Stuck loading draco .glb models or draco_decoder.wasm on mobile only?

[danielacorner]

Hi, my app https://virus-terrarium.netlify.app/ loads draco .glb files over Git LFS, and seems to work fine on desktop, but on mobile it often gets stuck loading resources, either a .glb file or the draco_decoder.wasm from https://www.gstatic.com/draco/v1/decoders/draco_decoder.wasm -- even though in the Network tab, they both seem to be coming from cache

I've tried to make a somewhat minimal repro here https://r3fperf.netlify.app/ -- https://github.com/danielacorner/r3f-perf ( codesandbox at https://codesandbox.io/s/github/danielacorner/r3f-perf?file=/src/App.js ) -- for me it loads fine on desktop, but on mobile it gets consistently stuck loading /models/bacteriophage_P68_120_draco.glb

Any ideas what's going on? i.e.

• why would an app get stuck requesting draco_decoder.wasm?
• why would an app get stuck requesting a .glb file?
• why would this occur more / only on mobile?

Thanks very much for any help! Really enjoying these fantastic tools :)

[drcmda]

you can make draco part of your bundle and ship it. useGLTF(url, "/draco") copy these files into a "draco" folder in your public directory https://github.com/mrdoob/three.js/tree/dev/examples/js/libs/draco/gltf why it doesnt load for you i cannot say.

[danielacorner]

thanks ! I've actually included these (except for the encoder, since I believe I only need the decoder) and tried this on and off a couple times already, and it still seems to get stuck loading, whether it's coming from gstatic or bundled...

for example, I'll switch back to the locally-hosted source and redeploy now. Oddly it's only a real issue on mobile...

[drcmda]

it may just be your device (have you tested it against other devices?). i think you need to raise this on the threejs github with logs and everything that could help them to track it down.