1 files changed, 45 insertions, 0 deletions
diff --git a/Ryujinx.Graphics.Vulkan/NativeArray.cs b/Ryujinx.Graphics.Vulkan/NativeArray.cs
new file mode 100644
index 00000000..9d66ce8d
--- /dev/null
+++ b/Ryujinx.Graphics.Vulkan/NativeArray.cs
@@ -0,0 +1,45 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Graphics.Vulkan
+{
+    unsafe class NativeArray<T> : IDisposable where T : unmanaged
+    {
+        public T* Pointer { get; private set; }
+        public int Length { get; }
+
+        public ref T this[int index]
+        {
+            get => ref Pointer[Checked(index)];
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private int Checked(int index)
+        {
+            if ((uint)index >= (uint)Length)
+            {
+                throw new IndexOutOfRangeException();
+            }
+
+            return index;
+        }
+
+        public NativeArray(int length)
+        {
+            Pointer = (T*)Marshal.AllocHGlobal(checked(length * Unsafe.SizeOf<T>()));
+            Length = length;
+        }
+
+        public Span<T> ToSpan()
+        {
+            return new Span<T>(Pointer, Length);
+        }
+
+        public void Dispose()
+        {
+            Marshal.FreeHGlobal((IntPtr)Pointer);
+            Pointer = null;
+        }
+    }
+}