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auxeffectslot.cpp
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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 <cstddef>
#include <cstdint>
#include <functional>
#include <iterator>
#include <memory>
#include <mutex>
#include <numeric>
#include <stdexcept>
#include <string>
#include <tuple>
#include <unordered_map>
#include <vector>
#include "AL/al.h"
#include "AL/alc.h"
#include "AL/alext.h"
#include "AL/efx.h"
#include "albit.h"
#include "alc/alu.h"
#include "alc/context.h"
#include "alc/device.h"
#include "alc/effects/base.h"
#include "alc/inprogext.h"
#include "almalloc.h"
#include "alnumeric.h"
#include "alspan.h"
#include "atomic.h"
#include "buffer.h"
#include "core/buffer_storage.h"
#include "core/device.h"
#include "core/fpu_ctrl.h"
#include "core/logging.h"
#include "direct_defs.h"
#include "effect.h"
#include "error.h"
#include "flexarray.h"
#include "opthelpers.h"
#ifdef ALSOFT_EAX
#include "eax/api.h"
#include "eax/call.h"
#include "eax/effect.h"
#include "eax/fx_slot_index.h"
#include "eax/utils.h"
#endif
namespace {
using SubListAllocator = al::allocator<std::array<ALeffectslot,64>>;
EffectStateFactory *getFactoryByType(EffectSlotType type)
{
switch(type)
{
case EffectSlotType::None: return NullStateFactory_getFactory();
case EffectSlotType::EAXReverb: return ReverbStateFactory_getFactory();
case EffectSlotType::Reverb: return StdReverbStateFactory_getFactory();
case EffectSlotType::Autowah: return AutowahStateFactory_getFactory();
case EffectSlotType::Chorus: return ChorusStateFactory_getFactory();
case EffectSlotType::Compressor: return CompressorStateFactory_getFactory();
case EffectSlotType::Distortion: return DistortionStateFactory_getFactory();
case EffectSlotType::Echo: return EchoStateFactory_getFactory();
case EffectSlotType::Equalizer: return EqualizerStateFactory_getFactory();
case EffectSlotType::Flanger: return ChorusStateFactory_getFactory();
case EffectSlotType::FrequencyShifter: return FshifterStateFactory_getFactory();
case EffectSlotType::RingModulator: return ModulatorStateFactory_getFactory();
case EffectSlotType::PitchShifter: return PshifterStateFactory_getFactory();
case EffectSlotType::VocalMorpher: return VmorpherStateFactory_getFactory();
case EffectSlotType::DedicatedDialog: return DedicatedStateFactory_getFactory();
case EffectSlotType::DedicatedLFE: return DedicatedStateFactory_getFactory();
case EffectSlotType::Convolution: return ConvolutionStateFactory_getFactory();
}
return nullptr;
}
auto LookupEffectSlot(ALCcontext *context, ALuint id) noexcept -> ALeffectslot*
{
const size_t lidx{(id-1) >> 6};
const ALuint slidx{(id-1) & 0x3f};
if(lidx >= context->mEffectSlotList.size()) UNLIKELY
return nullptr;
EffectSlotSubList &sublist{context->mEffectSlotList[lidx]};
if(sublist.FreeMask & (1_u64 << slidx)) UNLIKELY
return nullptr;
return al::to_address(sublist.EffectSlots->begin() + slidx);
}
inline auto LookupEffect(ALCdevice *device, ALuint id) noexcept -> ALeffect*
{
const size_t lidx{(id-1) >> 6};
const ALuint slidx{(id-1) & 0x3f};
if(lidx >= device->EffectList.size()) UNLIKELY
return nullptr;
EffectSubList &sublist = device->EffectList[lidx];
if(sublist.FreeMask & (1_u64 << slidx)) UNLIKELY
return nullptr;
return al::to_address(sublist.Effects->begin() + slidx);
}
inline auto LookupBuffer(ALCdevice *device, ALuint id) noexcept -> ALbuffer*
{
const size_t lidx{(id-1) >> 6};
const ALuint slidx{(id-1) & 0x3f};
if(lidx >= device->BufferList.size()) UNLIKELY
return nullptr;
BufferSubList &sublist = device->BufferList[lidx];
if(sublist.FreeMask & (1_u64 << slidx)) UNLIKELY
return nullptr;
return al::to_address(sublist.Buffers->begin() + slidx);
}
void AddActiveEffectSlots(const al::span<ALeffectslot*> auxslots, ALCcontext *context)
{
if(auxslots.empty()) return;
EffectSlotArray *curarray{context->mActiveAuxSlots.load(std::memory_order_acquire)};
if((curarray->size()>>1) > std::numeric_limits<size_t>::max()-auxslots.size())
throw std::runtime_error{"Too many active effect slots"};
size_t newcount{(curarray->size()>>1) + auxslots.size()};
if(newcount > std::numeric_limits<size_t>::max()>>1)
throw std::runtime_error{"Too many active effect slots"};
/* Insert the new effect slots into the head of the new array, followed by
* the existing ones.
*/
auto newarray = EffectSlot::CreatePtrArray(newcount<<1);
auto new_end = std::transform(auxslots.begin(), auxslots.end(), newarray->begin(),
std::mem_fn(&ALeffectslot::mSlot));
new_end = std::copy_n(curarray->begin(), curarray->size()>>1, new_end);
/* Remove any duplicates (first instance of each will be kept). */
for(auto start=newarray->begin()+1;;)
{
new_end = std::remove(start, new_end, *(start-1));
if(start == new_end) break;
++start;
}
newcount = static_cast<size_t>(std::distance(newarray->begin(), new_end));
/* Reallocate newarray if the new size ended up smaller from duplicate
* removal.
*/
if(newcount < newarray->size()>>1) UNLIKELY
{
auto oldarray = std::move(newarray);
newarray = EffectSlot::CreatePtrArray(newcount<<1);
new_end = std::copy_n(oldarray->begin(), newcount, newarray->begin());
}
std::fill(new_end, newarray->end(), nullptr);
auto oldarray = context->mActiveAuxSlots.exchange(std::move(newarray),
std::memory_order_acq_rel);
std::ignore = context->mDevice->waitForMix();
}
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.
*/
auto newarray = EffectSlot::CreatePtrArray(curarray->size());
auto new_end = std::copy_n(curarray->begin(), curarray->size()>>1, 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(newsize < newarray->size()>>1) LIKELY
{
auto oldarray = std::move(newarray);
newarray = EffectSlot::CreatePtrArray(newsize<<1);
new_end = std::copy_n(oldarray->begin(), newsize, newarray->begin());
}
std::fill(new_end, newarray->end(), nullptr);
auto oldarray = context->mActiveAuxSlots.exchange(std::move(newarray),
std::memory_order_acq_rel);
std::ignore = context->mDevice->waitForMix();
}
constexpr auto EffectSlotTypeFromEnum(ALenum type) noexcept -> EffectSlotType
{
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_SOFT: return EffectSlotType::Convolution;
}
ERR("Unhandled effect enum: 0x%04x\n", type);
return EffectSlotType::None;
}
auto EnsureEffectSlots(ALCcontext *context, size_t needed) noexcept -> bool
try {
size_t count{std::accumulate(context->mEffectSlotList.cbegin(),
context->mEffectSlotList.cend(), 0_uz,
[](size_t cur, const EffectSlotSubList &sublist) noexcept -> size_t
{ return cur + static_cast<ALuint>(al::popcount(sublist.FreeMask)); })};
while(needed > count)
{
if(context->mEffectSlotList.size() >= 1<<25) UNLIKELY
return false;
EffectSlotSubList sublist{};
sublist.FreeMask = ~0_u64;
sublist.EffectSlots = SubListAllocator{}.allocate(1);
context->mEffectSlotList.emplace_back(std::move(sublist));
count += std::tuple_size_v<SubListAllocator::value_type>;
}
return true;
}
catch(...) {
return false;
}
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(al::to_address(sublist->EffectSlots->begin() + 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)
{
context->mEffectSlotNames.erase(slot->id);
const ALuint id{slot->id - 1};
const size_t lidx{id >> 6};
const ALuint slidx{id & 0x3f};
std::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 DECL_FUNC2(void, alGenAuxiliaryEffectSlots, ALsizei,n, ALuint*,effectslots)
FORCE_ALIGN void AL_APIENTRY alGenAuxiliaryEffectSlotsDirect(ALCcontext *context, ALsizei n,
ALuint *effectslots) noexcept
try {
if(n < 0)
throw al::context_error{AL_INVALID_VALUE, "Generating %d effect slots", n};
if(n <= 0) UNLIKELY return;
std::lock_guard<std::mutex> slotlock{context->mEffectSlotLock};
ALCdevice *device{context->mALDevice.get()};
const al::span eids{effectslots, static_cast<ALuint>(n)};
if(eids.size() > device->AuxiliaryEffectSlotMax-context->mNumEffectSlots)
throw al::context_error{AL_OUT_OF_MEMORY, "Exceeding %u effect slot limit (%u + %d)",
device->AuxiliaryEffectSlotMax, context->mNumEffectSlots, n};
if(!EnsureEffectSlots(context, eids.size()))
throw al::context_error{AL_OUT_OF_MEMORY, "Failed to allocate %d effectslot%s", n,
(n == 1) ? "" : "s"};
std::vector<ALeffectslot*> slots;
try {
if(eids.size() == 1)
{
/* Special handling for the easy and normal case. */
eids[0] = AllocEffectSlot(context)->id;
}
else
{
slots.reserve(eids.size());
std::generate_n(std::back_inserter(slots), eids.size(),
[context]{ return AllocEffectSlot(context); });
std::transform(slots.cbegin(), slots.cend(), eids.begin(),
[](ALeffectslot *slot) -> ALuint { return slot->id; });
}
}
catch(std::exception& e) {
ERR("Exception allocating effectslot %zu of %d: %s\n", slots.size()+1, n, e.what());
auto delete_effectslot = [context](ALeffectslot *slot) -> void
{ FreeEffectSlot(context, slot); };
std::for_each(slots.begin(), slots.end(), delete_effectslot);
throw al::context_error{AL_INVALID_OPERATION, "Exception allocating %d effectslots: %s", n,
e.what()};
}
}
catch(al::context_error& e) {
context->setError(e.errorCode(), "%s", e.what());
}
AL_API DECL_FUNC2(void, alDeleteAuxiliaryEffectSlots, ALsizei,n, const ALuint*,effectslots)
FORCE_ALIGN void AL_APIENTRY alDeleteAuxiliaryEffectSlotsDirect(ALCcontext *context, ALsizei n,
const ALuint *effectslots) noexcept
try {
if(n < 0) UNLIKELY
throw al::context_error{AL_INVALID_VALUE, "Deleting %d effect slots", n};
if(n <= 0) UNLIKELY return;
std::lock_guard<std::mutex> slotlock{context->mEffectSlotLock};
if(n == 1)
{
ALeffectslot *slot{LookupEffectSlot(context, *effectslots)};
if(!slot)
throw al::context_error{AL_INVALID_NAME, "Invalid effect slot ID %u", *effectslots};
if(slot->ref.load(std::memory_order_relaxed) != 0)
throw al::context_error{AL_INVALID_OPERATION, "Deleting in-use effect slot %u",
*effectslots};
RemoveActiveEffectSlots({&slot, 1u}, context);
FreeEffectSlot(context, slot);
}
else
{
const al::span eids{effectslots, static_cast<ALuint>(n)};
std::vector<ALeffectslot*> slots;
slots.reserve(eids.size());
auto lookupslot = [context](const ALuint eid) -> ALeffectslot*
{
ALeffectslot *slot{LookupEffectSlot(context, eid)};
if(!slot)
throw al::context_error{AL_INVALID_NAME, "Invalid effect slot ID %u", eid};
if(slot->ref.load(std::memory_order_relaxed) != 0)
throw al::context_error{AL_INVALID_OPERATION, "Deleting in-use effect slot %u",
eid};
return slot;
};
std::transform(eids.cbegin(), eids.cend(), std::back_inserter(slots), lookupslot);
/* All effectslots are valid, remove and delete them */
RemoveActiveEffectSlots(slots, context);
auto delete_effectslot = [context](const ALuint eid) -> void
{
if(ALeffectslot *slot{LookupEffectSlot(context, eid)})
FreeEffectSlot(context, slot);
};
std::for_each(eids.begin(), eids.end(), delete_effectslot);
}
}
catch(al::context_error& e) {
context->setError(e.errorCode(), "%s", e.what());
}
AL_API DECL_FUNC1(ALboolean, alIsAuxiliaryEffectSlot, ALuint,effectslot)
FORCE_ALIGN ALboolean AL_APIENTRY alIsAuxiliaryEffectSlotDirect(ALCcontext *context,
ALuint effectslot) noexcept
{
std::lock_guard<std::mutex> slotlock{context->mEffectSlotLock};
if(LookupEffectSlot(context, effectslot) != nullptr)
return AL_TRUE;
return AL_FALSE;
}
AL_API void AL_APIENTRY alAuxiliaryEffectSlotPlaySOFT(ALuint slotid) noexcept
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
std::lock_guard<std::mutex> slotlock{context->mEffectSlotLock};
ALeffectslot *slot{LookupEffectSlot(context.get(), slotid)};
if(!slot) UNLIKELY
{
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;
}
AL_API void AL_APIENTRY alAuxiliaryEffectSlotPlayvSOFT(ALsizei n, const ALuint *slotids) noexcept
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
try {
if(n < 0)
throw al::context_error{AL_INVALID_VALUE, "Playing %d effect slots", n};
if(n <= 0) UNLIKELY return;
auto ids = al::span{slotids, static_cast<ALuint>(n)};
auto slots = std::vector<ALeffectslot*>(ids.size());
std::lock_guard<std::mutex> slotlock{context->mEffectSlotLock};
auto lookupslot = [&context](const ALuint id) -> ALeffectslot*
{
ALeffectslot *slot{LookupEffectSlot(context.get(), id)};
if(!slot)
throw al::context_error{AL_INVALID_NAME, "Invalid effect slot ID %u", id};
if(slot->mState != SlotState::Playing)
{
slot->mPropsDirty = false;
slot->updateProps(context.get());
}
return slot;
};
std::transform(ids.cbegin(), ids.cend(), slots.begin(), lookupslot);
AddActiveEffectSlots(slots, context.get());
for(auto slot : slots)
slot->mState = SlotState::Playing;
}
catch(al::context_error& e) {
context->setError(e.errorCode(), "%s", e.what());
return;
}
}
AL_API void AL_APIENTRY alAuxiliaryEffectSlotStopSOFT(ALuint slotid) noexcept
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
std::lock_guard<std::mutex> slotlock{context->mEffectSlotLock};
ALeffectslot *slot{LookupEffectSlot(context.get(), slotid)};
if(!slot) UNLIKELY
{
context->setError(AL_INVALID_NAME, "Invalid effect slot ID %u", slotid);
return;
}
RemoveActiveEffectSlots({&slot, 1}, context.get());
slot->mState = SlotState::Stopped;
}
AL_API void AL_APIENTRY alAuxiliaryEffectSlotStopvSOFT(ALsizei n, const ALuint *slotids) noexcept
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
try {
if(n < 0)
throw al::context_error{AL_INVALID_VALUE, "Stopping %d effect slots", n};
if(n <= 0) UNLIKELY return;
auto ids = al::span{slotids, static_cast<ALuint>(n)};
auto slots = std::vector<ALeffectslot*>(ids.size());
std::lock_guard<std::mutex> slotlock{context->mEffectSlotLock};
auto lookupslot = [&context](const ALuint id) -> ALeffectslot*
{
if(ALeffectslot *slot{LookupEffectSlot(context.get(), id)})
return slot;
throw al::context_error{AL_INVALID_NAME, "Invalid effect slot ID %u", id};
};
std::transform(ids.cbegin(), ids.cend(), slots.begin(), lookupslot);
RemoveActiveEffectSlots(slots, context.get());
for(auto slot : slots)
slot->mState = SlotState::Stopped;
}
catch(al::context_error& e) {
context->setError(e.errorCode(), "%s", e.what());
return;
}
}
AL_API DECL_FUNC3(void, alAuxiliaryEffectSloti, ALuint,effectslot, ALenum,param, ALint,value)
FORCE_ALIGN void AL_APIENTRY alAuxiliaryEffectSlotiDirect(ALCcontext *context, ALuint effectslot,
ALenum param, ALint value) noexcept
try {
std::lock_guard<std::mutex> proplock{context->mPropLock};
std::lock_guard<std::mutex> slotlock{context->mEffectSlotLock};
ALeffectslot *slot{LookupEffectSlot(context, effectslot)};
if(!slot) UNLIKELY
throw al::context_error{AL_INVALID_NAME, "Invalid effect slot ID %u", effectslot};
ALeffectslot *target{};
ALenum err{};
switch(param)
{
case AL_EFFECTSLOT_EFFECT:
{
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> effectlock{device->EffectLock};
ALeffect *effect{value ? LookupEffect(device, static_cast<ALuint>(value)) : nullptr};
if(effect)
err = slot->initEffect(effect->id, effect->type, effect->Props, context);
else
{
if(value != 0)
throw al::context_error{AL_INVALID_VALUE, "Invalid effect ID %u", value};
err = slot->initEffect(0, AL_EFFECT_NULL, EffectProps{}, context);
}
}
if(err != AL_NO_ERROR)
throw al::context_error{err, "Effect initialization failed"};
if(slot->mState == SlotState::Initial) UNLIKELY
{
slot->mPropsDirty = false;
slot->updateProps(context);
AddActiveEffectSlots({&slot, 1}, context);
slot->mState = SlotState::Playing;
return;
}
UpdateProps(slot, context);
return;
case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
if(!(value == AL_TRUE || value == AL_FALSE))
throw al::context_error{AL_INVALID_VALUE,
"Effect slot auxiliary send auto out of range"};
if(!(slot->AuxSendAuto == !!value)) LIKELY
{
slot->AuxSendAuto = !!value;
UpdateProps(slot, context);
}
return;
case AL_EFFECTSLOT_TARGET_SOFT:
target = LookupEffectSlot(context, static_cast<ALuint>(value));
if(value && !target)
throw al::context_error{AL_INVALID_VALUE, "Invalid effect slot target ID"};
if(slot->Target == target) UNLIKELY
return;
if(target)
{
ALeffectslot *checker{target};
while(checker && checker != slot)
checker = checker->Target;
if(checker)
throw al::context_error{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);
return;
}
if(target) IncrementRef(target->ref);
slot->Target = target;
UpdateProps(slot, context);
return;
case AL_BUFFER:
if(slot->mState == SlotState::Playing)
throw al::context_error{AL_INVALID_OPERATION,
"Setting buffer on playing effect slot %u", slot->id};
if(ALbuffer *buffer{slot->Buffer})
{
if(buffer->id == static_cast<ALuint>(value)) UNLIKELY
return;
}
else if(value == 0) UNLIKELY
return;
{
ALCdevice *device{context->mALDevice.get()};
std::lock_guard<std::mutex> bufferlock{device->BufferLock};
ALbuffer *buffer{};
if(value)
{
buffer = LookupBuffer(device, static_cast<ALuint>(value));
if(!buffer)
throw al::context_error{AL_INVALID_VALUE, "Invalid buffer ID %u", value};
if(buffer->mCallback)
throw al::context_error{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, buffer);
}
UpdateProps(slot, context);
return;
case AL_EFFECTSLOT_STATE_SOFT:
throw al::context_error{AL_INVALID_OPERATION, "AL_EFFECTSLOT_STATE_SOFT is read-only"};
}
throw al::context_error{AL_INVALID_ENUM, "Invalid effect slot integer property 0x%04x", param};
}
catch(al::context_error& e) {
context->setError(e.errorCode(), "%s", e.what());
}
AL_API DECL_FUNC3(void, alAuxiliaryEffectSlotiv, ALuint,effectslot, ALenum,param, const ALint*,values)
FORCE_ALIGN void AL_APIENTRY alAuxiliaryEffectSlotivDirect(ALCcontext *context, ALuint effectslot,
ALenum param, const ALint *values) noexcept
try {
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:
alAuxiliaryEffectSlotiDirect(context, effectslot, param, *values);
return;
}
std::lock_guard<std::mutex> slotlock{context->mEffectSlotLock};
ALeffectslot *slot{LookupEffectSlot(context, effectslot)};
if(!slot)
throw al::context_error{AL_INVALID_NAME, "Invalid effect slot ID %u", effectslot};
switch(param)
{
}
throw al::context_error{AL_INVALID_ENUM, "Invalid effect slot integer-vector property 0x%04x",
param};
}
catch(al::context_error& e) {
context->setError(e.errorCode(), "%s", e.what());
}
AL_API DECL_FUNC3(void, alAuxiliaryEffectSlotf, ALuint,effectslot, ALenum,param, ALfloat,value)
FORCE_ALIGN void AL_APIENTRY alAuxiliaryEffectSlotfDirect(ALCcontext *context, ALuint effectslot,
ALenum param, ALfloat value) noexcept
try {
std::lock_guard<std::mutex> proplock{context->mPropLock};
std::lock_guard<std::mutex> slotlock{context->mEffectSlotLock};
ALeffectslot *slot{LookupEffectSlot(context, effectslot)};
if(!slot)
throw al::context_error{AL_INVALID_NAME, "Invalid effect slot ID %u", effectslot};
switch(param)
{
case AL_EFFECTSLOT_GAIN:
if(!(value >= 0.0f && value <= 1.0f))
throw al::context_error{AL_INVALID_VALUE, "Effect slot gain out of range"};
if(!(slot->Gain == value)) LIKELY
{
slot->Gain = value;
UpdateProps(slot, context);
}
return;
}
throw al::context_error{AL_INVALID_ENUM, "Invalid effect slot float property 0x%04x", param};
}
catch(al::context_error& e) {
context->setError(e.errorCode(), "%s", e.what());
}
AL_API DECL_FUNC3(void, alAuxiliaryEffectSlotfv, ALuint,effectslot, ALenum,param, const ALfloat*,values)
FORCE_ALIGN void AL_APIENTRY alAuxiliaryEffectSlotfvDirect(ALCcontext *context, ALuint effectslot,
ALenum param, const ALfloat *values) noexcept
try {
switch(param)
{
case AL_EFFECTSLOT_GAIN:
alAuxiliaryEffectSlotfDirect(context, effectslot, param, *values);
return;
}
std::lock_guard<std::mutex> slotlock{context->mEffectSlotLock};
ALeffectslot *slot{LookupEffectSlot(context, effectslot)};
if(!slot)
throw al::context_error{AL_INVALID_NAME, "Invalid effect slot ID %u", effectslot};
switch(param)
{
}
throw al::context_error{AL_INVALID_ENUM, "Invalid effect slot float-vector property 0x%04x",
param};
}
catch(al::context_error& e) {
context->setError(e.errorCode(), "%s", e.what());
}
AL_API DECL_FUNC3(void, alGetAuxiliaryEffectSloti, ALuint,effectslot, ALenum,param, ALint*,value)
FORCE_ALIGN void AL_APIENTRY alGetAuxiliaryEffectSlotiDirect(ALCcontext *context,
ALuint effectslot, ALenum param, ALint *value) noexcept
try {
std::lock_guard<std::mutex> slotlock{context->mEffectSlotLock};
ALeffectslot *slot{LookupEffectSlot(context, effectslot)};
if(!slot)
throw al::context_error{AL_INVALID_NAME, "Invalid effect slot ID %u", effectslot};
switch(param)
{
case AL_EFFECTSLOT_EFFECT:
*value = static_cast<ALint>(slot->EffectId);
return;
case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
*value = slot->AuxSendAuto ? AL_TRUE : AL_FALSE;
return;
case AL_EFFECTSLOT_TARGET_SOFT:
if(auto *target = slot->Target)
*value = static_cast<ALint>(target->id);
else
*value = 0;
return;
case AL_EFFECTSLOT_STATE_SOFT:
*value = static_cast<int>(slot->mState);
return;
case AL_BUFFER:
if(auto *buffer = slot->Buffer)
*value = static_cast<ALint>(buffer->id);
else
*value = 0;
return;
}
throw al::context_error{AL_INVALID_ENUM, "Invalid effect slot integer property 0x%04x", param};
}
catch(al::context_error& e) {
context->setError(e.errorCode(), "%s", e.what());
}
AL_API DECL_FUNC3(void, alGetAuxiliaryEffectSlotiv, ALuint,effectslot, ALenum,param, ALint*,values)
FORCE_ALIGN void AL_APIENTRY alGetAuxiliaryEffectSlotivDirect(ALCcontext *context,
ALuint effectslot, ALenum param, ALint *values) noexcept
try {
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:
alGetAuxiliaryEffectSlotiDirect(context, effectslot, param, values);
return;
}
std::lock_guard<std::mutex> slotlock{context->mEffectSlotLock};
ALeffectslot *slot = LookupEffectSlot(context, effectslot);
if(!slot)
throw al::context_error{AL_INVALID_NAME, "Invalid effect slot ID %u", effectslot};
switch(param)
{
}
throw al::context_error{AL_INVALID_ENUM, "Invalid effect slot integer-vector property 0x%04x",
param};
}
catch(al::context_error& e) {
context->setError(e.errorCode(), "%s", e.what());
}
AL_API DECL_FUNC3(void, alGetAuxiliaryEffectSlotf, ALuint,effectslot, ALenum,param, ALfloat*,value)
FORCE_ALIGN void AL_APIENTRY alGetAuxiliaryEffectSlotfDirect(ALCcontext *context,
ALuint effectslot, ALenum param, ALfloat *value) noexcept
try {
std::lock_guard<std::mutex> slotlock{context->mEffectSlotLock};
ALeffectslot *slot{LookupEffectSlot(context, effectslot)};
if(!slot)
throw al::context_error{AL_INVALID_NAME, "Invalid effect slot ID %u", effectslot};
switch(param)
{
case AL_EFFECTSLOT_GAIN:
*value = slot->Gain;
return;
}
throw al::context_error{AL_INVALID_ENUM, "Invalid effect slot float property 0x%04x", param};
}
catch(al::context_error& e) {
context->setError(e.errorCode(), "%s", e.what());
}
AL_API DECL_FUNC3(void, alGetAuxiliaryEffectSlotfv, ALuint,effectslot, ALenum,param, ALfloat*,values)
FORCE_ALIGN void AL_APIENTRY alGetAuxiliaryEffectSlotfvDirect(ALCcontext *context,
ALuint effectslot, ALenum param, ALfloat *values) noexcept
try {
switch(param)
{
case AL_EFFECTSLOT_GAIN:
alGetAuxiliaryEffectSlotfDirect(context, effectslot, param, values);
return;
}
std::lock_guard<std::mutex> slotlock{context->mEffectSlotLock};
ALeffectslot *slot{LookupEffectSlot(context, effectslot)};
if(!slot)
throw al::context_error{AL_INVALID_NAME, "Invalid effect slot ID %u", effectslot};
switch(param)
{
}
throw al::context_error{AL_INVALID_ENUM, "Invalid effect slot float-vector property 0x%04x",
param};
}
catch(al::context_error& e) {
context->setError(e.errorCode(), "%s", e.what());
}
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(auto *slot = mSlot->Update.exchange(nullptr, std::memory_order_relaxed))
slot->State = nullptr;
mSlot->mEffectState = nullptr;
mSlot->InUse = false;
}
ALenum ALeffectslot::initEffect(ALuint effectId, 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, Buffer);
}
Effect.Type = newtype;
Effect.Props = effectProps;
Effect.State = std::move(state);
}
else if(newtype != EffectSlotType::None)
Effect.Props = effectProps;
EffectId = effectId;
/* 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) const
{
/* Get an unused property container, or allocate a new one as needed. */
EffectSlotProps *props{context->mFreeEffectSlotProps.load(std::memory_order_acquire)};
if(!props)
{
context->allocEffectSlotProps();
props = context->mFreeEffectSlotProps.load(std::memory_order_acquire);
}
EffectSlotProps *next;
do {
next = props->next.load(std::memory_order_relaxed);
} while(!context->mFreeEffectSlotProps.compare_exchange_weak(props, next,
std::memory_order_acq_rel, std::memory_order_acquire));
/* 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);