Initial work

Ryujinx.Graphics.GAL/BufferRange.cs

@@ -0,0 +1,21 @@
+namespace Ryujinx.Graphics.GAL
+{
+    public struct BufferRange
+    {
+        private static BufferRange _empty = new BufferRange(null, 0, 0);
+
+        public BufferRange Empty => _empty;
+
+        public IBuffer Buffer { get; }
+
+        public int Offset { get; }
+        public int Size   { get; }
+
+        public BufferRange(IBuffer buffer, int offset, int size)
+        {
+            Buffer = buffer;
+            Offset = offset;
+            Size   = size;
+        }
+    }
+}