render: blend: Fix additive blending mode.
authorDavid Thompson <dthompson2@worcester.edu>
Tue, 4 Dec 2018 01:17:11 +0000 (20:17 -0500)
committerDavid Thompson <dthompson2@worcester.edu>
Tue, 4 Dec 2018 01:17:11 +0000 (20:17 -0500)
commit5614906ac4482734e6e670e3c7842f88b40bc417
tree3f248664e25298db82b8cb67e568a4fda36f740c
parent3a5f0b977dd6ef7581b200515275cc67d8378138
render: blend: Fix additive blending mode.

* chickadee/render/blend.scm (apply-blend-mode): Use the correct
destination blending factor (one, not zero!) for additive blending.
chickadee/render/blend.scm