DX9: Revert to the old EFB coordinate scaling. Glitches caused by higher EFB scales probably can't even be fixed properly in DX9, so let's not even mess with it...
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6573 8ced0084-cf51-0410-be5f-012b33b47a6e
Should fix problems caused by EFB scales other than Native (excluding fractional!). Test whether this fixes games which work fine with native EFB resolution but show glitches with higher internal resolutions.
Also fixed numerous warnings.
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6549 8ced0084-cf51-0410-be5f-012b33b47a6e