diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp
index a17515887..ded073595 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp
@@ -14,6 +14,10 @@ Id EmitLaneId(EmitContext& ctx) {
     return ctx.OpLoad(ctx.U32[1], ctx.subgroup_local_invocation_id);
 }
 
+Id EmitWarpId(EmitContext& ctx) {
+    return ctx.OpLoad(ctx.U32[1], ctx.subgroup_id);
+}
+
 Id EmitQuadShuffle(EmitContext& ctx, Id value, Id index) {
     return ctx.OpGroupNonUniformQuadBroadcast(ctx.U32[1], SubgroupScope(ctx), value, index);
 }