From 66301ab9068c5705e5a2bcbf2eaadfb28e8bb084 Mon Sep 17 00:00:00 2001 From: Ellie Hermaszewska Date: Thu, 31 Jul 2025 15:23:13 +0800 Subject: 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 --- source/slang/slang-options.cpp | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'source/slang/slang-options.cpp') diff --git a/source/slang/slang-options.cpp b/source/slang/slang-options.cpp index 0ada33697..c3f2ad055 100644 --- a/source/slang/slang-options.cpp +++ b/source/slang/slang-options.cpp @@ -566,7 +566,12 @@ void initCommandOptions(CommandOptions& options) {OptionKind::EmitReflectionJSON, "-reflection-json", "-reflection-json ", - "Emit reflection data in JSON format to a file."}}; + "Emit reflection data in JSON format to a file."}, + {OptionKind::UseMSVCStyleBitfieldPacking, + "-msvc-style-bitfield-packing", + nullptr, + "Pack bitfields according to MSVC rules (msb first, new field when underlying type size " + "changes) rather than gcc-style (lsb first)"}}; _addOptions(makeConstArrayView(generalOpts), options); @@ -2264,6 +2269,7 @@ SlangResult OptionsParser::_parse(int argc, char const* const* argv) case OptionKind::LoopInversion: case OptionKind::UnscopedEnum: case OptionKind::PreserveParameters: + case OptionKind::UseMSVCStyleBitfieldPacking: linkage->m_optionSet.set(optionKind, true); break; case OptionKind::MatrixLayoutRow: -- cgit v1.2.3