I have two camera setup of which first draws most of the scene and latter is used on drawing water. I draw second camera without any clear flags, taking advantage of first cameras depth buffer and such. However, it seems that motion vector information is camera specific (also with per object motion vectors) which causes issues when using TAA post processing as I have lost the per object motion.
As the camera transforms are totally synced between cameras, I might be able to reach wanted accuracy by just using first camera's motion vector buffer for second camera's post processing effects. Is there some straight forward way on forcing second camera to use first camera's motion vectors or any other good suggestions on how this could be solved?
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