v4.4.0:

HIGHLIGHTS:

- NRD: improved API & robustness
- NRD: flexible DRS support (improved compatibility with engines using resource suballocation for DRS)
- NRD: IQ improvements
- NRD: added GLSL support for NRD.hlsli
- NRD: added "NRD_FrontEnd_SpecHitDistAveraging_X" functions, needed to properly average specular hit distance for correct specular tracking in case of many RPP

DETAILS:

- NRD: denoisers made less sensitive to NAN/INF values outside of denoising range and DRS rectangle
- NRD: added "NRD_FrontEnd_SpecHitDistAveraging_X" functions, needed to properly average specular hit distance for correct specular tracking in case of many RPP
- NRD: fixed regression: "motionVectorScale[] = 0 and isMotionVectorInWorldSpace = true" case was broken
- NRD: more flexible CTA definition
- NRD: improved performance by adjusting CTA sizes
- NRD: simplified constant data storage related code, ring buffer is not needed (2 Mb => 128 Kb)
- NRD: added GLSL support for NRD.hlsli
- NRD: refactored resource macros
- NRD: added "identifier" to "DispatchDesc" to distinguish which denoiser "ResourceType" is coming from
- NRD: greatly simplified C++ code by utilizing shared headers
- NRD: flexible DRS support
- NRD: minor DRS related fixes
- NRD: removed unused samplers
- NRD: clarified "gRectOffset" usage
- NRD: "gRectOffset" usage moved under NRD_USE_VIEWPORT_OFFSET macro (disabled by default)
- SIGMA: reduced bias, improved stability
- RELAX: greatly simplified C++ side code (181 Kb => 99 Kb)
- RELAX: fixed bugs preventing usage of non-square CTA sizes
- RELAX: minor fixes in HistoryFix pass
- RELAX: removed standalone "diffuse" and "specular" settings (was a shortened copy of "RelaxSettings")
- RELAX: reduced code entropy
- REBLUR / RELAX: out of bounds fixes
- REBLUR / RELAX: removed "historyFixStrideBetweenSamples"
- REBLUR / SIGMA: added snapping to pixel center in spatial passes
- REBLUR: replaced "table-flip" unicode emoji ¯\_(ツ)_/¯
- REBLUR: improved behavior on thin objects
- REBLUR: improved HistoryFix
- REBLUR: material IDs properly applied to all CatRom footprint (fixed outlining on material boundaries)
- REBLUR: fixed potential color bleeding caused by virtual motion disocclusion
- REBLUR: optional MV modification made stochastic based
- REBLUR: fixed suboptimal "vmb" reprojection behavior in disocclusions
- REFERENCE: renamed REFERENCE inputs
- NRD INTEGRATION: updated to reflect NRD API changes
- NRD INTEGRATION: NRI updated to v1.110
- Cmake: fixed unconditional use of CMAKE_MSVC_RUNTIME_LIBRARY
- updated docs and comments
- updated dependencies
- refactoring

CMakeLists.txt

@@ -61,7 +61,7 @@ set (CMAKE_CXX_STANDARD 17)
 set (CMAKE_CXX_STANDARD_REQUIRED ON)
 set (CMAKE_C_STANDARD 99)
 
-if (MSVC)
+if (MSVC AND NOT DEFINED CMAKE_MSVC_RUNTIME_LIBRARY)
     set (CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 endif ()
 
@@ -103,14 +103,14 @@ endif ()
 
 # External/MathLib
 file (READ "External/MathLib/MathLib.h" ver_h)
-string (REGEX MATCH "MATHLIB_VERSION_MAJOR ([0-9]*)" _ ${ver_h})
-set (MATHLIB_VERSION_MAJOR ${CMAKE_MATCH_1})
-string (REGEX MATCH "MATHLIB_VERSION_MINOR ([0-9]*)" _ ${ver_h})
-set (MATHLIB_VERSION_MINOR ${CMAKE_MATCH_1})
-message ("MathLib v${MATHLIB_VERSION_MAJOR}.${MATHLIB_VERSION_MINOR}")
+string (REGEX MATCH "ML_VERSION_MAJOR ([0-9]*)" _ ${ver_h})
+set (ML_VERSION_MAJOR ${CMAKE_MATCH_1})
+string (REGEX MATCH "ML_VERSION_MINOR ([0-9]*)" _ ${ver_h})
+set (ML_VERSION_MINOR ${CMAKE_MATCH_1})
+message ("MathLib v${ML_VERSION_MAJOR}.${ML_VERSION_MINOR}")
 
-file (GLOB MATHLIB_FILES "External/MathLib/*.h" "External/MathLib/*.hpp")
-source_group ("MathLib" FILES ${MATHLIB_FILES})
+file (GLOB ML_FILES "External/MathLib/*.h" "External/MathLib/*.hpp")
+source_group ("MathLib" FILES ${ML_FILES})
 
 # NRD
 file (GLOB GLOB_INCUDE "Include/*")
@@ -123,9 +123,9 @@ file (GLOB GLOB_RESOURCES "Resources/*")
 source_group ("Resources" FILES ${GLOB_RESOURCES})
 
 if (NRD_STATIC_LIBRARY)
-    add_library (${PROJECT_NAME} STATIC ${GLOB_SOURCE} ${GLOB_DENOISERS} ${MATHLIB_FILES} ${GLOB_RESOURCES} ${GLOB_INCUDE})
+    add_library (${PROJECT_NAME} STATIC ${GLOB_SOURCE} ${GLOB_DENOISERS} ${ML_FILES} ${GLOB_RESOURCES} ${GLOB_INCUDE})
 else ()
-    add_library (${PROJECT_NAME} SHARED ${GLOB_SOURCE} ${GLOB_DENOISERS} ${MATHLIB_FILES} ${GLOB_RESOURCES} ${GLOB_INCUDE})
+    add_library (${PROJECT_NAME} SHARED ${GLOB_SOURCE} ${GLOB_DENOISERS} ${ML_FILES} ${GLOB_RESOURCES} ${GLOB_INCUDE})
 
     if (WIN32)
         target_compile_definitions (${PROJECT_NAME} PRIVATE "NRD_API=extern \"C\" __declspec(dllexport)")

Include/NRD.h

@@ -28,9 +28,9 @@ license agreement from NVIDIA CORPORATION is strictly prohibited.
 #include <cstddef>
 
 #define NRD_VERSION_MAJOR 4
-#define NRD_VERSION_MINOR 3
-#define NRD_VERSION_BUILD 6
-#define NRD_VERSION_DATE "3 November 2023"
+#define NRD_VERSION_MINOR 4
+#define NRD_VERSION_BUILD 0
+#define NRD_VERSION_DATE "15 November 2023"
 
 #if defined(_MSC_VER)
     #define NRD_CALL __fastcall