RSX : set bunch of default values using opengl one
Merge pull request #410 from xsacha/master

CMake and stdafx improvements
Merge pull request #411 from raven02/patch-22

RSX : set default values using opengl one.
Remove m_alpha_func sanity check
Merge pull request #412 from raven02/patch-23

Remove m_alpha_func sanity check
Warnings: Fix several warnings.