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using Ryujinx.Common.Memory ;
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using System.Runtime.CompilerServices ;
namespace Ryujinx.Audio.Renderer.Common
{
/// <summary>
Audio rendering: reduce memory allocations (#6604)
* - WritableRegion: enable wrapping IMemoryOwner<byte>
- IVirtualMemoryManager impls of GetWritableRegion() use pooled memory when region is non-contiguous.
- IVirtualMemoryManager: add GetReadOnlySequence() and impls
- ByteMemoryPool: add new method RentCopy()
- ByteMemoryPool: make class static, remove ctor and singleton field from earlier impl
* - BytesReadOnlySequenceSegment: move from Ryujinx.Common.Memory to Ryujinx.Memory
- BytesReadOnlySequenceSegment: add IsContiguousWith() and Replace() methods
- VirtualMemoryManagerBase:
- remove generic type parameters, instead use ulong for virtual addresses and nuint for host/physical addresses
- implement IWritableBlock
- add virtual GetReadOnlySequence() with coalescing of contiguous segments
- add virtual GetSpan()
- add virtual GetWritableRegion()
- add abstract IsMapped()
- add virtual MapForeign(ulong, nuint, ulong)
- add virtual Read<T>()
- add virtual Read(ulong, Span<byte>)
- add virtual ReadTracked<T>()
- add virtual SignalMemoryTracking()
- add virtual Write()
- add virtual Write<T>()
- add virtual WriteUntracked()
- add virtual WriteWithRedundancyCheck()
- VirtualMemoryManagerRefCountedBase: remove generic type parameters
- AddressSpaceManager: remove redundant methods, add required overrides
- HvMemoryManager: remove redundant methods, add required overrides, add overrides for _invalidAccessHandler handling
- MemoryManager: remove redundant methods, add required overrides, add overrides for _invalidAccessHandler handling
- MemoryManagerHostMapped: remove redundant methods, add required overrides, add overrides for _invalidAccessHandler handling
- NativeMemoryManager: add get properties for Pointer and Length
- throughout: removed invalid <inheritdoc/> comments
* - WritableRegion: enable wrapping IMemoryOwner<byte>
- IVirtualMemoryManager impls of GetWritableRegion() use pooled memory when region is non-contiguous.
- IVirtualMemoryManager: add GetReadOnlySequence() and impls
- ByteMemoryPool: add new method RentCopy()
- ByteMemoryPool: make class static, remove ctor and singleton field from earlier impl
* add PagedMemoryRange enumerator types, use them in IVirtualMemoryManager implementations to consolidate page-handling logic and add a new capability - the coalescing of pages for consolidating memory copies and segmentation.
* new: more tests for PagedMemoryRangeCoalescingEnumerator showing coalescing of contiguous segments
* make some struct properties readonly
* put braces around `foreach` bodies
* encourage inlining of some PagedMemoryRange*Enumerator members
* DynamicRingBuffer:
- use ByteMemoryPool
- make some methods return without locking when size/count argument = 0
- make generic Read<T>()/Write<T>() non-generic because its only usage is as T = byte
- change Read(byte[]...) to Read(Span<byte>...)
- change Write(byte[]...) to Write(Span<byte>...)
* change IAudioRenderer.RequestUpdate() to take a ReadOnlySequence<byte>, enabling zero-copy audio rendering
* HipcGenerator: support ReadOnlySequence<byte> as IPC method parameter
* change IAudioRenderer/AudioRenderer RequestUpdate* methods to take input as ReadOnlySequence<byte>
* MemoryManagerHostTracked: use rented memory when contiguous in `GetWritableRegion()`
* rebase cleanup
* dotnet format fixes
* format and comment fixes
* format long parameter list - take 2
* - add support to HipcGenerator for buffers of type `Memory<byte>`
- change `AudioRenderer` `RequestUpdate()` and `RequestUpdateAuto()` to use Memory<byte> for output buffers, removing another memory block allocation/copy
* SplitterContext `UpdateState()` and `UpdateData()` smooth out advance/rewind logic, only rewind if magic is invalid
* DynamicRingBuffer.Write(): change Span<byte> to ReadOnlySpan<byte>
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/// Update data header used for input and output of <see cref="Server.AudioRenderSystem.Update(System.Memory{byte}, System.Memory{byte}, System.Buffers.ReadOnlySequence{byte})"/>.
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/// </summary>
public struct UpdateDataHeader
{
public int Revision ;
public uint BehaviourSize ;
public uint MemoryPoolsSize ;
public uint VoicesSize ;
public uint VoiceResourcesSize ;
public uint EffectsSize ;
public uint MixesSize ;
public uint SinksSize ;
public uint PerformanceBufferSize ;
public uint Unknown24 ;
public uint RenderInfoSize ;
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private Array4 < int > _reserved ;
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public uint TotalSize ;
public void Initialize ( int revision )
{
Revision = revision ;
TotalSize = ( uint ) Unsafe . SizeOf < UpdateDataHeader > ( ) ;
}
}
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}