/**
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* OpenAL cross platform audio library
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* Copyright (C) 1999-2007 by authors.
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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* Or go to http://www.gnu.org/copyleft/lgpl.html
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*/
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#include "config.h"
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#include <cstdlib>
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#include <cmath>
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#include <thread>
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#include <algorithm>
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#include "AL/al.h"
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#include "AL/alc.h"
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#include "alMain.h"
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#include "alcontext.h"
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#include "alAuxEffectSlot.h"
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#include "alError.h"
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#include "alListener.h"
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#include "alSource.h"
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#include "fpu_modes.h"
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#include "alexcpt.h"
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#include "almalloc.h"
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namespace {
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inline ALeffectslot *LookupEffectSlot(ALCcontext *context, ALuint id) noexcept
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{
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ALuint lidx = (id-1) >> 6;
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ALsizei slidx = (id-1) & 0x3f;
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if(UNLIKELY(lidx >= context->EffectSlotList.size()))
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return nullptr;
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EffectSlotSubList &sublist{context->EffectSlotList[lidx]};
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if(UNLIKELY(sublist.FreeMask & (1_u64 << slidx)))
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return nullptr;
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return sublist.EffectSlots + slidx;
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}
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inline ALeffect *LookupEffect(ALCdevice *device, ALuint id) noexcept
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{
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ALuint lidx = (id-1) >> 6;
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ALsizei slidx = (id-1) & 0x3f;
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if(UNLIKELY(lidx >= device->EffectList.size()))
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return nullptr;
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EffectSubList &sublist = device->EffectList[lidx];
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if(UNLIKELY(sublist.FreeMask & (1_u64 << slidx)))
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return nullptr;
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return sublist.Effects + slidx;
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}
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void AddActiveEffectSlots(const ALuint *slotids, ALsizei count, ALCcontext *context)
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{
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if(count < 1) return;
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ALeffectslotArray *curarray{context->ActiveAuxSlots.load(std::memory_order_acquire)};
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size_t newcount{curarray->size() + count};
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/* Insert the new effect slots into the head of the array, followed by the
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* existing ones.
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*/
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ALeffectslotArray *newarray = ALeffectslot::CreatePtrArray(newcount);
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auto slotiter = std::transform(slotids, slotids+count, newarray->begin(),
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[context](ALuint id) noexcept -> ALeffectslot*
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{ return LookupEffectSlot(context, id); }
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);
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std::copy(curarray->begin(), curarray->end(), slotiter);
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/* Remove any duplicates (first instance of each will be kept). */
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auto last = newarray->end();
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for(auto start=newarray->begin()+1;;)
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{
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last = std::remove(start, last, *(start-1));
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if(start == last) break;
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++start;
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}
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newcount = static_cast<size_t>(std::distance(newarray->begin(), last));
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/* Reallocate newarray if the new size ended up smaller from duplicate
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* removal.
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*/
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if(UNLIKELY(newcount < newarray->size()))
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{
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curarray = newarray;
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newarray = ALeffectslot::CreatePtrArray(newcount);
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std::copy_n(curarray->begin(), newcount, newarray->begin());
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delete curarray;
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curarray = nullptr;
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}
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curarray = context->ActiveAuxSlots.exchange(newarray, std::memory_order_acq_rel);
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ALCdevice *device{context->Device};
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while((device->MixCount.load(std::memory_order_acquire)&1))
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std::this_thread::yield();
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delete curarray;
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}
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void RemoveActiveEffectSlots(const ALuint *slotids, ALsizei count, ALCcontext *context)
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{
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if(count < 1) return;
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ALeffectslotArray *curarray{context->ActiveAuxSlots.load(std::memory_order_acquire)};
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/* Don't shrink the allocated array size since we don't know how many (if
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* any) of the effect slots to remove are in the array.
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*/
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ALeffectslotArray *newarray = ALeffectslot::CreatePtrArray(curarray->size());
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/* Copy each element in curarray to newarray whose ID is not in slotids. */
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const ALuint *slotids_end{slotids + count};
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auto slotiter = std::copy_if(curarray->begin(), curarray->end(), newarray->begin(),
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[slotids, slotids_end](const ALeffectslot *slot) -> bool
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{ return std::find(slotids, slotids_end, slot->id) == slotids_end; }
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);
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/* Reallocate with the new size. */
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auto newsize = static_cast<size_t>(std::distance(newarray->begin(), slotiter));
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if(LIKELY(newsize != newarray->size()))
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{
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curarray = newarray;
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newarray = ALeffectslot::CreatePtrArray(newsize);
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std::copy_n(curarray->begin(), newsize, newarray->begin());
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delete curarray;
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curarray = nullptr;
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}
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curarray = context->ActiveAuxSlots.exchange(newarray, std::memory_order_acq_rel);
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ALCdevice *device{context->Device};
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while((device->MixCount.load(std::memory_order_acquire)&1))
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std::this_thread::yield();
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delete curarray;
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}
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ALeffectslot *AllocEffectSlot(ALCcontext *context)
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{
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ALCdevice *device{context->Device};
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std::lock_guard<std::mutex> _{context->EffectSlotLock};
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if(context->NumEffectSlots >= device->AuxiliaryEffectSlotMax)
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{
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alSetError(context, AL_OUT_OF_MEMORY, "Exceeding %u effect slot limit",
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device->AuxiliaryEffectSlotMax);
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return nullptr;
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}
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auto sublist = std::find_if(context->EffectSlotList.begin(), context->EffectSlotList.end(),
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[](const EffectSlotSubList &entry) noexcept -> bool
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{ return entry.FreeMask != 0; }
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);
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auto lidx = static_cast<ALsizei>(std::distance(context->EffectSlotList.begin(), sublist));
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ALeffectslot *slot;
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ALsizei slidx;
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if(LIKELY(sublist != context->EffectSlotList.end()))
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{
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slidx = CTZ64(sublist->FreeMask);
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slot = sublist->EffectSlots + slidx;
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}
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else
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{
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/* Don't allocate so many list entries that the 32-bit ID could
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* overflow...
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*/
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if(UNLIKELY(context->EffectSlotList.size() >= 1<<25))
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{
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alSetError(context, AL_OUT_OF_MEMORY, "Too many effect slots allocated");
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return nullptr;
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}
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context->EffectSlotList.emplace_back();
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sublist = context->EffectSlotList.end() - 1;
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sublist->FreeMask = ~0_u64;
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sublist->EffectSlots = static_cast<ALeffectslot*>(al_calloc(16, sizeof(ALeffectslot)*64));
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if(UNLIKELY(!sublist->EffectSlots))
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{
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context->EffectSlotList.pop_back();
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alSetError(context, AL_OUT_OF_MEMORY, "Failed to allocate effect slot batch");
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return nullptr;
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}
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slidx = 0;
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slot = sublist->EffectSlots + slidx;
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}
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slot = new (slot) ALeffectslot{};
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ALenum err{InitEffectSlot(slot)};
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if(err != AL_NO_ERROR)
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{
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slot->~ALeffectslot();
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alSetError(context, err, "Effect slot object initialization failed");
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return nullptr;
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}
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aluInitEffectPanning(slot, device);
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/* Add 1 to avoid source ID 0. */
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slot->id = ((lidx<<6) | slidx) + 1;
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context->NumEffectSlots += 1;
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sublist->FreeMask &= ~(1_u64 << slidx);
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return slot;
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}
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void FreeEffectSlot(ALCcontext *context, ALeffectslot *slot)
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{
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ALuint id = slot->id - 1;
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ALsizei lidx = id >> 6;
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ALsizei slidx = id & 0x3f;
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slot->~ALeffectslot();
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context->EffectSlotList[lidx].FreeMask |= 1_u64 << slidx;
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context->NumEffectSlots--;
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}
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#define DO_UPDATEPROPS() do { \
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if(!context->DeferUpdates.load(std::memory_order_acquire)) \
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UpdateEffectSlotProps(slot, context.get()); \
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else \
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slot->PropsClean.clear(std::memory_order_release); \
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} while(0)
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} // namespace
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ALeffectslotArray *ALeffectslot::CreatePtrArray(size_t count) noexcept
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{
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/* Allocate space for twice as many pointers, so the mixer has scratch
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* space to store a sorted list during mixing.
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*/
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void *ptr{al_calloc(DEF_ALIGN, ALeffectslotArray::Sizeof(count*2))};
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return new (ptr) ALeffectslotArray{count};
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}
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AL_API ALvoid AL_APIENTRY alGenAuxiliaryEffectSlots(ALsizei n, ALuint *effectslots)
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START_API_FUNC
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{
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ContextRef context{GetContextRef()};
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if(UNLIKELY(!context)) return;
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if(n < 0)
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SETERR_RETURN(context.get(), AL_INVALID_VALUE,, "Generating %d effect slots", n);
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if(n == 0) return;
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if(n == 1)
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{
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ALeffectslot *slot{AllocEffectSlot(context.get())};
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if(!slot) return;
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effectslots[0] = slot->id;
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}
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else
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{
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auto tempids = al::vector<ALuint>(n);
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auto alloc_end = std::find_if_not(tempids.begin(), tempids.end(),
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[&context](ALuint &id) -> bool
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{
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ALeffectslot *slot{AllocEffectSlot(context.get())};
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if(!slot) return false;
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id = slot->id;
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return true;
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}
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);
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if(alloc_end != tempids.end())
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{
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auto count = static_cast<ALsizei>(std::distance(tempids.begin(), alloc_end));
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alDeleteAuxiliaryEffectSlots(count, tempids.data());
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return;
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}
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std::copy(tempids.cbegin(), tempids.cend(), effectslots);
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}
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std::unique_lock<std::mutex> slotlock{context->EffectSlotLock};
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AddActiveEffectSlots(effectslots, n, context.get());
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}
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END_API_FUNC
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AL_API ALvoid AL_APIENTRY alDeleteAuxiliaryEffectSlots(ALsizei n, const ALuint *effectslots)
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START_API_FUNC
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{
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ContextRef context{GetContextRef()};
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if(UNLIKELY(!context)) return;
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if(n < 0)
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SETERR_RETURN(context.get(), AL_INVALID_VALUE,, "Deleting %d effect slots", n);
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if(n == 0) return;
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std::lock_guard<std::mutex> _{context->EffectSlotLock};
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auto effectslots_end = effectslots + n;
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auto bad_slot = std::find_if(effectslots, effectslots_end,
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[&context](ALuint id) -> bool
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{
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ALeffectslot *slot{LookupEffectSlot(context.get(), id)};
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if(!slot)
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{
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alSetError(context.get(), AL_INVALID_NAME, "Invalid effect slot ID %u", id);
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return true;
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}
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if(ReadRef(&slot->ref) != 0)
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{
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alSetError(context.get(), AL_INVALID_NAME, "Deleting in-use effect slot %u", id);
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return true;
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}
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return false;
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}
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);
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if(bad_slot != effectslots_end)
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return;
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// All effectslots are valid, remove and delete them
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RemoveActiveEffectSlots(effectslots, n, context.get());
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std::for_each(effectslots, effectslots_end,
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[&context](ALuint sid) -> void
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{
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ALeffectslot *slot{LookupEffectSlot(context.get(), sid)};
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if(slot) FreeEffectSlot(context.get(), slot);
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}
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);
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}
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END_API_FUNC
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AL_API ALboolean AL_APIENTRY alIsAuxiliaryEffectSlot(ALuint effectslot)
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START_API_FUNC
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{
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ContextRef context{GetContextRef()};
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if(LIKELY(context))
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{
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std::lock_guard<std::mutex> _{context->EffectSlotLock};
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if(LookupEffectSlot(context.get(), effectslot) != nullptr)
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return AL_TRUE;
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}
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return AL_FALSE;
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}
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END_API_FUNC
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AL_API ALvoid AL_APIENTRY alAuxiliaryEffectSloti(ALuint effectslot, ALenum param, ALint value)
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START_API_FUNC
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{
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ContextRef context{GetContextRef()};
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if(UNLIKELY(!context)) return;
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std::lock_guard<std::mutex> _{context->PropLock};
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std::lock_guard<std::mutex> __{context->EffectSlotLock};
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ALeffectslot *slot = LookupEffectSlot(context.get(), effectslot);
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if(UNLIKELY(!slot))
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SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid effect slot ID %u", effectslot);
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ALeffectslot *target{};
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ALCdevice *device{};
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ALenum err{};
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switch(param)
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{
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case AL_EFFECTSLOT_EFFECT:
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device = context->Device;
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{ std::lock_guard<std::mutex> ___{device->EffectLock};
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ALeffect *effect{value ? LookupEffect(device, value) : nullptr};
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if(!(value == 0 || effect != nullptr))
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SETERR_RETURN(context.get(), AL_INVALID_VALUE,, "Invalid effect ID %u", value);
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err = InitializeEffect(context.get(), slot, effect);
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}
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if(err != AL_NO_ERROR)
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{
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alSetError(context.get(), err, "Effect initialization failed");
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return;
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}
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break;
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case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
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if(!(value == AL_TRUE || value == AL_FALSE))
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SETERR_RETURN(context.get(), AL_INVALID_VALUE,,
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"Effect slot auxiliary send auto out of range");
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slot->AuxSendAuto = value;
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break;
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case AL_EFFECTSLOT_TARGET_SOFT:
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target = (value ? LookupEffectSlot(context.get(), value) : nullptr);
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if(value && !target)
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SETERR_RETURN(context.get(), AL_INVALID_VALUE,, "Invalid effect slot target ID");
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if(target)
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{
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ALeffectslot *checker{target};
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while(checker && checker != slot)
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checker = checker->Target;
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if(checker)
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SETERR_RETURN(context.get(), AL_INVALID_OPERATION,,
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"Setting target of effect slot ID %u to %u creates circular chain", slot->id,
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target->id);
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}
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if(ALeffectslot *oldtarget{slot->Target})
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{
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/* We must force an update if there was an existing effect slot
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* target, in case it's about to be deleted.
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*/
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if(target) IncrementRef(&target->ref);
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DecrementRef(&oldtarget->ref);
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slot->Target = target;
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UpdateEffectSlotProps(slot, context.get());
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return;
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}
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if(target) IncrementRef(&target->ref);
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slot->Target = target;
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break;
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default:
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SETERR_RETURN(context.get(), AL_INVALID_ENUM,,
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"Invalid effect slot integer property 0x%04x", param);
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}
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DO_UPDATEPROPS();
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}
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END_API_FUNC
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AL_API ALvoid AL_APIENTRY alAuxiliaryEffectSlotiv(ALuint effectslot, ALenum param, const ALint *values)
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START_API_FUNC
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{
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switch(param)
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{
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case AL_EFFECTSLOT_EFFECT:
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case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
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case AL_EFFECTSLOT_TARGET_SOFT:
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alAuxiliaryEffectSloti(effectslot, param, values[0]);
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return;
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}
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|
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ContextRef context{GetContextRef()};
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if(UNLIKELY(!context)) return;
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|
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std::lock_guard<std::mutex> _{context->EffectSlotLock};
|
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ALeffectslot *slot = LookupEffectSlot(context.get(), effectslot);
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if(UNLIKELY(!slot))
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SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid effect slot ID %u", effectslot);
|
|
|
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switch(param)
|
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{
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default:
|
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SETERR_RETURN(context.get(), AL_INVALID_ENUM,,
|
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"Invalid effect slot integer-vector property 0x%04x", param);
|
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}
|
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}
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END_API_FUNC
|
|
|
|
AL_API ALvoid AL_APIENTRY alAuxiliaryEffectSlotf(ALuint effectslot, ALenum param, ALfloat value)
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START_API_FUNC
|
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{
|
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ContextRef context{GetContextRef()};
|
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if(UNLIKELY(!context)) return;
|
|
|
|
std::lock_guard<std::mutex> _{context->PropLock};
|
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std::lock_guard<std::mutex> __{context->EffectSlotLock};
|
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ALeffectslot *slot = LookupEffectSlot(context.get(), effectslot);
|
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if(UNLIKELY(!slot))
|
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SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid effect slot ID %u", effectslot);
|
|
|
|
switch(param)
|
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{
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case AL_EFFECTSLOT_GAIN:
|
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if(!(value >= 0.0f && value <= 1.0f))
|
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SETERR_RETURN(context.get(), AL_INVALID_VALUE,, "Effect slot gain out of range");
|
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slot->Gain = value;
|
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break;
|
|
|
|
default:
|
|
SETERR_RETURN(context.get(), AL_INVALID_ENUM,, "Invalid effect slot float property 0x%04x",
|
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param);
|
|
}
|
|
DO_UPDATEPROPS();
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API ALvoid AL_APIENTRY alAuxiliaryEffectSlotfv(ALuint effectslot, ALenum param, const ALfloat *values)
|
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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->EffectSlotLock};
|
|
ALeffectslot *slot = LookupEffectSlot(context.get(), effectslot);
|
|
if(UNLIKELY(!slot))
|
|
SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid effect slot ID %u", effectslot);
|
|
|
|
switch(param)
|
|
{
|
|
default:
|
|
SETERR_RETURN(context.get(), AL_INVALID_ENUM,,
|
|
"Invalid effect slot float-vector property 0x%04x", param);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
|
|
AL_API ALvoid 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->EffectSlotLock};
|
|
ALeffectslot *slot = LookupEffectSlot(context.get(), effectslot);
|
|
if(UNLIKELY(!slot))
|
|
SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid effect slot ID %u", effectslot);
|
|
|
|
switch(param)
|
|
{
|
|
case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
|
|
*value = slot->AuxSendAuto;
|
|
break;
|
|
|
|
case AL_EFFECTSLOT_TARGET_SOFT:
|
|
*value = slot->Target ? slot->Target->id : 0;
|
|
break;
|
|
|
|
default:
|
|
SETERR_RETURN(context.get(), AL_INVALID_ENUM,,
|
|
"Invalid effect slot integer property 0x%04x", param);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API ALvoid 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:
|
|
alGetAuxiliaryEffectSloti(effectslot, param, values);
|
|
return;
|
|
}
|
|
|
|
ContextRef context{GetContextRef()};
|
|
if(UNLIKELY(!context)) return;
|
|
|
|
std::lock_guard<std::mutex> _{context->EffectSlotLock};
|
|
ALeffectslot *slot = LookupEffectSlot(context.get(), effectslot);
|
|
if(UNLIKELY(!slot))
|
|
SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid effect slot ID %u", effectslot);
|
|
|
|
switch(param)
|
|
{
|
|
default:
|
|
SETERR_RETURN(context.get(), AL_INVALID_ENUM,,
|
|
"Invalid effect slot integer-vector property 0x%04x", param);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API ALvoid 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->EffectSlotLock};
|
|
ALeffectslot *slot = LookupEffectSlot(context.get(), effectslot);
|
|
if(UNLIKELY(!slot))
|
|
SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid effect slot ID %u", effectslot);
|
|
|
|
switch(param)
|
|
{
|
|
case AL_EFFECTSLOT_GAIN:
|
|
*value = slot->Gain;
|
|
break;
|
|
|
|
default:
|
|
SETERR_RETURN(context.get(), AL_INVALID_ENUM,,
|
|
"Invalid effect slot float property 0x%04x", param);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API ALvoid 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->EffectSlotLock};
|
|
ALeffectslot *slot = LookupEffectSlot(context.get(), effectslot);
|
|
if(UNLIKELY(!slot))
|
|
SETERR_RETURN(context.get(), AL_INVALID_NAME,, "Invalid effect slot ID %u", effectslot);
|
|
|
|
switch(param)
|
|
{
|
|
default:
|
|
SETERR_RETURN(context.get(), AL_INVALID_ENUM,,
|
|
"Invalid effect slot float-vector property 0x%04x", param);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
|
|
ALenum InitializeEffect(ALCcontext *Context, ALeffectslot *EffectSlot, ALeffect *effect)
|
|
{
|
|
ALenum newtype{effect ? effect->type : AL_EFFECT_NULL};
|
|
if(newtype != EffectSlot->Effect.Type)
|
|
{
|
|
EffectStateFactory *factory{getFactoryByType(newtype)};
|
|
if(!factory)
|
|
{
|
|
ERR("Failed to find factory for effect type 0x%04x\n", newtype);
|
|
return AL_INVALID_ENUM;
|
|
}
|
|
EffectState *State{factory->create()};
|
|
if(!State) return AL_OUT_OF_MEMORY;
|
|
|
|
FPUCtl mixer_mode{};
|
|
ALCdevice *Device{Context->Device};
|
|
std::unique_lock<std::mutex> statelock{Device->StateLock};
|
|
State->mOutBuffer = Device->Dry.Buffer;
|
|
State->mOutChannels = Device->Dry.NumChannels;
|
|
if(State->deviceUpdate(Device) == AL_FALSE)
|
|
{
|
|
statelock.unlock();
|
|
mixer_mode.leave();
|
|
State->DecRef();
|
|
return AL_OUT_OF_MEMORY;
|
|
}
|
|
mixer_mode.leave();
|
|
|
|
if(!effect)
|
|
{
|
|
EffectSlot->Effect.Type = AL_EFFECT_NULL;
|
|
EffectSlot->Effect.Props = EffectProps {};
|
|
}
|
|
else
|
|
{
|
|
EffectSlot->Effect.Type = effect->type;
|
|
EffectSlot->Effect.Props = effect->Props;
|
|
}
|
|
|
|
EffectSlot->Effect.State->DecRef();
|
|
EffectSlot->Effect.State = State;
|
|
}
|
|
else if(effect)
|
|
EffectSlot->Effect.Props = effect->Props;
|
|
|
|
/* Remove state references from old effect slot property updates. */
|
|
ALeffectslotProps *props{Context->FreeEffectslotProps.load()};
|
|
while(props)
|
|
{
|
|
if(props->State)
|
|
props->State->DecRef();
|
|
props->State = nullptr;
|
|
props = props->next.load(std::memory_order_relaxed);
|
|
}
|
|
|
|
return AL_NO_ERROR;
|
|
}
|
|
|
|
|
|
void EffectState::IncRef() noexcept
|
|
{
|
|
auto ref = IncrementRef(&mRef);
|
|
TRACEREF("%p increasing refcount to %u\n", this, ref);
|
|
}
|
|
|
|
void EffectState::DecRef() noexcept
|
|
{
|
|
auto ref = DecrementRef(&mRef);
|
|
TRACEREF("%p decreasing refcount to %u\n", this, ref);
|
|
if(ref == 0) delete this;
|
|
}
|
|
|
|
|
|
ALenum InitEffectSlot(ALeffectslot *slot)
|
|
{
|
|
EffectStateFactory *factory{getFactoryByType(slot->Effect.Type)};
|
|
if(!factory) return AL_INVALID_VALUE;
|
|
slot->Effect.State = factory->create();
|
|
if(!slot->Effect.State) return AL_OUT_OF_MEMORY;
|
|
|
|
slot->Effect.State->IncRef();
|
|
slot->Params.mEffectState = slot->Effect.State;
|
|
return AL_NO_ERROR;
|
|
}
|
|
|
|
ALeffectslot::~ALeffectslot()
|
|
{
|
|
if(Target)
|
|
DecrementRef(&Target->ref);
|
|
Target = nullptr;
|
|
|
|
ALeffectslotProps *props{Update.load()};
|
|
if(props)
|
|
{
|
|
if(props->State) props->State->DecRef();
|
|
TRACE("Freed unapplied AuxiliaryEffectSlot update %p\n", props);
|
|
al_free(props);
|
|
}
|
|
|
|
if(Effect.State)
|
|
Effect.State->DecRef();
|
|
if(Params.mEffectState)
|
|
Params.mEffectState->DecRef();
|
|
}
|
|
|
|
void UpdateEffectSlotProps(ALeffectslot *slot, ALCcontext *context)
|
|
{
|
|
/* Get an unused property container, or allocate a new one as needed. */
|
|
ALeffectslotProps *props{context->FreeEffectslotProps.load(std::memory_order_relaxed)};
|
|
if(!props)
|
|
props = static_cast<ALeffectslotProps*>(al_calloc(16, sizeof(*props)));
|
|
else
|
|
{
|
|
ALeffectslotProps *next;
|
|
do {
|
|
next = props->next.load(std::memory_order_relaxed);
|
|
} while(context->FreeEffectslotProps.compare_exchange_weak(props, next,
|
|
std::memory_order_seq_cst, std::memory_order_acquire) == 0);
|
|
}
|
|
|
|
/* Copy in current property values. */
|
|
props->Gain = slot->Gain;
|
|
props->AuxSendAuto = slot->AuxSendAuto;
|
|
props->Target = slot->Target;
|
|
|
|
props->Type = slot->Effect.Type;
|
|
props->Props = slot->Effect.Props;
|
|
/* Swap out any stale effect state object there may be in the container, to
|
|
* delete it.
|
|
*/
|
|
EffectState *oldstate{props->State};
|
|
slot->Effect.State->IncRef();
|
|
props->State = slot->Effect.State;
|
|
|
|
/* Set the new container for updating internal parameters. */
|
|
props = slot->Update.exchange(props, std::memory_order_acq_rel);
|
|
if(props)
|
|
{
|
|
/* If there was an unused update container, put it back in the
|
|
* freelist.
|
|
*/
|
|
if(props->State)
|
|
props->State->DecRef();
|
|
props->State = nullptr;
|
|
AtomicReplaceHead(context->FreeEffectslotProps, props);
|
|
}
|
|
|
|
if(oldstate)
|
|
oldstate->DecRef();
|
|
}
|
|
|
|
void UpdateAllEffectSlotProps(ALCcontext *context)
|
|
{
|
|
std::lock_guard<std::mutex> _{context->EffectSlotLock};
|
|
ALeffectslotArray *auxslots{context->ActiveAuxSlots.load(std::memory_order_acquire)};
|
|
for(ALeffectslot *slot : *auxslots)
|
|
{
|
|
if(!slot->PropsClean.test_and_set(std::memory_order_acq_rel))
|
|
UpdateEffectSlotProps(slot, context);
|
|
}
|
|
}
|
|
|
|
EffectSlotSubList::~EffectSlotSubList()
|
|
{
|
|
uint64_t usemask{~FreeMask};
|
|
while(usemask)
|
|
{
|
|
ALsizei idx{CTZ64(usemask)};
|
|
EffectSlots[idx].~ALeffectslot();
|
|
usemask &= ~(1_u64 << idx);
|
|
}
|
|
FreeMask = ~usemask;
|
|
al_free(EffectSlots);
|
|
EffectSlots = nullptr;
|
|
}
|