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ARC 2.0.0-beta.28 · AUP Web-only widget

webgl-hero

AUP Web-only widget `webgl-hero`: purpose, boundaries, surfaces, fallback, and evidence.

AUP Web-only widget — not a cross-device primitive; not a Web Device layout component.

The name is registered in AUP_WIDGETS (packages/aup/src/aup-types.ts). It can be accepted by structure verification and implemented by a Web runtime (or native target where noted). It is not one of the 18 cross-device AUP_PRIMITIVES, does not enter DeviceCaps.primitives via fillPrimitives, and is not a Web Device theme/site layout component (for example content-card or page-breadcrumb).

Purpose

WebGL decorative background with many shader modes. Dual AUP + Web Device script-tag widget path.

Boundaries

  • Do not document this type as a portable primitive.
  • Do not mix it with Web Device layout-component reference pages under widgets/.
  • A parser-accepted name is not a portability or product-readiness claim.

Author entry

AUP type: "webgl-hero" or layout widget mount from web-device/widgets/webgl-hero/.

Surfaces

Interactive Web / layout widget. Not document capability.

Fallback

No WebGL/JS → empty decoration. No shared degradation chain.

Evidence

SourcePath
Registrationpackages/aup/src/aup-types.ts
Registryproviders/runtime/ui/src/aup-registry.ts (webgl-hero)
AUP rendererproviders/runtime/ui/src/web-page/renderers/webgl-hero.ts
Web Device widgetproviders/runtime/web-device/widgets/webgl-hero/manifest.json
Matrixcapability-matrix.md §2 webgl-hero row

Paths are relative to the Arc repository checkout used for this documentation baseline.

Sample

Internal / experimental for public samples. Registration and renderers exist in the interactive Web runtime (and sometimes Web Device widget packages), but this site does not ship a docs-safe live sample. Do not infer product readiness from the type name alone.

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