In test-pyramid, add a (host) function to fill the outside of the pyramids with black : the pyramid is fine without it, but less prettier/displayable.
In test-pyramid, add a (host) function to fill the outside of the
pyramids with black : the pyramid is fine without it, but less
prettier/displayable.

twitwi/ClGaussianPyramid,twitwi/ClGaussianPyramid