From 3509059cd8357455155260d8587b8a438c34e49f Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Wed, 19 Jul 2023 16:20:52 -0700
Subject: Add `sampleCount` parameter for MS textures. (#3001)

* Add `sampleCount` parameter for MS textures.

* Fix test.

---------

Co-authored-by: Yong He <yhe@nvidia.com>
---
 source/slang/slang-emit-hlsl.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'source/slang/slang-emit-hlsl.cpp')

diff --git a/source/slang/slang-emit-hlsl.cpp b/source/slang/slang-emit-hlsl.cpp
index bc6b7a159..30de45773 100644
--- a/source/slang/slang-emit-hlsl.cpp
+++ b/source/slang/slang-emit-hlsl.cpp
@@ -287,6 +287,15 @@ void HLSLSourceEmitter::_emitHLSLTextureType(IRTextureTypeBase* texType)
     }
     m_writer->emit("<");
     emitType(texType->getElementType());
+    if (texType->getOperandCount() == 2)
+    {
+        auto sampleCount = as<IRIntLit>(texType->getSampleCount());
+        if (sampleCount->getValue() != 0)
+        {
+            m_writer->emit(", ");
+            m_writer->emit(sampleCount->getValue());
+        }
+    }
     m_writer->emit(" >");
 }
 
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