On Wed, Oct 9, 2013 at 3:36 PM, Steven Newbury <st...@snewbury.org.uk> wrote: > On Tue, 8 Oct 2013, 23:51:13 BST, Dave Airlie <airl...@gmail.com> wrote: >> >> That would be the local rendering solution I think we'd prefer, >> >> qemu runs as qemu user, uses EGL to talk to the drm render-nodes, >> has some sort of unix socket that the viewer connects to and can hand >> fds across, then the client viewer uses EGL or GLX to render on-screen >> and import the handles into EGL and displays the contents, there may >> be a small bit of sync info to send across. >> >> For remoting then we'd have an extra readback (slow) from the GPU and >> then spice or vnc encoding stages. > For the non-local case wouldn't it be possible to have the GPU render > directly to a shared buffer in system RAM rather than to the GPU memory and > reading back?
No that generally is a really bad idea, since things like blending involve reading back from the video ram, and it would generally end up being worse for framerates than reading back. Dave. _______________________________________________ Spice-devel mailing list Spice-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/spice-devel
