Engine stage: bloom

Modal

Parameter	Default	Range	What it does
bloom_amount	0	0 – 1	How much of the blurred bright pass is added back; 0 turns the stage off entirely.
bloom_threshold	1	0 – 4	The linear level a pixel must exceed before it glows at all; raise it to bloom only highlights.
bloom_radius	1	0.25 – 4	Scales how far the glow spreads from the pixel that produced it.