From 2d0912bfe2de7799b32e80722fa5c8dc279a339b Mon Sep 17 00:00:00 2001
From: Ellie Hermaszewska <ellieh@nvidia.com>
Date: Wed, 31 Jan 2024 03:28:04 +0800
Subject: Correctly apply glsl local size layout to entry points during
 lowering (#3528)

* Correctly apply glsl local size layout to entry points during lowering

* Test for glsl layout correctness
---
 source/slang/slang-ir.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'source/slang/slang-ir.cpp')

diff --git a/source/slang/slang-ir.cpp b/source/slang/slang-ir.cpp
index 1dbb21a0d..94de28089 100644
--- a/source/slang/slang-ir.cpp
+++ b/source/slang/slang-ir.cpp
@@ -5032,6 +5032,19 @@ namespace Slang
             getIntValue(getIntType(), (IRIntegerValue)mode));
     }
 
+    IRInst* IRBuilder::addNumThreadsDecoration(IRInst* inst, Int x, Int y, Int z)
+    {
+        IRType* intType = getIntType();
+
+        IRInst* operands[3] = {
+            getIntValue(intType, x),
+            getIntValue(intType, y),
+            getIntValue(intType, z)
+        };
+
+        return addDecoration(inst, kIROp_NumThreadsDecoration, operands, 3);
+    }
+
     IRInst* IRBuilder::emitSwizzle(
         IRType*         type,
         IRInst*         base,
-- 
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