Android N will get a excessive-efficiency VR mode
Even probably the most cussed fence-sitters should admit it: Digital actuality is worming its means into our the material of our tradition. A part of VR’s progress is as a result of we will now simply strap telephones to our faces and see different worlds, however that sometimes requires plenty of work from telephone makers like Samsung and LG to get their VR hardware and software program working good. The software program aspect of that equation may need simply gotten method simpler to determine although, because of Google’s announcement of VR mode for Android N.
In a nutshell, consider VR mode as a particular excessive-efficiency mode in your smartphone. As Google’s VP of Engineer for Android Dave Burke places it, a telephone that meets sure standards and conforms to “a lot of guidelines” can declare itself “VR-prepared”. From there, apps like digital actuality video games and YouTube can hearth up VR mode to unlock additional energy and — crucially — drive down the latency between the second you progress the telephone mounted to your head and the second you see your surroundings change on-display. An excessive amount of latency means you aren’t getting the kind of persistent, “I am truly elsewhere” feeling as you spin round with a telephone in your face.
We’re advised getting so far required work on nearly each degree of Android N’s software program stack. When VR mode is on, it modifications how Android interprets info coming from its sensors. Graphics should be drawn in a different way, too. Often, Android makes use of a double graphics buffer the place one set of photographs is drawn on the display after which swapped with one other set saved in reminiscence. With VR mode on, although, apps can use a single buffer mode the place photographs are changed a lot quicker, on a scan line-by-scan line foundation.
Oh, and curiously sufficient, Burke additionally talked about in a weblog submit that builders would have entry to an “unique CPU core for VR apps” — we’re nonetheless making an attempt to determine how that works. Nonetheless, it is exhausting to argue with outcomes. To place issues in perspective, Samsung and Oculus managed to get movement-to-photon latency to beneath 20 milliseconds with the Gear VR. Google’s work appears to have matched that extremely-low latency: the Nexus 6P with VR mode inside Google Cardboard additionally is available in underneath that 20 millisecond bar, in comparison with the one hundred millisecond latency with out VR mode.
There’s nonetheless lots to dissect right here, and we’ll replace this story as we study extra.
For all the newest information and updates from Google I/O 2016, comply with alongside right here.