Implement Depth Clamping (#1120)

* Implement Depth Clamping and add misc enums

* Fix formatting

Ryujinx.Graphics.Gpu/State/YControl.cs

@@ -0,0 +1,11 @@
+using System;
+
+namespace Ryujinx.Graphics.Gpu.State
+{
+    [Flags]
+    enum YControl
+    {
+        NegateY          = 1 << 0,
+        TriangleRastFlip = 1 << 4
+    }
+}