tree f95fca1ae2db9c669a8c0a3d50ddae993ede5198
parent 681aec1930f5f93c43891de9cd3c821448a40768
author Sarah Parker <sarahparker@google.com> 1540242862 -0700
committer Sarah Parker <sarahparker@google.com> 1540340580 +0000

Pad images in pyramid

Vector optimized convolve functions require dimensions divisible by 8.
To use these to compute image gradients for optical flow, we need to
pad each level of the pyramid. This currently uses 0 padding for
simplicity.

Change-Id: I7567419ea7651485ca6ca6e13964a79a4f5d5095