mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
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Sync'ing the 'dev' branch with the 'feature_3.0dev' branch at commit 68c6d11fc36761ae1a5e6cdc3457be16f2e9704a The branch 'feature_3.0dev' is now locked and preserved for historical purposes.
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585 lines
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Copyright 2013 Pixar
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Licensed under the Apache License, Version 2.0 (the "Apache License")
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with the following modification; you may not use this file except in
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compliance with the Apache License and the following modification to it:
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Section 6. Trademarks. is deleted and replaced with:
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6. Trademarks. This License does not grant permission to use the trade
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names, trademarks, service marks, or product names of the Licensor
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and its affiliates, except as required to comply with Section 4(c) of
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the License and to reproduce the content of the NOTICE file.
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You may obtain a copy of the Apache License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the Apache License with the above modification is
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distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the Apache License for the specific
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language governing permissions and limitations under the Apache License.
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Release Notes
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-------------
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.. contents::
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:local:
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:backlinks: none
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----
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Release 2.6.0
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=============
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**New Features**
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- Add subdivision kernels for ARM NEON
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- Add OsdUtilVertexSplit which creates a vertex-varying data table by duplicating
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vertices in a `FarMesh`
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- Add basic functions to work with FV data via evaluator API
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**Changes**
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- Added Catmark restricted vertex compute kernels that optimize for vertices
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with no semi-sharp creases
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- Fix accessor omissions in osd/mesh.h
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- Add support for different subdivision schemes for OsdUtilMesh
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**Bug Fixes**
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- Fix crashes when using rather low-end cards like Intel ones
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- Fix a bug in the creation of an edge-vertex kernel batch
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- Fix mismatch in declaration and usage of OsdCudaComputeRestrictedVertexA
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- Fix a bug in the vertex order for restricted Catmark vertex-vertex kernel batches
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- Fix a bug in FarCatmarkSubdivisionTablesFactory that prevented the
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CATMARK_QUAD_FACE_VERTEX kernel from being selected for subdivision
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level 2 or greater.
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- Fix a bug in OsdUtilVertexSplit that occurs when getting the address of
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the end of a std::vector
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- Fix error in createCLBuffer that occurs when the buffer size is zero
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- Fix a bug in the CUDA computeRestrictedEdge kernel
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- Fix duplicate variables with identical name
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- Fix osdutil build errors
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- Fix cmake diagnostic messsage
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Release 2.5.1
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=============
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**New Features**
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- Add CATMARK_QUAD_FACE_VERTEX and CATMARK_TRI_QUAD_FACE_VERTEX compute kernels
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optimization that takes advantage of all-quads or all-triange-and-quads meshes
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**Bug Fixes**
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- Fix a compiler error in the GLSL Transform Feedback kernels on OS X
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- Fix boundary interpolation in osdutil
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- Fix bilinear stencil tangent computions
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Release 2.5.0
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=============
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**New Features**
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- Add ability to generate triangle patches for a uniformly subdivided mesh
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- Add new example 'topologySharing'
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- Add interleaved buffer mode in glViewer
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- Add GLSL compute kernel to glBatchViewer
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- Add TBB compute kernel to glBatchViewer
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- Add a PullDown widget to our HUD in examples/common
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- GUI updates & cosmetic changes to GL example code
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- Adding a programmable image shader to gl_hud
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- Code cleanup for GLFrameBuffer in examples/common
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- Implement C-API accessor to evaluator topology (osdutil)
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- Add command line option to CMake's options
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- Add a CMake option to disable OpenCL
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- Add a FindCLEW.cmake module in anticipation of using CLEW as a dependency
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- Integrate CLEW into osd library and examples
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**Changes**
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- Change interleaved buffer support in OsdCompute:
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- Removed OsdVertexDescriptor and replaced with OsdVertexBufferDescriptor
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- Reorganize ComputeContext and ComputeController.
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- Reorganize EvalStencilContext and EvalStencilController
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Moved transient states (current vertex buffer etc) to controller
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- Reorganize EvalLimitContext and EvalLimitController
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Moved transient states (current vertex buffer etc) to controller
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- Fix adaptive isolation of sharp corner vertices
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- Fix incorrect FarMeshFactory logic for isolating multiple corner vertices in corner patches
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- Change EvalLimit Gregory patch kernels to the large weights table to accomodate higher valences
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- Fix calculation of screen space LOD tess factors for transition corner patches.
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- Add a public constructor to OsdMesh
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- Decrease compiler warning thresholds and fix outstanding warnings
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- Make PTex support optional
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- Add a NO_MAYA flag to CMakeLists to disable all Autodesk Maya dependencies in the build
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- Document NO_MAYA command line option
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**Bug Fixes**
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- Fix mistakenly deleted memory barrier in glsl OsdCompute kernel.
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- Fix shape_utils genRIB function to use streams correctly.
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- Temporary workaround for the synchronization bug of glsl compute kernel
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- Fix Hud display for higher DPI (MBP retina)
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- Fix Hud (d3d11)
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- Fix examples to use GL timer query to measure the GPU draw timing more precisely
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- Fix glViewer: stop updating during freeze.
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- Fix file permissions on farPatchTablesFactory.h
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- Fix some meory leaks in adaptive evaluator (osdutil)
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- Fix OsdUtilAdaptiveEvaluator concurrency issue
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- Fix OsdUtilRefiner incorrect "Invalid size of patch array" error reporting.
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- Fix OsdUtilPatchPartitioner failure for triangle patches
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- Fixes a bug that causes OsdUtilPatchPartitioner to fail to rebuild the face-varying
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data table correctly for triangle patches.
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- Add missing third parameter to templated OsdDrawContext usage (osdutil/batch.h)
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- Return success status from openSubdiv_finishEvaluatorDescr() (osdutil)
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- Remove debugging std::cout calls (osdutil)
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- Build errors & warnings:
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- Fix OSX Core Profile build (GLFrameBuffer)
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- Fix ptexViewer build error on OSX
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- Fix framebuffer shader compiling for OSX
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- Reordering includes to address a compile error on OSX/glew environment
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- Fix compilation errors with CLEW enabled
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- Fix icc build problems
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- Fix compiler warnings in OsdClVertexBuffer
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- Fix compilation error on windows+msvc2013
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- Fix build warnings/errors with VS2010 Pro
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- Fix Windows build warning in FarPatchTablesFactory
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- Fix doxygen generation errors
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Release 2.4.1
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=============
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**Changes**
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- Add correct OpenSubdiv namespace begin/end blocks.
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**Bug Fixes**
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- Compile osdutil with -fPIC for correct linking.
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- Fix a bug of OsdUtilMeshBatch, the varying buffer isn't computed with CL kernels
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- Fix FindGLFW.cmake to use the %GLFW_LOCATION% environment variable in Windows
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- Fix Draw contexts do not fully initialize patch arrays
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Release 2.4.0
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=============
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**New Features**
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- Adding functionality to store uniform face-varying data across multiple levels of subdivision
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- Add OsdUtilPatchPartitioner.
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It splits patcharray into subsets so that clients can draw partial surfaces
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for both adaptive and uniform.
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**Changes**
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- Remove FarMesh dependency from Osd*Context.
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- Use DSA APIs for GL buffer update (if available).
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- Refactor Far API
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- replace void- of all kernel applications with CONTEXT template parameter.
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It eliminates many static_casts from void- for both far and osd classes.
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- move the big switch-cases of far default kernel launches out of Refine so
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that osd controllers can arbitrary mix default kernels and custom kernels.
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- change FarKernelBatch::kernelType from enum to int, clients can add
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custom kernel types.
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- remove a back-pointer to farmesh from subdivision table.
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- untemplate all subdivision table classes and template their compute methods
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instead. Those methods take a typed vertex storage.
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- remove an unused argument FarMesh from the constructor of subdivision
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table factories.
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- Refactor FarSubdivisionTables.
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Delete scheme specialized subdivision tables. The base class FarSubdivisionTables
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already has all tables, so we just need scheme enum to identify which scheme
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the subdivision tables belong to. This brings a lot of code cleanups around far
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factory classes.
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- Move FarMultiMeshFactory to OsdUtil.
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- Move table splicing functions of FarMultiMeshFactory into factories
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- Change PxOsdUtil prefix to final OsdUtil prefix.
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- Improve error reporting in osdutil refinement classes, and fix a build issue
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**Bug Fixes**
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- Fix another multi mesh splicing bug of face varying data.
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- Make CMake path variables more robust
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- Fixing a crash on Marvericks w/glew
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- Update dxViewer example documentation
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- Fix wrong logic in openSubdiv_setEvaluatorCoarsePositions
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- Remove debug print from adaptive evaluator's initialization
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Release 2.3.5
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=============
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**New Features**
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- Add the ability to read obj files to the dxViewer example
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- Add screen-capture function to ptexViewer
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- Update documention for Xcode builds
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- Add documentation (boundary interpolation rules and face-varying boundary interpolation rules)
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**Changes**
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- Refactoring FarPatchTables and FarPatchTablesFactory
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- Move GL vertex buffer VBO buffer allocation out of allocate() and into BindVBO()
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- Enable uvViewer on OS X now that Mavericks is released.
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- Replacing un-necessary dynamic_cast with reinterpret_cast within FarDispatcher
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- Minor code cleanup of FarMeshFactory
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- Remove address space qualifiers from OpenCL kernel functions
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- Fix OpenCL initialization to be slightly more robust
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- Add OpenCL header include paths where necessary
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- Add 'static' specifiers for non-kernel CL funcs at program scope
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- Add stddef.h to python/osd/osdshim.i
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- Modify ptexViewer and uvViewer shaders to address some portability issues
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**Bug Fixes**
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- Fix Gregory Boundary patch buffer overrun
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- Fix black texels when the resolution of a ptex face is less than 4
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- Fix a splicing bug in FarMultiMeshFactory
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- Fix a build error when using older versions of GLFW
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- Fix build warnings (optimized)
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- Fix FindTBB.cmake
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- Fix FindMaya.cmake
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- Fix glViewer support for GLSL compute
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- Fix ptexViewer: enable specular pass in both IBL and point lighting
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- Fix Zlib include in ptexViewer
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- Fix ptexViewer shader errors.
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- Fix osdPolySmooth Maya plugin
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- Fix UV merging in osdPolySmooth code example
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- Add cleanup function to osdPolySmooth Maya plugin
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- Fix Maya OsdPolySmooth node component output
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- Fix GLSL array instantiation syntax for glStencilViewer
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- Fix examples to run correctly on high DPI displays with GLFW 3
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Release 2.3.4
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=============
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**New Features**
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- Adding CPU/OMP/TBB Context / Controller pairs for CPU evaluation of smooth normals
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- Added adaptiveEvaluator class inspired by Sergey's work in blender (OsdUtil)
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**Changes**
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- Changed the HUD to ignore mouse clicks when not visible.
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- Updates for blender development (OsdUtil)
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- Add C compatible API to access the adaptiveEvaluator class from non-C++ (OsdUtil)
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- Update license headers to apache (OsdUtil)
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- CMake build improvement : make osd a cmake object library & remove compiling redundancies
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- Improve stringification of shaders & kernels in CMake build
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**Bug Fixes**
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- Fixed iOS build
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- Fixed VS2010 warnings/errors.
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- Fix OsdCpuEvalLimitKernel
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- Fix maxvalence calculation in FarMeshFactory
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- Fix FarStencilFactory control stencil caching
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- Removing assert for high-valence vertices running off limit tangent pre-computed table.
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- Fix degenerate stencil limit tangent code path.
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- Fix unused variable build warnings (gcc 4.8.2 - Fedora 19)
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- Fix build warning from osdutil/adaptiveEvaluator.cpp
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Release 2.3.3
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=============
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**Changes**
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- Modify Far remapping of singular vertices to point to their source vertex.
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- Refactoring Ptex Mipmap and Analytic Displacement code
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- Adding some documentation for Chaikin crease rule
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- Misc. improvements to PxOsdUtilsMesh
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- Adding recommended isolation output to OsdPolySmooth node
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**Bug Fixes**
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- Adding an error check on version parsing of main CMakeLists
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- Fix regex in FindMaya.cmake that breaks with recent versions of Maya
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- Fix crashes induced by typeid
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- Fixed VS2010 build warning
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- Fix build break in hbr_regression
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- Fix incorrect capitalization in GL ptexViewer shader.glsl
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- Fix OSX build: add stdlib.h include
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Release 2.3.2
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=============
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**New Features**
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- Adding control cage drawing to ptexViewer
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- Adding Maya osdPolySmooth plugin into OpenSubdiv examples.
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**Changes**
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- Removing some glGetError checks that are causing problems for Autodesk
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- D3D11DrawRegistry returns the common shader config for all non-tess patcharrays.
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- Updates to simple cpu osdutil classes
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**Bug Fixes**
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- Fix Hbr Chaikin crease rule
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- Fix Chaikin tag parsing
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- Fix return value of allocate function for OsdCPUGLVertxBuffer
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- Fixed GLSL shader portability.
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- Fix FindGLFW.cmake for GLFW 3.03 on OSX
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- Fixed compiler warnings.
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- Fixed VS2010 build errors
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- Fixed WIN32 build error when no DXSDK installed.
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- Fix OSX build: stdlib.h needs to be included in glPtexMipmapTexture.h
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- Fix for crash in new mesh/refiner code in OsdUtil
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Release 2.3.1
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=============
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**New Features**
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- Add DX11 version of ptex mipmap loader
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- Add DX11 ptex viewer (work in progress)
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- Add DX11 fractional partitioning, normal derivatives computation
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- Add memory usage controls to Ptex loader
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- Add face-varying boundary interpolation parsing to shape_utils
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- Add simple HbrMesh and FarMesh wrapper classes to osdutil
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**Changes**
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- Amend language of attribution file 'NOTICE.txt'
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- Optimize a bit of ptex mipmap lookup.
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- Show ptex memory usage in GL and DX11 ptexViewers
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- Improve ptex guttering
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- Addding some video links to our collection of external resources
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**Bug Fixes**
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- Fix edge-only face-varying interpolation
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- Fix Far to handle disconnected vertices in an Hbr mesh
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- Fixed ptex cache resource release sequence
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- Fix build symbol conflict in Far
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- Fix patch parambuffer generation in OsdD3D11DrawContext
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- Fix a minor osdutil build warning (seen with gcc 4.8.1)
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- Fix VS2010 build errors
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Release 2.3.0
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=============
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**New Features**
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- Added Analytical displacement mapping ('Analytic Displacement Mapping using
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Hardware Tessellation; Niessner and Loop [TOG 2013])
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- Added a new ptex mipmap loader
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- Added face varying macros for loop subdivision
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- Added the uvViewer example to see how face varying interpolation rule works
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- Added a slider component and cleanup hud code.
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**Changes**
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- Adding license & attribution files, improved language of the code headers
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- Install documentation into the Filesystem Hierarchy Standard location
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- Set GLFW_OPENGL_FORWARD_COMPAT on Mac OS to make samples work on that platform
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- Added surface normal mode & mipmap to ptxViewer
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**Bug Fixes**
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- Fix a bug of bad fvar splicing for loop surface.
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- Fix incorrect bilinear limit tangents in FarStencilTablesFactory
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- Fix boundary interpolation rules doc
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- Added an error check on updating cuda buffer
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- Fix face varying rendering on loop surface
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- Fixed glBatchViewer build for GLFW 2.x
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- Expand search paths for FindGLFW.cmake for Debian and other Linux architectures
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- Fix CMake executable builds for ICC
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- Fix bhr baseline regression, so reference files are real OBJ's
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- Fixed clKernelBundle.cpp to build on Android.
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- Fix misc build warings
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Release 2.2.0
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=============
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**New Features**
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- Added subdivision stencil functionality (Far & OsdEval)
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**Bug Fixes**
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- Fix D3D11DrawContext to check for NULL pointers
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- Fix cpuEvalLimitController crash bug
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- Fixed search path suffixes for ICC libs
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- Fixed invalid initialization of glslTransformFeedback kernel.
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Release 2.1.0
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=============
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**New Features**
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- Added TBB Compute back-end on Linux (contribution from Sheng Fu)
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- Added support for ICC compiler (still Beta)
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**Changes**
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- Added constructor to OsdMesh with a FarMesh * as input
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- Modify CMake to name and sym-link DSO's based on Linux ABI versioning spec
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- Added command line input to DX11 viewer
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- FarMultiMesh can splice uniform and adaptive meshes together.
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**Bug Fixes**
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- Fix FarMultiMesh splicing
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- Removed unnecessary cudaThreadSynchronize calls.
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- Fix glViewer overlapping HUD menus
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- Fix facevarying rendering in glBatchViewer
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- Fix build of GLSL transform feedback kernels
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- Fix 'Getting Started' documentation
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Release 2.0.1
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=============
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**New Features**
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- New CLA files to reflect Apache 2.0 licensing
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**Changes**
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- Move all public headers to include/opensubdiv/...
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- Adding Osd documentation based on Siggraph slides
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**Bug Fixes**
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- Fix incorrect transition pattern 3 in GLSL / HLSL shaders
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- Fix CMake build to not link GPU-based libraries into libosdCPU
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- Fix support for GLEW on OSX
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- Fix GLFW Xrandr & xf86vmode dependency paths for X11 based systems
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- Fix HUD display overlaps in code examples
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- Fix FindGLEW.cmake to be aware of multiarch on linux systems
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- Fix some hard-coded include paths in CMake build
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Release 2.0.0
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=============
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**New Features**
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- New CMake build flags: NO_LIB, NO_CUDA, NO_PYTHON)
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**Changes**
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- OpenSubdiv is now under Apache 2.0 license
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- HbrHalfedge and HbrFVarData copy constructors are now private
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- Documentation style matched to graphics.pixar.com + new content
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- Add an animation freeze button to ptexViewer
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- Variable name changes for better readability across all example
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shader code
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**Bug Fixes**
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- Fix incorrect patch generation for patches with 2 non-consecutive boundary edges
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- Fix "undefined gl_PrimitiveID" shader build errors
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- Fix for shader macro "OSD_DISPLACEMENT_CALLBACK"
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- Fix out-of-bounds std::vector access in FarPatchTablesFactory
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----
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Release 1.2.4
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=============
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**New Features**
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- Adding support for fractional tessellation of patches
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- Adding a much needed API documention system based on Docutils RST markup
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- Adding support for face-varying interpolation in GLSL APIs
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- Adding varying data buffers to OsdMesh
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- Adding accessors to the vertex buffers in OsdGlMesh
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- Adding face-varying data to regression shapes
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**Changes**
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- Cleanup of common bicubic patch shader code (GLSL / HLSL) for portability
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(ATI / OSX drivers)
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**Bug Fixes**
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- Fix FarVertexEditTablesFactory to insert properly vertex edit batches
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(fixes incorrect hierarchical hole in regression shape)
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- Fix FarPatchMap quadtree to not drop top-level non-quad faces
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- Fix Gregory patches bug with incorrect max-valence
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- Fix FarPatchTables::GetNumFaces() and FarPatchTables::GetFaceVertices()
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functions to return the correct values
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- Fix face indexing GLSL code (ptex works on non-quads again)
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- Fix face-varying data splicing in FarMultiMeshFactory
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- Fix ptex face indexing in FarMultiMeshFactory
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- Fix glew #include to not break builds
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- Fix Clang / ICC build failures with FarPatchTables
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- Fix build and example code to work with GFLW 3.0+
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- Fix cmake to have ptex dynamically linked in OSX
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----
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Release 1.2.3
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=============
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**New Features**
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- Adding Varying and Face-Varying data interpolation to EvalLimit
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**Changes**
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- EvalLimit API refactor : the EvalContext now has dedicated structs to track all
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the vertex, varying and face-varying data streams. Also renamed some "buffers"
|
|
into "tables" to maintain code consistency
|
|
- EvalLimit optimization : switch serial indexing to a quad-tree based search
|
|
|
|
**Bug Fixes**
|
|
|
|
- Face-varying data bug fixes : making sure the data is carried around appropriately
|
|
Fixes for OpenCL use with the new batching APIs
|
|
- GLSL general shader code cleanup & fixes for better portability
|
|
- GLSL Tranform Feedback initialization fix
|
|
- Critical fix for FarMultiMesh batching (indexing was incorrect)
|
|
- Fix osdutil CL implementation (protect #includes on systems with no OpenCL SDK
|
|
installed)
|
|
- Fix face-varying interpolation on adaptive patches
|
|
- FarPatchTables : fix IsFeatureAdaptive() to return the correct answer
|
|
- Fix Far factories to handle the absence of face-varying data correctly.
|
|
- Many GLSL shader code style fixes which should help with ATI / OSX shader compiling
|
|
|
|
----
|
|
|
|
Release 1.2.2
|
|
=============
|
|
|
|
**New Features**
|
|
|
|
- Introducing the EvalLimit API : the Eval module aims at providing support for
|
|
computational tasks that are not related to drawing the surfaces. The EvalLimit
|
|
sub-module provides an API that enables client code to evaluate primitive variables
|
|
on the limit surface.
|
|
|
|
.. image:: images/evalLimit_hedit0.jpg
|
|
:height: 300px
|
|
:align: center
|
|
:target: images/evalLimit_hedit0.jpg
|
|
|
|
- Osd<xxx>ComputeController : minor optimization. Added early exit to Refine method
|
|
to avoid unnecessary interop.
|
|
|
|
**Changes**
|
|
|
|
- OsdGLDawContext : minor API change. Protecting some member variables and adding
|
|
const accessors
|
|
- OsdError : minor API refactor, added Warning functions.
|
|
|
|
**Bug Fixes**
|
|
|
|
- Fix Ptex bug : prevent corner texel guttering code to from going into infinite
|
|
loops
|
|
- Adding the ability for a FarMeshFactory to construct patchTables starting from
|
|
'firstLevel' in uniform subdivision mode
|
|
- Consolidating the color coding of bicubic patch types through all our our code
|
|
examples (this is used mostly as a debugging tool)
|
|
- Fixing some MSVC++ build warnings
|
|
- Update to the outdated README.md
|
|
|
|
----
|
|
|
|
Release 1.2.1
|
|
=============
|
|
|
|
**New Features**
|
|
|
|
- Added CUDA runtime error checking
|
|
|
|
----
|
|
|
|
Release 1.2.0
|
|
=============
|
|
|
|
**Changes**
|
|
|
|
- Major Far refactor around patchTables to introduce the draw batching API
|
|
- Renaming osd_util to osdutil
|
|
|
|
**Bug Fixes**
|
|
|
|
- Fix GLSL transform feedback initialization bug in ptexViewer
|
|
- Minor bug & typo fixes
|
|
|
|
----
|
|
|
|
Release 1.1.0
|
|
=============
|
|
|
|
**New Features**
|
|
|
|
- release initiated because of the switch to Git Flow
|
|
|
|
----
|
|
|
|
Release 1.0.0
|
|
=============
|
|
|
|
Oringal release:
|
|
|