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2025-04-07Support for Payload Access Qualifiers (#3448) (#6595)Harsh Aggarwal (NVIDIA)
* 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 <ellieh@nvidia.com>
2022-06-21Added a second set of shaders to the ray tracing test and added another test ↵lucy96chen
that uses these shaders; Fixed a bug in Vulkan's RayTracingCommandEncoder::dispatchRays() where the supplied raygen shader index wasn't being used (#2290)