Initial work

Ryujinx.Graphics.GAL/Extents2D.cs

@@ -0,0 +1,18 @@
+namespace Ryujinx.Graphics.GAL
+{
+    public struct Extents2D
+    {
+        public int X1 { get; }
+        public int Y1 { get; }
+        public int X2 { get; }
+        public int Y2 { get; }
+
+        public Extents2D(int x1, int y1, int x2, int y2)
+        {
+            X1 = x1;
+            Y1 = y1;
+            X2 = x2;
+            Y2 = y2;
+        }
+    }
+}