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| anpok_ | wetab only had a i915 gpu? | 06:35 |
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| duflu | anpok_ ?? | 06:56 |
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| anpok_ | duflu: over the weekend someone asked for help with ubuntu touch on that device .. | 07:19 |
| anpok_ | what he described is just like the i915 experience | 07:19 |
| duflu | anpok_: Cool. I've been wondering when that would happen. Have intel tablets gathering dust | 07:20 |
| anpok_ | which is .. qt applications trying to create gl 2.0 context fail to start | 07:20 |
| duflu | Although for them it's probably just a matter of "what's the apt command to turn Ubuntu into Ubuntu Touch?" :) | 07:20 |
| duflu | anpok_: Oh, yes that too. I have a very old desktop I have refused to throw out for testing that. Not sure it will ever be useful | 07:21 |
| anpok_ | because ubuntu mesa disables gl 2.0 support for those devices.. because it would run in llvmpipe only .. and paired with that cpu the performance is just horrible.. | 07:21 |
| anpok_ | a fixed function gl solution or a good software backend for qt is the only way to fix that.. | 07:22 |
| duflu | anpok_: You mean a new shell :) Our UI toolkit is all shaders... | 07:22 |
| anpok_ | oh yeah... | 07:23 |
| duflu | I've been expecting this to become a thing. Unity8's hardware requirements is already too high for lots of Ubuntu users with legacy hardware | 07:23 |
| anpok_ | hm i guess you could get very far by ignoring that there are shaders defined.. | 07:24 |
| duflu | anpok_: I think I've seen that bug happen. What you get is blank windows (no text or widgets) | 07:25 |
| * duflu wonders why bzr is taking 10+ minutes for a push | 07:25 | |
| * duflu realizes it's cos when you push to the wrong project, the diff is large | 07:28 | |
| duflu | anpok_: The good news is Unity7 falls back automagically to LLVMpipe, and it's usually fast enough that most people don't notice. Just with some tearing and no dash blur | 07:42 |
| duflu | Although Unity7 has the benefit of hardware acceleration support for i915 :P | 07:43 |
| duflu | So I'm not sure just how bad LLVMpipe on i915 would be. Probably not great | 07:44 |
| anpok_ | well.. not useable on atoms at least | 07:57 |
| anpok_ | but ok on a i7 or xeon | 07:58 |
| duflu | anpok_: Atoms are 64-bit and use i965 now :) | 07:58 |
| duflu | But I would like it if we didn't retire old hardware just out of software limitations/ignorance | 07:59 |
| duflu | I recall the first one actually occurred in Mesa (dropping old GPUs) | 07:59 |
| anpok_ | hm maybe there is a way to get the qtpainter bakend back into qtuick rendering... | 08:11 |
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| alan_g | alf_: should this failure worry us? https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=i386,compiler=gcc,platform=mesa,release=xenial/445/console | 11:30 |
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