Implement Shader Instructions SUATOM and SURED (#2090)

* Initial Implementation

* Further improvements (no support for float/64-bit types)

* Merge atomic and reduce instructions, add missing format switch

* Fix rebase issues.

* Not used.

* Whoops. Fixed.

* Partial implementation of inc/dec, cleanup and TODOs

* Remove testing path

* Address Feedback

Ryujinx.Graphics.Shader/IntermediateRepresentation/TextureFlags.cs

@@ -13,6 +13,19 @@ namespace Ryujinx.Graphics.Shader.IntermediateRepresentation
         LodBias     = 1 << 4,
         LodLevel    = 1 << 5,
         Offset      = 1 << 6,
-        Offsets     = 1 << 7
+        Offsets     = 1 << 7,
+
+        AtomicMask  = 15 << 16,
+
+        Add         = 0 << 16,
+        Minimum     = 1 << 16,
+        Maximum     = 2 << 16,
+        Increment   = 3 << 16,
+        Decrement   = 4 << 16,
+        BitwiseAnd  = 5 << 16,
+        BitwiseOr   = 6 << 16,
+        BitwiseXor  = 7 << 16,
+        Swap        = 8 << 16,
+        CAS         = 9 << 16
     }
 }