax_version_ = version;
switch(call.get_property_set_id())
{
case EaxCallPropertySetId::fx_slot: return eax_fx_slot_set(call);
case EaxCallPropertySetId::fx_slot_effect: eax_dispatch_effect(call); return false;
default: eax_fail_unknown_property_id();
}
}
void ALeffectslot::eax4_fx_slot_commit(EaxDirtyFlags& dst_df)
{
if(eax_df_ == EaxDirtyFlags{})
return;
eax_fx_slot_commit_property<eax_load_effect_dirty_bit>(eax4_, dst_df, &EAX40FXSLOTPROPERTIES::guidLoadEffect);
eax_fx_slot_commit_property<eax_volume_dirty_bit>(eax4_, dst_df, &EAX40FXSLOTPROPERTIES::lVolume);
eax_fx_slot_commit_property<eax_lock_dirty_bit>(eax4_, dst_df, &EAX40FXSLOTPROPERTIES::lLock);
eax_fx_slot_commit_property<eax_flags_dirty_bit>(eax4_, dst_df, &EAX40FXSLOTPROPERTIES::ulFlags);
auto& dst_i = eax_;
if(dst_i.lOcclusion != EAXFXSLOT_DEFAULTOCCLUSION) {
dst_df |= eax_occlusion_dirty_bit;
dst_i.lOcclusion = EAXFXSLOT_DEFAULTOCCLUSION;
}
if(dst_i.flOcclusionLFRatio != EAXFXSLOT_DEFAULTOCCLUSIONLFRATIO) {
dst_df |= eax_occlusion_lf_ratio_dirty_bit;
dst_i.flOcclusionLFRatio = EAXFXSLOT_DEFAULTOCCLUSIONLFRATIO;
}
eax_df_ = EaxDirtyFlags{};
}
void ALeffectslot::eax5_fx_slot_commit(Eax5State& state, EaxDirtyFlags& dst_df)
{
if(eax_df_ == EaxDirtyFlags{})
return;
eax_fx_slot_commit_property<eax_load_effect_dirty_bit>(state, dst_df, &EAX50FXSLOTPROPERTIES::guidLoadEffect);
eax_fx_slot_commit_property<eax_volume_dirty_bit>(state, dst_df, &EAX50FXSLOTPROPERTIES::lVolume);
eax_fx_slot_commit_property<eax_lock_dirty_bit>(state, dst_df, &EAX50FXSLOTPROPERTIES::lLock);
eax_fx_slot_commit_property<eax_flags_dirty_bit>(state, dst_df, &EAX50FXSLOTPROPERTIES::ulFlags);
eax_fx_slot_commit_property<eax_occlusion_dirty_bit>(state, dst_df, &EAX50FXSLOTPROPERTIES::lOcclusion);
eax_fx_slot_commit_property<eax_occlusion_lf_ratio_dirty_bit>(state, dst_df, &EAX50FXSLOTPROPERTIES::flOcclusionLFRatio);
eax_df_ = EaxDirtyFlags{};
}
void ALeffectslot::eax_dispatch_effect(const EaxCall& call)
{
if(eax_effect_ != nullptr)
eax_effect_->dispatch(call);
}
void ALeffectslot::eax_set_efx_slot_effect(EaxEffect &effect)
{
#define EAX_PREFIX "[EAX_SET_EFFECT_SLOT_EFFECT] "
const auto error = initEffect(effect.al_effect_type_, effect.al_effect_props_, eax_al_context_);
if(error != AL_NO_ERROR) {
ERR(EAX_PREFIX "%s\n", "Failed to initialize an effect.");
return;
}
if(mState == SlotState::Initial) {
mPropsDirty = false;
updateProps(eax_al_context_);
auto effect_slot_ptr = this;
AddActiveEffectSlots({&effect_slot_ptr, 1}, eax_al_context_);
mState = SlotState::Playing;
return;
}
mPropsDirty = true;
#undef EAX_PREFIX
}
void ALeffectslot::eax_set_efx_slot_send_auto(bool is_send_auto)
{
if(AuxSendAuto == is_send_auto)
return;
AuxSendAuto = is_send_auto;
mPropsDirty = true;
}
void ALeffectslot::eax_set_efx_slot_gain(ALfloat gain)
{
#define EAX_PREFIX "[EAX_SET_EFFECT_SLOT_GAIN] "
if(gain == Gain)
return;
if(gain < 0.0f || gain > 1.0f)
ERR(EAX_PREFIX "Gain out of range (%f)\n", gain);
Gain = clampf(gain, 0.0f, 1.0f);
mPropsDirty = true;
#undef EAX_PREFIX
}
void ALeffectslot::EaxDeleter::operator()(ALeffectslot* effect_slot)
{
assert(effect_slot);
eax_delete_al_effect_slot(*effect_slot->eax_al_context_, *effect_slot);
}
EaxAlEffectSlotUPtr eax_create_al_effect_slot(ALCcontext& context)
{
#define EAX_PREFIX "[EAX_MAKE_EFFECT_SLOT] "
std::unique_lock<std::mutex> effect_slot_lock{context.mEffectSlotLock};
auto& device = *context.mALDevice;
if(context.mNumEffectSlots == device.AuxiliaryEffectSlotMax) {
ERR(EAX_PREFIX "%s\n", "Out of memory.");
return nullptr;
}
if(!EnsureEffectSlots(&context, 1)) {
ERR(EAX_PREFIX "%s\n", "Failed to ensure.");
return nullptr;
}
return EaxAlEffectSlotUPtr{AllocEffectSlot(&context)};
#undef EAX_PREFIX
}
void eax_delete_al_effect_slot(ALCcontext& context, ALeffectslot& effect_slot)
{
#define EAX_PREFIX "[EAX_DELETE_EFFECT_SLOT] "
std::lock_guard<std::mutex> effect_slot_lock{context.mEffectSlotLock};
if(ReadRef(effect_slot.ref) != 0) {
ERR(EAX_PREFIX "Deleting in-use effect slot %u.\n", effect_slot.id);
return;
}
auto effect_slot_ptr = &effect_slot;
RemoveActiveEffectSlots({&effect_slot_ptr, 1}, &context);
FreeEffectSlot(&context, &effect_slot);
#undef EAX_PREFIX
}
#endif // ALSOFT_EAX
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