From 8326248542c2196b4a4ba80f068adb8a0edd6006 Mon Sep 17 00:00:00 2001
From: Ellie Hermaszewska <ellieh@nvidia.com>
Date: Thu, 28 Sep 2023 02:46:03 +0800
Subject: WIP Mesh shaders for SPIR-V (#3226)

* SPIR-V impl for SetMeshOutputCounts and DispatchMesh

* Unsightly fix for legalization ordering differences between GLSL and SPIR-V

* spelling

* Start a new block after terminating one in the OpEmitMeshTasksExt SPIR-V asm block

* Emit mesh shader decorations in SPIR-V

* Mesh and task shader stages for spir-v

* Output explicit gl builtins for spir-v

* Be more hygenic when SOAizing mesh outputs

* Do not create builtin paramter block for spirv mesh outputs

* Pass mesh payloads around by ref

* comment

* less expected failure

* remove unused

* Add spirv op

* Correct type query for default flat modifier

---------

Co-authored-by: Yong He <yonghe@outlook.com>
---
 source/slang/slang-ir.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

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

diff --git a/source/slang/slang-ir.cpp b/source/slang/slang-ir.cpp
index 5fa558e15..675667dbc 100644
--- a/source/slang/slang-ir.cpp
+++ b/source/slang/slang-ir.cpp
@@ -4288,6 +4288,20 @@ namespace Slang
         return globalVar;
     }
 
+    IRGlobalVar* IRBuilder::createGlobalVar(
+        IRType*         valueType,
+        IRIntegerValue  addressSpace)
+    {
+        auto ptrType = getPtrType(kIROp_PtrType, valueType, addressSpace);
+        IRGlobalVar* globalVar = createInst<IRGlobalVar>(
+            this,
+            kIROp_GlobalVar,
+            ptrType);
+        _maybeSetSourceLoc(globalVar);
+        addGlobalValue(this, globalVar);
+        return globalVar;
+    }
+
     IRGlobalParam* IRBuilder::createGlobalParam(
         IRType* valueType)
     {
-- 
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