When I go into texture paint and try to paint with a strenght less than 1 and I "raise" the brush it will overlay the previous stroke, thus darkening it (or strenghtening it).
Edit: I would like to paint over an existing material with multiple image textures, the attached images are just for explanation
I know this is expected behaviour, but I'm trying to give some sort of opacity to my paint so I can see the underlying texture as well. A full strength brush would just overwrite any colour that's under it.
Not raising a brush is not really an option as I need to move the camera and resize whenever I'm paiting on more complex shapes.
As you can see in the middle the colours get more "pronounced".
I've also tried adding a 0 alpha image and plugging it and the texture into a colour mix, with the factor coming from the 0 alpha, but that seems to darken the entire texture altogether for some reason.
Not sure if I'm just missing a painfully obvious setting here or something. My shading node knowledge is also pretty basic.
Hope someone can help me here.