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Choosing mesh compression type per primitive#929

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marwie wants to merge 2 commits intodonmccurdy:mainfrom
needle-tools:selective-mesh-compression
Open

Choosing mesh compression type per primitive#929
marwie wants to merge 2 commits intodonmccurdy:mainfrom
needle-tools:selective-mesh-compression

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@marwie
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@marwie marwie commented Apr 30, 2023

Hello,

as suggested in the discussion here I've started adding the skips in draco

and tried to add it to meshopt too but this is not yet working. I'm still including the commit here for talking about the approach (I tried skipping meshopt for every second primitive (or rather all accessors that are used by every second primitive))

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The model I've been testing with: CarbonFrameBike.zip

Falsely skipped meshopt results in:
image

@donmccurdy donmccurdy added this to the v3.6 milestone Aug 22, 2023
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Hi @marwie, sorry for the slow followup on this – are you still interested in supporting per-primitive compression? And, am I correct in understanding that the PR currently is expected to work trivially for Draco, but will need more investigation for Meshopt?

@donmccurdy donmccurdy modified the milestones: v3.6, Backlog Aug 31, 2023
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marwie commented Sep 2, 2023

Hey no problem. For draco it seemed to work easily yes but I didnt get it to work with meshopt and didnt have time to look into it yet.
I think it would still be useful to have this working but it is not urgent. But in general I would like to understand what I was missing to get it to work with meshopt

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