v4.3.1

v4.3.1:

HIGHLIGHTS:

• minor improvements

DETAILS:

• NRD: workaround to fix some shaders compilation on Linux
• CMAKE: DXBC compiled last (FXC is slower than DXC)

v4.3.0

v4.3.0:

HIGHLIGHTS:

• RELAX: introduced antilag
• REBLUR: improved behavior on surfaces with variadic roughness
• REBLUR: simplified antilag settings (always on now)
• REBLUR: introduced optional "usePrepassOnlyForSpecularMotionEstimation"
• bug fixes and improvements

DETAILS:

• NRD: added NRD_USE_TILE_CHECK macro constant
• NRD: made gDebug available in Common.hlsl again (regression?)
• NRD: lower bound of internal frame rate scaler clamped to 1
• NRD: better code reuse between denoisers
• NRD: removed unnecessary front-end code for case "hitT = 0"
• NRD: curvature improvements
• NRD: removed "GetSpecMagicCurve2"
• VALIDATION: improved history length visualization by highlighting 0 frames
• RELAX/REBLUR: better handling of 0 hitT if hitT reconstruction pass is off
• RELAX/REBLUR: less strict roughness weight in TA on bumpy surfaces
• RELAX/REBLUR: less strict roughness weight in HitT reconstruction pass
• RELAX: introduced antilag
• RELAX: moved min hit distance weights for diffuse and specular to config (default is still 0.2)
• RELAX: fixed HitT weight usage in Prepass
• REBLUR: introduced "usePrepassOnlyForSpecularMotionEstimation"
• REBLUR: introduced REBLUR_SAMPLES_PER_FRAME in config
• REBLUR: introduced optional REBLUR_USE_LOADS
• REBLUR: introduced REBLUR_SHOW for debug visualization
• REBLUR: tweaked HistoryFix
• REBLUR: tweaked weights contributing to virtual history amount and confidence
• REBLUR: tweaked REBLUR_HIT_DIST_MIN_WEIGHT
• REBLUR: tweaked "smb" motion
• REBLUR: tweaked "smb" accumulation speed to minimize reprojection lags
• REBLUR: fixed "smb" and "vmb" history mixing
• REBLUR: fixed unpacking for hit distance used for specular tracking
• REBLUR: more aggressive color clamping for fast history
• REBLUR: some textures from permanent memory moved to transient (reusable) memory
• REBLUR: reworked antilag
• REBLUR: "enableReferenceAccumulation" removed from settings
• REBLUR: reduced trailing effect caused by roughness changes
• SIGMA: fixed too blurry results on extreme closeups (mm level)
• REBLUR_OCCLUSION: fast history format changed to R16_UNORM to match the main history
• CMAKE: fixed aarch64 build
• updated dependencies
• updated docs

v4.2.2

v4.2.2:

HIGHLIGHTS:

• various improvements & bug fixes

DETAILS:

• NRD: added optional NRD_SG_Rotate
• NRD: added missing sanitization of direction in SH packing functions
• NRD: added explicit control on which types of shaders (DXBC, DXIL and/or SPIRV) to compile and embed into the binary
• REBLUR: added more checks to avoid accessing potential NANs if a pixel is outside of denoising range
• REBLUR: fixed anti-firefly with enabled dynamic resolution scaling
• SIGMA: minor bug fix
• updated dependencies
• updated README

v4.2.1

v4.2.1:

HIGHLIGHTS:

• bugfixes & improvements

DETAILS:

• NRD: fixed regression previously introduced in projection matrix decomposition
• REBLUR: fixed touching of data outside of rectangle, set by Dynamic Resolution Scaling
• Cmake: NRD_Shaders target doesn't get created if NRD_USE_PRECOMPILED_SHADERS is not set
• updated MathLib

v4.2.0

v4.2.0:
HIGHLIGHTS (BREAKING CHANGES - please read UPDATE.md):

• NRD: a single NRD instance can now include any combination of denoisers, including repeating ones
• NRD: the transient memory pool is internally optimized to reduce memory consumption if an instance has several denoisers
• NRD: fixed behavior for y-inverted projection matrices (m11 < 0)
• NRD: accelerated sky only rendering
• REBLUR: rewritten anti-firefly filter (significantly less biased, good cleaner of undenoised sporadic bright samples)
• REBLUR: several fixes
• RELAX: significantly reduced memory usage

DETAILS:

• NRD: a single NRD instance can now include any combination of denoisers, including repeating ones
• NRD: the transient memory pool is internally optimized to reduce memory consumption if an instance has several denoisers
• NRD: fixed behavior for y-inverted projection matrices (m11 < 0)
• NRD: DLL version string now includes encoding information to avoid confusion
• NRD INTEGRATION: introduced NewFrame & SetCommonSettings to reflect changes in NRD API
• NRD: accelerated sky only rendering
• REBLUR: rewritten anti-firefly filter (significantly less biased, good cleaner of undenoised sporadic bright samples)
• REBLUR: fixed broken specular occlusion only denoiser
• REBLUR: slightly improved disocclusion test in some corner cases
• RELAX: significantly reduced memory usage
• CMAKE: fixed usage outside of NRD
• updated README
• updated UPDATE
• updated dependencies

v4.1.2

v4.1.2:

• switched to a faster RNG
• updated MathLib

v4.1.1

v4.1.1:

HIGHLIGHTS:

• minor fixes

DETAILS:

• NRD: luminance switched to BT.709 instead of BT.601
• NRD: README mentions email alias for feedback
• RELAX: added missing "roughnessModified" in SMEM A-trous pass
• polishing
• updated dependencies

v4.1.0

v4.1.0:

HIGHLIGHTS:

• SH denoisers: SH (spherical harmonics) resolve replaced with a higher quality & specular-compatible SG (spherical gaussian) resolve
• SH denoisers: introduced re-jittering after denoising which is essential for upscaling techniques
• NRD: significantly reduced shader compilation & code linkage times
• NRD: usability improvements
• RELAX: added SH denoisers
• REBLUR: bug fixes

DETAILS:

• SH denoisers: SH (spherical harmonics) resolve replaced with a higher quality & specular-compatible SG (spherical gaussian) resolve
• SH denoisers: introduced re-jittering after denoising which is essential for upscaling techniques
• NRD: introduced "ShaderMake"
• NRD: usability improvement: removed "NRD_HEADER_ONLY" (added "NRD_INTERNAL" macro on the NRD side)
• NRD: usability improvement: for internal compilation matrix packing is set to "column_major", to override possible "-Zpr" setting in the compiler command line
• RELAX: added SH denoisers
• RELAX: fixed regression for specular surface history weight
• REBLUR: improved reprojection on surfaces with variadic roughness
• REBLUR: fixed a resolution scale related bug in TS
• REBLUR: slightly increased "lobeAngleFraction"
• REBLUR: fixed smb-based accumulation for very high roughness
• fixed VK validation errors after migrating to VK v1.3.239
• fixes for Linux
• Cmake improvements
• updated scripts
• updated dependencies
• updated README & UPDATE
• refactoring

v4.0.2

v4.0.2:

HIGHLIGHTS:

• NRD: improved curvature estimation
• NRD: fixed some bugs
• REBLUR: improved specular tracking
• REBLUR: fixed some bugs
• RELAX: implicit curvature-related improvements

DETAILS:

• NRD: improved curvature estimation
• NRD: fixed wrong width of input resources in clear calls
• NRD: fixed thin lens equation in case of concave curvature
• NRD: simplified "ComputeParallax" to "ComputeParallaxInPixels" and adjusted related calculations
• NRD / REBLUR: tweaked ULP thresholds
• REBLUR: fixed potential race conditions while accessing "hitDistForTracking" (affected specular tracking)
• REBLUR: fixed optional MV modification
• REBLUR: fixed 1-frame delay in reaction to "max number of accumulated frames"
• REBLUR: improved precision of curvature packing used in TS pass
• REBLUR: improved precision of curvature calculations in case of high parallax
• REBLUR: tuned curvature adjustment hack
• REBLUR: slightly reduced memory usage of diffuse denoisers
• REBLUR / SPECULAR_REFLECTION_MV: fixed wrong usage of "rect offset" in curvature calculations
• SPECULAR_REFLECTION_MV: improved curvature calculations in case of high parallax

v4.0.1

v4.0.1:

HIGHLIGHTS:

• improved compatibility with PS
• follow up fixes

DETAILS:

• improved compatibility with PS
• fixed wrong dependency from STL in NRD.hlsli
• added forgotten name to the list of resource names (and improved code to automatically detect such issues in the future)