mirror of https://github.com/axmolengine/axmol.git
1300 lines
32 KiB
C++
1300 lines
32 KiB
C++
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#include "config.h"
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#include "context.h"
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#include <algorithm>
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#include <functional>
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#include <limits>
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#include <numeric>
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#include <stddef.h>
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#include <stdexcept>
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#include "AL/efx.h"
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#include "al/auxeffectslot.h"
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#include "al/source.h"
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#include "al/effect.h"
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#include "al/event.h"
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#include "al/listener.h"
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#include "albit.h"
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#include "alc/alu.h"
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#include "core/async_event.h"
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#include "core/device.h"
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#include "core/effectslot.h"
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#include "core/logging.h"
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#include "core/voice.h"
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#include "core/voice_change.h"
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#include "device.h"
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#include "ringbuffer.h"
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#include "vecmat.h"
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#ifdef ALSOFT_EAX
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#include <cassert>
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#include <cstring>
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#include "alstring.h"
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#include "al/eax_exception.h"
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#include "al/eax_globals.h"
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#endif // ALSOFT_EAX
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namespace {
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using namespace std::placeholders;
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using voidp = void*;
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/* Default context extensions */
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constexpr ALchar alExtList[] =
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"AL_EXT_ALAW "
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"AL_EXT_BFORMAT "
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"AL_EXT_DOUBLE "
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"AL_EXT_EXPONENT_DISTANCE "
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"AL_EXT_FLOAT32 "
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"AL_EXT_IMA4 "
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"AL_EXT_LINEAR_DISTANCE "
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"AL_EXT_MCFORMATS "
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"AL_EXT_MULAW "
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"AL_EXT_MULAW_BFORMAT "
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"AL_EXT_MULAW_MCFORMATS "
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"AL_EXT_OFFSET "
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"AL_EXT_source_distance_model "
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"AL_EXT_SOURCE_RADIUS "
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"AL_EXT_STEREO_ANGLES "
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"AL_LOKI_quadriphonic "
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"AL_SOFT_bformat_ex "
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"AL_SOFTX_bformat_hoa "
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"AL_SOFT_block_alignment "
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"AL_SOFT_callback_buffer "
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"AL_SOFTX_convolution_reverb "
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"AL_SOFT_deferred_updates "
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"AL_SOFT_direct_channels "
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"AL_SOFT_direct_channels_remix "
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"AL_SOFT_effect_target "
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"AL_SOFT_events "
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"AL_SOFT_gain_clamp_ex "
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"AL_SOFTX_hold_on_disconnect "
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"AL_SOFT_loop_points "
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"AL_SOFTX_map_buffer "
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"AL_SOFT_MSADPCM "
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"AL_SOFT_source_latency "
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"AL_SOFT_source_length "
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"AL_SOFT_source_resampler "
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"AL_SOFT_source_spatialize "
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"AL_SOFT_UHJ";
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} // namespace
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std::atomic<ALCcontext*> ALCcontext::sGlobalContext{nullptr};
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thread_local ALCcontext *ALCcontext::sLocalContext{nullptr};
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ALCcontext::ThreadCtx::~ThreadCtx()
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{
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if(ALCcontext *ctx{ALCcontext::sLocalContext})
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{
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const bool result{ctx->releaseIfNoDelete()};
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ERR("Context %p current for thread being destroyed%s!\n", voidp{ctx},
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result ? "" : ", leak detected");
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}
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}
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thread_local ALCcontext::ThreadCtx ALCcontext::sThreadContext;
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ALeffect ALCcontext::sDefaultEffect;
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#ifdef __MINGW32__
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ALCcontext *ALCcontext::getThreadContext() noexcept
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{ return sLocalContext; }
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void ALCcontext::setThreadContext(ALCcontext *context) noexcept
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{ sThreadContext.set(context); }
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#endif
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ALCcontext::ALCcontext(al::intrusive_ptr<ALCdevice> device)
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: ContextBase{device.get()}, mALDevice{std::move(device)}
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{
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}
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ALCcontext::~ALCcontext()
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{
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TRACE("Freeing context %p\n", voidp{this});
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size_t count{std::accumulate(mSourceList.cbegin(), mSourceList.cend(), size_t{0u},
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[](size_t cur, const SourceSubList &sublist) noexcept -> size_t
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{ return cur + static_cast<uint>(al::popcount(~sublist.FreeMask)); })};
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if(count > 0)
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WARN("%zu Source%s not deleted\n", count, (count==1)?"":"s");
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mSourceList.clear();
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mNumSources = 0;
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#ifdef ALSOFT_EAX
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eax_uninitialize();
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#endif // ALSOFT_EAX
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mDefaultSlot = nullptr;
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count = std::accumulate(mEffectSlotList.cbegin(), mEffectSlotList.cend(), size_t{0u},
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[](size_t cur, const EffectSlotSubList &sublist) noexcept -> size_t
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{ return cur + static_cast<uint>(al::popcount(~sublist.FreeMask)); });
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if(count > 0)
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WARN("%zu AuxiliaryEffectSlot%s not deleted\n", count, (count==1)?"":"s");
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mEffectSlotList.clear();
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mNumEffectSlots = 0;
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}
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void ALCcontext::init()
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{
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if(sDefaultEffect.type != AL_EFFECT_NULL && mDevice->Type == DeviceType::Playback)
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{
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mDefaultSlot = std::make_unique<ALeffectslot>();
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aluInitEffectPanning(&mDefaultSlot->mSlot, this);
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}
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EffectSlotArray *auxslots;
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if(!mDefaultSlot)
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auxslots = EffectSlot::CreatePtrArray(0);
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else
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{
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auxslots = EffectSlot::CreatePtrArray(1);
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(*auxslots)[0] = &mDefaultSlot->mSlot;
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mDefaultSlot->mState = SlotState::Playing;
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}
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mActiveAuxSlots.store(auxslots, std::memory_order_relaxed);
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allocVoiceChanges();
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{
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VoiceChange *cur{mVoiceChangeTail};
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while(VoiceChange *next{cur->mNext.load(std::memory_order_relaxed)})
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cur = next;
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mCurrentVoiceChange.store(cur, std::memory_order_relaxed);
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}
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mExtensionList = alExtList;
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#ifdef ALSOFT_EAX
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eax_initialize_extensions();
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#endif // ALSOFT_EAX
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mParams.Position = alu::Vector{0.0f, 0.0f, 0.0f, 1.0f};
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mParams.Matrix = alu::Matrix::Identity();
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mParams.Velocity = alu::Vector{};
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mParams.Gain = mListener.Gain;
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mParams.MetersPerUnit = mListener.mMetersPerUnit;
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mParams.AirAbsorptionGainHF = mAirAbsorptionGainHF;
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mParams.DopplerFactor = mDopplerFactor;
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mParams.SpeedOfSound = mSpeedOfSound * mDopplerVelocity;
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mParams.SourceDistanceModel = mSourceDistanceModel;
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mParams.mDistanceModel = mDistanceModel;
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mAsyncEvents = RingBuffer::Create(511, sizeof(AsyncEvent), false);
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StartEventThrd(this);
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allocVoices(256);
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mActiveVoiceCount.store(64, std::memory_order_relaxed);
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}
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bool ALCcontext::deinit()
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{
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if(sLocalContext == this)
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{
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WARN("%p released while current on thread\n", voidp{this});
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sThreadContext.set(nullptr);
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release();
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}
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ALCcontext *origctx{this};
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if(sGlobalContext.compare_exchange_strong(origctx, nullptr))
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release();
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bool ret{};
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/* First make sure this context exists in the device's list. */
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auto *oldarray = mDevice->mContexts.load(std::memory_order_acquire);
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if(auto toremove = static_cast<size_t>(std::count(oldarray->begin(), oldarray->end(), this)))
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{
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using ContextArray = al::FlexArray<ContextBase*>;
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auto alloc_ctx_array = [](const size_t count) -> ContextArray*
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{
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if(count == 0) return &DeviceBase::sEmptyContextArray;
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return ContextArray::Create(count).release();
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};
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auto *newarray = alloc_ctx_array(oldarray->size() - toremove);
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/* Copy the current/old context handles to the new array, excluding the
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* given context.
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*/
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std::copy_if(oldarray->begin(), oldarray->end(), newarray->begin(),
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std::bind(std::not_equal_to<>{}, _1, this));
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/* Store the new context array in the device. Wait for any current mix
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* to finish before deleting the old array.
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*/
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mDevice->mContexts.store(newarray);
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if(oldarray != &DeviceBase::sEmptyContextArray)
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{
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mDevice->waitForMix();
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delete oldarray;
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}
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ret = !newarray->empty();
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}
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else
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ret = !oldarray->empty();
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StopEventThrd(this);
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return ret;
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}
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void ALCcontext::applyAllUpdates()
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{
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/* Tell the mixer to stop applying updates, then wait for any active
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* updating to finish, before providing updates.
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*/
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mHoldUpdates.store(true, std::memory_order_release);
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while((mUpdateCount.load(std::memory_order_acquire)&1) != 0) {
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/* busy-wait */
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}
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#ifdef ALSOFT_EAX
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eax_apply_deferred();
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#endif
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if(std::exchange(mPropsDirty, false))
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UpdateContextProps(this);
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UpdateAllEffectSlotProps(this);
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UpdateAllSourceProps(this);
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/* Now with all updates declared, let the mixer continue applying them so
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* they all happen at once.
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*/
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mHoldUpdates.store(false, std::memory_order_release);
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}
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#ifdef ALSOFT_EAX
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namespace {
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class ContextException :
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public EaxException
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{
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public:
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explicit ContextException(
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const char* message)
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:
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EaxException{"EAX_CONTEXT", message}
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{
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}
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}; // ContextException
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template<typename F>
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void ForEachSource(ALCcontext *context, F func)
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{
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for(auto &sublist : context->mSourceList)
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{
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uint64_t usemask{~sublist.FreeMask};
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while(usemask)
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{
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const int idx{al::countr_zero(usemask)};
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usemask &= ~(1_u64 << idx);
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func(sublist.Sources[idx]);
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}
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}
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}
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} // namespace
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bool ALCcontext::eax_is_capable() const noexcept
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{
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return eax_has_enough_aux_sends();
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}
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void ALCcontext::eax_uninitialize() noexcept
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{
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if (!eax_is_initialized_)
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{
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return;
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}
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eax_is_initialized_ = true;
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eax_is_tried_ = false;
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eax_fx_slots_.uninitialize();
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}
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ALenum ALCcontext::eax_eax_set(
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const GUID* property_set_id,
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ALuint property_id,
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ALuint property_source_id,
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ALvoid* property_value,
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ALuint property_value_size)
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{
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eax_initialize();
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const auto eax_call = create_eax_call(
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false,
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property_set_id,
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property_id,
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property_source_id,
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property_value,
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property_value_size
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);
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eax_unlock_legacy_fx_slots(eax_call);
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switch (eax_call.get_property_set_id())
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{
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case EaxEaxCallPropertySetId::context:
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eax_set(eax_call);
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break;
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case EaxEaxCallPropertySetId::fx_slot:
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case EaxEaxCallPropertySetId::fx_slot_effect:
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eax_dispatch_fx_slot(eax_call);
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break;
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case EaxEaxCallPropertySetId::source:
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eax_dispatch_source(eax_call);
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break;
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default:
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eax_fail("Unsupported property set id.");
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}
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static constexpr auto deferred_flag = 0x80000000u;
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if(!(property_id&deferred_flag) && !mDeferUpdates)
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applyAllUpdates();
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return AL_NO_ERROR;
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}
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ALenum ALCcontext::eax_eax_get(
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const GUID* property_set_id,
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ALuint property_id,
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ALuint property_source_id,
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ALvoid* property_value,
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ALuint property_value_size)
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{
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eax_initialize();
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const auto eax_call = create_eax_call(
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true,
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property_set_id,
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property_id,
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property_source_id,
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property_value,
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property_value_size
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);
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eax_unlock_legacy_fx_slots(eax_call);
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switch (eax_call.get_property_set_id())
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{
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case EaxEaxCallPropertySetId::context:
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eax_get(eax_call);
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break;
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case EaxEaxCallPropertySetId::fx_slot:
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case EaxEaxCallPropertySetId::fx_slot_effect:
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eax_dispatch_fx_slot(eax_call);
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break;
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case EaxEaxCallPropertySetId::source:
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eax_dispatch_source(eax_call);
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break;
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default:
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eax_fail("Unsupported property set id.");
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}
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return AL_NO_ERROR;
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}
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void ALCcontext::eax_update_filters()
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{
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ForEachSource(this, std::mem_fn(&ALsource::eax_update_filters));
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}
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void ALCcontext::eax_commit_and_update_sources()
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{
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std::unique_lock<std::mutex> source_lock{mSourceLock};
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ForEachSource(this, std::mem_fn(&ALsource::eax_commit_and_update));
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}
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void ALCcontext::eax_set_last_error() noexcept
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{
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eax_last_error_ = EAXERR_INVALID_OPERATION;
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}
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[[noreturn]]
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void ALCcontext::eax_fail(
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const char* message)
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{
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throw ContextException{message};
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}
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void ALCcontext::eax_initialize_extensions()
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{
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if (!eax_g_is_enabled)
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{
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return;
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}
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const auto string_max_capacity =
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std::strlen(mExtensionList) + 1 +
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std::strlen(eax1_ext_name) + 1 +
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std::strlen(eax2_ext_name) + 1 +
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std::strlen(eax3_ext_name) + 1 +
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std::strlen(eax4_ext_name) + 1 +
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std::strlen(eax5_ext_name) + 1 +
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std::strlen(eax_x_ram_ext_name) + 1 +
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0;
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eax_extension_list_.reserve(string_max_capacity);
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if (eax_is_capable())
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{
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eax_extension_list_ += eax1_ext_name;
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eax_extension_list_ += ' ';
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eax_extension_list_ += eax2_ext_name;
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eax_extension_list_ += ' ';
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eax_extension_list_ += eax3_ext_name;
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eax_extension_list_ += ' ';
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eax_extension_list_ += eax4_ext_name;
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eax_extension_list_ += ' ';
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eax_extension_list_ += eax5_ext_name;
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eax_extension_list_ += ' ';
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}
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eax_extension_list_ += eax_x_ram_ext_name;
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eax_extension_list_ += ' ';
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eax_extension_list_ += mExtensionList;
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mExtensionList = eax_extension_list_.c_str();
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}
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void ALCcontext::eax_initialize()
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{
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if (eax_is_initialized_)
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{
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return;
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}
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if (eax_is_tried_)
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{
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eax_fail("No EAX.");
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}
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eax_is_tried_ = true;
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if (!eax_g_is_enabled)
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{
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eax_fail("EAX disabled by a configuration.");
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}
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eax_ensure_compatibility();
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eax_set_defaults();
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eax_set_air_absorbtion_hf();
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eax_update_speaker_configuration();
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eax_initialize_fx_slots();
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eax_initialize_sources();
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eax_is_initialized_ = true;
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}
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bool ALCcontext::eax_has_no_default_effect_slot() const noexcept
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{
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return mDefaultSlot == nullptr;
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}
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void ALCcontext::eax_ensure_no_default_effect_slot() const
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{
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if (!eax_has_no_default_effect_slot())
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{
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eax_fail("There is a default effect slot in the context.");
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}
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}
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bool ALCcontext::eax_has_enough_aux_sends() const noexcept
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{
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return mALDevice->NumAuxSends >= EAX_MAX_FXSLOTS;
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}
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void ALCcontext::eax_ensure_enough_aux_sends() const
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{
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if (!eax_has_enough_aux_sends())
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{
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eax_fail("Not enough aux sends.");
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}
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}
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void ALCcontext::eax_ensure_compatibility()
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{
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eax_ensure_enough_aux_sends();
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}
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unsigned long ALCcontext::eax_detect_speaker_configuration() const
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{
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#define EAX_PREFIX "[EAX_DETECT_SPEAKER_CONFIG]"
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switch(mDevice->FmtChans)
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{
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case DevFmtMono: return SPEAKERS_2;
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case DevFmtStereo:
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/* Pretend 7.1 if using UHJ output, since they both provide full
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* horizontal surround.
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*/
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if(mDevice->mUhjEncoder)
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return SPEAKERS_7;
|
|
if(mDevice->Flags.test(DirectEar))
|
|
return HEADPHONES;
|
|
return SPEAKERS_2;
|
|
case DevFmtQuad: return SPEAKERS_4;
|
|
case DevFmtX51: return SPEAKERS_5;
|
|
case DevFmtX61: return SPEAKERS_6;
|
|
case DevFmtX71: return SPEAKERS_7;
|
|
/* This could also be HEADPHONES, since headphones-based HRTF and Ambi3D
|
|
* provide full-sphere surround sound. Depends if apps are more likely to
|
|
* consider headphones or 7.1 for surround sound support.
|
|
*/
|
|
case DevFmtAmbi3D: return SPEAKERS_7;
|
|
}
|
|
ERR(EAX_PREFIX "Unexpected device channel format 0x%x.\n", mDevice->FmtChans);
|
|
return HEADPHONES;
|
|
|
|
#undef EAX_PREFIX
|
|
}
|
|
|
|
void ALCcontext::eax_update_speaker_configuration()
|
|
{
|
|
eax_speaker_config_ = eax_detect_speaker_configuration();
|
|
}
|
|
|
|
void ALCcontext::eax_set_last_error_defaults() noexcept
|
|
{
|
|
eax_last_error_ = EAX_OK;
|
|
}
|
|
|
|
void ALCcontext::eax_set_session_defaults() noexcept
|
|
{
|
|
eax_session_.ulEAXVersion = EAXCONTEXT_MINEAXSESSION;
|
|
eax_session_.ulMaxActiveSends = EAXCONTEXT_DEFAULTMAXACTIVESENDS;
|
|
}
|
|
|
|
void ALCcontext::eax_set_context_defaults() noexcept
|
|
{
|
|
eax_.context.guidPrimaryFXSlotID = EAXCONTEXT_DEFAULTPRIMARYFXSLOTID;
|
|
eax_.context.flDistanceFactor = EAXCONTEXT_DEFAULTDISTANCEFACTOR;
|
|
eax_.context.flAirAbsorptionHF = EAXCONTEXT_DEFAULTAIRABSORPTIONHF;
|
|
eax_.context.flHFReference = EAXCONTEXT_DEFAULTHFREFERENCE;
|
|
}
|
|
|
|
void ALCcontext::eax_set_defaults() noexcept
|
|
{
|
|
eax_set_last_error_defaults();
|
|
eax_set_session_defaults();
|
|
eax_set_context_defaults();
|
|
|
|
eax_d_ = eax_;
|
|
}
|
|
|
|
void ALCcontext::eax_unlock_legacy_fx_slots(const EaxEaxCall& eax_call) noexcept
|
|
{
|
|
if (eax_call.get_version() != 5 || eax_are_legacy_fx_slots_unlocked_)
|
|
return;
|
|
|
|
eax_are_legacy_fx_slots_unlocked_ = true;
|
|
eax_fx_slots_.unlock_legacy();
|
|
}
|
|
|
|
void ALCcontext::eax_dispatch_fx_slot(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
const auto fx_slot_index = eax_call.get_fx_slot_index();
|
|
if(!fx_slot_index.has_value())
|
|
eax_fail("Invalid fx slot index.");
|
|
|
|
auto& fx_slot = eax_get_fx_slot(*fx_slot_index);
|
|
if(fx_slot.eax_dispatch(eax_call))
|
|
{
|
|
std::lock_guard<std::mutex> source_lock{mSourceLock};
|
|
eax_update_filters();
|
|
}
|
|
}
|
|
|
|
void ALCcontext::eax_dispatch_source(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
const auto source_id = eax_call.get_property_al_name();
|
|
|
|
std::lock_guard<std::mutex> source_lock{mSourceLock};
|
|
|
|
const auto source = ALsource::eax_lookup_source(*this, source_id);
|
|
|
|
if (!source)
|
|
{
|
|
eax_fail("Source not found.");
|
|
}
|
|
|
|
source->eax_dispatch(eax_call);
|
|
}
|
|
|
|
void ALCcontext::eax_get_primary_fx_slot_id(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
eax_call.set_value<ContextException>(eax_.context.guidPrimaryFXSlotID);
|
|
}
|
|
|
|
void ALCcontext::eax_get_distance_factor(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
eax_call.set_value<ContextException>(eax_.context.flDistanceFactor);
|
|
}
|
|
|
|
void ALCcontext::eax_get_air_absorption_hf(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
eax_call.set_value<ContextException>(eax_.context.flAirAbsorptionHF);
|
|
}
|
|
|
|
void ALCcontext::eax_get_hf_reference(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
eax_call.set_value<ContextException>(eax_.context.flHFReference);
|
|
}
|
|
|
|
void ALCcontext::eax_get_last_error(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
const auto eax_last_error = eax_last_error_;
|
|
eax_last_error_ = EAX_OK;
|
|
eax_call.set_value<ContextException>(eax_last_error);
|
|
}
|
|
|
|
void ALCcontext::eax_get_speaker_config(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
eax_call.set_value<ContextException>(eax_speaker_config_);
|
|
}
|
|
|
|
void ALCcontext::eax_get_session(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
eax_call.set_value<ContextException>(eax_session_);
|
|
}
|
|
|
|
void ALCcontext::eax_get_macro_fx_factor(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
eax_call.set_value<ContextException>(eax_.context.flMacroFXFactor);
|
|
}
|
|
|
|
void ALCcontext::eax_get_context_all(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
switch (eax_call.get_version())
|
|
{
|
|
case 4:
|
|
eax_call.set_value<ContextException>(static_cast<const EAX40CONTEXTPROPERTIES&>(eax_.context));
|
|
break;
|
|
|
|
case 5:
|
|
eax_call.set_value<ContextException>(static_cast<const EAX50CONTEXTPROPERTIES&>(eax_.context));
|
|
break;
|
|
|
|
default:
|
|
eax_fail("Unsupported EAX version.");
|
|
}
|
|
}
|
|
|
|
void ALCcontext::eax_get(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
switch (eax_call.get_property_id())
|
|
{
|
|
case EAXCONTEXT_NONE:
|
|
break;
|
|
|
|
case EAXCONTEXT_ALLPARAMETERS:
|
|
eax_get_context_all(eax_call);
|
|
break;
|
|
|
|
case EAXCONTEXT_PRIMARYFXSLOTID:
|
|
eax_get_primary_fx_slot_id(eax_call);
|
|
break;
|
|
|
|
case EAXCONTEXT_DISTANCEFACTOR:
|
|
eax_get_distance_factor(eax_call);
|
|
break;
|
|
|
|
case EAXCONTEXT_AIRABSORPTIONHF:
|
|
eax_get_air_absorption_hf(eax_call);
|
|
break;
|
|
|
|
case EAXCONTEXT_HFREFERENCE:
|
|
eax_get_hf_reference(eax_call);
|
|
break;
|
|
|
|
case EAXCONTEXT_LASTERROR:
|
|
eax_get_last_error(eax_call);
|
|
break;
|
|
|
|
case EAXCONTEXT_SPEAKERCONFIG:
|
|
eax_get_speaker_config(eax_call);
|
|
break;
|
|
|
|
case EAXCONTEXT_EAXSESSION:
|
|
eax_get_session(eax_call);
|
|
break;
|
|
|
|
case EAXCONTEXT_MACROFXFACTOR:
|
|
eax_get_macro_fx_factor(eax_call);
|
|
break;
|
|
|
|
default:
|
|
eax_fail("Unsupported property id.");
|
|
}
|
|
}
|
|
|
|
void ALCcontext::eax_set_primary_fx_slot_id()
|
|
{
|
|
eax_previous_primary_fx_slot_index_ = eax_primary_fx_slot_index_;
|
|
eax_primary_fx_slot_index_ = eax_.context.guidPrimaryFXSlotID;
|
|
}
|
|
|
|
void ALCcontext::eax_set_distance_factor()
|
|
{
|
|
mListener.mMetersPerUnit = eax_.context.flDistanceFactor;
|
|
mPropsDirty = true;
|
|
}
|
|
|
|
void ALCcontext::eax_set_air_absorbtion_hf()
|
|
{
|
|
mAirAbsorptionGainHF = level_mb_to_gain(eax_.context.flAirAbsorptionHF);
|
|
mPropsDirty = true;
|
|
}
|
|
|
|
void ALCcontext::eax_set_hf_reference()
|
|
{
|
|
// TODO
|
|
}
|
|
|
|
void ALCcontext::eax_set_macro_fx_factor()
|
|
{
|
|
// TODO
|
|
}
|
|
|
|
void ALCcontext::eax_set_context()
|
|
{
|
|
eax_set_primary_fx_slot_id();
|
|
eax_set_distance_factor();
|
|
eax_set_air_absorbtion_hf();
|
|
eax_set_hf_reference();
|
|
}
|
|
|
|
void ALCcontext::eax_initialize_fx_slots()
|
|
{
|
|
eax_fx_slots_.initialize(*this);
|
|
eax_previous_primary_fx_slot_index_ = eax_.context.guidPrimaryFXSlotID;
|
|
eax_primary_fx_slot_index_ = eax_.context.guidPrimaryFXSlotID;
|
|
}
|
|
|
|
void ALCcontext::eax_initialize_sources()
|
|
{
|
|
std::unique_lock<std::mutex> source_lock{mSourceLock};
|
|
auto init_source = [this](ALsource &source) noexcept
|
|
{ source.eax_initialize(this); };
|
|
ForEachSource(this, init_source);
|
|
}
|
|
|
|
void ALCcontext::eax_update_sources()
|
|
{
|
|
std::unique_lock<std::mutex> source_lock{mSourceLock};
|
|
auto update_source = [this](ALsource &source)
|
|
{ source.eax_update(eax_context_shared_dirty_flags_); };
|
|
ForEachSource(this, update_source);
|
|
}
|
|
|
|
void ALCcontext::eax_validate_primary_fx_slot_id(
|
|
const GUID& primary_fx_slot_id)
|
|
{
|
|
if (primary_fx_slot_id != EAX_NULL_GUID &&
|
|
primary_fx_slot_id != EAXPROPERTYID_EAX40_FXSlot0 &&
|
|
primary_fx_slot_id != EAXPROPERTYID_EAX50_FXSlot0 &&
|
|
primary_fx_slot_id != EAXPROPERTYID_EAX40_FXSlot1 &&
|
|
primary_fx_slot_id != EAXPROPERTYID_EAX50_FXSlot1 &&
|
|
primary_fx_slot_id != EAXPROPERTYID_EAX40_FXSlot2 &&
|
|
primary_fx_slot_id != EAXPROPERTYID_EAX50_FXSlot2 &&
|
|
primary_fx_slot_id != EAXPROPERTYID_EAX40_FXSlot3 &&
|
|
primary_fx_slot_id != EAXPROPERTYID_EAX50_FXSlot3)
|
|
{
|
|
eax_fail("Unsupported primary FX slot id.");
|
|
}
|
|
}
|
|
|
|
void ALCcontext::eax_validate_distance_factor(
|
|
float distance_factor)
|
|
{
|
|
eax_validate_range<ContextException>(
|
|
"Distance Factor",
|
|
distance_factor,
|
|
EAXCONTEXT_MINDISTANCEFACTOR,
|
|
EAXCONTEXT_MAXDISTANCEFACTOR);
|
|
}
|
|
|
|
void ALCcontext::eax_validate_air_absorption_hf(
|
|
float air_absorption_hf)
|
|
{
|
|
eax_validate_range<ContextException>(
|
|
"Air Absorption HF",
|
|
air_absorption_hf,
|
|
EAXCONTEXT_MINAIRABSORPTIONHF,
|
|
EAXCONTEXT_MAXAIRABSORPTIONHF);
|
|
}
|
|
|
|
void ALCcontext::eax_validate_hf_reference(
|
|
float hf_reference)
|
|
{
|
|
eax_validate_range<ContextException>(
|
|
"HF Reference",
|
|
hf_reference,
|
|
EAXCONTEXT_MINHFREFERENCE,
|
|
EAXCONTEXT_MAXHFREFERENCE);
|
|
}
|
|
|
|
void ALCcontext::eax_validate_speaker_config(
|
|
unsigned long speaker_config)
|
|
{
|
|
switch (speaker_config)
|
|
{
|
|
case HEADPHONES:
|
|
case SPEAKERS_2:
|
|
case SPEAKERS_4:
|
|
case SPEAKERS_5:
|
|
case SPEAKERS_6:
|
|
case SPEAKERS_7:
|
|
break;
|
|
|
|
default:
|
|
eax_fail("Unsupported speaker configuration.");
|
|
}
|
|
}
|
|
|
|
void ALCcontext::eax_validate_session_eax_version(
|
|
unsigned long eax_version)
|
|
{
|
|
switch (eax_version)
|
|
{
|
|
case EAX_40:
|
|
case EAX_50:
|
|
break;
|
|
|
|
default:
|
|
eax_fail("Unsupported session EAX version.");
|
|
}
|
|
}
|
|
|
|
void ALCcontext::eax_validate_session_max_active_sends(
|
|
unsigned long max_active_sends)
|
|
{
|
|
eax_validate_range<ContextException>(
|
|
"Max Active Sends",
|
|
max_active_sends,
|
|
EAXCONTEXT_MINMAXACTIVESENDS,
|
|
EAXCONTEXT_MAXMAXACTIVESENDS);
|
|
}
|
|
|
|
void ALCcontext::eax_validate_session(
|
|
const EAXSESSIONPROPERTIES& eax_session)
|
|
{
|
|
eax_validate_session_eax_version(eax_session.ulEAXVersion);
|
|
eax_validate_session_max_active_sends(eax_session.ulMaxActiveSends);
|
|
}
|
|
|
|
void ALCcontext::eax_validate_macro_fx_factor(
|
|
float macro_fx_factor)
|
|
{
|
|
eax_validate_range<ContextException>(
|
|
"Macro FX Factor",
|
|
macro_fx_factor,
|
|
EAXCONTEXT_MINMACROFXFACTOR,
|
|
EAXCONTEXT_MAXMACROFXFACTOR);
|
|
}
|
|
|
|
void ALCcontext::eax_validate_context_all(
|
|
const EAX40CONTEXTPROPERTIES& context_all)
|
|
{
|
|
eax_validate_primary_fx_slot_id(context_all.guidPrimaryFXSlotID);
|
|
eax_validate_distance_factor(context_all.flDistanceFactor);
|
|
eax_validate_air_absorption_hf(context_all.flAirAbsorptionHF);
|
|
eax_validate_hf_reference(context_all.flHFReference);
|
|
}
|
|
|
|
void ALCcontext::eax_validate_context_all(
|
|
const EAX50CONTEXTPROPERTIES& context_all)
|
|
{
|
|
eax_validate_context_all(static_cast<const EAX40CONTEXTPROPERTIES>(context_all));
|
|
eax_validate_macro_fx_factor(context_all.flMacroFXFactor);
|
|
}
|
|
|
|
void ALCcontext::eax_defer_primary_fx_slot_id(
|
|
const GUID& primary_fx_slot_id)
|
|
{
|
|
eax_d_.context.guidPrimaryFXSlotID = primary_fx_slot_id;
|
|
|
|
eax_context_dirty_flags_.guidPrimaryFXSlotID =
|
|
(eax_.context.guidPrimaryFXSlotID != eax_d_.context.guidPrimaryFXSlotID);
|
|
}
|
|
|
|
void ALCcontext::eax_defer_distance_factor(
|
|
float distance_factor)
|
|
{
|
|
eax_d_.context.flDistanceFactor = distance_factor;
|
|
|
|
eax_context_dirty_flags_.flDistanceFactor =
|
|
(eax_.context.flDistanceFactor != eax_d_.context.flDistanceFactor);
|
|
}
|
|
|
|
void ALCcontext::eax_defer_air_absorption_hf(
|
|
float air_absorption_hf)
|
|
{
|
|
eax_d_.context.flAirAbsorptionHF = air_absorption_hf;
|
|
|
|
eax_context_dirty_flags_.flAirAbsorptionHF =
|
|
(eax_.context.flAirAbsorptionHF != eax_d_.context.flAirAbsorptionHF);
|
|
}
|
|
|
|
void ALCcontext::eax_defer_hf_reference(
|
|
float hf_reference)
|
|
{
|
|
eax_d_.context.flHFReference = hf_reference;
|
|
|
|
eax_context_dirty_flags_.flHFReference =
|
|
(eax_.context.flHFReference != eax_d_.context.flHFReference);
|
|
}
|
|
|
|
void ALCcontext::eax_defer_macro_fx_factor(
|
|
float macro_fx_factor)
|
|
{
|
|
eax_d_.context.flMacroFXFactor = macro_fx_factor;
|
|
|
|
eax_context_dirty_flags_.flMacroFXFactor =
|
|
(eax_.context.flMacroFXFactor != eax_d_.context.flMacroFXFactor);
|
|
}
|
|
|
|
void ALCcontext::eax_defer_context_all(
|
|
const EAX40CONTEXTPROPERTIES& context_all)
|
|
{
|
|
eax_defer_primary_fx_slot_id(context_all.guidPrimaryFXSlotID);
|
|
eax_defer_distance_factor(context_all.flDistanceFactor);
|
|
eax_defer_air_absorption_hf(context_all.flAirAbsorptionHF);
|
|
eax_defer_hf_reference(context_all.flHFReference);
|
|
}
|
|
|
|
void ALCcontext::eax_defer_context_all(
|
|
const EAX50CONTEXTPROPERTIES& context_all)
|
|
{
|
|
eax_defer_context_all(static_cast<const EAX40CONTEXTPROPERTIES&>(context_all));
|
|
eax_defer_macro_fx_factor(context_all.flMacroFXFactor);
|
|
}
|
|
|
|
void ALCcontext::eax_defer_context_all(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
switch(eax_call.get_version())
|
|
{
|
|
case 4:
|
|
{
|
|
const auto& context_all =
|
|
eax_call.get_value<ContextException, EAX40CONTEXTPROPERTIES>();
|
|
|
|
eax_validate_context_all(context_all);
|
|
eax_defer_context_all(context_all);
|
|
}
|
|
break;
|
|
|
|
case 5:
|
|
{
|
|
const auto& context_all =
|
|
eax_call.get_value<ContextException, EAX50CONTEXTPROPERTIES>();
|
|
|
|
eax_validate_context_all(context_all);
|
|
eax_defer_context_all(context_all);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
eax_fail("Unsupported EAX version.");
|
|
}
|
|
}
|
|
|
|
void ALCcontext::eax_defer_primary_fx_slot_id(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
const auto& primary_fx_slot_id =
|
|
eax_call.get_value<ContextException, const decltype(EAX50CONTEXTPROPERTIES::guidPrimaryFXSlotID)>();
|
|
|
|
eax_validate_primary_fx_slot_id(primary_fx_slot_id);
|
|
eax_defer_primary_fx_slot_id(primary_fx_slot_id);
|
|
}
|
|
|
|
void ALCcontext::eax_defer_distance_factor(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
const auto& distance_factor =
|
|
eax_call.get_value<ContextException, const decltype(EAX50CONTEXTPROPERTIES::flDistanceFactor)>();
|
|
|
|
eax_validate_distance_factor(distance_factor);
|
|
eax_defer_distance_factor(distance_factor);
|
|
}
|
|
|
|
void ALCcontext::eax_defer_air_absorption_hf(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
const auto& air_absorption_hf =
|
|
eax_call.get_value<ContextException, const decltype(EAX50CONTEXTPROPERTIES::flAirAbsorptionHF)>();
|
|
|
|
eax_validate_air_absorption_hf(air_absorption_hf);
|
|
eax_defer_air_absorption_hf(air_absorption_hf);
|
|
}
|
|
|
|
void ALCcontext::eax_defer_hf_reference(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
const auto& hf_reference =
|
|
eax_call.get_value<ContextException, const decltype(EAX50CONTEXTPROPERTIES::flHFReference)>();
|
|
|
|
eax_validate_hf_reference(hf_reference);
|
|
eax_defer_hf_reference(hf_reference);
|
|
}
|
|
|
|
void ALCcontext::eax_set_session(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
const auto& eax_session =
|
|
eax_call.get_value<ContextException, const EAXSESSIONPROPERTIES>();
|
|
|
|
eax_validate_session(eax_session);
|
|
|
|
eax_session_ = eax_session;
|
|
}
|
|
|
|
void ALCcontext::eax_defer_macro_fx_factor(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
const auto& macro_fx_factor =
|
|
eax_call.get_value<ContextException, const decltype(EAX50CONTEXTPROPERTIES::flMacroFXFactor)>();
|
|
|
|
eax_validate_macro_fx_factor(macro_fx_factor);
|
|
eax_defer_macro_fx_factor(macro_fx_factor);
|
|
}
|
|
|
|
void ALCcontext::eax_set(
|
|
const EaxEaxCall& eax_call)
|
|
{
|
|
switch (eax_call.get_property_id())
|
|
{
|
|
case EAXCONTEXT_NONE:
|
|
break;
|
|
|
|
case EAXCONTEXT_ALLPARAMETERS:
|
|
eax_defer_context_all(eax_call);
|
|
break;
|
|
|
|
case EAXCONTEXT_PRIMARYFXSLOTID:
|
|
eax_defer_primary_fx_slot_id(eax_call);
|
|
break;
|
|
|
|
case EAXCONTEXT_DISTANCEFACTOR:
|
|
eax_defer_distance_factor(eax_call);
|
|
break;
|
|
|
|
case EAXCONTEXT_AIRABSORPTIONHF:
|
|
eax_defer_air_absorption_hf(eax_call);
|
|
break;
|
|
|
|
case EAXCONTEXT_HFREFERENCE:
|
|
eax_defer_hf_reference(eax_call);
|
|
break;
|
|
|
|
case EAXCONTEXT_LASTERROR:
|
|
eax_fail("Last error is read-only.");
|
|
|
|
case EAXCONTEXT_SPEAKERCONFIG:
|
|
eax_fail("Speaker configuration is read-only.");
|
|
|
|
case EAXCONTEXT_EAXSESSION:
|
|
eax_set_session(eax_call);
|
|
break;
|
|
|
|
case EAXCONTEXT_MACROFXFACTOR:
|
|
eax_defer_macro_fx_factor(eax_call);
|
|
break;
|
|
|
|
default:
|
|
eax_fail("Unsupported property id.");
|
|
}
|
|
}
|
|
|
|
void ALCcontext::eax_apply_deferred()
|
|
{
|
|
if (eax_context_dirty_flags_ == ContextDirtyFlags{})
|
|
{
|
|
return;
|
|
}
|
|
|
|
eax_ = eax_d_;
|
|
|
|
if (eax_context_dirty_flags_.guidPrimaryFXSlotID)
|
|
{
|
|
eax_context_shared_dirty_flags_.primary_fx_slot_id = true;
|
|
eax_set_primary_fx_slot_id();
|
|
}
|
|
|
|
if (eax_context_dirty_flags_.flDistanceFactor)
|
|
{
|
|
eax_set_distance_factor();
|
|
}
|
|
|
|
if (eax_context_dirty_flags_.flAirAbsorptionHF)
|
|
{
|
|
eax_set_air_absorbtion_hf();
|
|
}
|
|
|
|
if (eax_context_dirty_flags_.flHFReference)
|
|
{
|
|
eax_set_hf_reference();
|
|
}
|
|
|
|
if (eax_context_dirty_flags_.flMacroFXFactor)
|
|
{
|
|
eax_set_macro_fx_factor();
|
|
}
|
|
|
|
if (eax_context_shared_dirty_flags_ != EaxContextSharedDirtyFlags{})
|
|
{
|
|
eax_update_sources();
|
|
}
|
|
|
|
eax_context_shared_dirty_flags_ = EaxContextSharedDirtyFlags{};
|
|
eax_context_dirty_flags_ = ContextDirtyFlags{};
|
|
}
|
|
|
|
|
|
namespace
|
|
{
|
|
|
|
|
|
class EaxSetException :
|
|
public EaxException
|
|
{
|
|
public:
|
|
explicit EaxSetException(
|
|
const char* message)
|
|
:
|
|
EaxException{"EAX_SET", message}
|
|
{
|
|
}
|
|
}; // EaxSetException
|
|
|
|
|
|
[[noreturn]]
|
|
void eax_fail_set(
|
|
const char* message)
|
|
{
|
|
throw EaxSetException{message};
|
|
}
|
|
|
|
|
|
class EaxGetException :
|
|
public EaxException
|
|
{
|
|
public:
|
|
explicit EaxGetException(
|
|
const char* message)
|
|
:
|
|
EaxException{"EAX_GET", message}
|
|
{
|
|
}
|
|
}; // EaxGetException
|
|
|
|
|
|
[[noreturn]]
|
|
void eax_fail_get(
|
|
const char* message)
|
|
{
|
|
throw EaxGetException{message};
|
|
}
|
|
|
|
|
|
} // namespace
|
|
|
|
|
|
FORCE_ALIGN ALenum AL_APIENTRY EAXSet(
|
|
const GUID* property_set_id,
|
|
ALuint property_id,
|
|
ALuint property_source_id,
|
|
ALvoid* property_value,
|
|
ALuint property_value_size) noexcept
|
|
try
|
|
{
|
|
auto context = GetContextRef();
|
|
|
|
if (!context)
|
|
{
|
|
eax_fail_set("No current context.");
|
|
}
|
|
|
|
std::lock_guard<std::mutex> prop_lock{context->mPropLock};
|
|
|
|
return context->eax_eax_set(
|
|
property_set_id,
|
|
property_id,
|
|
property_source_id,
|
|
property_value,
|
|
property_value_size
|
|
);
|
|
}
|
|
catch (...)
|
|
{
|
|
eax_log_exception(__func__);
|
|
return AL_INVALID_OPERATION;
|
|
}
|
|
|
|
FORCE_ALIGN ALenum AL_APIENTRY EAXGet(
|
|
const GUID* property_set_id,
|
|
ALuint property_id,
|
|
ALuint property_source_id,
|
|
ALvoid* property_value,
|
|
ALuint property_value_size) noexcept
|
|
try
|
|
{
|
|
auto context = GetContextRef();
|
|
|
|
if (!context)
|
|
{
|
|
eax_fail_get("No current context.");
|
|
}
|
|
|
|
std::lock_guard<std::mutex> prop_lock{context->mPropLock};
|
|
|
|
return context->eax_eax_get(
|
|
property_set_id,
|
|
property_id,
|
|
property_source_id,
|
|
property_value,
|
|
property_value_size
|
|
);
|
|
}
|
|
catch (...)
|
|
{
|
|
eax_log_exception(__func__);
|
|
return AL_INVALID_OPERATION;
|
|
}
|
|
#endif // ALSOFT_EAX
|