Move solution and projects to src

src/Ryujinx.Graphics.Nvdec.Vp9/Common/MemoryUtil.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Graphics.Nvdec.Vp9.Common
+{
+    internal static class MemoryUtil
+    {
+        public static unsafe void Copy<T>(T* dest, T* source, int length) where T : unmanaged
+        {
+            new Span<T>(source, length).CopyTo(new Span<T>(dest, length));
+        }
+
+        public static void Copy<T>(ref T dest, ref T source) where T : unmanaged
+        {
+            MemoryMarshal.CreateSpan(ref source, 1).CopyTo(MemoryMarshal.CreateSpan(ref dest, 1));
+        }
+
+        public static unsafe void Fill<T>(T* ptr, T value, int length) where T : unmanaged
+        {
+            new Span<T>(ptr, length).Fill(value);
+        }
+    }
+}