On Thu, Feb 22, 2018 at 10:34 PM, Maxime Ripard <maxime.ripard@xxxxxxxxxxx> wrote: > 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.ripard@xxxxxxxxxxx> wrote: >> > Our backend supports a per-plane alpha property. Support it through our new >> > helper. >> > >> > Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxx> >> >> Reviewed-by: Chen-Yu Tsai <wens@xxxxxxxx> >> >> 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. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
