From 3a59fffaa16838985f9f953f30d1af4aa0f86252 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Tue, 16 Feb 2021 19:48:58 -0300
Subject: spirv: Implement EmitIdentity

---
 src/shader_recompiler/backend/spirv/emit_spirv.cpp | 4 ++--
 src/shader_recompiler/backend/spirv/emit_spirv.h   | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.cpp b/src/shader_recompiler/backend/spirv/emit_spirv.cpp
index c79c09774..55018332e 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv.cpp
@@ -180,8 +180,8 @@ Id EmitSPIRV::EmitPhi(EmitContext& ctx, IR::Inst* inst) {
 
 void EmitSPIRV::EmitVoid(EmitContext&) {}
 
-void EmitSPIRV::EmitIdentity(EmitContext&) {
-    throw NotImplementedException("SPIR-V Instruction");
+Id EmitSPIRV::EmitIdentity(EmitContext& ctx, const IR::Value& value) {
+    return ctx.Def(value);
 }
 
 void EmitSPIRV::EmitGetZeroFromOp(EmitContext&) {
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.h b/src/shader_recompiler/backend/spirv/emit_spirv.h
index a5d0e1ec0..8bde82613 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv.h
+++ b/src/shader_recompiler/backend/spirv/emit_spirv.h
@@ -23,7 +23,7 @@ private:
     // Microinstruction emitters
     Id EmitPhi(EmitContext& ctx, IR::Inst* inst);
     void EmitVoid(EmitContext& ctx);
-    void EmitIdentity(EmitContext& ctx);
+    Id EmitIdentity(EmitContext& ctx, const IR::Value& value);
     void EmitBranch(EmitContext& ctx, IR::Block* label);
     void EmitBranchConditional(EmitContext& ctx, Id condition, IR::Block* true_label,
                                IR::Block* false_label);
-- 
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