Three.js WebGPU Skill Pack

incomplete

WebGPU Cached Shadow Pipeline Integration

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-pipeline-integration
Kind: Integration Demo
Owning skill: Scalable Real-Time Shadows
Execution: rendering
Three.js: 0.185.1
Source hash: sha256:27394576b055625138a3c3ca1d2b9a5e5e34dbe53b36d8ddb2bcdb0bd066dab8
Published bundle hash: sha256:265d06cf27686cbd04149885ccc345f27ed8281807a35907ed627c222f84c4dc
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.

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.

child-shadow-targets-consumedincomplete

No runtime evidence is recorded.

single-final-output-ownershipincomplete

No runtime evidence is recorded.

Capture state

Field	Published value
Primary route	`/demos/webgpu-shadow-pipeline-integration/`
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	`cached-shadow-image-pipeline`	`{"scenario":"cached-shadow-image-pipeline","tier":"high","mode":"final"}`	incomplete
mechanism	`child-shadow-receiver-blend`	`{"mode":"final"}`	incomplete
mechanism	`sequential-shadow-updates`	`{"mode":"owner-graph"}`	incomplete
mechanism	`single-output-ownership`	`{"mode":"owner-graph"}`	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": {
    "cachedShadowTier": "high",
    "receiverTopology": "independent-textures-static-loop-frustum-gated"
  },
  "resourceLimits": {
    "rendererOwners": 1,
    "finalRenderPipelineOwners": 1,
    "toneMapOwners": 1,
    "outputTransformOwners": 1
  },
  "degradationFromPrevious": [],
  "preservedInvariants": [
    "one renderer owner",
    "one final RenderPipeline owner",
    "one tone-map owner",
    "one output-color-transform owner"
  ]
}

Limitations

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