From c701ec00ccce6dfa8094d6550ce2db929fc8cefe Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Tue, 1 Jul 2025 19:09:29 -0700
Subject: Defer immutable buffer loads when emitting spirv. (#7579)

* Defer immutable buffer loads when emitting spirv.

* Fix.

* Fix.

* Fix.

* Fix tests.

* Fix test.
---
 source/slang/slang-check-decl.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

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

diff --git a/source/slang/slang-check-decl.cpp b/source/slang/slang-check-decl.cpp
index 6d8788b4f..9c77303b9 100644
--- a/source/slang/slang-check-decl.cpp
+++ b/source/slang/slang-check-decl.cpp
@@ -14471,6 +14471,15 @@ VarDeclBase* getTrailingUnsizedArrayElement(
     return nullptr;
 }
 
+bool isImmutableBufferType(Type* type)
+{
+    if (as<UniformParameterGroupType>(type))
+        return true;
+    if (auto resourceType = as<ResourceType>(type))
+        return resourceType->getAccess() == SLANG_RESOURCE_ACCESS_READ;
+    return false;
+}
+
 bool isOpaqueHandleType(Type* type)
 {
     while (auto modifiedType = as<ModifiedType>(type))
-- 
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