Move solution and projects to src

src/Ryujinx.Graphics.Nvdec/MemoryExtensions.cs

@@ -0,0 +1,28 @@
+using Ryujinx.Graphics.Gpu.Memory;
+using System;
+
+namespace Ryujinx.Graphics.Nvdec
+{
+    static class MemoryExtensions
+    {
+        public static T DeviceRead<T>(this MemoryManager gmm, uint offset) where T : unmanaged
+        {
+            return gmm.Read<T>((ulong)offset << 8);
+        }
+
+        public static ReadOnlySpan<byte> DeviceGetSpan(this MemoryManager gmm, uint offset, int size)
+        {
+            return gmm.GetSpan((ulong)offset << 8, size);
+        }
+
+        public static void DeviceWrite(this MemoryManager gmm, uint offset, ReadOnlySpan<byte> data)
+        {
+            gmm.Write((ulong)offset << 8, data);
+        }
+
+        public static ulong ExtendOffset(uint offset)
+        {
+            return (ulong)offset << 8;
+        }
+    }
+}