Currently, there's a feature to duplicate a mask as an image, but there should be an easier way to make a generated mask as an image. It's like a baked state of a mask, so you can toggle between a baked mask or generated one.
[x] Basic implementation
[x] Delete baked mask image operator
[x] Make transfer UV work with baked mask
[x] Implement image/UDIM atlas for baked mask
[x] Bug: Wrong gamma when baking mask with blur on (Blender 2.79)
Currently, there's a feature to duplicate a mask as an image, but there should be an easier way to make a generated mask as an image. It's like a baked state of a mask, so you can toggle between a baked mask or generated one.