Three.js WebGPU Skill Pack

incomplete

WebGPU FFT Ocean

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-fft-ocean
Kind: Canonical Lab
Owning skill: Spectral Ocean
Execution: rendering
Three.js: 0.185.1
Source hash: sha256:8e5b5f310de4938e4041daac7f9688054085f68004fba69e6d560b9e30acf125
Published bundle hash: sha256:a999ebba1260c4dfbfa0ca033c3e7e857002a7180679201f352e19bcfe53153e
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.

minimum-four-storage-texturesincomplete

initialized adapter limit

Runtime proof

renderer-initincomplete

No runtime evidence is recorded.

backend-is-webgpuincomplete

No runtime evidence is recorded.

mechanism-reachableincomplete

No runtime evidence is recorded.

render-or-compute-workincomplete

No runtime evidence is recorded.

aligned-readbackincomplete

No runtime evidence is recorded.

complete-2d-fft-readbackincomplete

No runtime evidence is recorded.

per-cascade-surface-and-foam-readbackincomplete

No runtime evidence is recorded.

pages-source-hashincomplete

No runtime evidence is recorded.

Capture state

Field	Published value
Primary route	`/demos/webgpu-fft-ocean/`
Cameras	`near, design, far, underwater`
Seeds	`0x00000001, 0x9e3779b9`
Modes	`final, height, displacement, slopes, jacobian, foam, normal, spectrum-fft, cascade-bands, underwater-optics, cpu-query, no-post, diagnostics`
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	`directional-sea`	`{"mode":"final","camera":"design"}`	incomplete
mechanism	`spectrum-and-fft`	`{"mode":"spectrum-fft","camera":"design"}`	incomplete
mechanism	`dispersion-and-cascades`	`{"mode":"cascade-bands","camera":"design"}`	incomplete
mechanism	`derivatives-and-jacobian`	`{"mode":"jacobian","camera":"near"}`	incomplete
mechanism	`whitecaps-and-foam`	`{"mode":"foam","camera":"near"}`	incomplete
mechanism	`above-and-below-surface`	`{"mode":"underwater-optics","camera":"underwater"}`	incomplete
mechanism	`cpu-query-parity`	`{"mode":"cpu-query","camera":"design"}`	incomplete
tier	`ultra`	`{"tier":"ultra"}`	incomplete
tier	`high`	`{"tier":"high"}`	incomplete
tier	`medium`	`{"tier":"medium"}`	incomplete
tier	`low`	`{"tier":"low"}`	incomplete

Locked tier contracts

ultra · incomplete

{
  "targetClass": "unmeasured-current-adapter",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "fftResolution": 512,
    "dpr": 1
  },
  "mechanismLimits": {
    "cascadeCount": 3,
    "packedComplexTransformCount": 4
  },
  "resourceLimits": {
    "authoredStorageBudgetMiB": 104,
    "derivedStorageBytes": 106954752
  },
  "degradationFromPrevious": [],
  "preservedInvariants": [
    "dimensional spectrum",
    "Hermitian evolution",
    "explicit inverse-transform convention",
    "resolved-band geometry/normal parity",
    "native-resolution per-cascade foam history"
  ]
}

high · incomplete

{
  "targetClass": "unmeasured-current-adapter",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "fftResolution": 256,
    "dpr": 1
  },
  "mechanismLimits": {
    "cascadeCount": 3,
    "packedComplexTransformCount": 4
  },
  "resourceLimits": {
    "authoredStorageBudgetMiB": 28,
    "derivedStorageBytes": 26738688
  },
  "degradationFromPrevious": [
    "FFT resolution 512 to 256"
  ],
  "preservedInvariants": [
    "dimensional spectrum",
    "Hermitian evolution",
    "explicit inverse-transform convention",
    "resolved-band geometry/normal parity",
    "native-resolution per-cascade foam history"
  ]
}

medium · incomplete

{
  "targetClass": "unmeasured-current-adapter",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "fftResolution": 256,
    "dpr": 1
  },
  "mechanismLimits": {
    "cascadeCount": 2,
    "packedComplexTransformCount": 4
  },
  "resourceLimits": {
    "authoredStorageBudgetMiB": 22,
    "derivedStorageBytes": 17825792
  },
  "degradationFromPrevious": [
    "cascade count 3 to 2"
  ],
  "preservedInvariants": [
    "dimensional spectrum",
    "Hermitian evolution",
    "explicit inverse-transform convention",
    "resolved-band geometry/normal parity",
    "native-resolution per-cascade foam history"
  ]
}

low · incomplete

{
  "targetClass": "unmeasured-current-adapter",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "fftResolution": 128,
    "dpr": 1
  },
  "mechanismLimits": {
    "cascadeCount": 1,
    "packedComplexTransformCount": 4
  },
  "resourceLimits": {
    "authoredStorageBudgetMiB": 8,
    "derivedStorageBytes": 2228224
  },
  "degradationFromPrevious": [
    "FFT resolution 256 to 128",
    "cascade count 2 to 1"
  ],
  "preservedInvariants": [
    "dimensional spectrum",
    "Hermitian evolution",
    "explicit inverse-transform convention",
    "resolved-band geometry/normal parity",
    "native-resolution per-cascade foam history"
  ]
}

Limitations

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