[gfx] Support StructuredBuffer<IInterface>. (#1851)

Co-authored-by: T. Foley <tfoleyNV@users.noreply.github.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/source/slang/slang-emit.cpp b/source/slang/slang-emit.cpp
index af870d02b..74b11079d 100644
--- a/source/slang/slang-emit.cpp
+++ b/source/slang/slang-emit.cpp
@@ -849,7 +849,13 @@ SlangResult emitEntryPointsSourceFromIR(
     }
 
     // There may be global-scope modifiers that we should emit now
+    // Supress emitting line directives when emitting preprocessor directives since
+    // these preprocessor directives may be required to appear in the first line
+    // of the output. An example is that the "#version" line in a GLSL source must
+    // appear before anything else.
+    sourceWriter.supressLineDirective();
     sourceEmitter->emitPreprocessorDirectives();
+    sourceWriter.resumeLineDirective();
 
     RefObject* extensionTracker = sourceEmitter->getExtensionTracker();