1 files changed, 56 insertions, 0 deletions
diff --git a/src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenPacking.cs b/src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenPacking.cs
new file mode 100644
index 00000000..5a888e9c
--- /dev/null
+++ b/src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenPacking.cs
@@ -0,0 +1,56 @@
+using Ryujinx.Graphics.Shader.StructuredIr;
+using System;
+
+using static Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions.InstGenHelper;
+using static Ryujinx.Graphics.Shader.StructuredIr.InstructionInfo;
+
+namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
+{
+    static class InstGenPacking
+    {
+        public static string PackDouble2x32(CodeGenContext context, AstOperation operation)
+        {
+            IAstNode src0 = operation.GetSource(0);
+            IAstNode src1 = operation.GetSource(1);
+
+            string src0Expr = GetSoureExpr(context, src0, GetSrcVarType(operation.Inst, 0));
+            string src1Expr = GetSoureExpr(context, src1, GetSrcVarType(operation.Inst, 1));
+
+            return $"packDouble2x32(uvec2({src0Expr}, {src1Expr}))";
+        }
+
+        public static string PackHalf2x16(CodeGenContext context, AstOperation operation)
+        {
+            IAstNode src0 = operation.GetSource(0);
+            IAstNode src1 = operation.GetSource(1);
+
+            string src0Expr = GetSoureExpr(context, src0, GetSrcVarType(operation.Inst, 0));
+            string src1Expr = GetSoureExpr(context, src1, GetSrcVarType(operation.Inst, 1));
+
+            return $"packHalf2x16(vec2({src0Expr}, {src1Expr}))";
+        }
+
+        public static string UnpackDouble2x32(CodeGenContext context, AstOperation operation)
+        {
+            IAstNode src = operation.GetSource(0);
+
+            string srcExpr = GetSoureExpr(context, src, GetSrcVarType(operation.Inst, 0));
+
+            return $"unpackDouble2x32({srcExpr}){GetMask(operation.Index)}";
+        }
+
+        public static string UnpackHalf2x16(CodeGenContext context, AstOperation operation)
+        {
+            IAstNode src = operation.GetSource(0);
+
+            string srcExpr = GetSoureExpr(context, src, GetSrcVarType(operation.Inst, 0));
+
+            return $"unpackHalf2x16({srcExpr}){GetMask(operation.Index)}";
+        }
+
+        private static string GetMask(int index)
+        {
+            return $".{"xy".AsSpan(index, 1)}";
+        }
+    }
+}
+\ No newline at end of file