NDisplay has a Custom Projection Policy but where can I access the custom parameters I add?

Hi. I’m working with nDisplay to apply some warp and blend to my displays.

I have made two custom parameters in the Custom Projection Policy called PreWarp and PostWarp (as pictured below)


but I’m not sure where or how to access these.

I wanted to modify the shader to use them like so


but it seems like they don’t make it all the way to the shader like alpha_gamma does.

It seems like there are a lot of nDisplay files I would have to modify to pass these custom params all the way to the shader; is there any other way to achieve what I’m trying to do? Thank you for your time.

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