tree dd59d9f3e94274d6d8cf46fb28780a78392a3e4f
parent 3f84483382be2d528918cc1a6fbc6a7d68e0b181
author Mathias Agopian <mathias@google.com> 1376452283 -0700
committer Mathias Agopian <mathias@google.com> 1376452283 -0700

don't reallocate the mesh each time we use it

the Mesh object can be part of each Layer (at least currently).
also reworked the Mesh code a bit to make it easier to access
the vertex data.

Change-Id: I0490851ba898f0aa2e55b62958dcd8bdb535e98b