From 7c6b71bcbd7821e251541f5dd723428d7bd5a2ed Mon Sep 17 00:00:00 2001
From: Dynamitos <dynamitos15@gmail.com>
Date: Wed, 28 Aug 2024 21:07:49 +0200
Subject: Metal: Mesh Shaders (#4280)

* Metal: mesh shading skeleton

* Metal: fixing mesh payload

* Metal: improving mesh shader indices output

* Metal: Implementing conditional mesh output set

* Metal: Trying to not break other backends

* Metal: trying to fix mesh output set

* Metal: Fixing MeshOutputSet usages

* Metal: Fixing vertex and primitive semantics

* Metal: Fixing code style

* Metal: Fixed hlsl indices set

* Fixed HLSL mesh output set disappearing and GLSL mesh output crashing

* Metal: Adjusting task test matching

---------

Co-authored-by: Yong He <yonghe@outlook.com>
---
 source/slang/slang-ir.cpp | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

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

diff --git a/source/slang/slang-ir.cpp b/source/slang/slang-ir.cpp
index 6a76ccce3..acc6abd57 100644
--- a/source/slang/slang-ir.cpp
+++ b/source/slang/slang-ir.cpp
@@ -5380,6 +5380,32 @@ namespace Slang
         return emitSwizzle(type, base, elementCount, irElementIndices);
     }
 
+    IRMetalSetVertex* IRBuilder::emitMetalSetVertex(
+        IRInst* index,
+        IRInst* vertex)
+    {
+        auto inst = createInst<IRMetalSetVertex>(this, kIROp_MetalSetVertex, getVoidType(), index, vertex);
+        addInst(inst);
+        return inst;
+    }
+
+    IRMetalSetPrimitive* IRBuilder::emitMetalSetPrimitive(
+        IRInst* index,
+        IRInst* primitive)
+    {
+        auto inst = createInst<IRMetalSetPrimitive>(this, kIROp_MetalSetVertex, getVoidType(), index, primitive);
+        addInst(inst);
+        return inst;
+    }
+
+    IRMetalSetIndices* IRBuilder::emitMetalSetIndices(
+        IRInst* index,
+        IRInst* indices)
+    {
+        auto inst = createInst<IRMetalSetIndices>(this, kIROp_MetalSetVertex, getVoidType(), index, indices);
+        addInst(inst);
+        return inst;
+    }
 
     IRInst* IRBuilder::emitSwizzleSet(
         IRType*         type,
-- 
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