[Pixman] A6R6G6B6 (or A8R5G6B5)

[Leon Woestenberg]

Hello,


I have a SoC that outputs 24-bits video but I would like that video to
carry the alpha channel. One solution is to work with A6R6G6B6 (or
A8R5G6B5).

I am not a pixman developer, In order to add support a new colour byte
packing format (x8a6r6g6b6), can someone point me to an existing patch that
introduced a new format? It helps me quickly understand the existing code
base.

My main use is with cairo, to what extend do I need to introduce the new
format into Cairo as well?

Regards,

Leon.
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