From aff8fdb2f8a72e64994ce597cb281359524aa08b Mon Sep 17 00:00:00 2001
From: Samuliak <samuliak77@gmail.com>
Date: Thu, 16 May 2024 15:55:03 +0200
Subject: [PATCH] add: vertex and instance id arguments

---
 src/Ryujinx.Graphics.Shader/CodeGen/Msl/MslGenerator.cs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Ryujinx.Graphics.Shader/CodeGen/Msl/MslGenerator.cs b/src/Ryujinx.Graphics.Shader/CodeGen/Msl/MslGenerator.cs
index 0d0d7470d..745723f6d 100644
--- a/src/Ryujinx.Graphics.Shader/CodeGen/Msl/MslGenerator.cs
+++ b/src/Ryujinx.Graphics.Shader/CodeGen/Msl/MslGenerator.cs
@@ -113,6 +113,13 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Msl
                     }
                 }
 
+                // TODO: add these only if they are used
+                if (stage == ShaderStage.Vertex)
+                {
+                    args = args.Append("uint vertex_id [[vertex_id]]").ToArray();
+                    args = args.Append("uint instance_id [[instance_id]]").ToArray();
+                }
+
                 foreach (var constantBuffer in context.Properties.ConstantBuffers.Values)
                 {
                     var varType = constantBuffer.Type.Fields[0].Type & ~AggregateType.Array;