Like the title says. I’m unable to apply a spare channel to the alpha of an adjustment layer.
The function is present, like on the desktop version, but it seems that the spare channels on the iPad version are all locked to target the background layer. When I select a different active layer in the layer’s studio, it doesn’t become the new target for the spare channels.
As a workaround, I have to load the spare channel to the active selection, BEFORE loading an adjustment layer. Making the active selection the mask as the adjustment is being applied. That’s cool, but it makes it hard to A/B different spare channels as the alpha of an adjustment.
Here’s what I’m trying to do on the iPad version: