https://codereview.appspot.com/579630043/diff/555740043/lily/stencil-integral.cc File lily/stencil-integral.cc (right):
https://codereview.appspot.com/579630043/diff/555740043/lily/stencil-integral.cc#newcode465 lily/stencil-integral.cc:465: // more convoluted, but it's fairly hot path. On 2020/04/24 21:18:12, dak wrote: > Sorry for not being clear: the question was not why this change was effective in > saving time, but why it was valid. When thickness is zero, you only update the > upper skyline. Why would the lower skyline no longer need updating? Acknowledged. https://codereview.appspot.com/579630043/
