[X2Go-User] Speed

[Robert Dinse]

      Was discussing how used to be able to watch videos on early x2go but
not anymore.  It was said to be a firefox issue.  I found an interesting
note in a vnc article but it might be applicable to x2go:

On XFree86/Xorg it is actually possible to increase the framebuffer read speed 
considerably (10-100 times) by using the Shadow Framebuffer (a copy of the 
framebuffer is kept in main memory and this can be read much more quickly.) To 
do this one puts the line Option "ShadowFB" "true" in the Device section of the 
/etc/X11/XF86Config or /etc/X11/xorg.conf file. Note that this disables 2D 
acceleration at the physical display and so that might be unacceptable if one 
plays games, etc. on the machine's local display. Nevertheless this could be 
handy in some circumstances, e.g. if the slower speed while sitting at the 
physical display was acceptable (this seems to be true for most video cards 
these days.) Unfortunately it does not seem shadowfb can be turned on and off 
dynamically...

      Wonder if tweaking with this could benefit x2go response?

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