GLTFExporter: Make getToBlobPromise() more robust.
#31598
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…as when exporting GLTF/GLB images
📦 Bundle sizeFull ESM build, minified and gzipped.
🌳 Bundle size after tree-shakingMinimal build including a renderer, camera, empty scene, and dependencies.
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Mugen87
reviewed
Aug 7, 2025
Mugen87
changed the title
getToBlobPromise() more robust.
Rewrite `getToBlobPromise()`.
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fix for Firefox 141.0.2+ not resolving promise with Offscreencanvas when exporting GLTF/GLB images
Fixed #31588
Description
toBlob(deprecated) when canvas is an instance of Offscreencanvas to prevent returned promise from never resolving.