Philipp Zabel authored Mar 30, 2021 and Daniel Stone committed Jun 09, 2023

Add support for creating surfaceless outputs and rendering to FBOs.

The backend has to create FBOs with the create_fbo API and pass the
resulting weston_renderbuffer handles to repaint_output.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>