Allow unspecialized existential shader parameters (dynamic dispatch). (#1529)

* Allow unspecialized existential shader parameters (dynamic dispatch).

* Fixes.

* Fixes

* disable cuda test

1 files changed, 6 insertions, 0 deletions

diff --git a/source/slang/slang-ir-generics-lowering-context.cpp b/source/slang/slang-ir-generics-lowering-context.cpp
index 26581c653..b7e2917d5 100644
--- a/source/slang/slang-ir-generics-lowering-context.cpp
+++ b/source/slang/slang-ir-generics-lowering-context.cpp
@@ -75,6 +75,12 @@ namespace Slang
             String rttiObjName = exportDecoration->getMangledName();
             builder->addExportDecoration(result, rttiObjName.getUnownedSlice());
         }
+        // Make sure the RTTI object for a public struct type has public visiblity.
+        if (typeInst->findDecoration<IRPublicDecoration>())
+        {
+            builder->addPublicDecoration(result);
+            builder->addKeepAliveDecoration(result);
+        }
         mapTypeToRTTIObject[typeInst] = result;
         return result;
     }