64 lines
4 KiB
Markdown
64 lines
4 KiB
Markdown
# Eve Renderer Parity
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Parity is currently uneven by design. The shared surface contract is forming,
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but the browser reference is the first renderer that can be used as a practical
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comparison oracle.
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See [runtime-app-parity-roadmap.md](./runtime-app-parity-roadmap.md) for the
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generic Eve app plan across web, Flutter, Fensalir Direct2D, iOS/UIKit, and
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the Android Flutter device body. Repixelizer is the first style-parity target.
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Pixel parity is not byte-identical screenshot parity. Text rasterization,
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antialiasing, GPU backends, and device scale will differ. The target is
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recognizable CultUI fidelity: the same partitions, fonts, colors, panel
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treatments, spacing, image sampling intent, and control anatomy lower cleanly
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enough that Repixelizer remains itself across runtimes.
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The shared fixture/report path lives in
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[parity-testing-harness.md](./parity-testing-harness.md). That harness is the
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current evidence surface for semantic parity and runtime capture gaps.
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## Current State
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| Renderer | Status | Proof | Gap |
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| --- | --- | --- | --- |
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| Web reference | Active reference/debug renderer | `web/` renders live VoidBot and fixture surfaces through the provider picker; compiles indentation CultUI; lowers partitions, field rows, and slider anatomy; Chrome headless capture emits phone/tablet/desktop PNGs | Needs command round-trip tests |
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| Windows / Flutter | Active shared graphical smoke target | `flutter/eve_parity` loads exported `gamecult.eve.surface.v1` fixture JSON and emits phone/tablet/desktop golden PNGs through `capture-flutter-parity.ps1` | Needs native window capture and tighter text/style normalization |
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| Linux / Flutter | Active shared graphical smoke target | Nightwing runs the Flutter parity goldens over SSH and returns phone/tablet/desktop PNGs | Needs native window capture and runner health checks |
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| Android / Flutter | Active shared graphical smoke target | The same Flutter parity app is built as an APK, installed on Periwinkle, and captured at phone/tablet/desktop plus native physical panel orientations | Needs live provider picker and command transport beyond fixture assets |
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| iOS / UIKit | Active native screenshot target | SSH capture stages selected fixture JSON, EveCanvas renders it, and emits a PNG from `/var/mobile/Library/EveCanvas/latest-screenshot.png` | Needs real scene composition for `vn.stage`, Repixelizer token fidelity, and responsive/simulator capture |
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| Android / Kotlin device edge | Compatibility body | Native APK consumes CultMesh dashboard/sensor documents for edge experiments | Not the GUI CultUI parity target unless direct Android ownership earns its keep |
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| Fensalir Direct2D | Specialized native/game-runtime landing zone | Existing `AquariumUiDocument` and `DirectWriteOverlay` path | Needs adapter from Eve surface document to `AquariumUiDocument`, DirectWrite/Direct2D token lowering, and a clear reason to stay separate from Flutter for desktop UI |
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## Spawned Surfaces
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The browser reference runner now exposes local advertisements through the
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provider picker:
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- `VoidBot Live`: connects to Mimir's `/eve/deck` broker and opens
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`voidbot.swarm`.
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- `Repixelizer`: loads `web/fixtures/repixelizer.provider-advertisement.json`
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and `web/fixtures/repixelizer.eve-surface.json`.
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- `Fensalir Direct2D`: loads `web/fixtures/fensalir-client-surface.json`, a
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recorded surface describing the Direct2D client lowering path.
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- `Sai VN Surface`: loads `web/fixtures/sai-vn-surface.json`.
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- `Huginn .cc`: compiles `web/fixtures/huginn-cc-surface.eve`.
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- `Reactive DSL`: compiles `web/fixtures/reactive-composition.eve`.
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- `CultUI Inspector`: compiles `web/fixtures/cultui-slider-inspector.eve`
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and proves partition/field-row/slider-anatomy lowering in the web reference.
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The remaining temporary part is the local provider list itself. The runtime app
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target is the same picker fed by live `gamecult.eve.provider_advertisement.v1`
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documents through CultMesh/Odin.
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Start it with:
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```powershell
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powershell -ExecutionPolicy Bypass -File .\scripts\start-browser-reference.ps1
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```
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Then open:
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```text
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http://127.0.0.1:8891/
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```
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