1 files changed, 25 insertions, 0 deletions
diff --git a/src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenShuffle.cs b/src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenShuffle.cs
new file mode 100644
index 00000000..6d3859ef
--- /dev/null
+++ b/src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenShuffle.cs
@@ -0,0 +1,25 @@
+using Ryujinx.Graphics.Shader.StructuredIr;
+using Ryujinx.Graphics.Shader.Translation;
+
+using static Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions.InstGenHelper;
+
+namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
+{
+    static class InstGenShuffle
+    {
+        public static string Shuffle(CodeGenContext context, AstOperation operation)
+        {
+            string value = GetSoureExpr(context, operation.GetSource(0), AggregateType.FP32);
+            string index = GetSoureExpr(context, operation.GetSource(1), AggregateType.U32);
+
+            if (context.HostCapabilities.SupportsShaderBallot)
+            {
+                return $"readInvocationARB({value}, {index})";
+            }
+            else
+            {
+                return $"subgroupShuffle({value}, {index})";
+            }
+        }
+    }
+}