rt_ao_pass

Traces short hemisphere rays against the scene per pixel, so a surface darkens by how much geometry actually stands around it rather than by what a depth buffer happens to show.

Bindings

name	kind
scene_color	texture2d
scene_depth	texture_depth
scene_normal	texture2d
scene_tlas	acceleration_structure
frame_cam	buffer
ao_params	buffer
ao_out	storage2d (rgba8)

Params

name	type	what it is
samples	float	hemisphere rays per pixel
radius	float	world-space occlusion reach