Hello Steve, Nothing at the moment I'm afraid. It might be something we could consider adding some time (though it would be far from trivial, since we have four supported and additional unofficial host ports to make it work on). It is also something we might accept a patch for. One of the relevant code-owners is not available for the next week, so I can't say for sure.
Regards Michael 31.08.2018 22:54, Steve Longerbeam wrote: > Hello VBOX developers, > > I recently contributed a patch to in-kernel vboxvideo DRM driver which > adds support for page flip. However the implementation does not > make any attempt to sync page flip with host vertical blanking > interval, so it's possible a DRM page flip will result in tearing > artifacts. > > So is there a call that can be made into the hypervisor that would allow > receiving an event when host display has entered a vblank interval? > Something in the VBOX Main API perhaps? > > Thanks in advance, > Steve-- Michael Thayer | VirtualBox engineer ORACLE Deutschland B.V. & Co. KG | Werkstr. 24 | D-71384 Weinstadt ORACLE Deutschland B.V. & Co. KG Hauptverwaltung: Riesstraße 25, D-80992 München Registergericht: Amtsgericht München, HRA 95603 Komplementärin: ORACLE Deutschland Verwaltung B.V. Hertogswetering 163/167, 3543 AS Utrecht, Niederlande Handelsregister der Handelskammer Midden-Nederland, Nr. 30143697 Geschäftsführer: Alexander van der Ven, Jan Schultheiss, Val Maher
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Description: application/pgp-keys
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