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

* Allow unspecialized existential shader parameters (dynamic dispatch).

* Fixes.

* Fixes

* disable cuda test

1 files changed, 14 insertions, 0 deletions

diff --git a/source/slang/slang.cpp b/source/slang/slang.cpp
index 889ac8203..b9381eec3 100644
--- a/source/slang/slang.cpp
+++ b/source/slang/slang.cpp
@@ -623,6 +623,20 @@ SLANG_NO_THROW slang::TypeLayoutReflection* SLANG_MCALL Linkage::getTypeLayout(
     return asExternal(typeLayout);
 }
 
+SLANG_NO_THROW SlangResult SLANG_MCALL Linkage::getTypeRTTIMangledName(
+    slang::TypeReflection* type, ISlangBlob** outNameBlob)
+{
+    auto internalType = asInternal(type);
+    if (auto declRefType = as<DeclRefType>(internalType))
+    {
+        auto name = getMangledName(internalType->getASTBuilder(), declRefType->declRef);
+        Slang::ComPtr<ISlangBlob> blob = Slang::StringUtil::createStringBlob(name);
+        *outNameBlob = blob.detach();
+        return SLANG_OK;
+    }
+    return SLANG_FAIL;
+}
+
 SLANG_NO_THROW SlangResult SLANG_MCALL Linkage::getTypeConformanceWitnessMangledName(
     slang::TypeReflection* type, slang::TypeReflection* interfaceType, ISlangBlob** outNameBlob)
 {