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authorSimon Ser <contact@emersion.fr>2022-09-17 14:38:44 +0200
committerSimon Zeni <simon@bl4ckb0ne.ca>2022-11-15 16:30:00 +0000
commit0ae3c7b1a2d4da0c32092782ff19a1662151d874 (patch)
tree0236d59660434b81332a508478d8f04b519b0825 /backend/x11
parent6e88eeadebe5bed0210158124a3c498a8f8a47cb (diff)
Introduce wlr_shm
This is a re-implementation of wl_shm. The motivations for using this over the one shipped in libwayland are: - Properly handle SIGBUS when accessing a wl_buffer's underlying data after the wl_buffer protocol object has been destroyed. With the current code, we just crash if the client does that and then shrinks the backing file. - No need to fight the wl_shm_buffer API anymore. This was awkward because we weren't notified when clients created a wl_shm buffer, and this doesn't play well with our wlr_buffer abstraction. - Access to the underlying FD. This makes it possible to forward the wl_shm buffer to a parent compositor with the Wayland/X11 backends. - Better stride checks. We can use our format table to ensure that the stride is consistent with the bpp and width.
Diffstat (limited to 'backend/x11')
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