VirtualBox

Changes between Version 5 and Version 6 of Guest_resizing


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Timestamp:
03/17/2017 04:46:54 PM (9 months ago)
Author:
michael
Comment:

X.Org/Wayland Guest Additions

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  • Guest_resizing

    v5 v6  
    1818=== Windows guests === 
    1919 * VBoxVideo: the main graphics driver loaded into the kernel.  It can tell how many screens (that is, screen connectors) the guest currently supports, and can enable and disable them as well as setting resolutions to them.  It reports this information to Windows on the guest.  It can not receive information from the host about screen changes (mode hints, monitor unplug or hotplug) itself, but provides an interface for a user-space tool which can to provide that information.  It remembers information received in the Windows registry and simply assumes when it loads that the configuration has not changed since it was last used. 
    20  * VBoxTray: a user-space daemon which is loaded when a user logs into Windows on the guest and runs as part of that session.  It can receive screen change information from the host and forward it to VBoxVideo. 
     20 * VBoxTray: a user-space daemon which is loaded when a user logs into Windows on the guest and runs as part of that session.  It can receive screen change information from the host and forward it to VBoxVideo.  It also handles seamless mode and other unrelated guest functionality. 
     21 
     22=== X.Org/Wayland guests === 
     23 * vboxvideo.ko: the main graphics driver loaded into the kernel, currently Linux-only (3.11 and later).  It is known to be supported by X.Org Server 1.17 and later and by GNOME Shell/Wayland as of at least Fedora 25.  It can receive information from the host about screen changes (mode hints, monitor unplug or hotplug) itself, though it depends on user-space to handle that.  All half-recent GNOME Shell versions (X.Org and Wayland), Ubuntu Unity versions and KDE versions do that. 
     24 * VBoxClient: a user-space daemon which is loaded when a user logs into X.Org on the guest.  It is loaded by the desktop environment and works with most known ones.  For desktop environments which cannot handle screen changes themselves it does that for them (it waits two seconds before responding to the change to give the environment a chance to respond itself, rather than trying to guess which can and which can't).  It cannot do this before log-in of course.  It also handles seamless mode and other unrelated guest functionality. 
     25 * vboxvideo_drv.so: the main graphics driver, but a different version which runs inside X.Org/XFree86 in user-space.  It cannot co-exist with vboxvideo.ko, but does roughly the same job.  It is supported up to X.Org Server 1.18.  So X.Org 1.19 and later cannot be used with Linux 3.10 and earlier except with fall-back graphics.  This is not expected to be a problem. 

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