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Torque3D/Engine/lib/openal-soft/al/buffer.cpp

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include "buffer.h"
#include <algorithm>
#include <array>
#include <atomic>
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <cstring>
#include <iterator>
#include <limits>
#include <memory>
#include <mutex>
#include <numeric>
#include <optional>
#include <stdexcept>
#include <unordered_map>
#include <utility>
#include <vector>
#include "AL/al.h"
#include "AL/alc.h"
#include "AL/alext.h"
#include "albit.h"
#include "alc/context.h"
#include "alc/device.h"
#include "alc/inprogext.h"
#include "almalloc.h"
#include "alnumeric.h"
#include "alspan.h"
#include "core/device.h"
#include "core/except.h"
#include "core/logging.h"
#include "core/resampler_limits.h"
#include "core/voice.h"
#include "direct_defs.h"
#include "intrusive_ptr.h"
#include "opthelpers.h"
#if ALSOFT_EAX
#include <unordered_set>
#include "eax/globals.h"
#include "eax/x_ram.h"
#endif // ALSOFT_EAX
namespace {
using SubListAllocator = al::allocator<std::array<ALbuffer,64>>;
constexpr auto AmbiLayoutFromEnum(ALenum layout) noexcept -> std::optional<AmbiLayout>
{
switch(layout)
{
case AL_FUMA_SOFT: return AmbiLayout::FuMa;
case AL_ACN_SOFT: return AmbiLayout::ACN;
}
return std::nullopt;
}
constexpr auto EnumFromAmbiLayout(AmbiLayout layout) -> ALenum
{
switch(layout)
{
case AmbiLayout::FuMa: return AL_FUMA_SOFT;
case AmbiLayout::ACN: return AL_ACN_SOFT;
}
throw std::runtime_error{fmt::format("Invalid AmbiLayout: {}",
int{al::to_underlying(layout)})};
}
constexpr auto AmbiScalingFromEnum(ALenum scale) noexcept -> std::optional<AmbiScaling>
{
switch(scale)
{
case AL_FUMA_SOFT: return AmbiScaling::FuMa;
case AL_SN3D_SOFT: return AmbiScaling::SN3D;
case AL_N3D_SOFT: return AmbiScaling::N3D;
}
return std::nullopt;
}
constexpr auto EnumFromAmbiScaling(AmbiScaling scale) -> ALenum
{
switch(scale)
{
case AmbiScaling::FuMa: return AL_FUMA_SOFT;
case AmbiScaling::SN3D: return AL_SN3D_SOFT;
case AmbiScaling::N3D: return AL_N3D_SOFT;
case AmbiScaling::UHJ: break;
}
throw std::runtime_error{fmt::format("Invalid AmbiScaling: {}",
int{al::to_underlying(scale)})};
}
#if ALSOFT_EAX
constexpr auto EaxStorageFromEnum(ALenum scale) noexcept -> std::optional<EaxStorage>
{
switch(scale)
{
case AL_STORAGE_AUTOMATIC: return EaxStorage::Automatic;
case AL_STORAGE_ACCESSIBLE: return EaxStorage::Accessible;
case AL_STORAGE_HARDWARE: return EaxStorage::Hardware;
}
return std::nullopt;
}
constexpr auto EnumFromEaxStorage(EaxStorage storage) -> ALenum
{
switch(storage)
{
case EaxStorage::Automatic: return AL_STORAGE_AUTOMATIC;
case EaxStorage::Accessible: return AL_STORAGE_ACCESSIBLE;
case EaxStorage::Hardware: return AL_STORAGE_HARDWARE;
}
throw std::runtime_error{fmt::format("Invalid EaxStorage: {}",
int{al::to_underlying(storage)})};
}
auto eax_x_ram_check_availability(const al::Device &device, const ALbuffer &buffer,
const ALuint newsize) noexcept -> bool
{
ALuint freemem{device.eax_x_ram_free_size};
/* If the buffer is currently in "hardware", add its memory to the free
* pool since it'll be "replaced".
*/
if(buffer.eax_x_ram_is_hardware)
freemem += buffer.OriginalSize;
return freemem >= newsize;
}
void eax_x_ram_apply(al::Device &device, ALbuffer &buffer) noexcept
{
if(buffer.eax_x_ram_is_hardware)
return;
if(device.eax_x_ram_free_size >= buffer.OriginalSize)
{
device.eax_x_ram_free_size -= buffer.OriginalSize;
buffer.eax_x_ram_is_hardware = true;
}
}
void eax_x_ram_clear(al::Device& al_device, ALbuffer& al_buffer) noexcept
{
if(al_buffer.eax_x_ram_is_hardware)
al_device.eax_x_ram_free_size += al_buffer.OriginalSize;
al_buffer.eax_x_ram_is_hardware = false;
}
#endif // ALSOFT_EAX
constexpr ALbitfieldSOFT INVALID_STORAGE_MASK{~unsigned(AL_MAP_READ_BIT_SOFT |
AL_MAP_WRITE_BIT_SOFT | AL_MAP_PERSISTENT_BIT_SOFT | AL_PRESERVE_DATA_BIT_SOFT)};
constexpr ALbitfieldSOFT MAP_READ_WRITE_FLAGS{AL_MAP_READ_BIT_SOFT | AL_MAP_WRITE_BIT_SOFT};
constexpr ALbitfieldSOFT INVALID_MAP_FLAGS{~unsigned(AL_MAP_READ_BIT_SOFT | AL_MAP_WRITE_BIT_SOFT |
AL_MAP_PERSISTENT_BIT_SOFT)};
[[nodiscard]]
auto EnsureBuffers(al::Device *device, size_t needed) noexcept -> bool
try {
size_t count{std::accumulate(device->BufferList.cbegin(), device->BufferList.cend(), 0_uz,
[](size_t cur, const BufferSubList &sublist) noexcept -> size_t
{ return cur + static_cast<ALuint>(al::popcount(sublist.FreeMask)); })};
while(needed > count)
{
if(device->BufferList.size() >= 1<<25) UNLIKELY
return false;
BufferSubList sublist{};
sublist.FreeMask = ~0_u64;
sublist.Buffers = SubListAllocator{}.allocate(1);
device->BufferList.emplace_back(std::move(sublist));
count += std::tuple_size_v<SubListAllocator::value_type>;
}
return true;
}
catch(...) {
return false;
}
[[nodiscard]]
auto AllocBuffer(al::Device *device) noexcept -> ALbuffer*
{
auto sublist = std::find_if(device->BufferList.begin(), device->BufferList.end(),
[](const BufferSubList &entry) noexcept -> bool
{ return entry.FreeMask != 0; });
auto lidx = static_cast<ALuint>(std::distance(device->BufferList.begin(), sublist));
auto slidx = static_cast<ALuint>(al::countr_zero(sublist->FreeMask));
ASSUME(slidx < 64);
ALbuffer *buffer{al::construct_at(al::to_address(sublist->Buffers->begin() + slidx))};
/* Add 1 to avoid buffer ID 0. */
buffer->id = ((lidx<<6) | slidx) + 1;
sublist->FreeMask &= ~(1_u64 << slidx);
return buffer;
}
void FreeBuffer(al::Device *device, ALbuffer *buffer)
{
#if ALSOFT_EAX
eax_x_ram_clear(*device, *buffer);
#endif // ALSOFT_EAX
device->mBufferNames.erase(buffer->id);
const ALuint id{buffer->id - 1};
const size_t lidx{id >> 6};
const ALuint slidx{id & 0x3f};
std::destroy_at(buffer);
device->BufferList[lidx].FreeMask |= 1_u64 << slidx;
}
[[nodiscard]]
auto LookupBuffer(al::Device *device, ALuint id) noexcept -> ALbuffer*
{
const size_t lidx{(id-1) >> 6};
const ALuint slidx{(id-1) & 0x3f};
if(lidx >= device->BufferList.size()) UNLIKELY
return nullptr;
BufferSubList &sublist = device->BufferList[lidx];
if(sublist.FreeMask & (1_u64 << slidx)) UNLIKELY
return nullptr;
return al::to_address(sublist.Buffers->begin() + slidx);
}
[[nodiscard]]
constexpr auto SanitizeAlignment(FmtType type, ALuint align) noexcept -> ALuint
{
if(align == 0)
{
if(type == FmtIMA4)
{
/* Here is where things vary:
* nVidia and Apple use 64+1 sample frames per block -> block_size=36 bytes per channel
* Most PC sound software uses 2040+1 sample frames per block -> block_size=1024 bytes per channel
*/
return 65;
}
if(type == FmtMSADPCM)
return 64;
return 1;
}
if(type == FmtIMA4)
{
/* IMA4 block alignment must be a multiple of 8, plus 1. */
if((align&7) == 1) return align;
return 0;
}
if(type == FmtMSADPCM)
{
/* MSADPCM block alignment must be a multiple of 2. */
if((align&1) == 0) return align;
return 0;
}
return align;
}
/** Loads the specified data into the buffer, using the specified format. */
void LoadData(ALCcontext *context, ALbuffer *ALBuf, ALsizei freq, ALuint size,
const FmtChannels DstChannels, const FmtType DstType, const al::span<const std::byte> SrcData,
ALbitfieldSOFT access)
{
if(ALBuf->ref.load(std::memory_order_relaxed) != 0 || ALBuf->MappedAccess != 0)
context->throw_error(AL_INVALID_OPERATION, "Modifying storage for in-use buffer {}",
ALBuf->id);
const ALuint unpackalign{ALBuf->UnpackAlign};
const ALuint align{SanitizeAlignment(DstType, unpackalign)};
if(align < 1)
context->throw_error(AL_INVALID_VALUE, "Invalid unpack alignment {} for {} samples",
unpackalign, NameFromFormat(DstType));
const ALuint ambiorder{IsBFormat(DstChannels) ? ALBuf->UnpackAmbiOrder :
(IsUHJ(DstChannels) ? 1 : 0)};
if(ambiorder > 3)
{
if(ALBuf->mAmbiLayout == AmbiLayout::FuMa)
context->throw_error(AL_INVALID_OPERATION,
"Cannot load {}{} order B-Format data with FuMa layout", ALBuf->mAmbiOrder,
GetCounterSuffix(ALBuf->mAmbiOrder));
if(ALBuf->mAmbiScaling == AmbiScaling::FuMa)
context->throw_error(AL_INVALID_OPERATION,
"Cannot load {}{} order B-Format data with FuMa scaling", ALBuf->mAmbiOrder,
GetCounterSuffix(ALBuf->mAmbiOrder));
}
if((access&AL_PRESERVE_DATA_BIT_SOFT))
{
/* Can only preserve data with the same format and alignment. */
if(ALBuf->mChannels != DstChannels || ALBuf->mType != DstType)
context->throw_error(AL_INVALID_VALUE, "Preserving data of mismatched format");
if(ALBuf->mBlockAlign != align)
context->throw_error(AL_INVALID_VALUE, "Preserving data of mismatched alignment");
if(ALBuf->mAmbiOrder != ambiorder)
context->throw_error(AL_INVALID_VALUE, "Preserving data of mismatched order");
}
/* Convert the size in bytes to blocks using the unpack block alignment. */
const ALuint NumChannels{ChannelsFromFmt(DstChannels, ambiorder)};
const ALuint BlockSize{NumChannels *
((DstType == FmtIMA4) ? (align-1)/2 + 4 :
(DstType == FmtMSADPCM) ? (align-2)/2 + 7 :
(align * BytesFromFmt(DstType)))};
if((size%BlockSize) != 0)
context->throw_error(AL_INVALID_VALUE,
"Data size {} is not a multiple of frame size {} ({} unpack alignment)",
size, BlockSize, align);
const ALuint blocks{size / BlockSize};
if(blocks > std::numeric_limits<ALsizei>::max()/align)
context->throw_error(AL_OUT_OF_MEMORY,
"Buffer size overflow, {} blocks x {} samples per block", blocks, align);
if(blocks > std::numeric_limits<size_t>::max()/BlockSize)
context->throw_error(AL_OUT_OF_MEMORY,
"Buffer size overflow, {} frames x {} bytes per frame", blocks, BlockSize);
const size_t newsize{static_cast<size_t>(blocks) * BlockSize};
#if ALSOFT_EAX
if(ALBuf->eax_x_ram_mode == EaxStorage::Hardware)
{
auto &device = *context->mALDevice;
if(!eax_x_ram_check_availability(device, *ALBuf, size))
context->throw_error(AL_OUT_OF_MEMORY, "Out of X-RAM memory (avail: {}, needed: {})",
device.eax_x_ram_free_size, size);
}
#endif
/* This could reallocate only when increasing the size or the new size is
* less than half the current, but then the buffer's AL_SIZE would not be
* very reliable for accounting buffer memory usage, and reporting the real
* size could cause problems for apps that use AL_SIZE to try to get the
* buffer's play length.
*/
if(newsize != ALBuf->mDataStorage.size())
{
auto newdata = decltype(ALBuf->mDataStorage)(newsize, std::byte{});
if((access&AL_PRESERVE_DATA_BIT_SOFT))
{
const size_t tocopy{std::min(newdata.size(), ALBuf->mDataStorage.size())};
std::copy_n(ALBuf->mDataStorage.begin(), tocopy, newdata.begin());
}
newdata.swap(ALBuf->mDataStorage);
}
ALBuf->mData = ALBuf->mDataStorage;
#if ALSOFT_EAX
eax_x_ram_clear(*context->mALDevice, *ALBuf);
#endif
if(!SrcData.empty() && !ALBuf->mData.empty())
std::copy_n(SrcData.begin(), blocks*BlockSize, ALBuf->mData.begin());
ALBuf->mBlockAlign = (DstType == FmtIMA4 || DstType == FmtMSADPCM) ? align : 1;
ALBuf->OriginalSize = size;
ALBuf->Access = access;
ALBuf->mSampleRate = static_cast<ALuint>(freq);
ALBuf->mChannels = DstChannels;
ALBuf->mType = DstType;
ALBuf->mAmbiOrder = ambiorder;
ALBuf->mCallback = nullptr;
ALBuf->mUserData = nullptr;
ALBuf->mSampleLen = blocks * align;
ALBuf->mLoopStart = 0;
ALBuf->mLoopEnd = ALBuf->mSampleLen;
#if ALSOFT_EAX
if(eax_g_is_enabled && ALBuf->eax_x_ram_mode == EaxStorage::Hardware)
eax_x_ram_apply(*context->mALDevice, *ALBuf);
#endif
}
/** Prepares the buffer to use the specified callback, using the specified format. */
void PrepareCallback(ALCcontext *context, ALbuffer *ALBuf, ALsizei freq,
const FmtChannels DstChannels, const FmtType DstType, ALBUFFERCALLBACKTYPESOFT callback,
void *userptr)
{
if(ALBuf->ref.load(std::memory_order_relaxed) != 0 || ALBuf->MappedAccess != 0)
context->throw_error(AL_INVALID_OPERATION, "Modifying callback for in-use buffer {}",
ALBuf->id);
const ALuint ambiorder{IsBFormat(DstChannels) ? ALBuf->UnpackAmbiOrder :
(IsUHJ(DstChannels) ? 1 : 0)};
const ALuint unpackalign{ALBuf->UnpackAlign};
const ALuint align{SanitizeAlignment(DstType, unpackalign)};
if(align < 1)
context->throw_error(AL_INVALID_VALUE, "Invalid unpack alignment {} for {} samples",
unpackalign, NameFromFormat(DstType));
const ALuint BlockSize{ChannelsFromFmt(DstChannels, ambiorder) *
((DstType == FmtIMA4) ? (align-1)/2 + 4 :
(DstType == FmtMSADPCM) ? (align-2)/2 + 7 :
(align * BytesFromFmt(DstType)))};
/* The maximum number of samples a callback buffer may need to store is a
* full mixing line * max pitch * channel count, since it may need to hold
* a full line's worth of sample frames before downsampling. An additional
* MaxResamplerEdge is needed for "future" samples during resampling (the
* voice will hold a history for the past samples).
*/
static constexpr size_t line_size{DeviceBase::MixerLineSize*MaxPitch + MaxResamplerEdge};
const size_t line_blocks{(line_size + align-1) / align};
using BufferVectorType = decltype(ALBuf->mDataStorage);
BufferVectorType(line_blocks*BlockSize).swap(ALBuf->mDataStorage);
ALBuf->mData = ALBuf->mDataStorage;
#if ALSOFT_EAX
eax_x_ram_clear(*context->mALDevice, *ALBuf);
#endif
ALBuf->mCallback = callback;
ALBuf->mUserData = userptr;
ALBuf->OriginalSize = 0;
ALBuf->Access = 0;
ALBuf->mBlockAlign = (DstType == FmtIMA4 || DstType == FmtMSADPCM) ? align : 1;
ALBuf->mSampleRate = static_cast<ALuint>(freq);
ALBuf->mChannels = DstChannels;
ALBuf->mType = DstType;
ALBuf->mAmbiOrder = ambiorder;
ALBuf->mSampleLen = 0;
ALBuf->mLoopStart = 0;
ALBuf->mLoopEnd = ALBuf->mSampleLen;
}
/** Prepares the buffer to use caller-specified storage. */
void PrepareUserPtr(ALCcontext *context [[maybe_unused]], ALbuffer *ALBuf, ALsizei freq,
const FmtChannels DstChannels, const FmtType DstType, std::byte *sdata, const ALuint sdatalen)
{
if(ALBuf->ref.load(std::memory_order_relaxed) != 0 || ALBuf->MappedAccess != 0)
context->throw_error(AL_INVALID_OPERATION, "Modifying storage for in-use buffer {}",
ALBuf->id);
const ALuint unpackalign{ALBuf->UnpackAlign};
const ALuint align{SanitizeAlignment(DstType, unpackalign)};
if(align < 1)
context->throw_error(AL_INVALID_VALUE, "Invalid unpack alignment {} for {} samples",
unpackalign, NameFromFormat(DstType));
auto get_type_alignment = [](const FmtType type) noexcept -> ALuint
{
/* NOTE: This only needs to be the required alignment for the CPU to
* read/write the given sample type in the mixer.
*/
switch(type)
{
case FmtUByte: return alignof(ALubyte);
case FmtShort: return alignof(ALshort);
case FmtInt: return alignof(ALint);
case FmtFloat: return alignof(ALfloat);
case FmtDouble: return alignof(ALdouble);
case FmtMulaw: return alignof(ALubyte);
case FmtAlaw: return alignof(ALubyte);
case FmtIMA4: break;
case FmtMSADPCM: break;
}
return 1;
};
const auto typealign = get_type_alignment(DstType);
if((reinterpret_cast<uintptr_t>(sdata) & (typealign-1)) != 0)
context->throw_error(AL_INVALID_VALUE, "Pointer {} is misaligned for {} samples ({})",
static_cast<void*>(sdata), NameFromFormat(DstType), typealign);
const ALuint ambiorder{IsBFormat(DstChannels) ? ALBuf->UnpackAmbiOrder :
(IsUHJ(DstChannels) ? 1 : 0)};
/* Convert the size in bytes to blocks using the unpack block alignment. */
const ALuint NumChannels{ChannelsFromFmt(DstChannels, ambiorder)};
const ALuint BlockSize{NumChannels *
((DstType == FmtIMA4) ? (align-1)/2 + 4 :
(DstType == FmtMSADPCM) ? (align-2)/2 + 7 :
(align * BytesFromFmt(DstType)))};
if((sdatalen%BlockSize) != 0)
context->throw_error(AL_INVALID_VALUE,
"Data size {} is not a multiple of frame size {} ({} unpack alignment)",
sdatalen, BlockSize, align);
const ALuint blocks{sdatalen / BlockSize};
if(blocks > std::numeric_limits<ALsizei>::max()/align)
context->throw_error(AL_OUT_OF_MEMORY,
"Buffer size overflow, {} blocks x {} samples per block", blocks, align);
if(blocks > std::numeric_limits<size_t>::max()/BlockSize)
context->throw_error(AL_OUT_OF_MEMORY,
"Buffer size overflow, {} frames x {} bytes per frame", blocks, BlockSize);
#if ALSOFT_EAX
if(ALBuf->eax_x_ram_mode == EaxStorage::Hardware)
{
auto &device = *context->mALDevice;
if(!eax_x_ram_check_availability(device, *ALBuf, sdatalen))
context->throw_error(AL_OUT_OF_MEMORY, "Out of X-RAM memory (avail: {}, needed: {})",
device.eax_x_ram_free_size, sdatalen);
}
#endif
decltype(ALBuf->mDataStorage){}.swap(ALBuf->mDataStorage);
ALBuf->mData = al::span{sdata, sdatalen};
#if ALSOFT_EAX
eax_x_ram_clear(*context->mALDevice, *ALBuf);
#endif
ALBuf->mCallback = nullptr;
ALBuf->mUserData = nullptr;
ALBuf->OriginalSize = sdatalen;
ALBuf->Access = 0;
ALBuf->mBlockAlign = (DstType == FmtIMA4 || DstType == FmtMSADPCM) ? align : 1;
ALBuf->mSampleRate = static_cast<ALuint>(freq);
ALBuf->mChannels = DstChannels;
ALBuf->mType = DstType;
ALBuf->mAmbiOrder = ambiorder;
ALBuf->mSampleLen = blocks * align;
ALBuf->mLoopStart = 0;
ALBuf->mLoopEnd = ALBuf->mSampleLen;
#if ALSOFT_EAX
if(ALBuf->eax_x_ram_mode == EaxStorage::Hardware)
eax_x_ram_apply(*context->mALDevice, *ALBuf);
#endif
}
struct DecompResult { FmtChannels channels; FmtType type; };
auto DecomposeUserFormat(ALenum format) noexcept -> std::optional<DecompResult>
{
struct FormatMap {
ALenum format;
DecompResult result;
};
static constexpr std::array UserFmtList{
FormatMap{AL_FORMAT_MONO8, {FmtMono, FmtUByte} },
FormatMap{AL_FORMAT_MONO16, {FmtMono, FmtShort} },
FormatMap{AL_FORMAT_MONO_I32, {FmtMono, FmtInt} },
FormatMap{AL_FORMAT_MONO_FLOAT32, {FmtMono, FmtFloat} },
FormatMap{AL_FORMAT_MONO_DOUBLE_EXT, {FmtMono, FmtDouble} },
FormatMap{AL_FORMAT_MONO_IMA4, {FmtMono, FmtIMA4} },
FormatMap{AL_FORMAT_MONO_MSADPCM_SOFT, {FmtMono, FmtMSADPCM}},
FormatMap{AL_FORMAT_MONO_MULAW, {FmtMono, FmtMulaw} },
FormatMap{AL_FORMAT_MONO_ALAW_EXT, {FmtMono, FmtAlaw} },
FormatMap{AL_FORMAT_STEREO8, {FmtStereo, FmtUByte} },
FormatMap{AL_FORMAT_STEREO16, {FmtStereo, FmtShort} },
FormatMap{AL_FORMAT_STEREO_I32, {FmtStereo, FmtInt} },
FormatMap{AL_FORMAT_STEREO_FLOAT32, {FmtStereo, FmtFloat} },
FormatMap{AL_FORMAT_STEREO_DOUBLE_EXT, {FmtStereo, FmtDouble} },
FormatMap{AL_FORMAT_STEREO_IMA4, {FmtStereo, FmtIMA4} },
FormatMap{AL_FORMAT_STEREO_MSADPCM_SOFT, {FmtStereo, FmtMSADPCM}},
FormatMap{AL_FORMAT_STEREO_MULAW, {FmtStereo, FmtMulaw} },
FormatMap{AL_FORMAT_STEREO_ALAW_EXT, {FmtStereo, FmtAlaw} },
FormatMap{AL_FORMAT_REAR8, {FmtRear, FmtUByte}},
FormatMap{AL_FORMAT_REAR16, {FmtRear, FmtShort}},
FormatMap{AL_FORMAT_REAR32, {FmtRear, FmtFloat}},
FormatMap{AL_FORMAT_REAR_I32, {FmtRear, FmtInt} },
FormatMap{AL_FORMAT_REAR_FLOAT32, {FmtRear, FmtFloat}},
FormatMap{AL_FORMAT_REAR_MULAW, {FmtRear, FmtMulaw}},
FormatMap{AL_FORMAT_QUAD8_LOKI, {FmtQuad, FmtUByte}},
FormatMap{AL_FORMAT_QUAD16_LOKI, {FmtQuad, FmtShort}},
FormatMap{AL_FORMAT_QUAD8, {FmtQuad, FmtUByte}},
FormatMap{AL_FORMAT_QUAD16, {FmtQuad, FmtShort}},
FormatMap{AL_FORMAT_QUAD32, {FmtQuad, FmtFloat}},
FormatMap{AL_FORMAT_QUAD_I32, {FmtQuad, FmtInt} },
FormatMap{AL_FORMAT_QUAD_FLOAT32, {FmtQuad, FmtFloat}},
FormatMap{AL_FORMAT_QUAD_MULAW, {FmtQuad, FmtMulaw}},
FormatMap{AL_FORMAT_51CHN8, {FmtX51, FmtUByte}},
FormatMap{AL_FORMAT_51CHN16, {FmtX51, FmtShort}},
FormatMap{AL_FORMAT_51CHN32, {FmtX51, FmtFloat}},
FormatMap{AL_FORMAT_51CHN_I32, {FmtX51, FmtInt} },
FormatMap{AL_FORMAT_51CHN_FLOAT32, {FmtX51, FmtFloat}},
FormatMap{AL_FORMAT_51CHN_MULAW, {FmtX51, FmtMulaw}},
FormatMap{AL_FORMAT_61CHN8, {FmtX61, FmtUByte}},
FormatMap{AL_FORMAT_61CHN16, {FmtX61, FmtShort}},
FormatMap{AL_FORMAT_61CHN32, {FmtX61, FmtFloat}},
FormatMap{AL_FORMAT_61CHN_I32, {FmtX61, FmtInt} },
FormatMap{AL_FORMAT_61CHN_FLOAT32, {FmtX61, FmtFloat}},
FormatMap{AL_FORMAT_61CHN_MULAW, {FmtX61, FmtMulaw}},
FormatMap{AL_FORMAT_71CHN8, {FmtX71, FmtUByte}},
FormatMap{AL_FORMAT_71CHN16, {FmtX71, FmtShort}},
FormatMap{AL_FORMAT_71CHN32, {FmtX71, FmtFloat}},
FormatMap{AL_FORMAT_71CHN_I32, {FmtX71, FmtInt} },
FormatMap{AL_FORMAT_71CHN_FLOAT32, {FmtX71, FmtFloat}},
FormatMap{AL_FORMAT_71CHN_MULAW, {FmtX71, FmtMulaw}},
FormatMap{AL_FORMAT_BFORMAT2D_8, {FmtBFormat2D, FmtUByte}},
FormatMap{AL_FORMAT_BFORMAT2D_16, {FmtBFormat2D, FmtShort}},
FormatMap{AL_FORMAT_BFORMAT2D_I32, {FmtBFormat2D, FmtInt} },
FormatMap{AL_FORMAT_BFORMAT2D_FLOAT32, {FmtBFormat2D, FmtFloat}},
FormatMap{AL_FORMAT_BFORMAT2D_MULAW, {FmtBFormat2D, FmtMulaw}},
FormatMap{AL_FORMAT_BFORMAT3D_8, {FmtBFormat3D, FmtUByte}},
FormatMap{AL_FORMAT_BFORMAT3D_16, {FmtBFormat3D, FmtShort}},
FormatMap{AL_FORMAT_BFORMAT3D_I32, {FmtBFormat3D, FmtInt} },
FormatMap{AL_FORMAT_BFORMAT3D_FLOAT32, {FmtBFormat3D, FmtFloat}},
FormatMap{AL_FORMAT_BFORMAT3D_MULAW, {FmtBFormat3D, FmtMulaw}},
FormatMap{AL_FORMAT_UHJ2CHN8_SOFT, {FmtUHJ2, FmtUByte} },
FormatMap{AL_FORMAT_UHJ2CHN16_SOFT, {FmtUHJ2, FmtShort} },
FormatMap{AL_FORMAT_UHJ2CHN_I32_SOFT, {FmtUHJ2, FmtInt} },
FormatMap{AL_FORMAT_UHJ2CHN_FLOAT32_SOFT, {FmtUHJ2, FmtFloat} },
FormatMap{AL_FORMAT_UHJ2CHN_MULAW_SOFT, {FmtUHJ2, FmtMulaw} },
FormatMap{AL_FORMAT_UHJ2CHN_ALAW_SOFT, {FmtUHJ2, FmtAlaw} },
FormatMap{AL_FORMAT_UHJ2CHN_IMA4_SOFT, {FmtUHJ2, FmtIMA4} },
FormatMap{AL_FORMAT_UHJ2CHN_MSADPCM_SOFT, {FmtUHJ2, FmtMSADPCM}},
FormatMap{AL_FORMAT_UHJ3CHN8_SOFT, {FmtUHJ3, FmtUByte}},
FormatMap{AL_FORMAT_UHJ3CHN16_SOFT, {FmtUHJ3, FmtShort}},
FormatMap{AL_FORMAT_UHJ3CHN_I32_SOFT, {FmtUHJ3, FmtInt} },
FormatMap{AL_FORMAT_UHJ3CHN_FLOAT32_SOFT, {FmtUHJ3, FmtFloat}},
FormatMap{AL_FORMAT_UHJ3CHN_MULAW_SOFT, {FmtUHJ3, FmtMulaw}},
FormatMap{AL_FORMAT_UHJ3CHN_ALAW_SOFT, {FmtUHJ3, FmtAlaw} },
FormatMap{AL_FORMAT_UHJ4CHN8_SOFT, {FmtUHJ4, FmtUByte}},
FormatMap{AL_FORMAT_UHJ4CHN16_SOFT, {FmtUHJ4, FmtShort}},
FormatMap{AL_FORMAT_UHJ4CHN_I32_SOFT, {FmtUHJ4, FmtInt} },
FormatMap{AL_FORMAT_UHJ4CHN_FLOAT32_SOFT, {FmtUHJ4, FmtFloat}},
FormatMap{AL_FORMAT_UHJ4CHN_MULAW_SOFT, {FmtUHJ4, FmtMulaw}},
FormatMap{AL_FORMAT_UHJ4CHN_ALAW_SOFT, {FmtUHJ4, FmtAlaw} },
};
auto iter = std::find_if(UserFmtList.cbegin(), UserFmtList.cend(),
[format](const FormatMap &fmt) noexcept { return fmt.format == format; });
if(iter != UserFmtList.cend())
return iter->result;
return std::nullopt;
}
} // namespace
AL_API DECL_FUNC2(void, alGenBuffers, ALsizei,n, ALuint*,buffers)
FORCE_ALIGN void AL_APIENTRY alGenBuffersDirect(ALCcontext *context, ALsizei n, ALuint *buffers) noexcept
try {
if(n < 0)
context->throw_error(AL_INVALID_VALUE, "Generating {} buffers", n);
if(n <= 0) UNLIKELY return;
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
const al::span bids{buffers, static_cast<ALuint>(n)};
if(!EnsureBuffers(device, bids.size()))
context->throw_error(AL_OUT_OF_MEMORY, "Failed to allocate {} buffer{}", n,
(n==1) ? "" : "s");
std::generate(bids.begin(), bids.end(), [device]{ return AllocBuffer(device)->id; });
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNC2(void, alDeleteBuffers, ALsizei,n, const ALuint*,buffers)
FORCE_ALIGN void AL_APIENTRY alDeleteBuffersDirect(ALCcontext *context, ALsizei n,
const ALuint *buffers) noexcept
try {
if(n < 0)
context->throw_error(AL_INVALID_VALUE, "Deleting {} buffers", n);
if(n <= 0) UNLIKELY return;
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
/* First try to find any buffers that are invalid or in-use. */
auto validate_buffer = [context,device](const ALuint bid)
{
if(!bid) return;
ALbuffer *ALBuf{LookupBuffer(device, bid)};
if(!ALBuf)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", bid);
if(ALBuf->ref.load(std::memory_order_relaxed) != 0)
context->throw_error(AL_INVALID_OPERATION, "Deleting in-use buffer {}", bid);
};
const al::span bids{buffers, static_cast<ALuint>(n)};
std::for_each(bids.begin(), bids.end(), validate_buffer);
/* All good. Delete non-0 buffer IDs. */
auto delete_buffer = [device](const ALuint bid) -> void
{
if(ALbuffer *buffer{bid ? LookupBuffer(device, bid) : nullptr})
FreeBuffer(device, buffer);
};
std::for_each(bids.begin(), bids.end(), delete_buffer);
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNC1(ALboolean, alIsBuffer, ALuint,buffer)
FORCE_ALIGN ALboolean AL_APIENTRY alIsBufferDirect(ALCcontext *context, ALuint buffer) noexcept
{
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
if(!buffer || LookupBuffer(device, buffer))
return AL_TRUE;
return AL_FALSE;
}
AL_API void AL_APIENTRY alBufferData(ALuint buffer, ALenum format, const ALvoid *data, ALsizei size, ALsizei freq) noexcept
{
auto context = GetContextRef();
if(!context) UNLIKELY return;
alBufferStorageDirectSOFT(context.get(), buffer, format, data, size, freq, 0);
}
FORCE_ALIGN void AL_APIENTRY alBufferDataDirect(ALCcontext *context, ALuint buffer, ALenum format, const ALvoid *data, ALsizei size, ALsizei freq) noexcept
{ alBufferStorageDirectSOFT(context, buffer, format, data, size, freq, 0); }
AL_API DECL_FUNCEXT6(void, alBufferStorage,SOFT, ALuint,buffer, ALenum,format, const ALvoid*,data, ALsizei,size, ALsizei,freq, ALbitfieldSOFT,flags)
FORCE_ALIGN void AL_APIENTRY alBufferStorageDirectSOFT(ALCcontext *context, ALuint buffer,
ALenum format, const ALvoid *data, ALsizei size, ALsizei freq, ALbitfieldSOFT flags) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
ALbuffer *albuf{LookupBuffer(device, buffer)};
if(!albuf)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
if(size < 0)
context->throw_error(AL_INVALID_VALUE, "Negative storage size {}", size);
if(freq < 1)
context->throw_error(AL_INVALID_VALUE, "Invalid sample rate {}", freq);
if((flags&INVALID_STORAGE_MASK) != 0)
context->throw_error(AL_INVALID_VALUE, "Invalid storage flags {:#x}",
flags&INVALID_STORAGE_MASK);
if((flags&AL_MAP_PERSISTENT_BIT_SOFT) && !(flags&MAP_READ_WRITE_FLAGS))
context->throw_error(AL_INVALID_VALUE,
"Declaring persistently mapped storage without read or write access");
auto usrfmt = DecomposeUserFormat(format);
if(!usrfmt)
context->throw_error(AL_INVALID_ENUM, "Invalid format {:#04x}", as_unsigned(format));
auto bdata = static_cast<const std::byte*>(data);
LoadData(context, albuf, freq, static_cast<ALuint>(size), usrfmt->channels, usrfmt->type,
al::span{bdata, bdata ? static_cast<ALuint>(size) : 0u}, flags);
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
FORCE_ALIGN DECL_FUNC5(void, alBufferDataStatic, ALuint,buffer, ALenum,format, ALvoid*,data, ALsizei,size, ALsizei,freq)
FORCE_ALIGN void AL_APIENTRY alBufferDataStaticDirect(ALCcontext *context, const ALuint buffer,
ALenum format, ALvoid *data, ALsizei size, ALsizei freq) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
ALbuffer *albuf{LookupBuffer(device, buffer)};
if(!albuf)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
if(size < 0)
context->throw_error(AL_INVALID_VALUE, "Negative storage size {}", size);
if(freq < 1)
context->throw_error(AL_INVALID_VALUE, "Invalid sample rate {}", freq);
auto usrfmt = DecomposeUserFormat(format);
if(!usrfmt)
context->throw_error(AL_INVALID_ENUM, "Invalid format {:#04x}", as_unsigned(format));
PrepareUserPtr(context, albuf, freq, usrfmt->channels, usrfmt->type,
static_cast<std::byte*>(data), static_cast<ALuint>(size));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNCEXT4(void*, alMapBuffer,SOFT, ALuint,buffer, ALsizei,offset, ALsizei,length, ALbitfieldSOFT,access)
FORCE_ALIGN void* AL_APIENTRY alMapBufferDirectSOFT(ALCcontext *context, ALuint buffer,
ALsizei offset, ALsizei length, ALbitfieldSOFT access) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
ALbuffer *albuf{LookupBuffer(device, buffer)};
if(!albuf)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
if((access&INVALID_MAP_FLAGS) != 0)
context->throw_error(AL_INVALID_VALUE, "Invalid map flags {:#x}",
access&INVALID_MAP_FLAGS);
if(!(access&MAP_READ_WRITE_FLAGS))
context->throw_error(AL_INVALID_VALUE, "Mapping buffer {} without read or write access",
buffer);
const ALbitfieldSOFT unavailable{(albuf->Access^access) & access};
if(albuf->ref.load(std::memory_order_relaxed) != 0 && !(access&AL_MAP_PERSISTENT_BIT_SOFT))
context->throw_error(AL_INVALID_OPERATION,
"Mapping in-use buffer {} without persistent mapping", buffer);
if(albuf->MappedAccess != 0)
context->throw_error(AL_INVALID_OPERATION, "Mapping already-mapped buffer {}", buffer);
if((unavailable&AL_MAP_READ_BIT_SOFT))
context->throw_error(AL_INVALID_VALUE, "Mapping buffer {} for reading without read access",
buffer);
if((unavailable&AL_MAP_WRITE_BIT_SOFT))
context->throw_error(AL_INVALID_VALUE,
"Mapping buffer {} for writing without write access", buffer);
if((unavailable&AL_MAP_PERSISTENT_BIT_SOFT))
context->throw_error(AL_INVALID_VALUE,
"Mapping buffer {} persistently without persistent access", buffer);
if(offset < 0 || length <= 0 || static_cast<ALuint>(offset) >= albuf->OriginalSize
|| static_cast<ALuint>(length) > albuf->OriginalSize - static_cast<ALuint>(offset))
context->throw_error(AL_INVALID_VALUE, "Mapping invalid range {}+{} for buffer {}", offset,
length, buffer);
void *retval{albuf->mData.data() + offset};
albuf->MappedAccess = access;
albuf->MappedOffset = offset;
albuf->MappedSize = length;
return retval;
}
catch(al::base_exception&) {
return nullptr;
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
return nullptr;
}
AL_API DECL_FUNCEXT1(void, alUnmapBuffer,SOFT, ALuint,buffer)
FORCE_ALIGN void AL_APIENTRY alUnmapBufferDirectSOFT(ALCcontext *context, ALuint buffer) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
ALbuffer *albuf{LookupBuffer(device, buffer)};
if(!albuf)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
if(albuf->MappedAccess == 0)
context->throw_error(AL_INVALID_OPERATION, "Unmapping unmapped buffer {}", buffer);
albuf->MappedAccess = 0;
albuf->MappedOffset = 0;
albuf->MappedSize = 0;
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNCEXT3(void, alFlushMappedBuffer,SOFT, ALuint,buffer, ALsizei,offset, ALsizei,length)
FORCE_ALIGN void AL_APIENTRY alFlushMappedBufferDirectSOFT(ALCcontext *context, ALuint buffer,
ALsizei offset, ALsizei length) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
ALbuffer *albuf{LookupBuffer(device, buffer)};
if(!albuf)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
if(!(albuf->MappedAccess&AL_MAP_WRITE_BIT_SOFT))
context->throw_error(AL_INVALID_OPERATION,
"Flushing buffer {} while not mapped for writing", buffer);
if(offset < albuf->MappedOffset || length <= 0
|| offset >= albuf->MappedOffset+albuf->MappedSize
|| length > albuf->MappedOffset+albuf->MappedSize-offset)
context->throw_error(AL_INVALID_VALUE, "Flushing invalid range {}+{} on buffer {}", offset,
length, buffer);
/* FIXME: Need to use some method of double-buffering for the mixer and app
* to hold separate memory, which can be safely transferred asynchronously.
* Currently we just say the app shouldn't write where OpenAL's reading,
* and hope for the best...
*/
std::atomic_thread_fence(std::memory_order_seq_cst);
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNCEXT5(void, alBufferSubData,SOFT, ALuint,buffer, ALenum,format, const ALvoid*,data, ALsizei,offset, ALsizei,length)
FORCE_ALIGN void AL_APIENTRY alBufferSubDataDirectSOFT(ALCcontext *context, ALuint buffer,
ALenum format, const ALvoid *data, ALsizei offset, ALsizei length) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
ALbuffer *albuf{LookupBuffer(device, buffer)};
if(!albuf)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
auto usrfmt = DecomposeUserFormat(format);
if(!usrfmt)
context->throw_error(AL_INVALID_ENUM, "Invalid format {:#04x}", as_unsigned(format));
const ALuint unpack_align{albuf->UnpackAlign};
const ALuint align{SanitizeAlignment(usrfmt->type, unpack_align)};
if(align < 1)
context->throw_error(AL_INVALID_VALUE, "Invalid unpack alignment {}", unpack_align);
if(usrfmt->channels != albuf->mChannels || usrfmt->type != albuf->mType)
context->throw_error(AL_INVALID_ENUM, "Unpacking data with mismatched format");
if(align != albuf->mBlockAlign)
context->throw_error(AL_INVALID_VALUE,
"Unpacking data with alignment {} does not match original alignment {}", align,
albuf->mBlockAlign);
if(albuf->isBFormat() && albuf->UnpackAmbiOrder != albuf->mAmbiOrder)
context->throw_error(AL_INVALID_VALUE, "Unpacking data with mismatched ambisonic order");
if(albuf->MappedAccess != 0)
context->throw_error(AL_INVALID_OPERATION, "Unpacking data into mapped buffer {}", buffer);
const ALuint num_chans{albuf->channelsFromFmt()};
const ALuint byte_align{
(albuf->mType == FmtIMA4) ? ((align-1)/2 + 4) * num_chans :
(albuf->mType == FmtMSADPCM) ? ((align-2)/2 + 7) * num_chans :
(align * albuf->bytesFromFmt() * num_chans)};
if(offset < 0 || length < 0 || static_cast<ALuint>(offset) > albuf->OriginalSize
|| static_cast<ALuint>(length) > albuf->OriginalSize-static_cast<ALuint>(offset))
context->throw_error(AL_INVALID_VALUE, "Invalid data sub-range {}+{} on buffer {}", offset,
length, buffer);
if((static_cast<ALuint>(offset)%byte_align) != 0)
context->throw_error(AL_INVALID_VALUE,
"Sub-range offset {} is not a multiple of frame size {} ({} unpack alignment)",
offset, byte_align, align);
if((static_cast<ALuint>(length)%byte_align) != 0)
context->throw_error(AL_INVALID_VALUE,
"Sub-range length {} is not a multiple of frame size {} ({} unpack alignment)",
length, byte_align, align);
std::memcpy(albuf->mData.data()+offset, data, static_cast<ALuint>(length));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNC3(void, alBufferf, ALuint,buffer, ALenum,param, ALfloat,value)
FORCE_ALIGN void AL_APIENTRY alBufferfDirect(ALCcontext *context, ALuint buffer, ALenum param,
ALfloat value [[maybe_unused]]) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
context->throw_error(AL_INVALID_ENUM, "Invalid buffer float property {:#04x}",
as_unsigned(param));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNC5(void, alBuffer3f, ALuint,buffer, ALenum,param, ALfloat,value1, ALfloat,value2, ALfloat,value3)
FORCE_ALIGN void AL_APIENTRY alBuffer3fDirect(ALCcontext *context, ALuint buffer, ALenum param,
ALfloat value1 [[maybe_unused]], ALfloat value2 [[maybe_unused]],
ALfloat value3 [[maybe_unused]]) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
context->throw_error(AL_INVALID_ENUM, "Invalid buffer 3-float property {:#04x}",
as_unsigned(param));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNC3(void, alBufferfv, ALuint,buffer, ALenum,param, const ALfloat*,values)
FORCE_ALIGN void AL_APIENTRY alBufferfvDirect(ALCcontext *context, ALuint buffer, ALenum param,
const ALfloat *values) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
if(!values)
context->throw_error(AL_INVALID_VALUE, "NULL pointer");
context->throw_error(AL_INVALID_ENUM, "Invalid buffer float-vector property {:#04x}",
as_unsigned(param));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNC3(void, alBufferi, ALuint,buffer, ALenum,param, ALint,value)
FORCE_ALIGN void AL_APIENTRY alBufferiDirect(ALCcontext *context, ALuint buffer, ALenum param,
ALint value) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
ALbuffer *albuf{LookupBuffer(device, buffer)};
if(!albuf)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
switch(param)
{
case AL_UNPACK_BLOCK_ALIGNMENT_SOFT:
if(value < 0)
context->throw_error(AL_INVALID_VALUE, "Invalid unpack block alignment {}", value);
albuf->UnpackAlign = static_cast<ALuint>(value);
return;
case AL_PACK_BLOCK_ALIGNMENT_SOFT:
if(value < 0)
context->throw_error(AL_INVALID_VALUE, "Invalid pack block alignment {}", value);
albuf->PackAlign = static_cast<ALuint>(value);
return;
case AL_AMBISONIC_LAYOUT_SOFT:
if(albuf->ref.load(std::memory_order_relaxed) != 0)
context->throw_error(AL_INVALID_OPERATION,
"Modifying in-use buffer {}'s ambisonic layout", buffer);
if(const auto layout = AmbiLayoutFromEnum(value))
{
if(layout.value() == AmbiLayout::FuMa && albuf->mAmbiOrder > 3)
context->throw_error(AL_INVALID_OPERATION,
"Cannot set FuMa layout for {}{} order B-Format data", albuf->mAmbiOrder,
GetCounterSuffix(albuf->mAmbiOrder));
albuf->mAmbiLayout = layout.value();
return;
}
context->throw_error(AL_INVALID_VALUE, "Invalid unpack ambisonic layout {:#04x}",
as_unsigned(value));
case AL_AMBISONIC_SCALING_SOFT:
if(albuf->ref.load(std::memory_order_relaxed) != 0)
context->throw_error(AL_INVALID_OPERATION,
"Modifying in-use buffer {}'s ambisonic scaling", buffer);
if(const auto scaling = AmbiScalingFromEnum(value))
{
if(scaling.value() == AmbiScaling::FuMa && albuf->mAmbiOrder > 3)
context->throw_error(AL_INVALID_OPERATION,
"Cannot set FuMa scaling for {}{} order B-Format data", albuf->mAmbiOrder,
GetCounterSuffix(albuf->mAmbiOrder));
albuf->mAmbiScaling = scaling.value();
return;
}
context->throw_error(AL_INVALID_VALUE, "Invalid unpack ambisonic scaling {:#04x}",
as_unsigned(value));
case AL_UNPACK_AMBISONIC_ORDER_SOFT:
if(value < 1 || value > 14)
context->throw_error(AL_INVALID_VALUE, "Invalid unpack ambisonic order {}", value);
albuf->UnpackAmbiOrder = static_cast<ALuint>(value);
return;
}
context->throw_error(AL_INVALID_ENUM, "Invalid buffer integer property {:#04x}",
as_unsigned(param));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNC5(void, alBuffer3i, ALuint,buffer, ALenum,param, ALint,value1, ALint,value2, ALint,value3)
FORCE_ALIGN void AL_APIENTRY alBuffer3iDirect(ALCcontext *context, ALuint buffer, ALenum param,
ALint value1 [[maybe_unused]], ALint value2 [[maybe_unused]], ALint value3 [[maybe_unused]]) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
context->throw_error(AL_INVALID_ENUM, "Invalid buffer 3-integer property {:#04x}",
as_unsigned(param));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNC3(void, alBufferiv, ALuint,buffer, ALenum,param, const ALint*,values)
FORCE_ALIGN void AL_APIENTRY alBufferivDirect(ALCcontext *context, ALuint buffer, ALenum param,
const ALint *values) noexcept
try {
if(!values)
context->throw_error(AL_INVALID_VALUE, "NULL pointer");
switch(param)
{
case AL_UNPACK_BLOCK_ALIGNMENT_SOFT:
case AL_PACK_BLOCK_ALIGNMENT_SOFT:
case AL_AMBISONIC_LAYOUT_SOFT:
case AL_AMBISONIC_SCALING_SOFT:
case AL_UNPACK_AMBISONIC_ORDER_SOFT:
alBufferiDirect(context, buffer, param, *values);
return;
}
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
ALbuffer *albuf{LookupBuffer(device, buffer)};
if(!albuf)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
switch(param)
{
case AL_LOOP_POINTS_SOFT:
auto vals = al::span{values, 2_uz};
if(albuf->ref.load(std::memory_order_relaxed) != 0)
context->throw_error(AL_INVALID_OPERATION, "Modifying in-use buffer {}'s loop points",
buffer);
if(vals[0] < 0 || vals[0] >= vals[1] || static_cast<ALuint>(vals[1]) > albuf->mSampleLen)
context->throw_error(AL_INVALID_VALUE,
"Invalid loop point range {} -> {} on buffer {}", vals[0], vals[1], buffer);
albuf->mLoopStart = static_cast<ALuint>(vals[0]);
albuf->mLoopEnd = static_cast<ALuint>(vals[1]);
return;
}
context->throw_error(AL_INVALID_ENUM, "Invalid buffer integer-vector property {:#04x}",
as_unsigned(param));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNC3(void, alGetBufferf, ALuint,buffer, ALenum,param, ALfloat*,value)
FORCE_ALIGN void AL_APIENTRY alGetBufferfDirect(ALCcontext *context, ALuint buffer, ALenum param,
ALfloat *value) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
ALbuffer *albuf{LookupBuffer(device, buffer)};
if(!albuf)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
if(!value)
context->throw_error(AL_INVALID_VALUE, "NULL pointer");
switch(param)
{
case AL_SEC_LENGTH_SOFT:
*value = (albuf->mSampleRate < 1) ? 0.0f :
(static_cast<float>(albuf->mSampleLen) / static_cast<float>(albuf->mSampleRate));
return;
}
context->throw_error(AL_INVALID_ENUM, "Invalid buffer float property {:#04x}",
as_unsigned(param));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNC5(void, alGetBuffer3f, ALuint,buffer, ALenum,param, ALfloat*,value1, ALfloat*,value2, ALfloat*,value3)
FORCE_ALIGN void AL_APIENTRY alGetBuffer3fDirect(ALCcontext *context, ALuint buffer, ALenum param,
ALfloat *value1, ALfloat *value2, ALfloat *value3) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
if(!value1 || !value2 || !value3)
context->throw_error(AL_INVALID_VALUE, "NULL pointer");
context->throw_error(AL_INVALID_ENUM, "Invalid buffer 3-float property {:#04x}",
as_unsigned(param));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNC3(void, alGetBufferfv, ALuint,buffer, ALenum,param, ALfloat*,values)
FORCE_ALIGN void AL_APIENTRY alGetBufferfvDirect(ALCcontext *context, ALuint buffer, ALenum param,
ALfloat *values) noexcept
try {
switch(param)
{
case AL_SEC_LENGTH_SOFT:
alGetBufferfDirect(context, buffer, param, values);
return;
}
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
if(!values)
context->throw_error(AL_INVALID_VALUE, "NULL pointer");
context->throw_error(AL_INVALID_ENUM, "Invalid buffer float-vector property {:#04x}",
as_unsigned(param));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNC3(void, alGetBufferi, ALuint,buffer, ALenum,param, ALint*,value)
FORCE_ALIGN void AL_APIENTRY alGetBufferiDirect(ALCcontext *context, ALuint buffer, ALenum param,
ALint *value) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
ALbuffer *albuf{LookupBuffer(device, buffer)};
if(!albuf)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
if(!value)
context->throw_error(AL_INVALID_VALUE, "NULL pointer");
switch(param)
{
case AL_FREQUENCY:
*value = static_cast<ALint>(albuf->mSampleRate);
return;
case AL_BITS:
*value = (albuf->mType == FmtIMA4 || albuf->mType == FmtMSADPCM) ? 4
: static_cast<ALint>(albuf->bytesFromFmt() * 8);
return;
case AL_CHANNELS:
*value = static_cast<ALint>(albuf->channelsFromFmt());
return;
case AL_SIZE:
*value = albuf->mCallback ? 0 : static_cast<ALint>(albuf->mData.size());
return;
case AL_BYTE_LENGTH_SOFT:
*value = static_cast<ALint>(albuf->mSampleLen / albuf->mBlockAlign
* albuf->blockSizeFromFmt());
return;
case AL_SAMPLE_LENGTH_SOFT:
*value = static_cast<ALint>(albuf->mSampleLen);
return;
case AL_UNPACK_BLOCK_ALIGNMENT_SOFT:
*value = static_cast<ALint>(albuf->UnpackAlign);
return;
case AL_PACK_BLOCK_ALIGNMENT_SOFT:
*value = static_cast<ALint>(albuf->PackAlign);
return;
case AL_AMBISONIC_LAYOUT_SOFT:
*value = EnumFromAmbiLayout(albuf->mAmbiLayout);
return;
case AL_AMBISONIC_SCALING_SOFT:
*value = EnumFromAmbiScaling(albuf->mAmbiScaling);
return;
case AL_UNPACK_AMBISONIC_ORDER_SOFT:
*value = static_cast<int>(albuf->UnpackAmbiOrder);
return;
}
context->throw_error(AL_INVALID_ENUM, "Invalid buffer integer property {:#04x}",
as_unsigned(param));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNC5(void, alGetBuffer3i, ALuint,buffer, ALenum,param, ALint*,value1, ALint*,value2, ALint*,value3)
FORCE_ALIGN void AL_APIENTRY alGetBuffer3iDirect(ALCcontext *context, ALuint buffer, ALenum param,
ALint *value1, ALint *value2, ALint *value3) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
if(!value1 || !value2 || !value3)
context->throw_error(AL_INVALID_VALUE, "NULL pointer");
context->throw_error(AL_INVALID_ENUM, "Invalid buffer 3-integer property {:#04x}",
as_unsigned(param));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNC3(void, alGetBufferiv, ALuint,buffer, ALenum,param, ALint*,values)
FORCE_ALIGN void AL_APIENTRY alGetBufferivDirect(ALCcontext *context, ALuint buffer, ALenum param,
ALint *values) noexcept
try {
switch(param)
{
case AL_FREQUENCY:
case AL_BITS:
case AL_CHANNELS:
case AL_SIZE:
case AL_INTERNAL_FORMAT_SOFT:
case AL_BYTE_LENGTH_SOFT:
case AL_SAMPLE_LENGTH_SOFT:
case AL_UNPACK_BLOCK_ALIGNMENT_SOFT:
case AL_PACK_BLOCK_ALIGNMENT_SOFT:
case AL_AMBISONIC_LAYOUT_SOFT:
case AL_AMBISONIC_SCALING_SOFT:
case AL_UNPACK_AMBISONIC_ORDER_SOFT:
alGetBufferiDirect(context, buffer, param, values);
return;
}
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
ALbuffer *albuf{LookupBuffer(device, buffer)};
if(!albuf)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
if(!values)
context->throw_error(AL_INVALID_VALUE, "NULL pointer");
switch(param)
{
case AL_LOOP_POINTS_SOFT:
auto vals = al::span{values, 2_uz};
vals[0] = static_cast<ALint>(albuf->mLoopStart);
vals[1] = static_cast<ALint>(albuf->mLoopEnd);
return;
}
context->throw_error(AL_INVALID_ENUM, "Invalid buffer integer-vector property {:#04x}",
as_unsigned(param));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNCEXT5(void, alBufferCallback,SOFT, ALuint,buffer, ALenum,format, ALsizei,freq, ALBUFFERCALLBACKTYPESOFT,callback, ALvoid*,userptr)
FORCE_ALIGN void AL_APIENTRY alBufferCallbackDirectSOFT(ALCcontext *context, ALuint buffer,
ALenum format, ALsizei freq, ALBUFFERCALLBACKTYPESOFT callback, ALvoid *userptr) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
ALbuffer *albuf{LookupBuffer(device, buffer)};
if(!albuf)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
if(freq < 1)
context->throw_error(AL_INVALID_VALUE, "Invalid sample rate {}", freq);
if(callback == nullptr)
context->throw_error(AL_INVALID_VALUE, "NULL callback");
auto usrfmt = DecomposeUserFormat(format);
if(!usrfmt)
context->throw_error(AL_INVALID_ENUM, "Invalid format {:#04x}", as_unsigned(format));
PrepareCallback(context, albuf, freq, usrfmt->channels, usrfmt->type, callback, userptr);
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNCEXT3(void, alGetBufferPtr,SOFT, ALuint,buffer, ALenum,param, ALvoid**,value)
FORCE_ALIGN void AL_APIENTRY alGetBufferPtrDirectSOFT(ALCcontext *context, ALuint buffer,
ALenum param, ALvoid **value) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
ALbuffer *albuf{LookupBuffer(device, buffer)};
if(!albuf)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
if(!value)
context->throw_error(AL_INVALID_VALUE, "NULL pointer");
switch(param)
{
case AL_BUFFER_CALLBACK_FUNCTION_SOFT:
*value = reinterpret_cast<void*>(albuf->mCallback);
return;
case AL_BUFFER_CALLBACK_USER_PARAM_SOFT:
*value = albuf->mUserData;
return;
}
context->throw_error(AL_INVALID_ENUM, "Invalid buffer pointer property {:#04x}",
as_unsigned(param));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNCEXT5(void, alGetBuffer3Ptr,SOFT, ALuint,buffer, ALenum,param, ALvoid**,value1, ALvoid**,value2, ALvoid**,value3)
FORCE_ALIGN void AL_APIENTRY alGetBuffer3PtrDirectSOFT(ALCcontext *context, ALuint buffer,
ALenum param, ALvoid **value1, ALvoid **value2, ALvoid **value3) noexcept
try {
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
if(!value1 || !value2 || !value3)
context->throw_error(AL_INVALID_VALUE, "NULL pointer");
context->throw_error(AL_INVALID_ENUM, "Invalid buffer 3-pointer property {:#04x}",
as_unsigned(param));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API DECL_FUNCEXT3(void, alGetBufferPtrv,SOFT, ALuint,buffer, ALenum,param, ALvoid**,values)
FORCE_ALIGN void AL_APIENTRY alGetBufferPtrvDirectSOFT(ALCcontext *context, ALuint buffer,
ALenum param, ALvoid **values) noexcept
try {
switch(param)
{
case AL_BUFFER_CALLBACK_FUNCTION_SOFT:
case AL_BUFFER_CALLBACK_USER_PARAM_SOFT:
alGetBufferPtrDirectSOFT(context, buffer, param, values);
return;
}
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
if(LookupBuffer(device, buffer) == nullptr)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
if(!values)
context->throw_error(AL_INVALID_VALUE, "NULL pointer");
context->throw_error(AL_INVALID_ENUM, "Invalid buffer pointer-vector property {:#04x}",
as_unsigned(param));
}
catch(al::base_exception&) {
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
}
AL_API void AL_APIENTRY alBufferSamplesSOFT(ALuint /*buffer*/, ALuint /*samplerate*/,
ALenum /*internalformat*/, ALsizei /*samples*/, ALenum /*channels*/, ALenum /*type*/,
const ALvoid* /*data*/) noexcept
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
context->setError(AL_INVALID_OPERATION, "alBufferSamplesSOFT not supported");
}
AL_API void AL_APIENTRY alBufferSubSamplesSOFT(ALuint /*buffer*/, ALsizei /*offset*/,
ALsizei /*samples*/, ALenum /*channels*/, ALenum /*type*/, const ALvoid* /*data*/) noexcept
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
context->setError(AL_INVALID_OPERATION, "alBufferSubSamplesSOFT not supported");
}
AL_API void AL_APIENTRY alGetBufferSamplesSOFT(ALuint /*buffer*/, ALsizei /*offset*/,
ALsizei /*samples*/, ALenum /*channels*/, ALenum /*type*/, ALvoid* /*data*/) noexcept
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return;
context->setError(AL_INVALID_OPERATION, "alGetBufferSamplesSOFT not supported");
}
AL_API ALboolean AL_APIENTRY alIsBufferFormatSupportedSOFT(ALenum /*format*/) noexcept
{
ContextRef context{GetContextRef()};
if(!context) UNLIKELY return AL_FALSE;
context->setError(AL_INVALID_OPERATION, "alIsBufferFormatSupportedSOFT not supported");
return AL_FALSE;
}
void ALbuffer::SetName(ALCcontext *context, ALuint id, std::string_view name)
{
auto *device = context->mALDevice.get();
auto buflock = std::lock_guard{device->BufferLock};
auto buffer = LookupBuffer(device, id);
if(!buffer)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", id);
device->mBufferNames.insert_or_assign(id, name);
}
BufferSubList::~BufferSubList()
{
if(!Buffers)
return;
uint64_t usemask{~FreeMask};
while(usemask)
{
const int idx{al::countr_zero(usemask)};
std::destroy_at(al::to_address(Buffers->begin() + idx));
usemask &= ~(1_u64 << idx);
}
FreeMask = ~usemask;
SubListAllocator{}.deallocate(Buffers, 1);
Buffers = nullptr;
}
#if ALSOFT_EAX
FORCE_ALIGN DECL_FUNC3(ALboolean, EAXSetBufferMode, ALsizei,n, const ALuint*,buffers, ALint,value)
FORCE_ALIGN ALboolean AL_APIENTRY EAXSetBufferModeDirect(ALCcontext *context, ALsizei n,
const ALuint *buffers, ALint value) noexcept
try {
if(!eax_g_is_enabled)
context->throw_error(AL_INVALID_OPERATION, "EAX not enabled");
const auto storage = EaxStorageFromEnum(value);
if(!storage)
context->throw_error(AL_INVALID_ENUM, "Unsupported X-RAM mode {:#x}", as_unsigned(value));
if(n == 0)
return AL_TRUE;
if(n < 0)
context->throw_error(AL_INVALID_VALUE, "Buffer count {} out of range", n);
if(!buffers)
context->throw_error(AL_INVALID_VALUE, "Null AL buffers");
auto device = context->mALDevice.get();
std::lock_guard<std::mutex> devlock{device->BufferLock};
/* Special-case setting a single buffer, to avoid extraneous allocations. */
if(n == 1)
{
const auto bufid = *buffers;
if(bufid == AL_NONE)
return AL_TRUE;
const auto buffer = LookupBuffer(device, bufid);
if(!buffer)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", bufid);
/* TODO: Is the store location allowed to change for in-use buffers, or
* only when not set/queued on a source?
*/
if(*storage == EaxStorage::Hardware)
{
if(!buffer->eax_x_ram_is_hardware
&& buffer->OriginalSize > device->eax_x_ram_free_size)
context->throw_error(AL_OUT_OF_MEMORY,
"Out of X-RAM memory (need: {}, avail: {})", buffer->OriginalSize,
device->eax_x_ram_free_size);
eax_x_ram_apply(*device, *buffer);
}
else
eax_x_ram_clear(*device, *buffer);
buffer->eax_x_ram_mode = *storage;
return AL_TRUE;
}
/* Validate the buffers. */
std::unordered_set<ALbuffer*> buflist;
for(const ALuint bufid : al::span{buffers, static_cast<ALuint>(n)})
{
if(bufid == AL_NONE)
continue;
const auto buffer = LookupBuffer(device, bufid);
if(!buffer)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", bufid);
/* TODO: Is the store location allowed to change for in-use buffers, or
* only when not set/queued on a source?
*/
buflist.emplace(buffer);
}
if(*storage == EaxStorage::Hardware)
{
size_t total_needed{0};
for(ALbuffer *buffer : buflist)
{
if(!buffer->eax_x_ram_is_hardware)
{
if(std::numeric_limits<size_t>::max() - buffer->OriginalSize < total_needed)
context->throw_error(AL_OUT_OF_MEMORY, "Size overflow ({} + {})",
buffer->OriginalSize, total_needed);
total_needed += buffer->OriginalSize;
}
}
if(total_needed > device->eax_x_ram_free_size)
context->throw_error(AL_OUT_OF_MEMORY, "Out of X-RAM memory (need: {}, avail: {})",
total_needed, device->eax_x_ram_free_size);
}
/* Update the mode. */
for(ALbuffer *buffer : buflist)
{
if(*storage == EaxStorage::Hardware)
eax_x_ram_apply(*device, *buffer);
else
eax_x_ram_clear(*device, *buffer);
buffer->eax_x_ram_mode = *storage;
}
return AL_TRUE;
}
catch(al::base_exception&) {
return AL_FALSE;
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
return AL_FALSE;
}
FORCE_ALIGN DECL_FUNC2(ALenum, EAXGetBufferMode, ALuint,buffer, ALint*,pReserved)
FORCE_ALIGN ALenum AL_APIENTRY EAXGetBufferModeDirect(ALCcontext *context, ALuint buffer,
ALint *pReserved) noexcept
try {
if(!eax_g_is_enabled)
context->throw_error(AL_INVALID_OPERATION, "EAX not enabled.");
if(pReserved)
context->throw_error(AL_INVALID_VALUE, "Non-null reserved parameter");
auto device = context->mALDevice.get();
std::lock_guard<std::mutex> devlock{device->BufferLock};
const auto al_buffer = LookupBuffer(device, buffer);
if(!al_buffer)
context->throw_error(AL_INVALID_NAME, "Invalid buffer ID {}", buffer);
return EnumFromEaxStorage(al_buffer->eax_x_ram_mode);
}
catch(al::base_exception&) {
return AL_NONE;
}
catch(std::exception &e) {
ERR("Caught exception: {}", e.what());
return AL_NONE;
}
#endif // ALSOFT_EAX
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