Hello there, I am an experienced programmer with many years of programming on Win32/DirectX. Now I have about 120,000 VC++ sloc's to port to OSX and OpenGL, plus a decent number of vertex and pixel shaders written in assembly-like code. Where to start? Is that even doable in a reasonable time frame? I am looking for book recommendations, web links and people willing to share their experience in a similar project. Thank you in advance.