R/Ryujinx.Memory/NativeMemoryManager.cs

43 lines
1.1 KiB
C#
Raw Normal View History

using System;
using System.Buffers;
namespace Ryujinx.Memory
{
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.
}
}
}