WebGL state consistency

webgl.state-consistency

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Selected signal results for external comparison. Field statuses, controls and exact values are retained.

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// Test source pending.

Definition

Mutates and restores named WebGL states and checks owned readback scenes.

Find it in the repository

Collector source: core/signals/webgl/state-consistency.ts
Export: measurementModule · Signal object
Field definitions: core/definitions/webgl/state-consistency.ts
Capture membership: Product capture · common/capture/product.ts
Page registration: app/signals/registry.ts
Field projection: core/results/measurement.ts

Execution contract

Signal: webgl.state-consistency
Collector: webgl.state-consistency
API / surface: core/signals/webgl/state-consistency.ts
Timeout: 1250 ms
Companion signals: None
Fixture inputs: Declared requests (listed below)

Exact request inputs

[
  {
    "key": "webgl.state-consistency.responses",
    "inputs": {
      "webgl-ACTIVE_TEXTURE": {
        "api": "webgl",
        "state": "ACTIVE_TEXTURE",
        "restore": "actual initial"
      },
      "webgl-PACK_ALIGNMENT": {
        "api": "webgl",
        "state": "PACK_ALIGNMENT",
        "restore": "actual initial"
      },
      "webgl-FRONT_FACE": {
        "api": "webgl",
        "state": "FRONT_FACE",
        "restore": "actual initial"
      },
      "webgl-CULL_FACE_MODE": {
        "api": "webgl",
        "state": "CULL_FACE_MODE",
        "restore": "actual initial"
      },
      "webgl-DEPTH_CLEAR_VALUE": {
        "api": "webgl",
        "state": "DEPTH_CLEAR_VALUE",
        "restore": "actual initial"
      },
      "webgl-parameters": {
        "api": "webgl",
        "valid": "MAX_TEXTURE_SIZE",
        "invalid": 0
      },
      "webgl-pixels-0": {
        "api": "webgl",
        "width": 4,
        "height": 4,
        "color": [
          1,
          0,
          1,
          1
        ],
        "subrectangle": [
          1,
          1,
          2,
          2
        ],
        "insetColor": [
          0,
          1,
          0,
          1
        ]
      },
      "webgl-pixels-1": {
        "api": "webgl",
        "width": 4,
        "height": 4,
        "color": [
          0,
          1,
          0,
          1
        ],
        "subrectangle": [
          1,
          1,
          2,
          2
        ],
        "insetColor": [
          1,
          0,
          1,
          1
        ]
      },
      "webgl2-ACTIVE_TEXTURE": {
        "api": "webgl2",
        "state": "ACTIVE_TEXTURE",
        "restore": "actual initial"
      },
      "webgl2-PACK_ALIGNMENT": {
        "api": "webgl2",
        "state": "PACK_ALIGNMENT",
        "restore": "actual initial"
      },
      "webgl2-FRONT_FACE": {
        "api": "webgl2",
        "state": "FRONT_FACE",
        "restore": "actual initial"
      },
      "webgl2-CULL_FACE_MODE": {
        "api": "webgl2",
        "state": "CULL_FACE_MODE",
        "restore": "actual initial"
      },
      "webgl2-DEPTH_CLEAR_VALUE": {
        "api": "webgl2",
        "state": "DEPTH_CLEAR_VALUE",
        "restore": "actual initial"
      },
      "webgl2-parameters": {
        "api": "webgl2",
        "valid": "MAX_TEXTURE_SIZE",
        "invalid": 0
      },
      "webgl2-pixels-0": {
        "api": "webgl2",
        "width": 4,
        "height": 4,
        "color": [
          1,
          0,
          1,
          1
        ],
        "subrectangle": [
          1,
          1,
          2,
          2
        ],
        "insetColor": [
          0,
          1,
          0,
          1
        ]
      },
      "webgl2-pixels-1": {
        "api": "webgl2",
        "width": 4,
        "height": 4,
        "color": [
          0,
          1,
          0,
          1
        ],
        "subrectangle": [
          1,
          1,
          2,
          2
        ],
        "insetColor": [
          1,
          0,
          1,
          1
        ]
      }
    },
    "controls": {}
  }
]

One collector runs per invocation. Results and JSON select this signal’s fields; any companions execute in the same collector.

Generated source manifest lists runtime files, fixture URLs and content digests for this build. The Source tab provides a copyable console sample.

Run and edit locally

From the repository root, start the Astro app, then open /signals/webgl.state-consistency. Edit the collector source and reload the page to load its new build.

pnpm run dev:web

In a browser module served by this repository’s Vite graph:

import { createCollector } from "/core/collect"
import { measurementModule } from "/core/signals/webgl/state-consistency"

const signal = measurementModule
const collector = createCollector()
const suite = { signals: [signal] }
const result = await collector.collect(suite)

Reuse the collector owner for repeated calls so collection can enforce cleanup. This returns the collector’s raw result; app/signals/projection.ts selects the retained fields shown on this page.

rg -n 'measurementModule' core app tests
pnpm run check
pnpm run test tests/unit/app/focused-projection.test.ts