#wayland on 2021-07-13 — irc logs at oftc.irclog.whitequark.org

2021-06-22 12:28 ChanServ changed the topic of #wayland to: https://wayland.freedesktop.org | Discussion about the Wayland protocol and its implementations, plus libinput | register your nick to speak

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08:17 <pq> swick, yeah, even on repaint-from-idle, a compositor can use drmWaitVBlank(don't wait) to get the last timestamp and seq. Weston does.

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13:45 <wlb> wayland Merge request !155 opened by Simon Ser (emersion) shm: add wl_shm_buffer_{get,set}_user_data https://gitlab.freedesktop.org/wayland/wayland/-/merge_requests/155

13:49 <wlb> wayland Merge request !156 opened by Pekka Paalanen (pq) wayland-util: avoid memcpy(NULL) in wl_array_copy() https://gitlab.freedesktop.org/wayland/wayland/-/merge_requests/156 [IPC library]

13:53 <wlb> wayland Merge request !157 opened by Simon Ser (emersion) shm: document wl_shm_buffer https://gitlab.freedesktop.org/wayland/wayland/-/merge_requests/157

13:58 <pq> mm, would be nice if CI generated a diff between built docs from main vs. MR, and made it viewable on the MR.

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14:11 <wlb> wayland Merge request !158 opened by Simon Ser (emersion) shm: close FD on wl_resource_create error in shm_create_pool https://gitlab.freedesktop.org/wayland/wayland/-/merge_requests/158

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15:47 <ice9> does wayland support 120Hz?

15:48 <emersion> wayland is just a protocol, so doesn't care

15:48 <jadahl> ice9: wayland doesn't care about any Hz. a compositor might or might not, but I think most if not all do

15:49 <ice9> well, in x11 session, gnome setting show 120Hz for the display but in wayland session it's only 60Hz

15:49 <jadahl> might be miscalculated presentation of the refresh rate

15:49 <emersion> i suggest you ask in a GNOME channel, or open a GNOME bug

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16:04 <MrCooper> ice9: which version of GNOME, and which GPU & driver?

16:06 <ice9> MrCooper, gnome 3.38, intel 11th gen and nvidia prop driver

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17:27 <wlb> weston Merge request !659 opened by Daniel Stone (daniels) backend-wayland: fix incorrect header https://gitlab.freedesktop.org/wayland/weston/-/merge_requests/659 [Nested Wayland backend], [Build system]

17:40 <wlb> wayland/main: Simon Ser * shm: document wl_shm_buffer https://gitlab.freedesktop.org/wayland/wayland/commit/8899310fc8ff src/wayland-shm.c

17:40 <wlb> wayland Merge request !157 merged \o/ (shm: document wl_shm_buffer https://gitlab.freedesktop.org/wayland/wayland/-/merge_requests/157)

17:47 <wlb> weston/main: Chen Qi * backend-wayland: fix incorrect header https://gitlab.freedesktop.org/wayland/weston/commit/2f2e5da4c345 libweston/backend-wayland/meson.build

17:47 <wlb> weston Merge request !659 merged \o/ (backend-wayland: fix incorrect header https://gitlab.freedesktop.org/wayland/weston/-/merge_requests/659)

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18:52 <bl4ckb0ne> is there a way to check if a wl_array is empty?

18:52 <bl4ckb0ne> or is assuming size 0 alloc 0 data NULL enough

18:54 <immibis> presumably size null means empty, no?

18:54 <immibis> er size 0

18:55 <bl4ckb0ne> got my answers after finding the code in libwayland

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19:11 <emersion> bl4ckb0ne: size==0 means empty

19:12 <emersion> mind, an array can have non-NULL data or non-zero alloc whilebeing empty

19:13 <bl4ckb0ne> yeah that's what I figured

19:13 <emersion> bl4ckb0ne: also the only thing wl_array_init does is essentially memset(0)

19:13 <emersion> so if you have a wl_array which happens to be zero-initialized, there's no real need to call wl_array_init

19:13 <bl4ckb0ne> i have `= {0}` my list already

19:14 <emersion> cool

19:14 <bl4ckb0ne> i wanted to be sure if I could use the struct directly or had to somehow init it like the wl_list

19:14 <bl4ckb0ne> but it's all good, even asan is happy :D

19:14 <emersion> yup :)

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23:32 <wlb> wayland Issue #220 opened by Robert Mader (rmader) Clarify that compositor must not modify attached buffers https://gitlab.freedesktop.org/wayland/wayland/-/issues/220 [Documentation]

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