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webgpu-native / webgpu-headers

**NOT STABLE YET!** See README.
https://webgpu-native.github.io/webgpu-headers/
BSD 3-Clause "New" or "Revised" License
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Proposal: Make all struct chains mutable, instead of having separate in/out/inout chain types #395

Open kainino0x opened 3 weeks ago

kainino0x commented 3 weeks ago

It doesn't seem like we get much value from const in these struct chains, and it introduces some complexity - every chained struct needs to match the mutability of its root struct, which means they can't be mixed. Right now we have "in", "out", and "inout" (#260) struct chains; we could imagine a situation where we need to attach a new "inout" non-root struct to an "in" struct but can't, and it becomes kludgy.

Doing this would obsolete #376, and allow us to defer the decision from #261 about whether to mix inputs and outputs in the same struct chain (also potentially reducing the number of version 2s of APIs we need if we don't do #216 right now). Loosely affects #264 as well, see there.

kainino0x commented 2 weeks ago

WGPUFutureWaitInfo is already a sort of in-out struct (but not extensible) - future goes in, completed comes out.