From ce87ab925d06a784eec194081e00a1b4c9b94d0c Mon Sep 17 00:00:00 2001 From: "Harsh Aggarwal (NVIDIA)" Date: Mon, 7 Apr 2025 13:26:11 +0530 Subject: Support for Payload Access Qualifiers (#3448) (#6595) * Add support for Ray Payload Access Qualifiers (PAQs) (#3448) - Added [raypayload] attribute for struct declarations - Implemented field validation requiring read/write access qualifiers - Added diagnostic error for missing qualifiers - Enabled PAQs in DXC compiler and HLSL emission - Added new test demonstrating PAQ syntax - Implemented proper handling of ray payload attributes in IR generation * format code * Cleanup: Remove unused vars * Add check to enablePAQ only for profile >= lib_6_7 * Review Fix - Add PAQ support for DX Raytracing add enablePAQ flag to DownstreamCompileOpitons, improve PAQ handling update raypayload-attribute-paq.slang to ensure hlsl and dxil is validated * Add diagnostic test for missing paq for lib_6_7 Compile using `-disable-payload-qualifiers` aka lib_6_6 profile raypayload-attribute-no-struct.slang and raypayload-attribute.slang --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> Co-authored-by: Ellie Hermaszewska --- source/slang/slang-compiler.cpp | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'source/slang/slang-compiler.cpp') diff --git a/source/slang/slang-compiler.cpp b/source/slang/slang-compiler.cpp index 3839e0722..55f3846af 100644 --- a/source/slang/slang-compiler.cpp +++ b/source/slang/slang-compiler.cpp @@ -1732,6 +1732,11 @@ SlangResult CodeGenContext::emitWithDownstreamForEntryPoints(ComPtr& options.libraries = SliceUtil::asSlice(libraries); options.libraryPaths = allocator.allocate(libraryPaths); + if (m_targetProfile.getFamily() == ProfileFamily::DX) + { + options.enablePAQ = m_targetProfile.getVersion() >= ProfileVersion::DX_6_7; + } + // Compile ComPtr artifact; auto downstreamStartTime = std::chrono::high_resolution_clock::now(); -- cgit v1.2.3