Wayland window transparency

Daniel Stone daniel at fooishbar.org
Wed Mar 12 03:21:46 PDT 2014


On 11 March 2014 14:30, Pekka Paalanen <ppaalanen at gmail.com> wrote:
> On X11 you are probably used to getting an opaque window, no matter
> what values you write to the alpha channel. On Wayland, the alpha
> channel is actually used by the server to blend your window to the rest
> of the desktop, always.

... always? You can request XRGB buffers in wl_shm, or an EGL config
without an alpha channel.  This will give you storage you can use for
alpha, but the compositor will discard it and render fully opaque.


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