keijiro/HdrpVatExample

Motion vector support

Camarent opened this issue · 3 comments

Camarent commented

Hi! Thank you for this sample!

I see one issue with vertex animation that I do not know how to fix. It does not work with motion vectors or work incorrectly.
Could you point me how to fix if it is possible?

Here is I describe what I tried: https://forum.unity.com/threads/enabling-motion-vectors-for-vat.940236/

Camarent commented

Here is kinda same problem with motion vectors: https://forum.unity.com/threads/enabling-motion-vector-pass-for-drawprocedural.939452/#post-6164598
There is a way to do it by custom pass but it will cause full re-render on that pass with same animation step as usual pbr with vat.
I see that Unity is discussing this problem but right now we do not have any estimation on that.

keijiro commented

Just for your information: As far as I know, there is no solution for this problem at the moment.

keijiro commented

I'll revisit this issue when the Shader Graph gets motion vector support.