Finished implementation of HDR effects.
- Added a "Platform API" and basic support for CPU & GPU profiling based on MJP's example:
http://mynameismjp.wordpress.com/2011/10/13/profiling-in-dx11-with-queries/
- Added "FloatArray" to provide a fast, memory-saving alternative to Lua tables and a generic interface between scripts and contiguous shader parameters.
- Added array length getter to the ScriptInterpreter.
- First-pass optimised HDR shading.
- Optimised texture sampler indexing.
- Upgraded Lua 5.2.2 to 5.2.3
- Added more information to README.md, including new Zlib license