From a7a3a17b487045f29f276b4ae914ae988548d7f5 Mon Sep 17 00:00:00 2001
From: stossy11 <stossy11@noreply.localhost>
Date: Wed, 2 Sep 2026 07:08:07 -0400
Subject: [PATCH] Fix fragment ClipDistance SPIR-V lookup

- Fixed ClipDistance being treated as VTG gl_PerVertex block, Causing the lookup of Input.Position when it's undeclared.

(cherry picked from commit 5d3e39208266c77a6db737638acfc6934baa331a)
---
 src/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs b/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs
index 8bae96ef7..f046796d5 100644
--- a/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs
+++ b/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs
@@ -1773,7 +1773,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
                     {
                         (_, varType) = IoMap.GetSpirvBuiltIn(ioVariable);
 
-                        if (IoMap.IsPerVertexBuiltIn(ioVariable))
+                        if (context.Definitions.Stage.IsVtg() && IoMap.IsPerVertexBuiltIn(ioVariable))
                         {
                             perVertexBuiltIn = ioVariable;
                             ioVariable = IoVariable.Position;