ChanServ changed the topic of #panfrost to: Panfrost - FLOSS Mali Midgard & Bifrost - Logs https://oftc.irclog.whitequark.org/panfrost - <macc24> i have been here before it was popular
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<erlehmann> is anyone here familiar with OGLES2 shader programming and mali GPU?
<erlehmann> it seems that minetests OGLES2 renderer uses more than the guaranteed minimum of instructions for some shader stuff
<erlehmann> sfan5 (a minetest developer) maintains that no one is willing to put in the work of fixing this
<erlehmann> but maybe someone here has a mali GPU and can program shaders and is willing to take a look?
<erlehmann> macc24 wait you told me to come here. do you have the affected mali 400 in your posession?
<macc24> oh my god
<macc24> mali 400
<macc24> it's a bad idea to ask me anything rn
<macc24> i should not be on irc when unsober
<macc24> bye
<erlehmann> but the ballmer peak!
<erlehmann> sober programming is overrated, some of the worst bugs were created by people entirely sober
<HdkR> Going over the hardware limit of instructions basically means your need to write your shaders to stay under the limit. Same problems that old Intel hardware used to have.
<erlehmann> hey, i am running stuff on old intel hardware.
<erlehmann> 00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
<erlehmann> what do i win
<macc24> HdkR: ooh which old intel hardwdare?
<HdkR> That one that they just posted
<macc24> oh
<HdkR> Intel GMA has a pretty rough maximum shader size. D3D9 applications would hit them all the time :P
<macc24> i remember running xonotic at breaks in my school at 640x480
<macc24> on my thinkpad x201
<erlehmann> what's the limit though
<erlehmann> also how to figure out which shader is a problem? is there some static analysis?
<HdkR> If you're checking the shaderlog/programlog then it should return which one has failed
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<erlehmann> HdkR i have no idea what a shaderlog is and i do not have a mali GPU
<erlehmann> my job is solely to be bearer of bad news
<erlehmann> sometimes that leads to ppl fixing stuff
<erlehmann> other times it leads to insults
<macc24> erlehmann: y'know, if reporting bugs leads to insults you're doing it wrong
<HdkR> Only insult so far is to old hardware at this point?
<erlehmann> macc24 i was once called a terrorist for ending like 5 bug reports with “a mandatory code review would have been a great opportunity to spot this mistake”, but in my defense, it lead to code reviews.
<erlehmann> yes, ppl love to say “your hardware is too old / too niche” etc. pp.
<erlehmann> regardless, i am not going to fix shaders on mali gpu simply bc i do not have a mali gpu
<HdkR> In any case, both sides can approach the problem. Both sides might not be able to fix the problem. It's what happens when you hit hardware limits like this.
<erlehmann> but if anyone of you plays minetest, feel free to ping me
<macc24> erlehmann: i play some minestest to annoy driver devs and find bugs
<macc24> s/find bugs/poke holes in drivers/
<erlehmann> oh, it is a great game to do that
<erlehmann> the reform bug was amazing
<erlehmann> having missing backface culling show the back … of a player face
<erlehmann> backface culling was never so literal and will never again be
<alyssa> mali 400 is in #lima
<alyssa> panfrost is for mali t720 and newer
<HdkR> Midgard 1st gen cries
<macc24> mali t830? unsupported???????
<erlehmann> thank you alyssa
<alyssa> macc24: t830 should work fine
<alyssa> and i think i accidentally allowlisted it (and t880) last week, have fun
<macc24> alyssa: i have a phone with mali t830
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<macc24> i got it today as replacement for curent phone but its actually slower
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<macc24> so ill try to make mainline linux work on exynos 7870
<macc24> i want to make it run but my zero self esteem tells me ill fail so yall will never hear about it again
<alyssa> exynos is admittedly a bad omen
<macc24> listen im incredilby insecure about myself and i need concrete proof taht im not just a random person and i actually know something
<macc24> so illl make thaat exynos phone usable on mainline kenrel
<macc24> oops i was too honest
<erlehmann> i think that is adorable
<erlehmann> also a good goal
<erlehmann> i also hate programming, but like results!
* macc24 tries very hard to not rant about her personal life here
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