Simon Ser authored Feb 27, 2023 and Olivier Fourdan committed Mar 03, 2023

To correctly render a window making use of SHAPE, a compositor
must query the shape rectangles. This may not be a desirable
feature for a Wayland compositor. Allow SHAPE to be turned off at
runtime, so that the compositor can opt-out.

Signed-off-by: Simon Ser <contact@emersion.fr>