diff options
| author | TSR Berry <20988865+TSRBerry@users.noreply.github.com> | 2023-04-08 01:22:00 +0200 |
|---|---|---|
| committer | Mary <thog@protonmail.com> | 2023-04-27 23:51:14 +0200 |
| commit | cee712105850ac3385cd0091a923438167433f9f (patch) | |
| tree | 4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /src/Ryujinx.Audio/Renderer/Utils/SpanMemoryManager.cs | |
| parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) | |
Move solution and projects to src
Diffstat (limited to 'src/Ryujinx.Audio/Renderer/Utils/SpanMemoryManager.cs')
| -rw-r--r-- | src/Ryujinx.Audio/Renderer/Utils/SpanMemoryManager.cs | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/Ryujinx.Audio/Renderer/Utils/SpanMemoryManager.cs b/src/Ryujinx.Audio/Renderer/Utils/SpanMemoryManager.cs new file mode 100644 index 00000000..2c48da6a --- /dev/null +++ b/src/Ryujinx.Audio/Renderer/Utils/SpanMemoryManager.cs @@ -0,0 +1,43 @@ +using System; +using System.Buffers; +using System.Runtime.InteropServices; + +namespace Ryujinx.Audio.Renderer.Utils +{ + public sealed unsafe class SpanMemoryManager<T> : MemoryManager<T> + where T : unmanaged + { + private readonly T* _pointer; + private readonly int _length; + + public SpanMemoryManager(Span<T> span) + { + fixed (T* ptr = &MemoryMarshal.GetReference(span)) + { + _pointer = ptr; + _length = span.Length; + } + } + + public override Span<T> GetSpan() => new Span<T>(_pointer, _length); + + public override MemoryHandle Pin(int elementIndex = 0) + { + if (elementIndex < 0 || elementIndex >= _length) + { + throw new ArgumentOutOfRangeException(nameof(elementIndex)); + } + + return new MemoryHandle(_pointer + elementIndex); + } + + public override void Unpin() { } + + protected override void Dispose(bool disposing) { } + + public static Memory<T> Cast<TFrom>(Memory<TFrom> memory) where TFrom : unmanaged + { + return new SpanMemoryManager<T>(MemoryMarshal.Cast<TFrom, T>(memory.Span)).Memory; + } + } +}
\ No newline at end of file |