depth_texture, square root (set to 3 for a total of 9 taps)
	# Times to tap the `depth_texture`, square root (set to 3 for a total of 9 taps)
	var depth_texture_taps = uniforms["depth_taps"].as(UniformInt) is lazy
					lib/gamnit/depth/more_materials.nit:596,2--597,71