On Thu, Feb 22, 2018 at 10:34 PM, Maxime Ripard
> On Thu, Feb 22, 2018 at 10:17:38PM +0800, Chen-Yu Tsai wrote:
>> On Sat, Feb 17, 2018 at 1:39 AM, Maxime Ripard
>> <maxime.rip...@bootlin.com> wrote:
>> > Our backend supports a per-plane alpha property. Support it through our new
>> > helper.
>> > Signed-off-by: Maxime Ripard <maxime.rip...@bootlin.com>
>> Reviewed-by: Chen-Yu Tsai <w...@csie.org>
>> Though, not having a graphics background, does alpha = 255 mean fully
>> transparent and thus can be skipped? Or no alpha at all?
> It means that it's fully opaque, and therefore we are in the same
> situation than if we had no alpha channel at all.
Right. Then the code makes sense. Thanks for the explanation.
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