problem with single pass rendering

[unitycoder]

someone reported that single pass didnt work, but multi pass does (with VR)
https://forum.unity3d.com/threads/released-point-cloud-viewer-tools.240536/page-5#post-3187061

need to update shaders to support single pass

[unitycoder]

there is one vr singlepass shader included in v1.91, if it works, then will update the rest