Implement Force Early Z Register (#1755)

Ryujinx.Graphics.Gpu/Shader/Cache/Definition/GuestGpuAccessorHeader.cs

@@ -55,8 +55,8 @@ namespace Ryujinx.Graphics.Gpu.Shader.Cache.Definition
         public ushort Reserved2;
 
         /// <summary>
-        /// Unused/reserved.
+        /// GPU boolean state that can influence shader compilation.
         /// </summary>
-        public byte Reserved3;
+        public GuestGpuStateFlags StateFlags;
     }
 }

Ryujinx.Graphics.Gpu/Shader/Cache/Definition/GuestGpuStateFlags.cs

@@ -0,0 +1,10 @@
+using System;
+
+namespace Ryujinx.Graphics.Gpu.Shader.Cache.Definition
+{
+    [Flags]
+    enum GuestGpuStateFlags : byte
+    {
+        EarlyZForce = 1 << 0
+    }
+}