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Committer:
Tarmac
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Author(s):
Daniel van Vugt
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Date:
2015-10-27 05:38:27 UTC
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mfrom:
(3049.1.12 fix-1423462)
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Revision ID:
tarmac-20151027053827-9o04bhk970ri6o18
Avoid spuriously blending RGBX as RGBA (LP: #1423462)
Not only was it sub-optimal in performance but more importantly caused
unpredictable discolouration of RGBX clients (first observed by 3v1n0 in
mplayer-SDL but more recently also seen in Xmir -sw). Any clients that
filled the 'X' byte with 0xff were unaffected.
. Fixes: https://bugs.launchpad.net/bugs/1423462.
Approved by PS Jenkins bot, Alan Griffiths, Andreas Pokorny, Alexandros Frantzis.