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VadymDobrohursk
Participant
July 17, 2017

Singlepass bug on devices with Mali

Not sure where to post this - Unity marked this bug as "won't fix". Maybe this is a driver related problem or GearVR. 
So, bug description: Single-pass stereo is using the same eye index for both eyes on Gear VR
1.  Single-pass stereo is using the same eye index for both eyes on Galaxy S6 SM-G920F (Exynos 7420 Octa, Mali-T760MP8)
2. Open project. Switch to Android. Generate osig files for your device(s) (https://dashboard.oculus.com/tools/osig-generator/). Run on device. Cube will be red in both eyes (should be red and green, as in Editor) 
Extended description: https://issuetracker.unity3d.com/issues/android-gearvr-both-eyes-are-rendered-in-the-same-color-when-using-single-pass-stereo-rendering-method-star-on-mali-gpu

Link to simpe project showing the bug:
https://1drv.ms/u/s!AoTwxKaxH8d4huIOdG5_GoSH0PNTWQ
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    3 replies

    VadymDobrohurskAuthor
    Participant
    July 17, 2017
    In Player settings, make sure Stereo Rendering Method is set to Single Pass 

    JianZ
    Inspiring
    July 17, 2017
    hey @VadymDobrohurskyi

    I checked your shader,  Android single pass rendering has some different with the PC one( due to driver bug workaround ), you have to follow certain steps to have it applied, Unity document it here https://docs.unity3d.com/Manual//Android-SinglePassStereoRendering.html
    However, the doc has a few typos/errors,  I had changed your shader as an example,  you can use it as reference.

    I'll talk to unity to have them fix the doc

    Cheers
    VadymDobrohurskAuthor
    Participant
    July 17, 2017
    That's awesome, @JianZ!
    Thank you, shame on me :)


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