[haiku-development] Re: Reading the Mouse Cursor and Dirty Screen
- From: Adrien Destugues <pulkomandy@xxxxxxxxx>
- To: haiku-development@xxxxxxxxxxxxx
- Date: Sat, 28 Mar 2015 09:32:21 +0100
On Fri, Mar 27, 2015 at 12:10:21PM -0500, looncraz wrote:
> >Are you are suggesting setting up a virtual video board in effect? That
> >could be an interesting way of doing it, which would also speed up screen
> >reading since it would reside in main RAM, not the occasionally much
> >slower video memory. On the other hand, it would be simpler for the user
> >to understand a program that merely shows what's on the real screen,
> >remotely.
>
> A virtual video card (RemoteHWInterface) already exists for something like
> this, though I don't know the details. It should be immensely useful for
> running dedicated remote user sessions, but not so much gaining access to
> the current user session - as I see it.
Yes, this is used for the remote app_server which runs a separate
session. But it could be possible to add a "dispatcher" to forward the
drawing commands to two interfaces, so it gets a clone of the currently
running session instead.
>
> --The loon
>
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