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Ticket Resolution Summary Owner Reporter
#7076 obsolete 2D acc makes seamless mode displaying desktop Seb
Description

The bug occurs since version 3.2.2 :

Enabling 2D acceleration makes seamless mode showing the desktop in any circumstances. Disabling it fixes the problem. I currently run a XP SP3 guest, but the problem seems present under Windows Seven guests, and maybe other non-tested guests.

Please read this post for more info.

#16666 duplicate 2D acceleration setting disabled on OSX (10.9.5) Socratis
Description
  • Host: OSX 10.9.5
  • Guest: Any.

The setting for the 2D acceleration is disabled/greyed out. You can't enable or disable it, it's stuck to the previous value (from 5.1.18 I mean). Or if you know your way, you can edit the .vbox file.

#9652 obsolete 2D acceleration: video overlay size doesn't change automatically Donuts
Description

Hi,

Host: VirtualBox 4.0.12 on Xubuntu 9.10 x86, Nvidia driver 260.19.29.

I'm using DScaler (http://deinterlace.sourceforge.net/) in a Windows XP SP3 guest. DScaler can use video capture devices to show video in a window on the Windows desktop. It can apply various image-processing methods before displaying.

DScaler uses the overlay feature, so I enabled the VirtualBox 2D acceleration feature. I mostly works correctly, however there is one minor problem.

When the overlay size is changed, the displayed video does not get resized as it should, until I move the DScaler window. As soon as I do that the video shows in the correct size.

To see the problem, run DScaler and start displaying video. Change the deinterlacing method (Deinterlace menu) between e.g. Simple Weave and Old Game. The Old Game deinterlacer uses a half-height overlay (which should occupy the same space on-screen). When you switch to the Old Game deinterlacer, the displayed video is squashed into the upper half of the window, with the previous video content remaining in the bottom half. If you move the DScaler window, this problem corrects itself and the video is stretched to fill the whole window.

Running DScaler natively in Windows (Vista) this problem does not occur.

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