NixOS-configs/modules/wallpaper-engine/materials/util/downsample_quarter_linear.json

{
	"passes": [{
		"shader": "downsample_quarter_linear",
		"depthtest": "disabled",
		"depthwrite": "disabled",
		"textures": ["_rt_FullFrameBuffer"],
		"cullmode" : "nocull"
	}]
}