v0.13.0

Changes in this release

• Directory structure overhaul (!)
  • Sub-projects are much more stand alone and are buildable as individual projects
• Update to latest ANARI SDK v0.15.0
• RTX Device improvements:
  • Add experimental support for neural geometry primitives (VISRTX_USE_NEURAL)
    • See README for more details
  • Much improved shading quality for the default renderer:
    • Improvements to bounces caused by both physicallyBased and mdl materials
    • Implemented basic importance sampling for HDRI lights to reduce noise
    • Lights now follow an inverse-square falloff
    • Support for new lights:
      • Sphere (point lights with a radius)
      • KHR_LIGHT_QUAD
      • KHR_LIGHT_RING
    • Support new KHR_SAMPLER_IMAGE_CLAMPxD_TO_BORDER extension for additional image sampler wrap mode
    • Support the visible flag on ANARISurface and ANARIVolume
  • Fixed issues blending with the background correctly
  • Updates for building with CUDA 13+
  • Various performance + bug fixes
• GL Device improvements:
  • Fix image3D sampler not working correctly
  • Compilation fixes for newer compilers
• TSD improvements (far too many to itemize here):
  • Manjor sub-library refactoring + feature consolidation
  • Many new importers
  • Many UI improvements
  • Various new demo applications
  • Various performance improvements + stability fixes

Merged PRs

• Add Neural Graphics Primitive by @favreau in #128
• Added support for volumes in USD import by @favreau in #130
• Add transfer function import/export support by @favreau in #131
• Fix older platforms with neural disabled by @tarcila in #133
• Fix compilation with gcc-12 by @tarcila in #134
• Mdl physically based by @tarcila in #127
• CUDA physicallyBased material improvements by @jeffamstutz in #136
• HDRI environment importance sampling by @tarcila in #137
• Fix VTU import of cell-centric data by @szellmann in #139
• complete overhaul to TSD library structure by @jeffamstutz in #142
• Added screenshot implementation by @favreau in #143
• Improved shading, adding transmission and fake emission support by @tarcila in #144
• Update AMR field and FLASH importer to use refinementRatio, and data … by @szellmann in #145
• Add a new GLTF importer by @tarcila in #146
• Support anisotropy in TSD by @szellmann in #147
• TSD-ASSIMP: Fix clearcoat and sheer not being assign correctly by @tarcila in #149
• Gltf iridescence ior by @tarcila in #150
• Prevent crash when CUDA-OpenGL interopt is not available by @tarcila in #151
• Enables focus on right click so that right-click-drag works with prior left-click by @tarcila in #152
• Misc fixes by @tarcila in #153
• usd-export: Add support for transforms and materials by @tarcila in #156
• Misc enhancements by @tarcila in #158
• Add support for clampToBorder on ImageXD samplers by @tarcila in #159
• Add tonemap renderer parameter by @tarcila in #161
• Fix blending with background color by @tarcila in #160
• Added handling for empty blocks by @apaaris in #162
• reorganize rtx device folder structure by @jeffamstutz in #163
• MDL fixes by @tarcila in #164
• TSD: Add support for camera objects by @tarcila in #165
• TSD: Introduce CameraUpdateDelegate to track for database camera changes by @tarcila in #166
• Tsd animation and usd improvements by @tarcila in #167
• TSD: [USD] original prim paths on imported objects by @tarcila in #170
• Tsd importer improvements by @tarcila in #171
• Tsd usd improvements by @tarcila in #172
• fixed finding of EmbedPTXRun.cmake by @ingowald in #173
• Fix build with CUDA 13 by @tarcila in #174
• Save our NVDB loader from duplicating the dataset on load by @tarcila in #175
• Add VisRTX build to the CI by @tarcila in #169
• Fix mismatching importer dialog list by @tarcila in #177
• enable animation state I/O for animated values by @jeffamstutz in #179
• Update VisRTX build workflow to trigger on PR and push to next_release by @tarcila in #180
• Add Transform manipulators/Gizmos to TSD main viewport by @tarcila in #178
• Workaround outline not being rendered on double-click-to-select by @tarcila in #181
• Add support for importing SILO files by @jeffamstutz in #183
• Gizmo: Handle transform hierarchies by @tarcila in #182
• Add support for AOV (albedo, normal) visualization, misc enhancements by @tarcila in #184

New Contributors

• @ingowald made their first contribution in #173

Full Changelog: v0.12.0...v0.13.0