Add optix support for coopvec (#7286)

* WiP: Add coopvec support for Optix

* format code

* fix minor issues

* Fix review comments

---------

Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>

1 files changed, 10 insertions, 2 deletions

diff --git a/source/slang/slang-emit-cpp.cpp b/source/slang/slang-emit-cpp.cpp
index 6f97a11da..8e95cebfb 100644
--- a/source/slang/slang-emit-cpp.cpp
+++ b/source/slang/slang-emit-cpp.cpp
@@ -1152,8 +1152,16 @@ void CPPSourceEmitter::_emitType(IRType* type, DeclaratorInfo* declarator)
             auto arrayType = static_cast<IRArrayType*>(type);
             auto elementType = arrayType->getElementType();
             int elementCount = int(getIntVal(arrayType->getElementCount()));
-
-            m_writer->emit("FixedArray<");
+            auto nameHint = arrayType->findDecoration<IRNameHintDecoration>();
+            bool isCoopVec = nameHint && (nameHint->getName() == UnownedStringSlice("CoopVec"));
+            if (isCoopVec && isOptixCoopVec)
+            {
+                m_writer->emit("OptixCoopVec<");
+            }
+            else
+            {
+                m_writer->emit("FixedArray<");
+            }
             _emitType(elementType, nullptr);
             m_writer->emit(", ");
             m_writer->emit(elementCount);