Add generic descriptor indexing intrinsic (#4389)

* Add ResourceArray intrinsic type

* Move aliased parameter generation to GLSL legalization

* Add DynamicResourceEntry type for proxying layout of GenericResourceArray

* Reimplement as DynamicResource

* Add reflection test

* Don't reuse alias cache between different parameters

* Add dynamic cast extensions for buffer types

* Minor format fix

* Fix VarDecl diagnostics after finding non-appliable initializer candidates

---------

Co-authored-by: Yong He <yonghe@outlook.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/source/slang/slang-type-layout.cpp b/source/slang/slang-type-layout.cpp
index eca0d0ec3..f85fb2c5f 100644
--- a/source/slang/slang-type-layout.cpp
+++ b/source/slang/slang-type-layout.cpp
@@ -4389,6 +4389,13 @@ static TypeLayoutResult _createTypeLayout(
 
         return result;
     }
+    else if (as<DynamicResourceType>(type))
+    {
+        return createSimpleTypeLayout(
+            SimpleLayoutInfo(LayoutResourceKind::DescriptorTableSlot, 1),
+            type,
+            rules);
+    }
     else if (auto declRefType = as<DeclRefType>(type))
     {
         auto declRef = declRefType->getDeclRef();