103.1.0#

RTX - Common#

Improvements#

  • UsdGeomCurve and UsdGeomPoint support

  • General PrimVar support, including accessing PrimVars in MDL

  • Improved matte object support (matte shadows & reflections)

  • Added support for texture cache from servers

  • Support grey+alpha textures

  • Support GPU mesh vertex position updates

  • Various texture streaming bug fixes

  • Use UDIM tile counts instead of width/height in warning messages about Mari-style UDIMs

  • Use domelight color when texture is not set

  • Handle non-watertight nested volumes

  • Optix denoiser multiview support

  • Return viewZ as depth for synthetic data

  • Support for ‘use back material’ Vray2Sided

  • Add support for compute-only ReShade effects

  • Added controls for custom irradiance range and display value under mouse pointer

  • Support Camera Lens Models in Picking and Selection Outline passes

  • Enable exposure clamping by default

  • Various optimizations for material parameter authoring

Bug fixes#

  • Fix picking shader crash

  • Respect SRGB flag for DDS textures and Typeless DDS Formats

  • Fixed .exr movie capture crash

  • Fix GPU profiler recording regressions, saving to json python, and docs for nsight

  • Fix VRay texture conversion crop/clip bug

  • Fix handling of sbsar archives in MDL entity resolver

  • Fixing incorrect tonemapper modes: reinhardModifiedToneMap (missing division term) and HejiHableAlu (missing power)

  • Fix startup crash in GPU profiler

  • Fix several issues with DomeLightData texture uploads

  • Fix picking and selection for wireframe

  • Fixed rendering artifacts in animated meshes with geom subsets

RTX - Real-Time#

Improvements#

  • Real-time SSS is now supported as experimental feature and configurable

  • Native polynomial fisheye projection

  • Auto-enable + auto-config real-time MGPU

  • Disable dome light in reflection by default and add an option for Sampled lighting

Bug fixes#

  • Fix GI on Debug White material

  • Add dome light diffuse contribution back in translucent pass for fractional opacity objects

  • Fix DLSS not available on MGPU fallback case

  • Fixed dome light appearance when translucency is disabled

RTX - Interactive (Path Tracing)#

Improvements#

  • Light Linking support added

  • AOV support via USD RenderProduct & RenderVar prims, including in Movie Recorder

  • Improved performance for volumes

  • Improved support for sampling of thousands of lights

  • Support for alpha in textured rect lights

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