evas vg: clear mask buffer properly.
authorHermet Park <hermetpark@gmail.com>
Thu, 10 Jan 2019 05:15:07 +0000 (14:15 +0900)
committerJiyoun Park <jy0703.park@samsung.com>
Wed, 16 Jan 2019 02:13:33 +0000 (11:13 +0900)
commitc304b0acc3671370c687d6dbf340be96dc4c6823
tree987d84ef540e228ee28da7e72d9bda5868ba8595
parente4eb0e86d5b4cae2cf29422d1b6a9aa7a5e6e15f
evas vg: clear mask buffer properly.

when mask buffer is reused, it must be cleared first.