v0.15.0

What's Changed

• Fix get property by @progschj in #313
• Improve material support and add MDL materials by @tarcila in #314
• hdanari: Fix build on MacOS by @tarcila in #315
• Update remote device to use latest ASIO by @szellmann in #316
• helium: fix object notification to occur when finalization happens by @jeffamstutz in #317
• hdanari: Expose pixelSamples renderer parameter by @tarcila in #318
• make ambient radiance changeable on command line for anariRenderTests by @jeffamstutz in #320
• implement worldPosition + worldNormal attributes in helide by @jeffamstutz in #322
• Object python bindings and per device module generation by @progschj in #325
• add missing 1.1 extensions by @jeffamstutz in #326
• Release updates for v0.15.0 by @jeffamstutz in #327
• Bump setuptools from 74.1.2 to 78.1.1 in /cts by @dependabot[bot] in #328

New Contributors

• @dependabot[bot] made their first contribution in #328

Full Changelog: v0.14.1...v0.15.0

v0.14.1

What's Changed

• add renderer switch to helide to ignore sub-optimal ambientRadiance default by @jeffamstutz in #311
• add missing device properties to helide by @jeffamstutz in #312

Full Changelog: v0.14.0...v0.14.1

v0.14.0

Changes since last release

• New tool (ANARI Capability Analysis Tool): anariCat
  • See README in cat/ directory for more details
• Update json queries + API with latest v1.1 ANARI specification changes
• Migrate anari_viewer to use SDL3 instead of glfw, removing direct OpenGL dependency
  • SDL3 is fetched/built automatically if not found by CMake
• Various hdAnari improvements, including limited support for lights
• Bug fixes in libhelium
• Bug fixes in python bindings

PRs

• use a different namespace for embree linked inside of helide by @jeffamstutz in #296
• fix helide volumes not respecting the instance transform, fix tf1D types by @jeffamstutz in #298
• support float64 value range in helide's tf1D volume by @jeffamstutz in #300
• Add capability analysis tool by @jspanchu in #301
• Misc cleanups by @jeffamstutz in #302
• distinguish between internal and staged references for helium objects by @jeffamstutz in #304
• HdAnari misc improvements by @tarcila in #305
• Replace glfw with SDL in anari_viewer by @jeffamstutz in #282
• Viewer updates/fixes by @jeffamstutz in #306
• Reduce RefCounted to a single atomic counter for more "atomicity" by @progschj in #307
• do tighter type checking when using getParamObject<> for helium devices by @jeffamstutz in #308
• add instance attribute definitions by @jeffamstutz in #310

New Contributors

• @jspanchu made their first contribution in #301

Full Changelog: v0.13.1...v0.14.0

v0.13.1

What's Changed

• fix helium where deferred object commits were not cleared after flush by @jeffamstutz in #293
• fix helide API thread safety by @jeffamstutz in #294
• bump version for release by @jeffamstutz in #295

Full Changelog: v0.13.0...v0.13.1

v0.13.0

Changes since last release

• New support for GeomSubset in OpenUSD Hydra plugin
• Refactoring to how libhelium handles object updates by splitting internal commit() method calls into commitParameters() and finalize() methods
  • See libhelium documentation and helide for more details
• Updates to helide to bring its implementation of ANARI_VOLUME_TRANSFER_FUNCTION_1D up to date with the specification
• Fixes to the Blender add-on to work with the latest v4.3.x version of Blender
• Various bug fixes

What's Changed

• Set texture wrapping to clamp_to_edge in anari_viewer's viewport. by @HellmannM in #277
• use header file rtcore.h from embree4 not embree3 by @zhoub in #279
• helium: use a lock to make DeferredCommitBuffer thread safe by @jeffamstutz in #281
• fix incorrect placement of find_package(Python3) for code_gen by @jeffamstutz in #283
• Implement separate object finalization in helium by @jeffamstutz in #284
• avoid calling GetCurrentDirectory() with un-initialized memory location by @ingowald in #286
• Introduce GeomSubset support to meshes by @tarcila in #285
• match helide's tf1D volume behavior to the specification by @jeffamstutz in #288
• set helide's CXX visibility to 'hidden' by @jeffamstutz in #289
• revise helium's deferred commit buffer to have event timestamps make sense by @jeffamstutz in #290
• fix Blender addon installation for latest Blender 4.3.x by @jeffamstutz in #291
• fix broken CMake logic for glTF loader related dependencies by @jeffamstutz in #292

New Contributors

• @HellmannM made their first contribution in #277
• @zhoub made their first contribution in #279

Full Changelog: v0.12.1...v0.13.0

v0.12.1

What's Changed

• change method of finding Python for robustness, enhance CI to cover issues by @jeffamstutz in #274
• upload CI builds of releases by @jeffamstutz in #275
• add headers to anari_library sources CMake export by @jeffamstutz in #276

Full Changelog: v0.12.0...v0.12.1

v0.12.0

Changes since last release

• The ANARI front end library is now always built as both shared and static libraries (anari and anari_static targets respectively)
  • Note that CMake projects using helium will now be required to link the front end library target explicitly, as previously this was done implicitly
• The CMake function to generate queries (anari_generate_queries()) now generates
  • See helide device CMake as an example for the new usage
• anari_viewer target is no longer dependent on anari_test_scenes
• helium::AnariAny now supports holding ANARI_STRING_LIST values
• Fix invalid values in the depth frame channel in helide
• Add support for primitive.id array for all geometries in helide
• Various build and runtime fixes for hdanari plugin
• Enable building helide on non-macOS aarch64 platforms
• Various sample viewer improvements

PRs

• add helide support for aarch64 systems by @jeffamstutz in #253
• Expose DoF settings in anari_viewer's viewport by @szellmann in #254
• ci: Build dependency for Github Actions by @spencer-lunarg in #255
• implement primitive.id array in helide, add option to random spheres scene by @jeffamstutz in #257
• fixed some ambiguous type declarations on systems where float4x4 and … by @ingowald in #258
• Codegen skips bindings if Python module not found by @kvankooten in #260
• Add string list support to helium's AnariAny by @tarcila in #262
• Hdanari misc fixes by @tarcila in #263
• Correctly handle default of STRING parameters by @johguenther in #264
• fix uninitialized depth for some pixels in helide by @jeffamstutz in #266
• split out frontend library targets into individual components by @jeffamstutz in #267
• Enable setting output location of the generated queries files by @tarcila in #268
• make query code generation completely transparent in CMake by @jeffamstutz in #270
• use new query code generation CMake for CTS, build CTS in CI by @jeffamstutz in #271
• various CMake robustness fixes by @jeffamstutz in #272
• Windows build fixes in preparation for vcpkg port by @tarcila in #273

New Contributors

• @spencer-lunarg made their first contribution in #255
• @ingowald made their first contribution in #258

Full Changelog: v0.11.1...v0.12.0

v0.11.1

What's Changed

• add back in a link to Threads::Threads by @jeffamstutz in #245
• Also track ANARILight objects for leak detection by @johguenther in #247
• fix const-correctness of ParameterizedObject get methods by @jeffamstutz in #250
• CTS - fix tangent generation by @UX3D-labode in #249
• Add anariDistributedTutorial by @johguenther in #251
• Fixed incorrect rpath settings on macOS (#238)

Full Changelog: v0.11.0...v0.11.1

v0.11.0

Changes since last release

• The ANARI front end library is now built both as a shared and static library using the anari::anari and anari::anari_static CMake targets respectively
  • The anariInfo tool links against anari::anari_static for ease-of-use
• New extensions now included in code_gen json:
  • KHR_INSTANCE_TRANSFORM_ARRAY
  • KHR_GEOMETRY_ISOSURFACE
• New OpenUSD plugin for Hydra 'hdAnari'
  • Currently runs within usdview and ought to run in any Hydra based viewport
  • Implementation is experimental and will continue to mature in further release
• The debug device can now be enabled and controlled entirely with environment variables
  • See readme section for details
• CTS improvements:
  • Removed usage of glm in favor of linalg header shipped by the SDK
  • Added test descriptions to reports
  • Added tests based on glTF-Sample-Assets
    • Data is downloaded and cached via CMake FetchContent() when CTS is enabled
  • Added KHR_GEOMETRY_ISOSURFACE test
• Helide improvements:
  • Updated to Embree v4.3.3
  • Implemented support for KHR_INSTANCE_TRANSFORM_ARRAY
  • Tasking system size can be controlled via the HELIDE_NUM_THREADS environment variable
  • Add renderer parameter to tweak eye light blend amount
• anari_viewer improvements:
  • New top-level namespace to better organize code
  • Updated Dear Imgui and nfd versions
• Simplification to the remote device build dependency requirements
• Other various small bug fixes

Full Changelog

• add prototype hdAnari implementation by @jeffamstutz in #205
• fix returning uninitialized bounds in anari_viewer by @jeffamstutz in #206
• allow specifying helide's Embree thread count via an environment variable by @jeffamstutz in #207
• hdAnari enhancements by @jeffamstutz in #208
• debug layer wrapped device via environment variable by @jeffamstutz in #209
• use FLOAT32 frame color channel to remove banding artifacts by @jeffamstutz in #210
• LibraryImpl + libhelium bug fixes by @jeffamstutz in #212
• Remote device cleanup and fixes by @szellmann in #211
• Fix a misplaced } in generate_headers.py by @LDeakin in #213
• fix C compatibility in frontend/type_utility.h + add compile test by @jeffamstutz in #214
• Cts/remove glm by @UX3D-haertl in #215
• fix incorrect parameter name for image1D wrapMode in helide by @jeffamstutz in #217
• update ImGui + nfd versions by @jeffamstutz in #218
• Cts/descriptions by @UX3D-haertl in #216
• Cts/new tests by @UX3D-haertl in #219
• hdanari: Improve UsdPreviewSurface and per instance primvars support by @tarcila in #220
• Add disabled support for using instance buffer based attributes by @tarcila in #221
• Add environment variables for debug device tracing configuration by @tarcila in #222
• Kill alpha on rgb only inputs by @tarcila in #223
• hdanari: Add support for geompoints by @tarcila in #225
• Moved build stage of generated python bindings from cffi to cmake by @kvankooten in #224
• fix parameter-based debug device init by @jeffamstutz in #228
• Add isosurface geometry to queries by @johguenther in #229
• Queries: remove default 'isovalue', it is required by @johguenther in #230
• support changing framebuffer color channel format in anari_viewer viewport by @jeffamstutz in #232
• fix blending and accumulation edge cases, add eye light ratio parameter by @jeffamstutz in #234
• Release GIL by default to prevent multithreading issues by @UX3D-haertl in #235
• Cts/python management by @UX3D-haertl in #233
• unify anari_viewer code into a top-level namespace by @jeffamstutz in #237
• Test and fix isosurface/volume test by @UX3D-haertl in #236
• Add glTF Scenes to CTS by @UX3D-labode in #239
• build frontend library as both shared and static by @jeffamstutz in #243
• implement transform array extension in helide by @jeffamstutz in #244

New Contributors

• @tarcila made their first contribution in #220
• @UX3D-labode made their first contribution in #239

Full Changelog: v0.10.0...v0.11.0

v0.10.0

Changes since last release

• Build updates to allow installing code-gen scripts and anari_viewer without needing to use them in the build
• Add new helium smart pointer type (ChangeObserverPtr) to automatically manage object observers
• Add support in helide for ANARI_KHR_FRAME_COMPLETION_CALLBACK
• Sync size of ANARI_BOOL to be 1 byte instead of 4 to match latest spec revision
• Add glTF and KTX support to anariViewer
• Minor updates to anari_cpp headers to be more consistent
• Fix various bugs in code gen, python bindings, and examples

PRs

• Helium commit observer generalizations by @jeffamstutz in #192
• ensure correct usage of C++ bool in accordance with ANARI spec by @jeffamstutz in #194
• fix issue in helium where all objects emitted messages as ANARI_OBJECT by @jeffamstutz in #195
• support KHR_FRAME_COMPLETION_CALLBACK in helide by @jeffamstutz in #196
• Added python bindings install option and some windows fixes by @kvankooten in #197
• update code_gen targets, regenerate devices, update baseline json by @jeffamstutz in #198
• initialize ANARI before window is spawned in example viewer by @jeffamstutz in #199
• generalize per-frame app callbacks methods in anari_viewer by @jeffamstutz in #201
• Support glTF + KTX in viewer by @jeffamstutz in #202
• enable installing targets that may not be built locally by @jeffamstutz in #203
• misc v0.10.0 release updates by @jeffamstutz in #204

Full Changelog: v0.9.1...v0.10.0