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962 lines
25 KiB
962 lines
25 KiB
/**
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* OpenAL cross platform audio library
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* Copyright (C) 1999-2000 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 "version.h"
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#include <atomic>
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#include <cmath>
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#include <mutex>
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#include <stdexcept>
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#include <string>
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#include "AL/al.h"
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#include "AL/alc.h"
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#include "AL/alext.h"
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#include "alc/alu.h"
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#include "alc/context.h"
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#include "alc/inprogext.h"
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#include "alnumeric.h"
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#include "aloptional.h"
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#include "atomic.h"
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#include "core/context.h"
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#include "core/except.h"
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#include "core/mixer/defs.h"
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#include "core/voice.h"
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#include "intrusive_ptr.h"
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#include "opthelpers.h"
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#include "strutils.h"
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#ifdef ALSOFT_EAX
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#include "alc/device.h"
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#include "eax_globals.h"
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#include "eax_x_ram.h"
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#endif // ALSOFT_EAX
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namespace {
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constexpr ALchar alVendor[] = "OpenAL Community";
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constexpr ALchar alVersion[] = "1.1 ALSOFT " ALSOFT_VERSION;
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constexpr ALchar alRenderer[] = "OpenAL Soft";
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// Error Messages
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constexpr ALchar alNoError[] = "No Error";
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constexpr ALchar alErrInvalidName[] = "Invalid Name";
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constexpr ALchar alErrInvalidEnum[] = "Invalid Enum";
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constexpr ALchar alErrInvalidValue[] = "Invalid Value";
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constexpr ALchar alErrInvalidOp[] = "Invalid Operation";
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constexpr ALchar alErrOutOfMemory[] = "Out of Memory";
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/* Resampler strings */
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template<Resampler rtype> struct ResamplerName { };
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template<> struct ResamplerName<Resampler::Point>
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{ static constexpr const ALchar *Get() noexcept { return "Nearest"; } };
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template<> struct ResamplerName<Resampler::Linear>
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{ static constexpr const ALchar *Get() noexcept { return "Linear"; } };
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template<> struct ResamplerName<Resampler::Cubic>
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{ static constexpr const ALchar *Get() noexcept { return "Cubic"; } };
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template<> struct ResamplerName<Resampler::FastBSinc12>
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{ static constexpr const ALchar *Get() noexcept { return "11th order Sinc (fast)"; } };
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template<> struct ResamplerName<Resampler::BSinc12>
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{ static constexpr const ALchar *Get() noexcept { return "11th order Sinc"; } };
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template<> struct ResamplerName<Resampler::FastBSinc24>
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{ static constexpr const ALchar *Get() noexcept { return "23rd order Sinc (fast)"; } };
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template<> struct ResamplerName<Resampler::BSinc24>
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{ static constexpr const ALchar *Get() noexcept { return "23rd order Sinc"; } };
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const ALchar *GetResamplerName(const Resampler rtype)
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{
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#define HANDLE_RESAMPLER(r) case r: return ResamplerName<r>::Get()
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switch(rtype)
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{
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HANDLE_RESAMPLER(Resampler::Point);
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HANDLE_RESAMPLER(Resampler::Linear);
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HANDLE_RESAMPLER(Resampler::Cubic);
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HANDLE_RESAMPLER(Resampler::FastBSinc12);
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HANDLE_RESAMPLER(Resampler::BSinc12);
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HANDLE_RESAMPLER(Resampler::FastBSinc24);
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HANDLE_RESAMPLER(Resampler::BSinc24);
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}
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#undef HANDLE_RESAMPLER
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/* Should never get here. */
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throw std::runtime_error{"Unexpected resampler index"};
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}
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al::optional<DistanceModel> DistanceModelFromALenum(ALenum model)
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{
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switch(model)
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{
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case AL_NONE: return al::make_optional(DistanceModel::Disable);
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case AL_INVERSE_DISTANCE: return al::make_optional(DistanceModel::Inverse);
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case AL_INVERSE_DISTANCE_CLAMPED: return al::make_optional(DistanceModel::InverseClamped);
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case AL_LINEAR_DISTANCE: return al::make_optional(DistanceModel::Linear);
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case AL_LINEAR_DISTANCE_CLAMPED: return al::make_optional(DistanceModel::LinearClamped);
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case AL_EXPONENT_DISTANCE: return al::make_optional(DistanceModel::Exponent);
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case AL_EXPONENT_DISTANCE_CLAMPED: return al::make_optional(DistanceModel::ExponentClamped);
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}
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return al::nullopt;
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}
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ALenum ALenumFromDistanceModel(DistanceModel model)
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{
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switch(model)
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{
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case DistanceModel::Disable: return AL_NONE;
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case DistanceModel::Inverse: return AL_INVERSE_DISTANCE;
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case DistanceModel::InverseClamped: return AL_INVERSE_DISTANCE_CLAMPED;
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case DistanceModel::Linear: return AL_LINEAR_DISTANCE;
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case DistanceModel::LinearClamped: return AL_LINEAR_DISTANCE_CLAMPED;
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case DistanceModel::Exponent: return AL_EXPONENT_DISTANCE;
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case DistanceModel::ExponentClamped: return AL_EXPONENT_DISTANCE_CLAMPED;
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}
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throw std::runtime_error{"Unexpected distance model "+std::to_string(static_cast<int>(model))};
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}
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} // namespace
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/* WARNING: Non-standard export! Not part of any extension, or exposed in the
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* alcFunctions list.
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*/
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AL_API const ALchar* AL_APIENTRY alsoft_get_version(void)
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START_API_FUNC
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{
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static const auto spoof = al::getenv("ALSOFT_SPOOF_VERSION");
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if(spoof) return spoof->c_str();
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return ALSOFT_VERSION;
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}
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END_API_FUNC
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#define DO_UPDATEPROPS() do { \
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if(!context->mDeferUpdates) \
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UpdateContextProps(context.get()); \
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else \
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context->mPropsDirty = true; \
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} while(0)
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AL_API void AL_APIENTRY alEnable(ALenum capability)
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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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switch(capability)
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{
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case AL_SOURCE_DISTANCE_MODEL:
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{
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std::lock_guard<std::mutex> _{context->mPropLock};
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context->mSourceDistanceModel = true;
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DO_UPDATEPROPS();
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}
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break;
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case AL_STOP_SOURCES_ON_DISCONNECT_SOFT:
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context->setError(AL_INVALID_OPERATION, "Re-enabling AL_STOP_SOURCES_ON_DISCONNECT_SOFT not yet supported");
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break;
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default:
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context->setError(AL_INVALID_VALUE, "Invalid enable property 0x%04x", capability);
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}
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}
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END_API_FUNC
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AL_API void AL_APIENTRY alDisable(ALenum capability)
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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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switch(capability)
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{
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case AL_SOURCE_DISTANCE_MODEL:
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{
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std::lock_guard<std::mutex> _{context->mPropLock};
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context->mSourceDistanceModel = false;
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DO_UPDATEPROPS();
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}
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break;
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case AL_STOP_SOURCES_ON_DISCONNECT_SOFT:
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context->mStopVoicesOnDisconnect = false;
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break;
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default:
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context->setError(AL_INVALID_VALUE, "Invalid disable property 0x%04x", capability);
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}
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}
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END_API_FUNC
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AL_API ALboolean AL_APIENTRY alIsEnabled(ALenum capability)
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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 AL_FALSE;
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std::lock_guard<std::mutex> _{context->mPropLock};
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ALboolean value{AL_FALSE};
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switch(capability)
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{
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case AL_SOURCE_DISTANCE_MODEL:
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value = context->mSourceDistanceModel ? AL_TRUE : AL_FALSE;
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break;
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case AL_STOP_SOURCES_ON_DISCONNECT_SOFT:
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value = context->mStopVoicesOnDisconnect ? AL_TRUE : AL_FALSE;
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break;
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default:
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context->setError(AL_INVALID_VALUE, "Invalid is enabled property 0x%04x", capability);
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}
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return value;
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}
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END_API_FUNC
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AL_API ALboolean AL_APIENTRY alGetBoolean(ALenum pname)
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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 AL_FALSE;
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std::lock_guard<std::mutex> _{context->mPropLock};
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ALboolean value{AL_FALSE};
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switch(pname)
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{
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case AL_DOPPLER_FACTOR:
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if(context->mDopplerFactor != 0.0f)
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value = AL_TRUE;
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break;
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case AL_DOPPLER_VELOCITY:
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if(context->mDopplerVelocity != 0.0f)
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value = AL_TRUE;
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break;
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case AL_DISTANCE_MODEL:
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if(context->mDistanceModel == DistanceModel::Default)
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value = AL_TRUE;
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break;
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case AL_SPEED_OF_SOUND:
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if(context->mSpeedOfSound != 0.0f)
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value = AL_TRUE;
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break;
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case AL_DEFERRED_UPDATES_SOFT:
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if(context->mDeferUpdates)
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value = AL_TRUE;
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break;
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case AL_GAIN_LIMIT_SOFT:
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if(GainMixMax/context->mGainBoost != 0.0f)
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value = AL_TRUE;
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break;
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case AL_NUM_RESAMPLERS_SOFT:
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/* Always non-0. */
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value = AL_TRUE;
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break;
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case AL_DEFAULT_RESAMPLER_SOFT:
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value = static_cast<int>(ResamplerDefault) ? AL_TRUE : AL_FALSE;
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break;
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default:
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context->setError(AL_INVALID_VALUE, "Invalid boolean property 0x%04x", pname);
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}
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return value;
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}
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END_API_FUNC
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AL_API ALdouble AL_APIENTRY alGetDouble(ALenum pname)
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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 0.0;
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std::lock_guard<std::mutex> _{context->mPropLock};
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ALdouble value{0.0};
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switch(pname)
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{
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case AL_DOPPLER_FACTOR:
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value = context->mDopplerFactor;
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break;
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case AL_DOPPLER_VELOCITY:
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value = context->mDopplerVelocity;
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break;
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case AL_DISTANCE_MODEL:
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value = static_cast<ALdouble>(ALenumFromDistanceModel(context->mDistanceModel));
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break;
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case AL_SPEED_OF_SOUND:
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value = context->mSpeedOfSound;
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break;
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case AL_DEFERRED_UPDATES_SOFT:
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if(context->mDeferUpdates)
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value = static_cast<ALdouble>(AL_TRUE);
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break;
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case AL_GAIN_LIMIT_SOFT:
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value = ALdouble{GainMixMax}/context->mGainBoost;
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break;
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case AL_NUM_RESAMPLERS_SOFT:
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value = static_cast<ALdouble>(Resampler::Max) + 1.0;
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break;
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case AL_DEFAULT_RESAMPLER_SOFT:
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value = static_cast<ALdouble>(ResamplerDefault);
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break;
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default:
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context->setError(AL_INVALID_VALUE, "Invalid double property 0x%04x", pname);
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}
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return value;
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}
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END_API_FUNC
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AL_API ALfloat AL_APIENTRY alGetFloat(ALenum pname)
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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 0.0f;
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std::lock_guard<std::mutex> _{context->mPropLock};
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ALfloat value{0.0f};
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switch(pname)
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{
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case AL_DOPPLER_FACTOR:
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value = context->mDopplerFactor;
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break;
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case AL_DOPPLER_VELOCITY:
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value = context->mDopplerVelocity;
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break;
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case AL_DISTANCE_MODEL:
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value = static_cast<ALfloat>(ALenumFromDistanceModel(context->mDistanceModel));
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break;
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case AL_SPEED_OF_SOUND:
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value = context->mSpeedOfSound;
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break;
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case AL_DEFERRED_UPDATES_SOFT:
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if(context->mDeferUpdates)
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value = static_cast<ALfloat>(AL_TRUE);
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break;
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case AL_GAIN_LIMIT_SOFT:
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value = GainMixMax/context->mGainBoost;
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break;
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case AL_NUM_RESAMPLERS_SOFT:
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value = static_cast<ALfloat>(Resampler::Max) + 1.0f;
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break;
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case AL_DEFAULT_RESAMPLER_SOFT:
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value = static_cast<ALfloat>(ResamplerDefault);
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break;
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default:
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context->setError(AL_INVALID_VALUE, "Invalid float property 0x%04x", pname);
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}
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return value;
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}
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END_API_FUNC
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AL_API ALint AL_APIENTRY alGetInteger(ALenum pname)
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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 0;
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std::lock_guard<std::mutex> _{context->mPropLock};
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ALint value{0};
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switch(pname)
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{
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case AL_DOPPLER_FACTOR:
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value = static_cast<ALint>(context->mDopplerFactor);
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break;
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case AL_DOPPLER_VELOCITY:
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value = static_cast<ALint>(context->mDopplerVelocity);
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break;
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case AL_DISTANCE_MODEL:
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value = ALenumFromDistanceModel(context->mDistanceModel);
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break;
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case AL_SPEED_OF_SOUND:
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value = static_cast<ALint>(context->mSpeedOfSound);
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break;
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case AL_DEFERRED_UPDATES_SOFT:
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if(context->mDeferUpdates)
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value = AL_TRUE;
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break;
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case AL_GAIN_LIMIT_SOFT:
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value = static_cast<ALint>(GainMixMax/context->mGainBoost);
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break;
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|
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case AL_NUM_RESAMPLERS_SOFT:
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value = static_cast<int>(Resampler::Max) + 1;
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break;
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case AL_DEFAULT_RESAMPLER_SOFT:
|
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value = static_cast<int>(ResamplerDefault);
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break;
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|
|
#ifdef ALSOFT_EAX
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|
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#define EAX_ERROR "[alGetInteger] EAX not enabled."
|
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|
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case AL_EAX_RAM_SIZE:
|
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if (eax_g_is_enabled)
|
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{
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value = eax_x_ram_max_size;
|
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}
|
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else
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{
|
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context->setError(AL_INVALID_VALUE, EAX_ERROR);
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}
|
|
|
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break;
|
|
|
|
case AL_EAX_RAM_FREE:
|
|
if (eax_g_is_enabled)
|
|
{
|
|
auto device = context->mALDevice.get();
|
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std::lock_guard<std::mutex> device_lock{device->BufferLock};
|
|
|
|
value = static_cast<ALint>(device->eax_x_ram_free_size);
|
|
}
|
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else
|
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{
|
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context->setError(AL_INVALID_VALUE, EAX_ERROR);
|
|
}
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|
|
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break;
|
|
|
|
#undef EAX_ERROR
|
|
|
|
#endif // ALSOFT_EAX
|
|
|
|
default:
|
|
context->setError(AL_INVALID_VALUE, "Invalid integer property 0x%04x", pname);
|
|
}
|
|
|
|
return value;
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API ALint64SOFT AL_APIENTRY alGetInteger64SOFT(ALenum pname)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return 0_i64;
|
|
|
|
std::lock_guard<std::mutex> _{context->mPropLock};
|
|
ALint64SOFT value{0};
|
|
switch(pname)
|
|
{
|
|
case AL_DOPPLER_FACTOR:
|
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value = static_cast<ALint64SOFT>(context->mDopplerFactor);
|
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break;
|
|
|
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case AL_DOPPLER_VELOCITY:
|
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value = static_cast<ALint64SOFT>(context->mDopplerVelocity);
|
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break;
|
|
|
|
case AL_DISTANCE_MODEL:
|
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value = ALenumFromDistanceModel(context->mDistanceModel);
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break;
|
|
|
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case AL_SPEED_OF_SOUND:
|
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value = static_cast<ALint64SOFT>(context->mSpeedOfSound);
|
|
break;
|
|
|
|
case AL_DEFERRED_UPDATES_SOFT:
|
|
if(context->mDeferUpdates)
|
|
value = AL_TRUE;
|
|
break;
|
|
|
|
case AL_GAIN_LIMIT_SOFT:
|
|
value = static_cast<ALint64SOFT>(GainMixMax/context->mGainBoost);
|
|
break;
|
|
|
|
case AL_NUM_RESAMPLERS_SOFT:
|
|
value = static_cast<ALint64SOFT>(Resampler::Max) + 1;
|
|
break;
|
|
|
|
case AL_DEFAULT_RESAMPLER_SOFT:
|
|
value = static_cast<ALint64SOFT>(ResamplerDefault);
|
|
break;
|
|
|
|
default:
|
|
context->setError(AL_INVALID_VALUE, "Invalid integer64 property 0x%04x", pname);
|
|
}
|
|
|
|
return value;
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|
}
|
|
END_API_FUNC
|
|
|
|
AL_API ALvoid* AL_APIENTRY alGetPointerSOFT(ALenum pname)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return nullptr;
|
|
|
|
std::lock_guard<std::mutex> _{context->mPropLock};
|
|
void *value{nullptr};
|
|
switch(pname)
|
|
{
|
|
case AL_EVENT_CALLBACK_FUNCTION_SOFT:
|
|
value = reinterpret_cast<void*>(context->mEventCb);
|
|
break;
|
|
|
|
case AL_EVENT_CALLBACK_USER_PARAM_SOFT:
|
|
value = context->mEventParam;
|
|
break;
|
|
|
|
default:
|
|
context->setError(AL_INVALID_VALUE, "Invalid pointer property 0x%04x", pname);
|
|
}
|
|
|
|
return value;
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alGetBooleanv(ALenum pname, ALboolean *values)
|
|
START_API_FUNC
|
|
{
|
|
if(values)
|
|
{
|
|
switch(pname)
|
|
{
|
|
case AL_DOPPLER_FACTOR:
|
|
case AL_DOPPLER_VELOCITY:
|
|
case AL_DISTANCE_MODEL:
|
|
case AL_SPEED_OF_SOUND:
|
|
case AL_DEFERRED_UPDATES_SOFT:
|
|
case AL_GAIN_LIMIT_SOFT:
|
|
case AL_NUM_RESAMPLERS_SOFT:
|
|
case AL_DEFAULT_RESAMPLER_SOFT:
|
|
values[0] = alGetBoolean(pname);
|
|
return;
|
|
}
|
|
}
|
|
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
if(!values)
|
|
context->setError(AL_INVALID_VALUE, "NULL pointer");
|
|
else switch(pname)
|
|
{
|
|
default:
|
|
context->setError(AL_INVALID_VALUE, "Invalid boolean-vector property 0x%04x", pname);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alGetDoublev(ALenum pname, ALdouble *values)
|
|
START_API_FUNC
|
|
{
|
|
if(values)
|
|
{
|
|
switch(pname)
|
|
{
|
|
case AL_DOPPLER_FACTOR:
|
|
case AL_DOPPLER_VELOCITY:
|
|
case AL_DISTANCE_MODEL:
|
|
case AL_SPEED_OF_SOUND:
|
|
case AL_DEFERRED_UPDATES_SOFT:
|
|
case AL_GAIN_LIMIT_SOFT:
|
|
case AL_NUM_RESAMPLERS_SOFT:
|
|
case AL_DEFAULT_RESAMPLER_SOFT:
|
|
values[0] = alGetDouble(pname);
|
|
return;
|
|
}
|
|
}
|
|
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
if(!values)
|
|
context->setError(AL_INVALID_VALUE, "NULL pointer");
|
|
else switch(pname)
|
|
{
|
|
default:
|
|
context->setError(AL_INVALID_VALUE, "Invalid double-vector property 0x%04x", pname);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alGetFloatv(ALenum pname, ALfloat *values)
|
|
START_API_FUNC
|
|
{
|
|
if(values)
|
|
{
|
|
switch(pname)
|
|
{
|
|
case AL_DOPPLER_FACTOR:
|
|
case AL_DOPPLER_VELOCITY:
|
|
case AL_DISTANCE_MODEL:
|
|
case AL_SPEED_OF_SOUND:
|
|
case AL_DEFERRED_UPDATES_SOFT:
|
|
case AL_GAIN_LIMIT_SOFT:
|
|
case AL_NUM_RESAMPLERS_SOFT:
|
|
case AL_DEFAULT_RESAMPLER_SOFT:
|
|
values[0] = alGetFloat(pname);
|
|
return;
|
|
}
|
|
}
|
|
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
if(!values)
|
|
context->setError(AL_INVALID_VALUE, "NULL pointer");
|
|
else switch(pname)
|
|
{
|
|
default:
|
|
context->setError(AL_INVALID_VALUE, "Invalid float-vector property 0x%04x", pname);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alGetIntegerv(ALenum pname, ALint *values)
|
|
START_API_FUNC
|
|
{
|
|
if(values)
|
|
{
|
|
switch(pname)
|
|
{
|
|
case AL_DOPPLER_FACTOR:
|
|
case AL_DOPPLER_VELOCITY:
|
|
case AL_DISTANCE_MODEL:
|
|
case AL_SPEED_OF_SOUND:
|
|
case AL_DEFERRED_UPDATES_SOFT:
|
|
case AL_GAIN_LIMIT_SOFT:
|
|
case AL_NUM_RESAMPLERS_SOFT:
|
|
case AL_DEFAULT_RESAMPLER_SOFT:
|
|
values[0] = alGetInteger(pname);
|
|
return;
|
|
}
|
|
}
|
|
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
if(!values)
|
|
context->setError(AL_INVALID_VALUE, "NULL pointer");
|
|
else switch(pname)
|
|
{
|
|
default:
|
|
context->setError(AL_INVALID_VALUE, "Invalid integer-vector property 0x%04x", pname);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alGetInteger64vSOFT(ALenum pname, ALint64SOFT *values)
|
|
START_API_FUNC
|
|
{
|
|
if(values)
|
|
{
|
|
switch(pname)
|
|
{
|
|
case AL_DOPPLER_FACTOR:
|
|
case AL_DOPPLER_VELOCITY:
|
|
case AL_DISTANCE_MODEL:
|
|
case AL_SPEED_OF_SOUND:
|
|
case AL_DEFERRED_UPDATES_SOFT:
|
|
case AL_GAIN_LIMIT_SOFT:
|
|
case AL_NUM_RESAMPLERS_SOFT:
|
|
case AL_DEFAULT_RESAMPLER_SOFT:
|
|
values[0] = alGetInteger64SOFT(pname);
|
|
return;
|
|
}
|
|
}
|
|
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
if(!values)
|
|
context->setError(AL_INVALID_VALUE, "NULL pointer");
|
|
else switch(pname)
|
|
{
|
|
default:
|
|
context->setError(AL_INVALID_VALUE, "Invalid integer64-vector property 0x%04x", pname);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alGetPointervSOFT(ALenum pname, ALvoid **values)
|
|
START_API_FUNC
|
|
{
|
|
if(values)
|
|
{
|
|
switch(pname)
|
|
{
|
|
case AL_EVENT_CALLBACK_FUNCTION_SOFT:
|
|
case AL_EVENT_CALLBACK_USER_PARAM_SOFT:
|
|
values[0] = alGetPointerSOFT(pname);
|
|
return;
|
|
}
|
|
}
|
|
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
if(!values)
|
|
context->setError(AL_INVALID_VALUE, "NULL pointer");
|
|
else switch(pname)
|
|
{
|
|
default:
|
|
context->setError(AL_INVALID_VALUE, "Invalid pointer-vector property 0x%04x", pname);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API const ALchar* AL_APIENTRY alGetString(ALenum pname)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return nullptr;
|
|
|
|
const ALchar *value{nullptr};
|
|
switch(pname)
|
|
{
|
|
case AL_VENDOR:
|
|
value = alVendor;
|
|
break;
|
|
|
|
case AL_VERSION:
|
|
value = alVersion;
|
|
break;
|
|
|
|
case AL_RENDERER:
|
|
value = alRenderer;
|
|
break;
|
|
|
|
case AL_EXTENSIONS:
|
|
value = context->mExtensionList;
|
|
break;
|
|
|
|
case AL_NO_ERROR:
|
|
value = alNoError;
|
|
break;
|
|
|
|
case AL_INVALID_NAME:
|
|
value = alErrInvalidName;
|
|
break;
|
|
|
|
case AL_INVALID_ENUM:
|
|
value = alErrInvalidEnum;
|
|
break;
|
|
|
|
case AL_INVALID_VALUE:
|
|
value = alErrInvalidValue;
|
|
break;
|
|
|
|
case AL_INVALID_OPERATION:
|
|
value = alErrInvalidOp;
|
|
break;
|
|
|
|
case AL_OUT_OF_MEMORY:
|
|
value = alErrOutOfMemory;
|
|
break;
|
|
|
|
default:
|
|
context->setError(AL_INVALID_VALUE, "Invalid string property 0x%04x", pname);
|
|
}
|
|
return value;
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alDopplerFactor(ALfloat value)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
if(!(value >= 0.0f && std::isfinite(value)))
|
|
context->setError(AL_INVALID_VALUE, "Doppler factor %f out of range", value);
|
|
else
|
|
{
|
|
std::lock_guard<std::mutex> _{context->mPropLock};
|
|
context->mDopplerFactor = value;
|
|
DO_UPDATEPROPS();
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alDopplerVelocity(ALfloat value)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
if(!(value >= 0.0f && std::isfinite(value)))
|
|
context->setError(AL_INVALID_VALUE, "Doppler velocity %f out of range", value);
|
|
else
|
|
{
|
|
std::lock_guard<std::mutex> _{context->mPropLock};
|
|
context->mDopplerVelocity = value;
|
|
DO_UPDATEPROPS();
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alSpeedOfSound(ALfloat value)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
if(!(value > 0.0f && std::isfinite(value)))
|
|
context->setError(AL_INVALID_VALUE, "Speed of sound %f out of range", value);
|
|
else
|
|
{
|
|
std::lock_guard<std::mutex> _{context->mPropLock};
|
|
context->mSpeedOfSound = value;
|
|
DO_UPDATEPROPS();
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alDistanceModel(ALenum value)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
if(auto model = DistanceModelFromALenum(value))
|
|
{
|
|
std::lock_guard<std::mutex> _{context->mPropLock};
|
|
context->mDistanceModel = *model;
|
|
if(!context->mSourceDistanceModel)
|
|
DO_UPDATEPROPS();
|
|
}
|
|
else
|
|
context->setError(AL_INVALID_VALUE, "Distance model 0x%04x out of range", value);
|
|
}
|
|
END_API_FUNC
|
|
|
|
|
|
AL_API void AL_APIENTRY alDeferUpdatesSOFT(void)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
std::lock_guard<std::mutex> _{context->mPropLock};
|
|
context->deferUpdates();
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API void AL_APIENTRY alProcessUpdatesSOFT(void)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return;
|
|
|
|
std::lock_guard<std::mutex> _{context->mPropLock};
|
|
context->processUpdates();
|
|
}
|
|
END_API_FUNC
|
|
|
|
|
|
AL_API const ALchar* AL_APIENTRY alGetStringiSOFT(ALenum pname, ALsizei index)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if UNLIKELY(!context) return nullptr;
|
|
|
|
const ALchar *value{nullptr};
|
|
switch(pname)
|
|
{
|
|
case AL_RESAMPLER_NAME_SOFT:
|
|
if(index < 0 || index > static_cast<ALint>(Resampler::Max))
|
|
context->setError(AL_INVALID_VALUE, "Resampler name index %d out of range", index);
|
|
else
|
|
value = GetResamplerName(static_cast<Resampler>(index));
|
|
break;
|
|
|
|
default:
|
|
context->setError(AL_INVALID_VALUE, "Invalid string indexed property");
|
|
}
|
|
return value;
|
|
}
|
|
END_API_FUNC
|
|
|
|
|
|
void UpdateContextProps(ALCcontext *context)
|
|
{
|
|
/* Get an unused proprty container, or allocate a new one as needed. */
|
|
ContextProps *props{context->mFreeContextProps.load(std::memory_order_acquire)};
|
|
if(!props)
|
|
props = new ContextProps{};
|
|
else
|
|
{
|
|
ContextProps *next;
|
|
do {
|
|
next = props->next.load(std::memory_order_relaxed);
|
|
} while(context->mFreeContextProps.compare_exchange_weak(props, next,
|
|
std::memory_order_seq_cst, std::memory_order_acquire) == 0);
|
|
}
|
|
|
|
/* Copy in current property values. */
|
|
ALlistener &listener = context->mListener;
|
|
props->Position = listener.Position;
|
|
props->Velocity = listener.Velocity;
|
|
props->OrientAt = listener.OrientAt;
|
|
props->OrientUp = listener.OrientUp;
|
|
props->Gain = listener.Gain;
|
|
props->MetersPerUnit = listener.mMetersPerUnit;
|
|
|
|
props->DopplerFactor = context->mDopplerFactor;
|
|
props->DopplerVelocity = context->mDopplerVelocity;
|
|
props->SpeedOfSound = context->mSpeedOfSound;
|
|
|
|
props->SourceDistanceModel = context->mSourceDistanceModel;
|
|
props->mDistanceModel = context->mDistanceModel;
|
|
|
|
/* Set the new container for updating internal parameters. */
|
|
props = context->mParams.ContextUpdate.exchange(props, std::memory_order_acq_rel);
|
|
if(props)
|
|
{
|
|
/* If there was an unused update container, put it back in the
|
|
* freelist.
|
|
*/
|
|
AtomicReplaceHead(context->mFreeContextProps, props);
|
|
}
|
|
}
|