3 commits

Author	SHA1	Message	Date
Jan Schmidt	d5ca311a0d	compositor: Revert most of previous patch. ... The calculation doesn't produce the same results. Keep just the change to divide alpha by 255 instead of 256, for slightly better accuracy	2015-03-16 04:00:44 +11:00
Jan Schmidt	badc0438d6	compositor: Fix blending functions ... Correctly calculate alpha in a few places by dividing by 255, not 256. Fix the argb and bgra blending functions to avoid an off-by-one error in the calculations, so painting with alpha = 0xff doesn't ever bleed through from behind	2015-03-16 00:33:23 +11:00
Mathieu Duponchelle	11fa711c34	compositor: Add a new compositor based on the new GstVideoAggregator base class ... It is a replacement for videomixer with a similare API Co-Authored by: Thibault Saunier <tsaunier@gnome.org> https://bugzilla.gnome.org/show_bug.cgi?id=731919	2014-06-20 19:53:33 +02:00