On Tue, 2010-11-09 at 14:01 -0500, Brian Wheeler wrote: > On Tue, 2010-11-09 at 13:47 -0500, Adam Jackson wrote: > > And I'm saying you can get the network remoting effect you like in X, in > > Wayland. It's not built into the local Wayland rendering system, but > > there are both trivial ways to add it (vnc-like) and complicated ways to > > add it (rdp-like) and both will work. > > So would it be a rooted VNC? If so, that simply sucks. The rdp style > is better, but I have a sneaking suspicion that it is going to be hit or > miss in different toolkits the same way that GUI/TUI admin tools are > always "kept in sync". Sorry, I assumed a bit much domain knowledge here. When I say "vnc-like" I mean "let's scrape the pixels out of the rendering buffer and shove them over the wire". VNC itself is rooted, but vnc-like remoting can be rooted or rootless. In wayland the fundamental object of composition is a whole window, so you have scrapeable surfaces both at the window level and at the top level. Take your pick. When I say "rdp-like" I mean "instill enough awareness of the possibility of remoting in the rendering system that remoting can send a rendering command stream instead of raw pixels if that seems to be a win". Wordy, I admit. And, obviously, much more work than just vnc-like scraping. But it's a serious win for WAN links, and is the only viable way to remote 3D, etc. And, of course, you can have both at once. rdp-like remoting probably requires toolkit awareness (in this bizarro world, the nested X server counts as a toolkit!), so if you end up remoting an app that lacks that level of toolkit support, you can fall back to vnc-like. - ajax
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