The Ptex API is hosted as free open source at github.
Browse the change history.
Download the source:
|v2.0.0||Nov 23, 2009||Initial release|
|v2.0.22||May 28, 2010||Windows compatibility fixes, minor bug fixes|
|v2.0.29||May 2, 2011||Minor bug fixes. API change: added PtexPtr::reset method.|
|v2.0.30||May 9, 2011||Critical bug fix: threading crash when using multiple caches.|
|v2.0.33||Dec 14, 2011||Fixed crash when rendering triangle textures that have no stored mipmaps.|
|v2.0.37||Apr 8, 2013||Cmake support, compiler warnings, WIN32 export control.|
|v2.0.41||Apr 9, 2013||Limit I/O buffer size, avoid float/double conversion, remove LOD bias on bilinear filter, silence warnings.|
|v2.1.10||Dec 8, 2015||New cache architecture for better threading. New cache stats API. New edge filter mode for tangent-space maps. Optimizations.|