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

[Aleksandr Rybalko]

On Sun, 30 Mar 2014 07:04:44 +0000
Alexey Dokuchaev <danfe at FreeBSD.org> wrote:

> On Sun, Mar 30, 2014 at 12:35:23AM +0200, Aleksandr Rybalko wrote:
> > vt(4) have to use bitblt like method which is able to do masked
> > write, since mouse cursor have to left visible characters under
> > itself. But masked bitblt quite expensive due to read from
> > framebuffer to apply mask or due to VGA graphics mode problem
> > (described here [1], lot of small read and writes which can't be
> > well optimized).
> > 
> > Characters can be drown with simple (not masked) method, so
> > vd_bitbltchr used most frequently.
> > Mouse cursor only one (at least vt(4) can care about one :) ). And
> > currently mouse support only single consumer for masked method.
> 
> I've always wondered why FreeBSD *ever* had this ugly
> "look-we-can-make-it- like-in-wind0ze" mouse pointer on the console.
> I've been always building kernel with SC_ALT_MOUSE_IMAGE; I'm really
> hoping (if this nonsense has to stay) there will be an option to
> completely disable it and all related code paths when vt(4)
> eventually replaces syscons(4).
> 
> ./danfe

its name SC_NO_CUTPASTE for both syscons(4) and vt(4).

-- 
Aleksandr Rybalko <ray at freebsd.org>