diff --git a/protocol/wayland.xml b/protocol/wayland.xml index 8c31cdc0..029db191 100644 --- a/protocol/wayland.xml +++ b/protocol/wayland.xml @@ -436,6 +436,10 @@ a height and can be attached to a wl_surface, but the mechanism by which a client provides and updates the contents is defined by the buffer factory interface. + + If the buffer uses a format that has an alpha channel, the alpha channel + is assumed to be premultiplied in the color channels unless otherwise + specified.