From e5b796db188416dfc414dab27b92c86b0b53de2b Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Thu, 10 Sep 2020 15:10:11 -0700
Subject: Allow existential types in `StructuredBuffer` element type. (#1536)

* Allow existential types in `StructuredBuffer` element type.

* Handle StructuredBuffer.Load/.Consume methods

* Clean up unnecessary changes

* Code cleanup

* Update test comment
---
 source/slang/slang-check-shader.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'source/slang/slang-check-shader.cpp')

diff --git a/source/slang/slang-check-shader.cpp b/source/slang/slang-check-shader.cpp
index fe35f8a19..7793dfcbc 100644
--- a/source/slang/slang-check-shader.cpp
+++ b/source/slang/slang-check-shader.cpp
@@ -74,6 +74,12 @@ namespace Slang
                 loc);
             return;
         }
+        else if (auto structuredBufferType = as<HLSLStructuredBufferTypeBase>(type))
+        {
+            _collectExistentialSpecializationParamsRec(
+                astBuilder, ioSpecializationParams, structuredBufferType->getElementType(), loc);
+            return;
+        }
 
         if( auto declRefType = as<DeclRefType>(type) )
         {
-- 
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