Generate scaling helper functions on IR (#4714)

* Generate scaling helper functions on IR

* Delete unused code

* Split RewriteTextureSample and move gather bias add to an earlier pass

* Remove using

* Shader cache version bump

src/Ryujinx.Graphics.Shader/Translation/Translator.cs

@@ -5,6 +5,7 @@ using Ryujinx.Graphics.Shader.IntermediateRepresentation;
 using Ryujinx.Graphics.Shader.StructuredIr;
 using Ryujinx.Graphics.Shader.Translation.Optimizations;
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper;
 
@@ -44,7 +45,14 @@ namespace Ryujinx.Graphics.Shader.Translation
                 }
             }
 
-            Function[] funcs = new Function[functions.Length];
+            List<Function> funcs = new List<Function>(functions.Length);
+
+            for (int i = 0; i < functions.Length; i++)
+            {
+                funcs.Add(null);
+            }
+
+            HelperFunctionManager hfm = new HelperFunctionManager(funcs, config.Stage);
 
             for (int i = 0; i < functions.Length; i++)
             {
@@ -71,7 +79,7 @@ namespace Ryujinx.Graphics.Shader.Translation
                     Ssa.Rename(cfg.Blocks);
 
                     Optimizer.RunPass(cfg.Blocks, config);
-                    Rewriter.RunPass(cfg.Blocks, config);
+                    Rewriter.RunPass(hfm, cfg.Blocks, config);
                 }
 
                 funcs[i] = new Function(cfg.Blocks, $"fun{i}", false, inArgumentsCount, outArgumentsCount);