On Mon, Apr 08, 2002 at 06:07:51 +1000, Robert Collins wrote: > > > > -----Original Message----- > > From: Alan Hourihane [mailto:[EMAIL PROTECTED]] > > Sent: Monday, April 08, 2002 6:05 PM > > To: [EMAIL PROTECTED] > > Subject: Re: Native GDI > > > > > > On Mon, Apr 08, 2002 at 04:03:40 +1000, Robert Collins wrote: > > > Just a question: how does X cope with region invalidate - > > say with the > > > Xnest engine? I'm wondering how the native GDI engine will handle > > > having regions invalidated by win32 apps in front of it, without an > > > off-screen buffer. > > > > > I believe WM_PAINT is our friend here. Then we can issue the > > X calls inside the server to repaint the region(s). > > Yes, that's the mechanics of getting alerted... but unless we have a > backing store, we need to issue Expose events to the X clients (which is > a potential performance issue). > Correct. At the moment I don't care about performance in the Native GDI server. That'll come later. There are many bugs and unimplemented functions to do first.
Alan.
