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<airlied>
can someone from intel poke rohan garg, he seems to have uploaded a branch to mesa/mesa
<airlied>
not actually sure where that branch was, I had a stale ptr to cgit
<airlied>
oh no it's in mesa/mesa
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<airlied>
zmike: you also pushed zink-stablefix
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<airlied>
zmike, konstantin : I don't think lavapipe yuv stuff is finished, there are some mandatory formats not advertised, and my first attempt at advertising them make things worse
<airlied>
I'm considered deadvertising the feature
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<gfxstrand>
airlied: What's required and not working?
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<airlied>
gfxstrand: I think for lvp it needs planar stuff supported but not fully sure
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<airlied>
g8_b8_r8_3plane_420_unorm is mandatory
<airlied>
but advertising it, makes texture sampling try and create a sampler for NV12
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<konstantin>
airlied: How will you implement descriptor buffer support, considering we are at the descriptor size limit?
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<Deathray>
Hey I had a question about a weird (I think) bug that I've noticed in OSMesa in 23.2.1 and I thought I'd ask here to double check that the fault isn't on my end before filing a bug report and wasting more peoples time. Is this the right place to ask or is there a different more specific channel that I should put this in?
<pq>
This is the IRC channel, FWIW.
<Deathray>
Sure, idk, I thought there might be more specific channels since mesa is such a massive project with many devs on it.
<psykose>
this is correct yea
<pq>
there are, for individual drivers
<pq>
but not for users AFAIK
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<Deathray>
So the thing is I am making an ofscreen context with 16 depth bits and then binding it (well making it the current context), however afterwards when I read out GL_DEPTH_BITS it seems to say there are 0 depth bits. The thing is that when I directly request the depth buffer through the OSMesa functions it seems to return a valid buffer with 2 bytes per value (so the 16 bits I requested)
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<dv_>
on a system that runs purely with KMS - no wayland, no x11 - is it possible to screengrab for making screenshots?
<dv_>
with the old framebuffer I was able to just do `dd if=/dev/fb0 of=screenshot.raw`
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<MrCooper>
possible in principle, though not 100% reliably while the DRM master is actively flipping between FBs
<MrCooper>
only the DRM master itself can do it 100% reliably
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<emersion>
(see ffmpeh kmsgrab)
<emersion>
ffmpeg*
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<MrCooper>
Company: FYI, you tend to disappear from here before I get a chance to see your questions, let alone try to make any suggestions; others have expressed the same issue
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<Company>
I disappear when I go to bed, yeah
<gfxstrand>
I'd recommend setting up a bouncer of some sort.
<pepp>
robclark, digetx: virtio_gpu_do_fence_wait uses "submit->fence_ctx + submit->ring_idx" as a global context id. But "fence_ctx:0 + ring_idx:1" and "fence_ctx:1 + ring_idx:0" are going to be considered the same, aren't they?
<Company>
if I wanted to be always online, I'd use matrix
<gfxstrand>
This place runs 24/7 and it's pretty common for the person with the answer to your question to be awake and on IRC at very different hours than you are.
<gfxstrand>
matrix works. It's a bit clunky but lots of people use it.
<Company>
but I explicitly do not want that
<gfxstrand>
:'(
<gfxstrand>
Fair.
<gfxstrand>
I leave irssi running in a screen session on a raspberry pi and only log in when I want to be online.
<Company>
Gnome switched to Matrix and I stopped being in Gnome's chats
<gfxstrand>
No notifications. :D
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<Company>
yeah, and it's not a messaging game where you only get a reply after a few hours
<MrCooper>
Company: one pitfall with glMapBuffer is that if you keep reusing the same buffer, the CPU access may implicitly synchronize to GPU access from earlier draws. GL offers some tricks to avoid that, I have to defer to others for the state of the art though
<Company>
I use chat to have discussions
<MrCooper>
just be aware that this way you're excluding some people who might otherwise be able to help
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<MrCooper>
which can also be frustrating for those people
<Company>
yeah, I am aware - but it'd be hard to have discussions with those people anyway
<Company>
like, you need to explicitly schedule that
<robclark>
pepp: so when the ctx is created it should reserve however many ring_idx's you request so different ctx's shouldn't have overlapping fence_ctx+ring_idx
<Company>
but I want a back-and-forth if I'm on IRC because then I can focus on the task at hand
<Company>
and I can't do that if there's hours between replies
<Company>
or even if it's minutes
<robclark>
pepp: see VIRTGPU_CONTEXT_PARAM_NUM_RINGS
<MrCooper>
k, then maybe I'll just have to try and ignore your questions if I don't happen to be around
<pepp>
robclark: ah right, I missed that dma_fence_context_alloc was also used for PARAM_NUM_RINGS. All good then, thanks!
<robclark>
np
<Company>
MrCooper: my preferred method is that you either wait for me to be around and reply then, so we can chat about it - or forget about it
<Company>
unless it's expected to just be a one-liner like "udmabuf", then there won't need to be a need for any back-and-forth
<emersion>
i can't wait around, notice you've re-appeared, remember what i wanted to reply, just for you, sorry
<Company>
perfectly fine, too
<Company>
if I want a long-delay discussion where I'm sure I get an answer, I'll file an issue or send a mail
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<lucenera>
Why does SimpleDRM occupy /dev/dri/card0, but not expose it to the system (the file is not created)? My actual graphics card becomes card1, but card0 does not exist among the files.
<emersion>
it's removed when the real driver gets loaded
<emersion>
can't have two drivers manage the same connectors
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<airlied>
konstantin: you get a descriptor per plane