Beta v2.0: changes from Beta v1.0
-New D3D11 and Optix interop Instant Radiosity sample
-New Visual Basic sample
-New CompiledCuda functionality for run-time compiling and saving of cuda shaders
-Added Optix 2.5 release assemblies
-Cleaner math interface
-Cleaner description interfaces
-Generalized obj loading and specialization
-User type buffers now work with d3d/ogl interop
-More error detection for d3d Buffers
Beta v1.0: Changes from Alpha v3
-Added Direct3D<9/10/11> Texture Interop sample
-Added Tutorial series sample
-Added acceleration caching to PathTracer and Traversal samples.
-Added various matrix functionality
-Fixed bug with D3DTextureSampler not creating from correct d3d device.
-Fixed major bug with Vector3.Transform
-New convenience function for making TextureSamplerDescs
Please note: you will need to install the 64-bit CUDA 4.0 SDK to compile the Optix.NET source for 64-bit ( this only applies to the source download ).