alyssa changed the topic of #panfrost to: Panfrost - FLOSS Mali Midgard & Bifrost - Logs https://freenode.irclog.whitequark.org/panfrost - <daniels> avoiding X is a huge feature
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<icecream95> By adding a mprotect(PROT_READ) to pandecode_fetch_gpu_mem, I've finally found why programs look different when tracing:
<icecream95> ../src/panfrost/pandecode/decode.c:2623: s->midgard1.flags_lo &= ~MALI_HELPER_INVOCATIONS;
<mmind00> icecream95: though that seems midgard-specific? I've seen the same on bifrost (program looking different when using apitrace)
<icecream95> mmind00: This is about decoding GPU descriptors, so unrelated to API-level tracing such as apitrace
<mmind00> icecream95: ah ok ... I thought that could've been related ... thanks for clarifying :-)
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<robmur01> yeah, dumping via a read-only view of memory is a pretty solid idea in general :)
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<robmur01> probably not very exciting, but kinda fun if you want to play Mali top trumps, I suppose...
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<alyssa-> robmur01: Poor G31 :p
<alyssa-> Sort of curious why G72 can't do CL 2.1
<alyssa-> "1: OpenGL ES has 4 render targets and Vulkan 8"
<alyssa-> .....Huh. So it's a driver thing?
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<alyssa-> 8x MRT is needed for desktop GL 3
<alyssa-> sounds like T760/T860 should have the hw at any rate
<alyssa-> Thanks for the link. Not much new there, but it's nice to see it all together.
<alyssa-> And, uh, I like staring at numbers :P
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<icecream95> alyssa-: I was looking at 8x MRT yesterday. The hardware can write to 8 RTs, but I'm getting the same values in the first 4 as the second 4 - maybe the RT reference in the shader needs to be changed somehow
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