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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<haasn>
emersion: you can definitely render to an NV12 texture in vulkan land
<haasn>
it just requires two render passes, one per plane
<haasn>
(or one render pass with two framebuffer attachments, really)
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<d3x0r>
How about this one - any info on enabling a Login for RDP backend? (I know 'mstsc' has the ability to ask for/send user/password) .. I'd like a little more security than just anyone connecting to an IP (and then I'd really like each connection to have its own desktop too)
<d3x0r>
(sorry if I double sent that the HTTP client was hung)
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<haasn>
emersion: now I'm confused, if you're not rendering why are you talking about render targets?
<emersion>
haasn: all of this is about rendering to a buffer
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<tleydxdy>
really wish vulkan has the ability to convert from rgb to yuv, seem like it's only possible the other way
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<riteo>
hiiiii!
<riteo>
While porting the Godot game engine to Wayland, I stumbled upon a pretty big problem to which I can't find a solution
<riteo>
it looks like that there's some sort of issue with the interaction between dmabuf and xdg_shell popups, perhaps some sort of race
<emersion>
what kind of issue?
<riteo>
basically it looks like that committing the buffer while the popup isn't mapped causes either a compositor error or in the case of weston straight up a segmentation faults
<riteo>
i already talked with the dudes at #wlroots@libera.chat but they said to come here as weston segfaults
<riteo>
because of that I've got all the logs you might need if you're interested
<emersion>
#wlroots@libera.chat is not an official channel, fwiw
<emersion>
the channel is #sway-devel
<riteo>
oh sorry
<riteo>
my memory is bad
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<riteo>
always remember that wrong
<riteo>
yeah, that's the channel
<emersion>
we should really change that channel name :P
<emersion>
do you have a backtrace for the segfault?
<riteo>
no
<riteo>
I have no idea how to debug it
<riteo>
should I try with the core dump?
<riteo>
like, enable core dumping, open up gdb and look at it?
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<riteo>
when using the drm backend if I stop it my whole laptop pretty much becomes unusable and have to use magic keys to stop everything
<emersion>
you can use coredumps yeah
<riteo>
I'll try and tell ya
<emersion>
if you have systemd, coredumpctl
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<riteo>
oof gotta recompile it without symbol stripping, please wait a bit more
<riteo>
won't take long
<emersion>
no rush
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<riteo>
mhh, it still doesn't find a symbol table?
<riteo>
is there some flag I must set at configure time?
<riteo>
oooh I must load it manually
<riteo>
ok got one
<riteo>
should I print a full one into a file and put it like on 0x0.st or should I just copy-paste the small one here?
<riteo>
I don't have the symbol table for libffi nor musl, tell me if this is a problem
<riteo>
just to be clear, this happens whenever a surface is attached right after a `popup_done` event
<riteo>
(the surface is of the popup)
<riteo>
IIRC the documentations says that the xdg_popup object should ignore any requests to avoid races but I guess that the dmabuf implementation/protocol doesn't take this into consideration?
<riteo>
oh, that's interesting
<riteo>
while wlroots messes up with the surface committing a new attachment, weston segfaults due to a xdg_surface_ack
<riteo>
To avoid race conditions, the compositor keeps the popup structures in memory and services requests for them even after their dismissal. For more detail about object lifetimes and race conditions, see chapter 2.4.
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<riteo>
ok here I am
<riteo>
if I missed something, please tell me
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<riteo>
welp, I'll go for now but I'll keep an eye on the logs, cya!
<tleydxdy>
what's the use case for wl_keyboard::enter to have the keys field?
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<danieldg>
tleydxdy: so you don't get confused when you get a key-up event for a key that was down when you got focused
<danieldg>
and/or to distinguish between the cases "key was just pressed after focus" and "key was pressed prior to focus, maybe don't use it to trigger actions"
<tleydxdy>
okay, so if the compositor eats the key-up then it should be fine to not send any keys info?
<tleydxdy>
e.g. say meta+j caused the compositor to focus the client, it would be fine if keys don't include the key meta and j?
<danieldg>
I guess? That seems like more work than just sending them
<tleydxdy>
yeah, just trying to sort out some logic problem :(
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<daniels>
ugh, riteo left, but if you’re reading the logs and you can come up with a test case addition that crashes then I’ll fix it
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<riteo>
hiiiiiii!
<riteo>
daniels I read the log, dont' worry ;)
<riteo>
I have no idea how to replicate this as the renderer is both complex and pretty obscure to me
<riteo>
Although for the ack crash I think I might do it
<riteo>
how powerful is the test suite? I should be able to create a popup, grab it and at least focus another one
<riteo>
actually I'm more interested in the surface-committing-while-the-popup-is-closed thing, but I guess that since this is the reference compositor we should go one step at a time, so I'll go for it
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<riteo>
one sec
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<riteo>
ok here I am back again
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