More Shader Gen Stuff

Mostly copied from GLSL since in terms of syntax within blocks they’re pretty similar. Likely the result will need tweaking…

Isn’t that conveniant?

“Do the simd_shuffle”

atomics

Remaining instructions

Remove removed special instructions

Getting somewhere…

src/Ryujinx.Graphics.Shader/CodeGen/Msl/CodeGenContext.cs

@@ -8,9 +8,14 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Msl
     {
         public const string Tab = "    ";
 
+        public StructuredFunction CurrentFunction { get; set; }
+
         public StructuredProgramInfo Info { get; }
+
         public ShaderConfig Config { get; }
 
+        public OperandManager OperandManager { get;  }
+
         private readonly StringBuilder _sb;
 
         private int _level;
@@ -22,6 +27,8 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Msl
             Info = info;
             Config = config;
 
+            OperandManager = new OperandManager();
+
             _sb = new StringBuilder();
         }