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d21lewis on 27 November 2016
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SvennoJ said:
d21lewis said:
I think that VR games are being rendered like three times. Once for each lense, and once on the TV screen. Maybe that effects performance.

Nah, the breakout box dewarps the left eye view (or right) to make the tv screen image, which is why it looks a bit distorted in the corners (and the bottom is cut off, in the headset you can see the whole dashboard down to the pedals)

It has to do the same on the ps4 to capture the footage though. I haven't noticed it affecting performance, I guess it uses the reserved CPU cores to dewarp the image, hence it's limited to 720p captures and 720p30 video footage. (ps4 pro can capture 1080p video in non vr videos) The TV screen looks to be 60fps coming out of the breakout box. (dunno what resolution)

Some games do send a seperate 1080p image along with the psvr stream. This is a compressed h.264 stream that goes via the USB cable to the breakout box, gets decoded and send on to the tv. Playroom VR does this in all its games.

Very informative. Thanks for the info!