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alvr-org / ALVR

Stream VR games from your PC to your headset via Wi-Fi
MIT License
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Warped image after Oculus API change #88

Closed JackD83 closed 4 years ago

JackD83 commented 4 years ago

Some games produce a warped image after oculus changed its required API beginning with Oculus Version 9. The result looks like the field of view is way to large.

The distortion is caused by the required <uses-feature android:name="android.hardware.vr.headtracking" android:required="true" android:version="1"/>

in the client manifest to enable controller tracking on later firmware versions

Known broken games are:

After the change from oculus, the reported fov changed from: GetProjectionRaw Eye=0 (l,r,t,b)=(45.000000,45.000000,45.000000,45.000000) to GetProjectionRaw Eye=0 (l,r,t,b)=(52.000000,42.000000,53.000000,47.000004)

I tried to change it back manually, but this parameters change the rendering on the quest and forcing it to the old values did not help

zmerp commented 4 years ago

Found the fix! #102 Before I proceed with the fix, I want to know: is DCS the only one that require the tracking system string to be changed? Is a "Emulate Vive headset" option enough or is it better to allow the user to set custom strings for tracking system, serial number, model number, etc... ? It happens that when I substitute all Oculus Rift S strings with Vive ones (taken from polygraphene's repo), when I disable the controllers and I use a gamepad, in the SteamVR house the gaze pointer no longer works so I cannot teleport and cannot use the UI. But when using the controllers everything seems fine. I think it would be better to give the user the ability to experiment with custom strings and then I would add presets to reset them to Rift S or Vive.

JackD83 commented 4 years ago

Maybe we should add the Vive as emulated headset like the Rift S Controller Mode in the other tab. At first I was thinking that the faulty games should be fixed, but I realize now that that will never happen

JackD83 commented 4 years ago

@eyelykaynal please test ev9 with DCS World

@Letrange-g can you please test your games; Rainfall Megaton and A-Tech Cybernetic VR with ev9 and the warp fix? I'm not sure how Rainfall Megaton should look like and I can't play it for long without motion sickness

I tested Tomb Raider and it works great

colin-gordon commented 4 years ago

Hey man,

I will aim to do this tomorrow, time permitted.

On Sat, 29 Feb 2020, 14:27 JackD83, notifications@github.com wrote:

@eyelykaynal https://github.com/eyelykaynal please test ev9 with DCS World

@Letrange-g https://github.com/Letrange-g can you please test your games; Rainfall Megaton and A-Tech Cybernetic VR with ev9 and the warp fix? I'm not sure how Rainfall Megaton should look like and I can't play it for long without motion sickness

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colin-gordon commented 4 years ago

This is working quite well now. The warping is gone but the cockpit looks a little jittery when looking around. This could possibly fixed with some tweaking of the settings though, I will let you know when I've had a chance to try.

Nice work!