From d7ad93a88864bda94e282e95028f90b5784e4d20 Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Wed, 23 Nov 2022 17:17:31 -0500
Subject: Add OpDemoteToHelperInvocation, OpTerminateInvocation

---
 externals/SPIRV-Headers   |  2 +-
 include/sirit/sirit.h     |  6 +++++-
 src/instructions/flow.cpp | 11 ++++++++++-
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/externals/SPIRV-Headers b/externals/SPIRV-Headers
index a3fdfe8..c214f6f 160000
--- a/externals/SPIRV-Headers
+++ b/externals/SPIRV-Headers
@@ -1 +1 @@
-Subproject commit a3fdfe81465d57efc97cfd28ac6c8190fb31a6c8
+Subproject commit c214f6f2d1a7253bb0e9f195c2dc5b0659dc99ef
diff --git a/include/sirit/sirit.h b/include/sirit/sirit.h
index af63d69..6ced1a8 100644
--- a/include/sirit/sirit.h
+++ b/include/sirit/sirit.h
@@ -309,12 +309,16 @@ public:
     /// Return a value from a function.
     Id OpReturnValue(Id value);
 
-    /// Fragment-shader discard.
+    /// Deprecated fragment-shader discard.
     void OpKill();
 
     /// Demote fragment shader invocation to a helper invocation
+    void OpDemoteToHelperInvocation();
     void OpDemoteToHelperInvocationEXT();
 
+    /// Fragment-shader discard.
+    void OpTerminateInvocation();
+
     // Debug
 
     /// Assign a name string to a reference.
diff --git a/src/instructions/flow.cpp b/src/instructions/flow.cpp
index e462dcb..5f6b693 100644
--- a/src/instructions/flow.cpp
+++ b/src/instructions/flow.cpp
@@ -92,9 +92,18 @@ void Module::OpKill() {
     *code << spv::Op::OpKill << EndOp{};
 }
 
+void Module::OpDemoteToHelperInvocation() {
+    code->Reserve(1);
+    *code << spv::Op::OpDemoteToHelperInvocation << EndOp{};
+}
+
 void Module::OpDemoteToHelperInvocationEXT() {
+    OpDemoteToHelperInvocation();
+}
+
+void Module::OpTerminateInvocation() {
     code->Reserve(1);
-    *code << spv::Op::OpDemoteToHelperInvocationEXT << EndOp{};
+    *code << spv::Op::OpTerminateInvocation << EndOp{};
 }
 
 } // namespace Sirit
-- 
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