Three.js WebGPU Skill Pack

incomplete

WebGPU Procedural Timelines

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-procedural-timelines
Kind: Canonical Lab
Owning skill: Procedural Motion Systems
Execution: rendering
Three.js: 0.185.1
Source hash: sha256:3db072e5c8ac16ac2eb82b9cbffa767255b1035bce9adb40b4a0ad04b46b41bf
Published bundle hash: sha256:f9e8756ac5d061ff4da4333db3decc3acf75890d3897d177cf8d9bd6dbe813c0
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.

storage-bufferincomplete

No capability evidence is recorded.

computeincomplete

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.

compute-storage-readbackincomplete

No runtime evidence is recorded.

mrt-readbackincomplete

No runtime evidence is recorded.

current-adapter-gpu-timestampincomplete

No runtime evidence is recorded.

Capture state

Field	Published value
Primary route	`/demos/webgpu-procedural-timelines/`
Cameras	`near, design, far`
Seeds	`0x00000001, 0x9e3779b9`
Modes	`final, velocity, emissive, normal`
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	`launch-and-staging`	`{"scenario":"launch-and-staging"}`	incomplete
scenario	`spin-docking`	`{"scenario":"spin-docking"}`	incomplete
scenario	`debris-release`	`{"scenario":"debris-release"}`	incomplete
mechanism	`launch-and-staging`	`{"mechanism":"launch-and-staging"}`	incomplete
mechanism	`spin-docking`	`{"mechanism":"spin-docking"}`	incomplete
mechanism	`debris-release`	`{"mechanism":"debris-release"}`	incomplete
mechanism	`quaternion-and-reparent`	`{"mechanism":"quaternion-and-reparent"}`	incomplete
mechanism	`compute-storage`	`{"mechanism":"compute-storage"}`	incomplete
mechanism	`interpolation-and-velocity`	`{"mechanism":"interpolation-and-velocity"}`	incomplete
tier	`full`	`{"tier":"full"}`	incomplete
tier	`balanced`	`{"tier":"balanced"}`	incomplete
tier	`test-minimum`	`{"tier":"test-minimum"}`	incomplete

Locked tier contracts

full · incomplete

{
  "targetClass": "current native-WebGPU adapter",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "dprCap": {
      "value": 2,
      "unit": "ratio",
      "label": "Authored",
      "source": "motion lab tier"
    }
  },
  "mechanismLimits": {
    "instanceCapacity": {
      "value": 4096,
      "unit": "instances",
      "label": "Authored",
      "source": "motion lab tier"
    }
  },
  "resourceLimits": {
    "motionStorageBytes": {
      "value": 851968,
      "unit": "bytes",
      "label": "Derived",
      "source": "4096 * 208"
    }
  },
  "degradationFromPrevious": [],
  "preservedInvariants": [
    "fixed-step semantics",
    "exact terminal lock",
    "previous/current transforms"
  ]
}

balanced · incomplete

{
  "targetClass": "current native-WebGPU adapter",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "dprCap": {
      "value": 1.5,
      "unit": "ratio",
      "label": "Authored",
      "source": "motion lab tier"
    }
  },
  "mechanismLimits": {
    "instanceCapacity": {
      "value": 2048,
      "unit": "instances",
      "label": "Authored",
      "source": "motion lab tier"
    }
  },
  "resourceLimits": {
    "motionStorageBytes": {
      "value": 425984,
      "unit": "bytes",
      "label": "Derived",
      "source": "2048 * 208"
    }
  },
  "degradationFromPrevious": [
    "halve recurrent instance capacity",
    "lower DPR cap"
  ],
  "preservedInvariants": [
    "fixed-step semantics",
    "exact terminal lock",
    "previous/current transforms"
  ]
}

test-minimum · incomplete

{
  "targetClass": "correctness fixture",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "dprCap": {
      "value": 1,
      "unit": "ratio",
      "label": "Authored",
      "source": "motion lab tier"
    }
  },
  "mechanismLimits": {
    "instanceCapacity": {
      "value": 64,
      "unit": "instances",
      "label": "Authored",
      "source": "motion lab tier"
    }
  },
  "resourceLimits": {
    "motionStorageBytes": {
      "value": 13312,
      "unit": "bytes",
      "label": "Derived",
      "source": "64 * 208"
    }
  },
  "degradationFromPrevious": [
    "reduce recurrent instance capacity to fixture scale",
    "lower DPR cap"
  ],
  "preservedInvariants": [
    "native WebGPU",
    "fixed-step semantics",
    "exact terminal lock",
    "previous/current transforms"
  ]
}

Limitations

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