On Mon, Apr 16, 2018 at 2:59 PM Eric Anholt <eric@xxxxxxxxxx> wrote: > "Kristian H. Kristensen" <hoegsberg@xxxxxxxxx> writes: > > Rockchip doesn't support per-pixel alpha blending for the lowest > > window in the stack. While the hw supports restacking the windows, we > > don't expose that in KMS, so just filter out alpha formats for the > > primary plane. > In discussing this for VC4, we noted that an alternative is to just set > up the lowest plane as an RGBX format, since alpha is premultiplied and > the background is black. Doh, of course. Thanks Eric. Kristian _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
