Three.js WebGPU Skill Pack

incomplete

WebGPU Directional Shadow Architecture Bench

This report separates published implementation state from accepted evidence. Every value below comes from the schema-v2 registry, the emitted source manifest, or promoted same-lab artifacts.

Open demo Owning skill Published source manifest Registry JSON Canonical source

Lab id: webgpu-shadow-architecture-bench
Kind: Mechanism Demo
Owning skill: Scalable Real-Time Shadows
Execution: rendering
Three.js: 0.185.1
Source hash: sha256:40940db67adf92fe7da2e55717e3ef0b5a58e672e51dddf4a986618f97628367
Published bundle hash: sha256:41da732c1e9ec6596ee2e72bfabd0258d60ff54d1bf20c742d8994f0dd4a6c99
Build revision: sha256:6c7881ab73865696d689489de465e1cd67e1f2242d43641279abac777df0479b
Renderer: Not promoted
Backend: Not promoted
Evidence contract: v2
Tracked release bundle: Absent

Claim verdicts

canonicalAcceptanceINSUFFICIENT_EVIDENCE

hardwarePerformanceNOT_CLAIMED

Promoted same-lab media

No same-lab evidence image is promoted for this report. The page intentionally shows status and proof requirements instead of substitute art.

Required capability and runtime proof

Capabilities

native-webgpuincomplete

No capability evidence is recorded.

comparison-depth-texturesincomplete

No capability evidence is recorded.

timestamp-queryincomplete

No capability evidence is recorded.

Runtime proof

renderer-initincomplete

No runtime evidence is recorded.

backend-is-webgpuincomplete

No runtime evidence is recorded.

mechanism-reachableincomplete

No runtime evidence is recorded.

aligned-readbackincomplete

No runtime evidence is recorded.

same-scene-architecture-comparisonincomplete

No runtime evidence is recorded.

actual-shadow-resource-inventoryincomplete

No runtime evidence is recorded.

Capture state

Field	Published value
Primary route	`/demos/webgpu-shadow-architecture-bench/`
Cameras	`near, design, far`
Seeds	`0x00000001, 0x9e3779b9`
Modes	`final, shadow-depth, owner-graph`
Capture time	`Not present in the promoted report data`
Adapter identity	`Not promoted`
Raw readback hashes	`Not promoted`

Fixed routes

Kind	Id	Startup state	Status
scenario	`bounded`	`{"scenario":"bounded","tier":"high","mode":"final"}`	incomplete
scenario	`csm`	`{"scenario":"csm","tier":"high","mode":"final"}`	incomplete
scenario	`tiled`	`{"scenario":"tiled","tier":"high","mode":"final"}`	incomplete
scenario	`cached`	`{"scenario":"cached","tier":"high","mode":"final"}`	incomplete
mechanism	`bounded-shadow`	`{"scenario":"bounded","tier":"high","mode":"final"}`	incomplete
mechanism	`csm`	`{"scenario":"csm","tier":"high","mode":"final"}`	incomplete
mechanism	`tiled-shadow`	`{"scenario":"tiled","tier":"high","mode":"final"}`	incomplete
mechanism	`cached-clipmap`	`{"scenario":"cached","tier":"high","mode":"final"}`	incomplete
tier	`high`	`{"tier":"high"}`	incomplete

Locked tier contracts

high · incomplete

{
  "targetClass": "current WebGPU adapter",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "width": 1200,
    "height": 800,
    "dpr": 1
  },
  "mechanismLimits": {
    "architectureCount": 4,
    "fixedTier": "high"
  },
  "resourceLimits": {
    "inventorySource": "runtime-owned shadow targets"
  },
  "degradationFromPrevious": [],
  "preservedInvariants": [
    "identical seeded receiver/caster scene",
    "normal depth for the stock r185 tile comparison",
    "one directional illumination owner"
  ]
}

Limitations

No tracked accepted v2 runtime bundle is published for this source hash.
3 required capability records remain incomplete.
6 required runtime-proof records remain incomplete.
No current-hardware performance claim is published without named-adapter timestamp evidence.