First special instruction

src/Ryujinx.Graphics.Shader/CodeGen/Msl/Instructions/InstGen.cs

@@ -3,6 +3,7 @@ using Ryujinx.Graphics.Shader.StructuredIr;
 using Ryujinx.Graphics.Shader.Translation;
 using System;
 
+using static Ryujinx.Graphics.Shader.CodeGen.Msl.Instructions.InstGenCall;
 using static Ryujinx.Graphics.Shader.CodeGen.Msl.Instructions.InstGenHelper;
 using static Ryujinx.Graphics.Shader.StructuredIr.InstructionInfo;
 
@@ -105,7 +106,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Msl.Instructions
                     case Instruction.Barrier:
                         return "|| BARRIER ||";
                     case Instruction.Call:
-                        return "|| CALL ||";
+                        return Call(context, operation);
                     case Instruction.FSIBegin:
                         return "|| FSI BEGIN ||";
                     case Instruction.FSIEnd:

src/Ryujinx.Graphics.Shader/CodeGen/Msl/Instructions/InstGenCall.cs

@@ -0,0 +1,25 @@
+using Ryujinx.Graphics.Shader.StructuredIr;
+
+using static Ryujinx.Graphics.Shader.CodeGen.Msl.Instructions.InstGenHelper;
+
+namespace Ryujinx.Graphics.Shader.CodeGen.Msl.Instructions
+{
+    static class InstGenCall
+    {
+        public static string Call(CodeGenContext context, AstOperation operation)
+        {
+            AstOperand funcId = (AstOperand)operation.GetSource(0);
+
+            var functon = context.GetFunction(funcId.Value);
+
+            string[] args = new string[operation.SourcesCount - 1];
+
+            for (int i = 0; i < args.Length; i++)
+            {
+                args[i] = GetSourceExpr(context, operation.GetSource(i + 1), functon.GetArgumentType(i));
+            }
+
+            return $"{functon.Name}({string.Join(", ", args)})";
+        }
+    }
+}

src/Ryujinx.Graphics.Shader/CodeGen/Msl/Instructions/InstGenHelper.cs

@@ -2,6 +2,8 @@ using Ryujinx.Graphics.Shader.IntermediateRepresentation;
 using Ryujinx.Graphics.Shader.StructuredIr;
 using Ryujinx.Graphics.Shader.Translation;
 
+using static Ryujinx.Graphics.Shader.CodeGen.Msl.TypeConversion;
+
 namespace Ryujinx.Graphics.Shader.CodeGen.Msl.Instructions
 {
     static class InstGenHelper
@@ -140,9 +142,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Msl.Instructions
 
         public static string GetSourceExpr(CodeGenContext context, IAstNode node, AggregateType dstType)
         {
-            // TODO: Implement this
+            return ReinterpretCast(context, node, OperandManager.GetNodeDestType(context, node), dstType);
-            // return ReinterpretCast(context, node, OperandManager.GetNodeDestType(context, node), dstType);
-            return "";
         }
 
         public static string Enclose(string expr, IAstNode node, Instruction pInst, bool isLhs)