| robert_ancell | RAOF, ah | 00:00 |
|---|---|---|
| mterry | robert_ancell, guh, so many layers of abstraction to make a surface, and none of them include the session | 00:48 |
| robert_ancell | mterry, yes.. | 00:48 |
| mterry | robert_ancell, I'm going to file a bug | 00:48 |
| robert_ancell | mterry, please do | 00:49 |
| mterry | robert_ancell, https://bugs.launchpad.net/mir/+bug/1200035 | 00:50 |
| ubot5 | Ubuntu bug 1200035 in Mir "Should expose the session that a new surface is for" [Undecided,New] | 00:50 |
| mterry | robert_ancell, is that bug something I should assign to you? | 01:11 |
| mterry | Or shall I look into it? | 01:11 |
| robert_ancell | mterry, if you feel up to it go ahead | 01:11 |
| * robert_ancell -> lunch | 01:11 | |
| mterry | robert_ancell, it will take me longer, but I suspect you are pretty busy already | 01:11 |
| robert_ancell | yep :) | 01:12 |
| * mterry rolls up sleeves | 01:12 | |
| mterry | robert_ancell, but basic approach is just to modify all the layers between session and surface to include session pointer, eh? | 01:12 |
| mterry | in the create_surface call | 01:12 |
| robert_ancell | thomi, is the docs uploader still broken? | 02:34 |
| duflu | robert_ancell: Do you prefer Skype or Hangouts? | 02:53 |
| robert_ancell | duflu, hangouts | 02:53 |
| duflu | robert_ancell: OK, the usual one? | 02:53 |
| robert_ancell | duflu, there's a usual one? | 02:54 |
| duflu | robert_ancell: Umm, give me a link, any link | 02:55 |
| === jono is now known as Guest7396 | ||
| RAOF | Damn duflu's flaky internet! | 04:34 |
| thomi | robert_ancell: yeah, I need to update the configuration, it's been on my TODO list all day | 04:34 |
| thomi | will do it now | 04:34 |
| robert_ancell | thomi, ta | 04:34 |
| === Mirv_ is now known as Mirv | ||
| didrocks | robert_ancell: hey, FYI, kevin told me he would look at the clang issue if he has time, I have no idea how to fix it as I don't use it | 05:18 |
| thomi | robert_ancell: IS are fixing something relating to the mir docs uploads. I'll come back later and see if it's fixed. Gotta go help with dinner now though | 05:28 |
| duflu | YES. Internet tubing fixed. Let's hope it sticks. | 05:38 |
| RAOF | WOOT! | 05:42 |
| RAOF | duflu: Hey, can I ask some compiz rendering questions? | 05:42 |
| duflu | RAOF: OK. Might remember | 05:42 |
| RAOF | Well, I guess it's really only a single question. | 05:43 |
| RAOF | In two parts! | 05:43 |
| duflu | Does it always swapbuffers? :) | 05:43 |
| RAOF | 1) Does compiz use the composite-overlay window? and | 05:43 |
| RAOF | 2) Does it ensure the composite overlay window is fullscreen? | 05:44 |
| duflu | 1) Can't remember. I vaguely recall the "overlay window" is deprecated. | 05:44 |
| duflu | smspillaz can verify | 05:44 |
| * duflu looks at the code | 05:45 | |
| duflu | RAOF: Yes it does use overlay windows: plugins/composite/src/screen.cpp | 05:46 |
| duflu | Also window.cpp | 05:47 |
| RAOF | Ok. | 05:48 |
| duflu | RAOF: And they are not guaranteed full screen | 05:48 |
| RAOF | Hrm. | 05:48 |
| duflu | Which I guess is part of the reason why unredirect works with multi-monitor | 05:48 |
| RAOF | Heh, yeah. | 05:49 |
| duflu | Oh, hang on | 05:49 |
| duflu | RAOF: There was other logic mentioning overlay. I think the answer is yes it is only ever one overlay == root window: overlay = XCompositeGetOverlayWindow (screen->dpy (), screen->root ()); | 05:50 |
| duflu | But the root window is all outputs, not "full screen" | 05:51 |
| RAOF | Right. | 05:51 |
| RAOF | Getting GLX bypass for anything spanning more than one monitor is not going to happen. Sadly. | 05:53 |
| RAOF | But that's not soooo bad. | 05:54 |
| duflu | RAOF: Can we still have it for windows which fit a single monitor? | 05:55 |
| RAOF | Yes. | 05:55 |
| duflu | Cool. Though I just realize my existing logic doesn't handle the multi-monitor case for bypass | 05:56 |
| duflu | +d | 05:56 |
| duflu | Then again, there are no multi-monitors yet | 05:56 |
| RAOF | The condition should be “GLX window exactly covers an entire monitor and has override-redirect set” | 05:56 |
| duflu | RAOF: No, not override-redirect. It's a normal window. The decision is based on stacking order | 05:57 |
| duflu | RAOF: "Full screen" is generally a WM hint only. | 05:58 |
| RAOF | duflu: That can't work in general, right? There's nothing saying that a fullscreen, on top window has to be uncomposited. | 05:58 |
| duflu | RAOF: If it's on top, and lacks an alpha channel, and not being transformed, and fits the full monitor then it's unredirected/bypassed | 05:59 |
| * RAOF goes digging in the compiz code to see how the server can tell. | 05:59 | |
| duflu | Apps generally flag full screen with WM hints. They never set override redirect any more | 05:59 |
| RAOF | Nor does compiz? | 05:59 |
| duflu | RAOF: Compiz doesn't ever "set" override redirect. That's an app/toolkit decision. | 06:00 |
| RAOF | Oh, right. I'm getting my terminology mixed up, aren't I. | 06:01 |
| duflu | RAOF: More generally Compiz does not use the WM flags in deciding to bypass. It looks at window placement and size in the end. | 06:01 |
| duflu | ... that way bypass decisions are right no matter how old-fashioned or modern the fullscreen method it | 06:02 |
| duflu | *is | 06:02 |
| duflu | RAOF: P.S. Old-fashioned fullscreen is seen with glxgears. Modern hinted full screen is seen in browsers or gnome-terminal. Though the latter uses RGBA so is never bypassed | 06:03 |
| RAOF | What I actually want to gate on is composite status, isn't it. | 06:04 |
| duflu | RAOF: You mean take the XComposite redirection state? Probably...? | 06:05 |
| RAOF | Right. | 06:05 |
| tvoss | good morning :) | 06:05 |
| duflu | tvoss: Hi | 06:05 |
| tvoss | duflu, hey :) how goes? | 06:06 |
| duflu | tvoss: Going slowly but I finally have fast internet again. So that's something | 06:06 |
| thomi | robert_ancell: mir-docs-upload job is fixed. Documentation uploads should be working again now | 06:06 |
| RAOF | What ended up being the problem, by the way? | 06:06 |
| * thomi goes to eat dinner | 06:06 | |
| duflu | RAOF: I was on a noisy cable to the exchange in which all the pairs experienced heavy noise. They put me on a different cable | 06:07 |
| tvoss | thomi, hey there :) | 06:07 |
| tvoss | duflu, \o/ | 06:08 |
| tvoss | RAOF, good morning | 06:09 |
| RAOF | tvoss: Yo! | 06:09 |
| tvoss | robert_ancell, good morning :) | 06:11 |
| duflu | alf__, ping | 06:35 |
| alf__ | duflu: pong | 06:37 |
| NikTh | Hello everyone | 06:37 |
| duflu | alf__: BufferSwapperMulti is being constructed (a second time) with a buffer list of length 1 | 06:37 |
| duflu | Is that meant to happen? | 06:37 |
| NikTh | Somehow apport allowed me to report a bug, even with third party software (Xmir PPA) installed. I filled a new bug report here, now full logs are listed. https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1200097 | 06:38 |
| ubot5 | Ubuntu bug 1200097 in unity (Ubuntu) "compiz crashed with SIGSEGV in nouveau_pushbuf_kick() - Xmir" [Undecided,New] | 06:38 |
| NikTh | Hope this helps devs to spot the exact problem :-) | 06:39 |
| duflu | NikTh, ok thanks | 06:39 |
| NikTh | duflu: Hey :-) good to see you again | 06:39 |
| alf__ | duflu: What's the scenario? | 06:41 |
| duflu | alf__: I have client_queue constructed as size 1, even when swapper_size==3. And one is not enough so I hang waiting for a new buffer | 06:42 |
| duflu | Haven't verified the same issue is on trunk | 06:42 |
| duflu | Maybe it's not an issue, but designed that way. If so then it might partly explain how in_use_by_client dips to -1 | 06:43 |
| alf___ | duflu: If this happens while switching swappers then it is possible that the client is holding 2 buffers and only one is passed to the new swapper, that's ok. However in_use_by_client falling to -1 is a bug, probably because when we switch to a new swapper this is not set correctly. | 06:47 |
| duflu | alf___: OK maybe not a bug then. But with bypass it will be so I'll figure it out | 06:48 |
| duflu | alf___: Yes BTW. The client is holding one and the DisplayBuffer holding the other (as it's being scanned out via bypass) | 06:50 |
| === alf___ is now known as alf__ | ||
| * duflu counts the underscores again | 07:07 | |
| dholbach | good morning | 07:38 |
| robert_ancell | didrocks, ok | 07:57 |
| robert_ancell | thomi, thanks! | 07:57 |
| robert_ancell | tvoss_, hello | 07:57 |
| robert_ancell | tvoss_, I think you called me via G+? We were on the hangout in the meeting invite and didn't see you on IRC | 07:57 |
| tvoss_ | robert_ancell, yeah, tried to call via g+ as I was on a birthday | 08:08 |
| tvoss_ | robert_ancell, damn android, couldn't figure out how to join the hangout from the meeting invite :) | 08:08 |
| robert_ancell | tvoss_, sorry about that, too many windows | 08:08 |
| tvoss_ | robert_ancell, know that problem :) | 08:08 |
| robert_ancell | tvoss_, did you want a quick call without mterry or reschedule? | 08:09 |
| tvoss_ | robert_ancell, reschedule is fine with me, it's not urgent, just want to touch base with the both of you | 08:09 |
| robert_ancell | sure | 08:10 |
| robert_ancell | we discussed a bit together, try again at a similar time? | 08:10 |
| tvoss_ | robert_ancell, yup, let me quickly check my calendar | 08:10 |
| tvoss_ | I've got a call at 8:30 my time, what is my 9pm in your timezone? | 08:11 |
| tvoss_ | RAOF, your doc mp failed ci ;) https://jenkins.qa.ubuntu.com/job/mir-saucy-amd64-ci/220/console | 08:12 |
| RAOF | tvoss_: You've probably got the vpn setup required to hit the “retry” button, don't you? | 08:12 |
| tvoss_ | RAOF, nope, did a fresh install yesterday after my adventures in "all the DEs"-land | 08:13 |
| RAOF | Because that's clearly a nondeterministic test. | 08:13 |
| RAOF | Oh, bah. | 08:13 |
| tvoss_ | mzanetti, ping | 08:13 |
| RAOF | robert_ancell ^^ ? | 08:13 |
| tvoss_ | mzanetti, mind hitting retry here: https://code.launchpad.net/~raof/mir/more-doc-doc-docies/+merge/174121 | 08:14 |
| tvoss_ | ? | 08:14 |
| robert_ancell | RAOF, I retries it | 08:14 |
| robert_ancell | tvoss_, ^^ | 08:14 |
| RAOF | Hurray! | 08:14 |
| robert_ancell | retried it already I mean | 08:14 |
| robert_ancell | tvoss_, that's 7am my time | 08:14 |
| RAOF | We should really turn on dbgsyms for the PPA, too. | 08:14 |
| tvoss_ | robert_ancell, bit early, isn't it? let's postpone to next week then | 08:15 |
| robert_ancell | tvoss_, ok | 08:15 |
| robert_ancell | tvoss_, yeah, my daughter gets up then so it clashes for me | 08:15 |
| tvoss_ | robert_ancell, no worries, next week it is | 08:16 |
| mzanetti | tvoss_: you mean a test rebuild or autolanding? | 08:19 |
| tvoss_ | mzanetti, hold on, robert ancell already hit the button | 08:19 |
| RAOF | To the pizza! | 08:21 |
| tvoss_ | RAOF, enjoy | 08:27 |
| smspillaz | RAOF: 1) yes, 2) It is always fullscreen | 08:29 |
| smspillaz | (except when there are other "unredirected windows") | 08:30 |
| smspillaz | (in which case its fullscreen but shaped) | 08:30 |
| duflu | smspilaz: Kinda... It's fullscreen in the single monitor case | 08:30 |
| duflu | Man, I've lost a buffer and don't know what's holding it | 08:34 |
| * duflu looks behind the fridge | 08:34 | |
| racarr | smspillaz: Lol internet | 08:34 |
| racarr | (smspillaz and I just got back from berkeley ;)) | 08:35 |
| smspillaz | racarr: dude | 08:36 |
| racarr | smspillaz: I met some guy who seemed like he was a compiz developer on the bart | 08:36 |
| racarr | but I thought he was a total hack | 08:36 |
| smspillaz | oh you meam robert parr? | 08:37 |
| racarr | haha | 08:37 |
| smspillaz | i occasionally run into him | 08:37 |
| tvoss_ | hmmm, the doc mp fails on clang :) | 08:37 |
| smspillaz | he stalks me or something | 08:37 |
| duflu | tvoss_: It's the build machine broken, not clang | 08:38 |
| tvoss_ | duflu, still annoying as we cannot land the mp. mzanetti: mind taking a look here: https://jenkins.qa.ubuntu.com/job/mir-clang-saucy-amd64-build/1155/console? | 08:39 |
| smspillaz | duflu: the cow is always screensize | 08:39 |
| * duflu realizes it's past midnight in California and stops trying to make sense of the (likely) drunk people | 08:39 | |
| smspillaz | well im not drunk anymore | 08:39 |
| smspillaz | but by cow i mesnt composite overlay window | 08:40 |
| smspillaz | its just phone typing | 08:40 |
| racarr | Sam speaks truth. Its only me thats drunk | 08:40 |
| racarr | (Zzz...) | 08:40 |
| duflu | smspillaz: OK, so not http://www.flickr.com/photos/joshmt/5604316602/ | 08:40 |
| smspillaz | racarr: not as drunk as i was last night :) | 08:41 |
| racarr | I dunno I did fall over on that old woman. | 08:42 |
| racarr | err ^H^H^H^H | 08:42 |
| racarr | Im going to go to sleep ;) | 08:42 |
| * duflu is only jealous | 08:42 | |
| duflu | of the drinking, not the falling | 08:43 |
| smspillaz | lolllllllll | 08:43 |
| smspillaz | and the dropped glass | 08:43 |
| smspillaz | XD | 08:43 |
| racarr | Ok, I think everyone gets the picture. | 08:44 |
| duflu | smspillaz: I meant that the COW covers all screens. All the while a "fullscreen" window usually only covers one | 08:48 |
| smspillaz | (theres really not mich more than that) | 08:48 |
| duflu | It's important if you're using multiple monitors and need one of them unredirected to play HD video :) | 08:49 |
| smspillaz | duflu:ah, correct. im the case though the cow may effectively be smaller than the screensize | 08:49 |
| duflu | Yes, where "Screen" is the compiz word for Mir's "Display" | 08:50 |
| smspillaz | anyways, the main caveat is that the assunption tjat cow output size == screensize vreaks when there is internal redirection happening | 08:51 |
| smspillaz | anywyas, night :) | 08:51 |
| duflu | smspillaz: Night. Happy holidays | 08:54 |
| mzanetti | tvoss_: I logged in jenkins and tried to reproduce the failure. couldn't reproduce. then I retriggered the job and it past that point now | 09:03 |
| tvoss_ | mzanetti, thx | 09:04 |
| mzanetti | tvoss_: probably some temporary network issues | 09:04 |
| tvoss_ | mzanetti, saw it being merged | 09:04 |
| alan_g | duflu: you're building on raring? I'm failing to do so because I can't find a libmockdev.dev package. What was your solution? | 09:10 |
| tvoss_ | alan_g, are you looking into the test hang on armhf? | 09:12 |
| alan_g | tvoss_: no | 09:12 |
| alan_g | tvoss_: I thought racarr had a solution | 09:12 |
| tvoss_ | alan_g, don't see an mp up and the bug is blocking us from landing in distro | 09:15 |
| alan_g | tvoss_: "<racarr> alan_g: Yes. client-focus-notifications contains a solution" | 09:16 |
| tvoss_ | didrocks, mind sending me your .pbuilderrc again? | 09:16 |
| didrocks | tvoss_: sure | 09:16 |
| duflu | alan_g: Yes just install the saucy packages: https://launchpad.net/ubuntu/+source/umockdev | 09:16 |
| didrocks | tvoss_: http://paste.ubuntu.com/5864291/ | 09:16 |
| didrocks | tvoss_: you probably want to change the HOOK_DIR :) | 09:17 |
| alan_g | duflu: thanks | 09:17 |
| didrocks | tvoss_: if you need any hook, tell me | 09:17 |
| xnox | RAOF: i think you said you'd want to see bugs when dual screen setup is not mirrored. | 09:19 |
| xnox | bug 1200130 | 09:19 |
| ubot5 | bug 1200130 in Mir "Multi-monitor bug: different results after VT-switch" [Undecided,New] https://launchpad.net/bugs/1200130 | 09:19 |
| xnox | bug 1200129 | 09:19 |
| ubot5 | bug 1200129 in Mir "Multi-monitor bug: different brightness" [Undecided,New] https://launchpad.net/bugs/1200129 | 09:19 |
| xnox | bug 1200127 | 09:19 |
| ubot5 | bug 1200127 in Mir "Multi-monitor bug: different resolution" [Undecided,New] https://launchpad.net/bugs/1200127 | 09:19 |
| duflu | alf__: Is there a high-level description of how buffers are shared safely between server threads? | 09:26 |
| duflu | A locking plan even? | 09:26 |
| alf__ | duflu: the idea is that once a buffer is extracted from the swapper, whoever extracts it owns that thread. There hasn't been a need for multiple buffer ownership until now. Do you have a use case? | 09:27 |
| alf__ | duflu: ...owns that buffer... | 09:28 |
| duflu | alf__: Yes unfortunately the compositor/flipper thread now needs to own the buffer, not just till the flip, but also until the next page flip. And that's a different thread to the session mediator | 09:29 |
| duflu | Hmm, maybe it's the compositor locking I should be looking at | 09:29 |
| alf__ | duflu: to be clear, there hasn't been a use case for multiple buffer ownership with both readers/writers. There can be multiple read-only users of a buffer. | 09:30 |
| duflu | alf__: Alright. I need to figure out the multi-thread implications... or figure out how to avoid multi-threaded ownership | 09:32 |
| duflu | ... also to figure out where my buffers are going. Because the session_mediator should never be starved with 3 buffers. Somehow it is | 09:33 |
| alf__ | duflu: could we do all this by switching compositing strategies when a full-screen session is active? | 09:36 |
| duflu | alf__: That's part of the plan, kind of. And possibly not exactly what I'm talking about right now | 09:37 |
| alf__ | duflu: I mention this because the amount of time a buffer is held is currently managed in the compositing strategy. With a different strategy we could use a different policy for holding buffers. | 09:39 |
| duflu | alf__: Yes I noticed the multithreaded compositor locking is a big factor. I need to clarify the problem further before I ask you more questions | 09:40 |
| duflu | And maybe make dinner | 09:41 |
| alf__ | duflu: ok, enjoy! | 09:41 |
| duflu | Hmm, the throttling of swapinterval=1 clients is a much more implicit chain of events than I expected | 09:54 |
| tvoss_ | duflu, I'm surprised that thoughts like that arise while doing dinner :) | 09:56 |
| duflu | If I was making dinner I wouldn't be logged in | 09:56 |
| duflu | My IRC presence is more definitive than other peoples | 09:56 |
| dandrader | what do you guys do when you wanna build mir packages? doing so in an armhf chroot (with qemu) is taking forever... | 09:59 |
| dandrader | ... and qemu crashes when running the acceptance tests | 10:06 |
| duflu | dandrader: We usually develop via cross compilation, for speed. I'm not sure anyone else has ever needed "fast" builds of armhf debs | 10:06 |
| didrocks | the nexus 4 + ccache works fine with Mir for my tests | 10:09 |
| === dandrader is now known as dandrader|afk | ||
| === dandrader|afk is now known as dandrader | ||
| tvoss_ | alf__, ping | 11:03 |
| === alan_g is now known as alan_g|errands | ||
| tvoss_ | alf__, ping | 11:22 |
| alf__ | tvoss_: pong | 11:22 |
| tvoss_ | alf__, hey there :) got a list of the Mir lttng tracepoints handy? | 11:22 |
| alf__ | tvoss_: grep -C2 -R TRACEPOINT_EVENT src/ | 11:25 |
| === alan_g|errands is now known as alan_g | ||
| === dandrader is now known as dandrader|lunch | ||
| === alan_g is now known as alan_g|tea | ||
| derEremit | just booted with mir ppa and: | 15:03 |
| derEremit | cat /var/log/lightdm/x-0.log: | 15:03 |
| derEremit | Fatal server error: | 15:03 |
| derEremit | no screens found | 15:03 |
| derEremit | intel core i7 | 15:04 |
| derEremit | also as second card nvidia ( optimus ) if that matters | 15:04 |
| === dandrader|lunch is now known as dandrader | ||
| kdub | didrocks, i'm trying a new approach for getting gmock out of our tree, hopefully will get it through jenkins today | 15:15 |
| didrocks | kdub: what do you mean by new approach? | 15:17 |
| * didrocks is interested | 15:17 | |
| kdub | by having cmake build the external project (ExternalProject_Add), instead of just adding the out of tree sources as internal sources | 15:18 |
| didrocks | kdub: neat idea :) | 15:19 |
| === alan_g|tea is now known as alan_g | ||
| mlankhorst | fwiw, the xorg-server needs to be refreshed | 15:37 |
| xjunior | mlankhorst: what do you mean? | 15:47 |
| mlankhorst | system-compositor-testing xorg-server is out of date :-) | 15:48 |
| mlankhorst | anyway I'm EOD, if anyone else wants to pick up some fixes for unity-system-compositor.. | 15:57 |
| mlankhorst | http://paste.debian.net/15562/ <- attempt to fix xserver-xorg-video-radeon alignment | 15:58 |
| mlankhorst | seems to hard lock up here, but it does show the cursor for a bit before it hard locks up :P | 15:59 |
| mlankhorst | http://paste.debian.net/15490/ <- experimental fix to enable sna in xserver-xorg-video-intel | 15:59 |
| mlankhorst | probably RAOF will look at it, I'll be back on monday | 16:00 |
| mlankhorst | kgunn_: that ati fix should help your radeon https://bugs.launchpad.net/mir/+bug/1195425 bug | 16:00 |
| ubot5 | Ubuntu bug 1195425 in Mir "Corrupted screen using radeon drivers" [Critical,Triaged] | 16:00 |
| mlankhorst | EOD, EOW | 16:01 |
| katie | racarr, hello | 16:01 |
| kgunn_ | mlankhorst: thanks! | 16:02 |
| === om26er is now known as om26er|afk | ||
| greyback | racarr: ping | 16:33 |
| === alan_g is now known as alan_g|EOD | ||
| === om26er|afk is now known as om26er | ||
| racarr | Woo. Root canal 2/3rds complete | 19:02 |
| racarr | sorry I forgot to send an email | 19:02 |
| === Cimi_ is now known as Cimi | ||
| === popey_ is now known as popey | ||
| === JoseeAntonioR is now known as jose | ||
| === TheDrums_ is now known as TheDrums | ||
| robert_ancell | kgunn, oh sorry, I missed the meeting | 21:38 |
| kgunn | robert_ancell: no problem really, everyone's got their bit to do...bregma was waiting on an arm build to finish & then we should be good to go for universe (i think) | 21:39 |
| robert_ancell | kgunn, awesome | 21:40 |
| olli_ | robert_ancell, quick q, will we have lightdm on the phone | 21:42 |
| robert_ancell | olli_, yes, I believe that is what the phone team decided, and I'm working to implement the required changes | 21:42 |
| olli_ | robert_ancell, thx for putting the doc together | 22:14 |
| robert_ancell | olli_, np | 22:14 |
| kdub | i guess resizing the display is more associated with the MirConnection than the MirSurface | 22:30 |
| kdub | 'is this session allowed to change the resolution' more than 'is this surface on this session allowed to do change it' | 22:31 |
| RAOF | kdub: Yup, that sounds right. | 22:56 |
| kgunn | wrt lib deps, does anyone know why it seems sometimes android-input is the dep...sometimes 3rd_party...but 3rd_party seems to be a wrapper for android-input | 23:20 |
| kgunn | seems redundant/overkill? | 23:22 |
| kdub | kgunn, we've been working on deflating that directory, eventually it should just become android-input | 23:22 |
| kgunn | kdub: thanks...confirmation i'm actually understanding my unwinding exercise :) | 23:23 |
| kdub | RAOF, what is the easiest way for xmir to get 'display changed' notifications? | 23:45 |
| kdub | trying to come up with an api for monitor configuration that makes sense for xmir | 23:46 |
| RAOF | kdub: Use whatever racarr's using for focus notification? | 23:52 |
| kdub | hmm | 23:54 |
| RAOF | I'm resigned to the fact that it's likely to be a callback from a random thread :) | 23:54 |
| kdub | yes, likely | 23:55 |
| kdub | i guess i'm just asking what happens in the xserver when that callback happens though | 23:55 |
| kdub | like, does it go and recompute the output configuration the xserver wants, and then asks to apply it? | 23:56 |
| RAOF | I guess that depends on the cause of the notification. | 23:56 |
| RAOF | ie: there are two possibilities - “the hardware has changed”, or “some other client changed the configuration” | 23:57 |
| RAOF | Actually, now that I think about it - no. | 23:58 |
| RAOF | The X server never does any output configuration directly. | 23:58 |
| RAOF | It's just going to forward that notification on to whatever clients are listening to RANDR events. | 23:59 |
| kdub | ah, interesting | 23:59 |
| RAOF | And there's no guarantee what they think they'll want to be doing. | 23:59 |
| kdub | so it does indeed need a callback signal, that it would pass on to the xrandr-subscribed clients | 23:59 |
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