How can I be able to change the opacity of the LUT on a filter. Is there a way to do that.
My go to method is simply by using swizzle and pack the rgb and the alpha. Then connect an animation or slider to the alpha of the LUT-ed texture so when the alpha is 0, it reveals the default camera texture/any texture that you choose.
Yep, like @Adi_Satrio said, this takes the RGB of the LUT output and applies the alpha in a pack. Additionally, it blends on top of the camera texture, but you might be able to skip that step.
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Thank you Josh & Adi!
If I want a not changeable opacity, I just insert the value in the Pack patch right?
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Yeah if you want to hardcode it, that’s fine, just put in something between 0 and 1
You’re welcome. Good luck with your project 
Yes, that is correct. You can just type any values from 0 to 1.