compositor: Factor-out rectangle-obscuring check
authorNirbheek Chauhan <nirbheek@centricular.com>
Sun, 26 May 2019 15:29:23 +0000 (17:29 +0200)
committerNirbheek Chauhan <nirbheek@centricular.com>
Thu, 13 Jun 2019 15:01:50 +0000 (20:31 +0530)
commitecec30c1ca85d12ff5885156df012fee6d7510b2
treee72e63bd8fe177b23b396307464a394284f6b6c0
parenta3462a2c6df02d7de03700502851d5dcccd8643d
compositor: Factor-out rectangle-obscuring check

We're going to use this for checking if one of the pads obscures the
background.
gst/compositor/compositor.c