Radeon ProRender

Bloom Filter




One of the filters that help reproduce real-world camera effects. Produces fringes (or feathers) of light extending from the borders of bright areas in an image, contributing to the illusion of an extremely bright light overwhelming the camera or eye capturing the scene.


Parameter Type Input/Output Description
radius float input Filter radius (relative to image dimensions). Actual radius in pixels is calculated in kernel as radius_in_pixels = image_width * radius.
Value range is [0.01, 1], default value is 0.1.
threshold float input Pixels with values below that wouldn’t be taken into account.
Default value is 0.
weight float input Area sum is multiplied by the weight value.
Default value is 0.1.
decay float input Light intensity decay, default value is 1 (no decay).