Remote display with 3D acceleration using Wayland/Weston

[DRC]

On 12/14/16 8:52 PM, Carsten Haitzler (The Rasterman) wrote:
> weston is not the only wayland compositor. is the the sample/test compositor.
> wayalnd does not mean sticking to just what weston does.
> 
> i suspect weston's rdp back-end forces a sw gl stack because it's easier to be
> driver agnostic and run everywhere and as you have to read-back pixel data for
> transmitting over rdp... why bother with the complexity of actual driver setup
> and hw device permissions etc...
> 
> what pekka is saying that it's kind of YOUR job then to make a headless
> compositor (base it on weston code or write your own entirely from scratch
> etc.), and this headless compositor does return a hw egl context to clients. it
> can transport data to the other server via vnc. rdp or any other method
> you like. your headless compositor will get new drm buffers from client when
> they display (having rendered using the local gpu) and then transfer tot he
> other end. the other end can be a vnc or rdp viewer or a custom app your wrote
> for your protocol etc. ... but what you want is perfectly doable with
> wayland... but it's kind of your job to do it. that is what virtual-gl would
> be. a local headless wayland compositor (for wayland mode) with some kind of
> display front end on the other end.

Exactly what I needed to know.  Thanks.