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Diffstat (limited to 'src/Ryujinx.Memory/NativeMemoryManager.cs')
-rw-r--r-- | src/Ryujinx.Memory/NativeMemoryManager.cs | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/Ryujinx.Memory/NativeMemoryManager.cs b/src/Ryujinx.Memory/NativeMemoryManager.cs new file mode 100644 index 00000000..d1757935 --- /dev/null +++ b/src/Ryujinx.Memory/NativeMemoryManager.cs @@ -0,0 +1,42 @@ +using System; +using System.Buffers; + +namespace Ryujinx.Memory +{ + public unsafe class NativeMemoryManager<T> : MemoryManager<T> where T : unmanaged + { + private readonly T* _pointer; + private readonly int _length; + + public NativeMemoryManager(T* pointer, int length) + { + _pointer = pointer; + _length = length; + } + + public override Span<T> GetSpan() + { + return new Span<T>((void*)_pointer, _length); + } + + public override MemoryHandle Pin(int elementIndex = 0) + { + if ((uint)elementIndex >= _length) + { + throw new ArgumentOutOfRangeException(nameof(elementIndex)); + } + + return new MemoryHandle((void*)(_pointer + elementIndex)); + } + + public override void Unpin() + { + // No need to do anything as pointer already points no native memory, not GC tracked. + } + + protected override void Dispose(bool disposing) + { + // Nothing to dispose, MemoryBlock still owns the memory. + } + } +} |