The Supersample node samples sub-pixel details several times to make them visible.
The Supersample node accepts an RGBA input.
The Supersample node generates a single RGBA texture that contains the result of the operation.
The Supersample node accepts the following parameters:
Size is the target resolution
Count is the number of samples per axis (high values may affect performances very badly)
Width is the size (in pixels) of the sampled area. Values greater than 1 may help antialias the result