[HDRP + VR] MSAA/Forward Rendering causes stereo effect in one eye

,

Has anyone had this issue located in this thread? The issues with MSAA is the only thing keeping me from upgrading my VR project to 2019.

Summary of the problem is that when using MSAA in VR, both eyes start rendering to the left eye, and the right eye goes black.

(edited)

I’d suggest following the recommendations from this thread .

As a recap:
2019.1 : only single-pass (double-wide) is supported and MSAA is NOT compatible with it (broken)
2019.2+ : multi-pass and single-pass (instancing) are supported but single-pass (double-wide) is not

Right. In 2019.1.9f1 I created a new project with the HDRP template. It uses HDRP 5.7.2 preview by default. I enabled VR in Player settings and set it to single pass (double-wide). I then went to the HDRenderPipelineAsset and changed Lit Shader Mode to Forward Only, and Multisample Anti-aliasing Quality to 4x. I then checked the box for “MSAA within Forward”, and I end up with the issue.

My HMD is the original Vive (steam VR is not imported into the project, but importing it doesn’t change anything).

Thanks for taking the time to post your detailed repro steps! We were able to reproduce this with your workflow and have opened a ticket to resolve this issue.

Unfortunately we won’t be able to fix this issue in the 2019.1 package. We suggest upgrading to 2019.2 where this issue appears to be resolved.

1 Like

Thanks for the update!