render: buffer: Don't attempt to map a buffer that is already mapped.
authorDavid Thompson <dthompson2@worcester.edu>
Thu, 9 May 2019 20:27:44 +0000 (16:27 -0400)
committerDavid Thompson <dthompson2@worcester.edu>
Thu, 9 May 2019 20:27:44 +0000 (16:27 -0400)
commit94e892ff8c227c066543fa430dc4605db506944c
tree43b7de73cee2caac7373eec99e28c72de233cb63
parent3d59d97515a8d73d8c4ea5ff6aeb8fb617ca7cda
render: buffer: Don't attempt to map a buffer that is already mapped.

* chickadee/render/buffer (map-buffer!): Do nothing if buffer is
  already mapped to avoid throwing an error.
chickadee/render/buffer.scm