svn commit: r263885 - in head/sys/dev/vt: . hw/vga

[Nathan Whitehorn]

On 03/28/14 15:04, Aleksandr Rybalko wrote:
> Author: ray
> Date: Fri Mar 28 22:04:27 2014
> New Revision: 263885
> URL: http://svnweb.freebsd.org/changeset/base/263885
>
> Log:
>    o Add new vd_driver method to do bitblt with mask, named vd_maskbitbltchr.
>    o Move vd_bitbltchr vga's driver method to vd_maskbitbltchr.
>    o Implement new vd_bitbltchr method for vga driver. (It do single write for 8
>    	pixels, have to be a bit faster).
>    

Can you describe what this does? From the commit message, it sounds like 
it might repair vt performance on cards with 8-bit framebuffers 
generally, but I can't figure out the code.
-Nathan