Neil Roberts
a8b563b622
cogl: Enable blending if a lighting colour is semi-transparent
We currently enable blending if the material colour has transparency. This patch makes it also enable blending if any of the lighting colours have transparency. Arguably this isn't neccessary because we don't expose any API to enable lighting so there is no bug. However it is currently possible to enable lighting with a direct call to glEnable and this otherwise works so it is a shame not to have it. http://bugzilla.openedhand.com/show_bug.cgi?id=1907
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