From 4cef44eeb28a705729ddf88d8c09b8f7005ed034 Mon Sep 17 00:00:00 2001
From: Hog <hogman12333@gmail.com>
Date: Mon, 8 Jun 2026 19:49:49 +0100
Subject: [PATCH] Add stencil reference variable definition

---
 src/shader_recompiler/backend/spirv/spirv_emit_context.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
index aeba658cb..1fc33b2fa 100644
--- a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
+++ b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
@@ -675,6 +675,10 @@ void EmitContext::DefineOutputs() {
             sample_mask = DefineVariable(TypeArray(U32[1], u32_one_value), spv::BuiltIn::SampleMask,
                                          spv::StorageClass::Output);
         }
+        if (info.stores.Get(IR::Attribute::StencilRef)) {
+            stencil_ref = DefineVariable(S32[1], spv::BuiltIn::FragStencilRefEXT,
+                                         spv::StorageClass::Output);
+        }
         u32 num_render_targets = 0;
         for (u32 i = 0; i < IR::NumRenderTargets; i++) {
             const IR::Attribute mrt{IR::Attribute::RenderTarget0 + i};