msvc style bitfield packing (#7963)

Closes https://github.com/shader-slang/slang/issues/3646

New tests rather than just adding another TEST line to existing tests so
that we get the msvc- prefix in the output of slang-test

1 files changed, 3 insertions, 0 deletions

diff --git a/include/slang.h b/include/slang.h
index 516af9603..65449a1ff 100644
--- a/include/slang.h
+++ b/include/slang.h
@@ -1044,6 +1044,9 @@ typedef uint32_t SlangSizeT;
         DenormalModeFp32,
         DenormalModeFp64,
 
+        // Bitfield options
+        UseMSVCStyleBitfieldPacking, // bool
+
         CountOf,
     };