Re: [vbox-dev] How to access host vertical blanking intervals

2018-09-13 Thread Steve Longerbeam
Hello Klaus, On 09/13/2018 10:58 AM, Klaus Espenlaub wrote: Hello Steve, this "do what I want" request is tons more effort than what you think. This wasn't a request that it be implemented, only a general question as to whether there was a current API for it. :) 1. What is "the host

Re: [vbox-dev] How to access host vertical blanking intervals

2018-09-13 Thread Klaus Espenlaub
Hello Steve, this "do what I want" request is tons more effort than what you think. 1. What is "the host display"? By default the VM is shown in a window, which can span multiple physical screens. Also, what should happen in the headless VM case when the screen is accessed using an RDP client?

Re: [vbox-dev] How to access host vertical blanking intervals

2018-09-03 Thread Michael Thayer
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

[vbox-dev] How to access host vertical blanking intervals

2018-08-31 Thread Steve Longerbeam
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