3.0 - 3.3 Release Notes
Release 3.3.3
Release 3.3.3 is bug-fix release addressing regressions from release 3.3.2
- Bug Fixes
- Fixed a regression in PatchTable construction with varying patches (GitHub Issue #976)
- Fixed a regression in PatchTable construction for face-varying patches (GitHub Issue #972)
- Fixed a bug in the initialization of Far::SourcePatch (GitHub Issue #971)
Release 3.3.2
Release 3.3.2 is a minor release with potentially significant performance improvements to the patch pre-processing stages
- Changes
- Improved performance of PatchTable construction (GitHub Issue #966)
- The resulting improved accuracy will produce slight numerical differences in computations involving patches, e.g. StencilTable and PatchTable evaluation
- Bug Fixes
- Far::PatchTableFactory now supports PatchTable construction with ENDCAP_BILINEAR_BASIS specified
Release 3.3.1
Release 3.3.1 is a minor bug-fix release
- Bug Fixes
- Fixed GLSL/HLSL/Metal patch shader code to resolve degenerate normals (GitHub Issue #947)
- Fixed problems with face-varying patches in uniform PatchTables (GitHub Issue #946)
- Fixed integer overflow bugs for large meshes in PatchTable factories (GitHub Issue #957)
- Fixed computation of PatchParam for triangle refinement (GitHub Issue #962)
- Changes
- Added build options: NO_GLFW and NO_GLFW_X11
- Added additional shapes with infinitely sharp creases to the Metal and DX11 example viewers
- Disabled GL tests during CI runs on Linux
- Improved stability of examples/glImaging in CI runs by testing GL version
Release 3.3.0
Release 3.3.0 is significant release adding an Osd implementation for Apple's Metal API
- New Features
- Added an Osd implementation for Apple's Metal API
- Added the mtlViewer example
- Changes
- Fixed several instances of local variable shadowing that could cause build warnings
- Updated continuous-integration build scripts and added testing on macOS
Release 3.2.0
Release 3.2.0 is a minor release containing API additions and bug fixes
- New Features
- Extended Far::StencilTableFactory to support face-varying
- Extended Osd Evaluator classes to support evaluation of 1st and 2nd derivatives
- Added an option to disable generation of legacy sharp corner patches
- Changes
- Corrected numerous spelling errors in doxygen comments
- Updated glFVarViewer with improved error detection and command line parsing
- Added option to build using MSVC with static CRT
- Bug Fixes
- Fixed a double delete of GL program in Osd::GLComputeEvaluator
Release 3.1.1
Release 3.1.1 is a minor bug-fix release.
- Bug Fixes
- Fixed a bug with non-manifold face-varying topology causing a crash during patch table creation
- Fixed GLEW compilation and linking with dynamic GLEW libraries on Windows
- Fixed GLFW linking with GLFW 3.2 on X11 platforms
Release 3.1.0
Release 3.1.0 is a significant release with several new features, bug fixes, and general code and configuration improvements. For more information on the following, please see Release 3.1
- New Features
- Bicubic Face-Varying Patches
- Varying and Face-Varying Evaluation
- Second Order Derivative Evaluation
- Separate Levels of Feature Isolation
- Sharp Patches for Infinitely Sharp Features
- Changes
- Enabled the use of CMake's folder feature
- Removed the use of iso646 alternative keywords ('and', 'or', 'not', etc.) to improve portability
- Added numerical valued preprocessor directives (OPENSUBDIV_VERSION_MAJOR, etc.) to <opensubdiv/version.h>
- Improved documentation for Far::PatchParam and added Unnormalize() to complement Normalize()
- Added additional topology queries to Far::TopologyLevel
- Updated glFVarViewer and glEvalLimit viewer to make use of bicubic face-varying patches
- Updated glViewer and dxViewer to add a toggle for InfSharpPatch
- Updated dxPtexViewer for improved feature parity with glPtexViewer
- Improved far_regression to exercise shapes independent of Hbr compatibility
- Added support for Appveyor continuous integration testing
- Removed cmake/FindIlmBase
- Removed mayaPolySmooth example
- Bug Fixes
- Fixed Ptex version parsing and compatibility issues
- Fixed compatibility issues with VS2015
- Fixed bug interpolating face-varying data with Bilinear scheme
- Fixed bug with refinement using Chaikin creasing
- Fixed bugs with HUD sliders in the example viewers
Release 3.0.5
Release 3.0.5 is a minor stability release with performance and correctness bug fixes.
- Bug Fixes
- The previous release reduced transient memory use during PatchTable construction, but increased the amount of memory consumed by the resulting PatchTable itself, this regression has been fixed.
- The example Ptex texture sampling code has been fixed to prevent sampling beyond the texels for a face when multisample rasterization is enabled.
Release 3.0.4
Release 3.0.4 is a minor stability release which includes important performance and bug fixes.
- New Features
- Added accessor methods to Far::LimitStencilTable to retrieve limit stencil data including derivative weights
- Added support for OpenCL event control to Osd::CLVertexBuffer and Osd::CLEvaluator
- Changes
- Major reduction in memory use during Far::PatchTable construction for topologies with large numbers of extraordinary features
- Improved performance for GL and D3D11 tessellation control / hull shader execution when drawing BSpline patches with the single crease patch optimization enabled
- Bug Fixes
- Restored support for drawing with fractional tessellation
- Fixed far_tutorial_6 to refine primvar data only up to the number of levels produced by topological refinement
- Fixed build warnings and errors reported by Visual Studio 2015
Release 3.0.3
Release 3.0.3 is a minor stability release which includes important performance and bug fixes.
- New Features
- Smooth normal generation tutorial, far_tutorial_8
- Changes
- Major performance improvement in PatchTable construction
- Improved patch approximations for non-manifold features
- Bug Fixes
- Fixed double delete in GLSL Compute controller
- Fixed buffer layout for GLSL Compute kernel
- Fixed GL buffer leak in Osd::GLPatchTable
- Fixed out-of-bounds data access for TBB and OMP stencil evaluation
- Fixed WIN32_LEAN_AND_MEAN typo
- Fixed Loop-related shader issues glFVarViewer
Release 3.0.2
Release 3.0.2 is a minor release for a specific fix.
- Bug Fixes
- Fixed drawing of single crease patches
Release 3.0.1
Release 3.0.1 is a minor release focused on stability and correctness.
- Changes
- Added a references section to the documentation, please see References
- Removed references to AddVaryingWithWeight from examples and tutorials
- Added more regression test shapes
- Addressed general compiler warnings (e.g. signed vs unsigned comparisons)
- Addressed compiler warnings in the core libraries reported by GCC's -Wshadow
- Eased GCC version restriction, earlier requirement for version 4.8 or newer is no longer needed
- Replaced topology initialization assertions with errors
- Improved compatibility with ICC
- Improved descriptive content and formatting of Far error messages
- Improved build when configured to include no GPU specific code
- Bug Fixes
- Fixed handling of unconnected vertices to avoid out of bounds data access
- Fixed non-zero starting offsets for TbbEvalStencils and OmpEvalStencils
- Fixed Far::StencilTableFactory::Options::factorizeIntermediateLevels
- Fixed Far::PatchTablesFactory::Options::generateAllLevels
- Fixed the behavior of VTX_BOUNDARY_NONE for meshes with bilinear scheme
- Fixed some template method specializations which produced duplicate definitions
- Disabled depth buffering when drawing the UI in the example viewers
- Disabled the fractional tessellation spacing option in example viewers since this mode is currently not supported
Release 3.0.0
Release 3.0.0 is a major release with many significant improvements and changes. For more information on the following, please see Release 3.0
- New Features
- Faster subdivision using less memory
- Support for non-manifold topology
- Face-Varying data specified topologically
- Elimination of fixed valence tables
- Single-crease patch for semi-sharp edges
- Additional irregular patch approximations
- Introduction of Stencil Tables
- Faster, simpler GPU kernels
- Unified adaptive shaders
- Updated coding style with namespaces
- More documentation and tutorials
- Bug Fixes
- Smooth Face-Varying interpolation around creases
Release 3.0.0 RC2
- New Features
- Documentation updates
- far_tutorial_3 updates for the multiple face-varying channels
- maya example plugin interpolates a UV channel and a vertex color channel
- Bug Fixes
- Fixed a LimitStencilTableFactory bug, which returns an invalid table
- PatchParam encoding changed to support refinement levels up to 10
- Added Xinerama link dependency
- Fixed MSVC 32bit build problem
- Fixed minor cmake issues
- Fixed glViewer/farViewer stability bugs
Release 3.0.0 RC1
- Changes
- Far::TopologyRefiner was split into several classes to clarify and focus the API.
- Interpolation of Vertex and Varying primvars in a single pass is no longer supported.
- The Osd layer was largely refactored.