v3.0.0

v3.0.0:

HIGHLIGHTS:

• RELAX / REBLUR: improved compatibility with path tracing
• RELAX / REBLUR: improved IQ and performance
• RELAX / REBLUR: reworked settings, exposed new settings
• REBLUR: exposed performance mode
• NRD: improved compatibility with PS5, UE and LINUX

NRD:

• NRD: improved modularization of denoisers
• NRD: shared more code between denoisers
• NRD: introduced SPECULAR_REFLECTION_MV method
• NRD: introduced DELTA_OPTIMIZATION_MV method
• NRD: improved checkerboard resolve if pre-pass is on
• NRD: minimized values in NRD_ENCODING_ERRORS
• NRD: limiting PDF to sane values, improved packing
• NRD: shaders moved into per-denoiser sub-folders
• NRD: simplified normal encoding variants to UNORM and OCT
• NRD: added UPDATE.md simplifying understanding of changes in the API and settings
• NRD: introduced NRD_HEADER_ONLY for NRD.hlsli
• NRD: added missing prefixes for COMPILER macro in NRD.hlsli
• NRD: clarified "roughness" in NRD.hlsli
• NRD: added include guards into NRD.hlsli
• NRD: updated .gitignore

REBLUR:

• REBLUR: added performance mode with real-time switch
• REBLUR: added REBLUR_RESPONSIVE_ACCUMULATION_ROUGHNESS_THRESHOLD knob
• REBLUR: added footprint stretching test
• REBLUR: exposed "ReblurSettings::inputMix"
• REBLUR: exposed "ReblurSettings::minConvergedStateBaseRadiusScale"
• REBLUR: exposed "ReblurSettings::responsiveAccumulationRoughnessThreshold"
• REBLUR: fixed specular reprojection issues for low roughness
• REBLUR: fixed imprecision problems affecting weights in temporal accumulation
• REBLUR: fixed curvature in ortho mode
• REBLUR: improved performance
• REBLUR: improved compatibility with path tracing
• REBLUR: improved "materialID" support
• REBLUR: improved prev-prev normal test for specular reprojection
• REBLUR: improved curvature angle estimation
• REBLUR: improved error estimation
• REBLUR: improved precision of internal normals
• REBLUR: improved behavior in disocclusions
• REBLUR: improved error compensation if specular confidence is low
• REBLUR: reduced mip number to 4
• REBLUR: squeezed more normal and shadow details
• REBLUR: virtual parallax taken into account
• REBLUR: compressed hit distances used for hit distance confidence
• REBLUR: removed normal weight for virtual motion (prev-prev does the same)
• REBLUR: allowed small blur for low roughness if accumulation doesn't go well
• REBLUR: reprojection improvements
• REBLUR: tuned hitT weight & virtual history acceleration
• REBLUR: standardized settings
• REBLUR: simplified debug
• REBLUR: refactoring, standardization, simplification and unification

RELAX:

• RELAX: added footprint stretching test
• RELAX: shader modularization
• RELAX: fixed quarter resolution
• RELAX: fixed variance calculation in A-trous shaders
• RELAX: fixed potentially problematic function overloading for "Get*WorldPos"
• RELAX: improved performance
• RELAX: improved compatibility with path tracing
• RELAX: improved "materialID" support
• RELAX: improved prev-prev normal test for specular reprojection
• RELAX: improved "skip reprojection" logic
• RELAX: improved handling of normal imprecision in reprojection
• RELAX: removed spatial variance estimation pass
• RELAX: combined spatial variance estimation and Atrous_shmem
• RELAX: implemented specular reprojection for surfaces with negative surface curvature
• RELAX: refactoring
• RELAX: minor luminance weights fixes & updates
• RELAX: refactoring, standardization, simplification and unification

OTHER:

• REFERENCE: introduced dedicated input / output slots
• LINUX: updated SDK generation script
• NRD INTEGRATION: updated and fixed
• CMAKE: create shader output directory during deployment
• MATHLIB: updated
• README: updated