We should only open this when actually testing dmabuf. Otherwise we're
just wasting time and adding an opportunity to fail shm init over
unrelated issues.
Calling this multiple times even after it fails the first time is a legit
thing now. We'll be doing that when we want to test dmabuf at connection
start.
We use immediate mode dmabuf creation at runtime, but this can result in
clients being killed with no option to fallback if the buffers can't be
consumed by the compositor.
This test should catch when a system can allocate a dmabuf buffer and the
compositor claims to accept dmabuf, but the buffer can't actually be used
for whatever reason. We'll then use wl_shm at runtime instead of dmabuf.
It does us no good to be able to allocate dmabuf capable memory if the
compositor can't handle it. This should fix failures on systems where
allocation is possible but the compositor doesn't advertise dmabuf.
This moves all the platform specific buffer allocation into ecore_wl2
instead of the engine.
Note that this makes an internal struct available in the header. This
will be removed shortly.
Derek Foreman