Ideas for X improvement.
djackson452 at gmail.com
Sat May 28 08:49:49 PDT 2011
rootless operation is a big advantage in certain cases. But you are right,
it does not forward any vector graphics data, such as GLX commands, which
probably are somewhat faster than rasterised data. Currently, i am using
xpra and x11vnc on Xvfb. When you use x11vnc on Xvfb, it seems to work much
more quickly than it does on the main hardware X server does. I used to use
Xvnc but now I use Xvfb and x11vnc, xvnc did not support render, xvfb does.
Konqueror does not work without Xrender. So it seems to solve my problems. I
tried x11vnc with my hardware xserver and it seemed to have latency with
keypresses not displaying to screen quickly. With Xvfb and x11vnc there is
no latency problem, it is plenty responsive enough. So I so far am happy
with the x11vnc and Xvfb combo. Xvfb does seem to support GLX, and the GLX
works over x11vnc. GLXgears runs acceptably over xvfb and x11vnc. Since
Xvfb does not use real video hardware, I am guessing it uses Mesa software
inside Xvfb rendering of the OpenGL.
On Sat, May 28, 2011 at 9:14 AM, Glynn Clements <glynn at gclements.plus.com>wrote:
> Alan Coopersmith wrote:
> > http://en.wikipedia.org/wiki/Xpra
> > http://code.google.com/p/partiwm/wiki/xpra
> This is the VNC approach (render locally, forward raster data), but
> done on a window-by-window basis using compositing.
> As such, it suffers from most of the same problems as x11vnc
> (acceleration requires local video hardware, limited by frambuffer
> read speed, inter-client communication needs explicit handling, etc).
> AFAICT, the only advantage is "rootless" operation.
> Glynn Clements <glynn at gclements.plus.com>
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