NVIDIA Cg Toolkit update

[Stefan]

The October 2009 version of Cg 2.2 includes these improvements:

    * Support for compiler options in CgFX compile statements
    * Enhanced performance when running on multicore CPUs
    * Selecting the "latest" profile is now deferred until an effect is validated
    * Better memory behavior when a program is repeatedly recompiled

See the release notes for a complete list of changes.

Version 2.2 of the Cg Toolkit adds capabilities and profiles to fully support all currently shipping graphics boards from NVIDIA. Applications leveraging Cg can now take advantage of:

    * "Latest" compiling option to easily leverage the latest GPU capabilities and performance
    * Support for geometry programs with DirectX10 and GLSL translation profiles
    * Support for pack_matrix() pragma improves HLSL compatibility
    * Fifteen new APIs for new features and added flexibility
    * Solaris 64-bit support
    * Expanded documentation and additional samples