1 files changed, 10 insertions, 0 deletions
diff --git a/source/slang/slang.cpp b/source/slang/slang.cpp
index d5adae722..5f22f8a23 100644
--- a/source/slang/slang.cpp
+++ b/source/slang/slang.cpp
@@ -202,6 +202,16 @@ SLANG_NO_THROW void SLANG_MCALL Session::setDownstreamCompilerPrelude(
     m_downstreamCompilerPreludes[int(passThrough)] = prelude;
 }
 
+SLANG_NO_THROW void SLANG_MCALL Session::getDownstreamCompilerPrelude(
+    SlangPassThrough inPassThrough,
+    ISlangBlob** outPrelude)
+{
+    PassThroughMode passThrough = PassThroughMode(inPassThrough);
+    SLANG_ASSERT(int(passThrough) > int(PassThroughMode::None) && int(passThrough) < int(PassThroughMode::CountOf));
+
+    *outPrelude = Slang::StringUtil::createStringBlob(m_downstreamCompilerPreludes[int(passThrough)]).detach();
+}
+
 SLANG_NO_THROW const char* SLANG_MCALL Session::getBuildTagString()
 {
     return SLANG_TAG_VERSION;