Layer stacking

This commit is contained in:
2026-05-02 18:18:49 +10:00
parent fb1bf01fef
commit 80399c5a15
18 changed files with 3761 additions and 799 deletions

232
ui/app.js
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const shaderSelect = document.getElementById("shader-select");
const mixSlider = document.getElementById("mix-slider");
const bypassToggle = document.getElementById("bypass-toggle");
const reloadButton = document.getElementById("reload-button");
const resetParametersButton = document.getElementById("reset-parameters-button");
const runtimeStatus = document.getElementById("runtime-status");
const videoStatus = document.getElementById("video-status");
const compileStatus = document.getElementById("compile-status");
const parameterForm = document.getElementById("parameter-form");
let appState = null;
let websocket = null;
function createKv(target, values) {
target.innerHTML = "";
values.forEach(([key, value]) => {
const dt = document.createElement("dt");
dt.textContent = key;
const dd = document.createElement("dd");
dd.textContent = value;
target.append(dt, dd);
});
}
function postJson(path, payload) {
return fetch(path, {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify(payload),
});
}
function renderParameters(shader) {
parameterForm.innerHTML = "";
if (!shader) {
return;
}
shader.parameters.forEach((parameter) => {
const section = document.createElement("section");
section.className = "parameter";
const label = document.createElement("label");
label.textContent = parameter.label;
section.appendChild(label);
const valueLabel = document.createElement("div");
valueLabel.className = "parameter__value";
const sendValue = (value) => {
postJson("/api/update-parameter", {
shaderId: shader.id,
parameterId: parameter.id,
value,
});
};
if (parameter.type === "float") {
const range = document.createElement("input");
range.type = "range";
range.min = parameter.min?.[0] ?? 0;
range.max = parameter.max?.[0] ?? 1;
range.step = parameter.step?.[0] ?? 0.01;
range.value = parameter.value;
const number = document.createElement("input");
number.type = "number";
number.min = range.min;
number.max = range.max;
number.step = range.step;
number.value = parameter.value;
const pair = document.createElement("div");
pair.className = "parameter__pair";
pair.append(range, number);
section.append(pair, valueLabel);
const update = (value) => {
valueLabel.textContent = Number(value).toFixed(3);
range.value = value;
number.value = value;
};
update(parameter.value);
range.addEventListener("input", () => update(range.value));
range.addEventListener("change", () => sendValue(Number(range.value)));
number.addEventListener("change", () => {
update(number.value);
sendValue(Number(number.value));
});
} else if (parameter.type === "vec2" || parameter.type === "color") {
const pair = document.createElement("div");
pair.className = "parameter__pair";
const values = parameter.value.slice();
values.forEach((component, index) => {
const input = document.createElement("input");
input.type = "number";
input.step = parameter.step?.[index] ?? 0.01;
input.min = parameter.min?.[index] ?? "";
input.max = parameter.max?.[index] ?? "";
input.value = component;
input.addEventListener("change", () => {
values[index] = Number(input.value);
valueLabel.textContent = values.map((value) => Number(value).toFixed(3)).join(", ");
sendValue(values);
});
pair.appendChild(input);
});
valueLabel.textContent = values.map((value) => Number(value).toFixed(3)).join(", ");
section.append(pair, valueLabel);
} else if (parameter.type === "bool") {
const toggle = document.createElement("input");
toggle.type = "checkbox";
toggle.checked = parameter.value;
valueLabel.textContent = parameter.value ? "Enabled" : "Disabled";
toggle.addEventListener("change", () => {
valueLabel.textContent = toggle.checked ? "Enabled" : "Disabled";
sendValue(toggle.checked);
});
section.append(toggle, valueLabel);
} else if (parameter.type === "enum") {
const select = document.createElement("select");
parameter.options.forEach((option) => {
const item = document.createElement("option");
item.value = option.value;
item.textContent = option.label;
if (option.value === parameter.value) {
item.selected = true;
}
select.appendChild(item);
});
valueLabel.textContent = parameter.value;
select.addEventListener("change", () => {
valueLabel.textContent = select.value;
sendValue(select.value);
});
section.append(select, valueLabel);
}
parameterForm.appendChild(section);
});
}
function renderState(state) {
appState = state;
const shaders = state.shaders || [];
const activeShaderId = state.runtime.activeShaderId;
const activeShader = shaders.find((shader) => shader.id === activeShaderId) || shaders[0];
const performance = state.performance || {};
const frameBudgetMs = Number(performance.frameBudgetMs || 0);
const renderMs = Number(performance.renderMs || 0);
const smoothedRenderMs = Number(performance.smoothedRenderMs || 0);
const budgetUsedPercent = Number(performance.budgetUsedPercent || 0);
shaderSelect.innerHTML = "";
shaders.forEach((shader) => {
const option = document.createElement("option");
option.value = shader.id;
option.textContent = shader.name;
if (shader.id === activeShaderId) {
option.selected = true;
}
shaderSelect.appendChild(option);
});
mixSlider.value = state.runtime.mixAmount ?? 1;
bypassToggle.checked = Boolean(state.runtime.bypass);
compileStatus.textContent = state.runtime.compileMessage || "No compiler output.";
resetParametersButton.disabled = !activeShader || activeShader.parameters.length === 0;
createKv(runtimeStatus, [
["Active Shader", activeShader?.name || "None"],
["Auto Reload", state.app.autoReload ? "On" : "Off"],
["Control URL", `http://127.0.0.1:${state.app.serverPort}`],
["Compile Status", state.runtime.compileSucceeded ? "Ready" : "Error"],
["Render Time", `${renderMs.toFixed(2)} ms`],
["Smoothed Time", `${smoothedRenderMs.toFixed(2)} ms`],
["Frame Budget", `${frameBudgetMs.toFixed(2)} ms`],
["Budget Used", `${budgetUsedPercent.toFixed(1)}%`],
]);
createKv(videoStatus, [
["Signal", state.video.hasSignal ? "Present" : "Missing"],
["Mode", state.video.modeName || "Unknown"],
["Resolution", `${state.video.width || 0} x ${state.video.height || 0}`],
]);
renderParameters(activeShader);
}
async function loadInitialState() {
const response = await fetch("/api/state");
renderState(await response.json());
}
function connectWebSocket() {
const protocol = location.protocol === "https:" ? "wss" : "ws";
websocket = new WebSocket(`${protocol}://${location.host}/ws`);
websocket.onmessage = (event) => {
try {
renderState(JSON.parse(event.data));
} catch (error) {
console.error("Failed to parse state update", error);
}
};
websocket.onclose = () => {
setTimeout(connectWebSocket, 1000);
};
}
shaderSelect.addEventListener("change", () => {
postJson("/api/select-shader", { shaderId: shaderSelect.value });
});
mixSlider.addEventListener("change", () => {
postJson("/api/set-mix", { mixAmount: Number(mixSlider.value) });
});
bypassToggle.addEventListener("change", () => {
postJson("/api/set-bypass", { bypass: bypassToggle.checked });
});
reloadButton.addEventListener("click", () => {
postJson("/api/reload", {});
});
resetParametersButton.addEventListener("click", () => {
const activeShaderId = appState?.runtime?.activeShaderId;
if (!activeShaderId) {
return;
}
postJson("/api/reset-parameters", { shaderId: activeShaderId });
});
loadInitialState().then(connectWebSocket);

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@@ -1,53 +1,12 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Video Shader Host</title>
<link rel="stylesheet" href="/styles.css">
</head>
<body>
<main class="layout">
<section class="toolbar">
<div class="toolbar__group">
<label for="shader-select">Shader</label>
<select id="shader-select"></select>
</div>
<div class="toolbar__group toolbar__group--wide">
<label for="mix-slider">Mix</label>
<input id="mix-slider" type="range" min="0" max="1" step="0.01">
</div>
<label class="toggle">
<input id="bypass-toggle" type="checkbox">
<span>Bypass</span>
</label>
<button id="reload-button" type="button">Reload Shader</button>
</section>
<section class="status-grid">
<div class="panel">
<h2>Runtime</h2>
<dl id="runtime-status" class="kv"></dl>
</div>
<div class="panel">
<h2>Video</h2>
<dl id="video-status" class="kv"></dl>
</div>
<div class="panel panel--full">
<h2>Compiler</h2>
<pre id="compile-status"></pre>
</div>
</section>
<section class="panel">
<div class="panel__header">
<h2>Parameters</h2>
<button id="reset-parameters-button" type="button">Reset Parameters</button>
</div>
<form id="parameter-form" class="parameter-grid"></form>
</section>
</main>
<script src="/app.js"></script>
</body>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Video Shader Host</title>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.jsx"></script>
</body>
</html>

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ui/package-lock.json generated Normal file

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ui/package.json Normal file
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{
"name": "video-shader-control-ui",
"private": true,
"version": "0.1.0",
"type": "module",
"scripts": {
"dev": "vite",
"build": "vite build",
"preview": "vite preview"
},
"dependencies": {
"lucide-react": "^0.511.0",
"react": "^18.3.1",
"react-dom": "^18.3.1"
},
"devDependencies": {
"@vitejs/plugin-react": "^4.3.4",
"vite": "^5.4.11"
}
}

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ui/src/App.jsx Normal file
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import { useEffect, useMemo, useState } from "react";
import { GripVertical, Trash2 } from "lucide-react";
function KvList({ values }) {
return (
<dl className="kv">
{values.map(([key, value]) => (
<FragmentRow key={key} label={key} value={value} />
))}
</dl>
);
}
function FragmentRow({ label, value }) {
return (
<>
<dt>{label}</dt>
<dd>{value}</dd>
</>
);
}
function postJson(path, payload) {
return fetch(path, {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify(payload),
});
}
function moveItem(array, fromIndex, toIndex) {
if (fromIndex < 0 || fromIndex >= array.length || toIndex < 0 || toIndex >= array.length) {
return array;
}
const copy = [...array];
const [item] = copy.splice(fromIndex, 1);
copy.splice(toIndex, 0, item);
return copy;
}
function formatNumber(value, digits = 3) {
return Number(value ?? 0).toFixed(digits);
}
function formatParameterValue(parameterType, value) {
if (parameterType === "float") {
return formatNumber(value);
}
if (parameterType === "vec2" || parameterType === "color") {
return (value ?? []).map((item) => formatNumber(item)).join(", ");
}
if (parameterType === "bool") {
return value ? "Enabled" : "Disabled";
}
return `${value ?? ""}`;
}
function valuesMatch(left, right) {
return JSON.stringify(left) === JSON.stringify(right);
}
function ParameterField({ parameter, onParameterChange }) {
const [draftValue, setDraftValue] = useState(parameter.value);
useEffect(() => {
setDraftValue(parameter.value);
}, [parameter.value]);
const sendValue = (value) => {
setDraftValue(value);
onParameterChange(parameter.id, value);
};
const label = <label>{parameter.label}</label>;
const isPending = !valuesMatch(draftValue, parameter.value);
const appliedValueText = formatParameterValue(parameter.type, parameter.value);
if (parameter.type === "float") {
return (
<section className="parameter">
{label}
<div className="parameter__pair">
<input
type="range"
min={parameter.min?.[0] ?? 0}
max={parameter.max?.[0] ?? 1}
step={parameter.step?.[0] ?? 0.01}
value={draftValue}
onChange={(event) => sendValue(Number(event.target.value))}
/>
<input
type="number"
min={parameter.min?.[0] ?? ""}
max={parameter.max?.[0] ?? ""}
step={parameter.step?.[0] ?? 0.01}
value={draftValue}
onChange={(event) => sendValue(Number(event.target.value))}
/>
</div>
<div className={`parameter__value${isPending ? " parameter__value--pending" : ""}`}>
{isPending ? `Applied: ${appliedValueText}` : appliedValueText}
</div>
</section>
);
}
if (parameter.type === "vec2" || parameter.type === "color") {
const componentCount = parameter.type === "color" ? 4 : 2;
const values = [...(draftValue ?? [])];
while (values.length < componentCount) {
values.push(0);
}
return (
<section className="parameter">
{label}
<div className="parameter__pair">
{Array.from({ length: componentCount }, (_, index) => (
<input
key={index}
type="number"
min={parameter.min?.[index] ?? ""}
max={parameter.max?.[index] ?? ""}
step={parameter.step?.[index] ?? 0.01}
value={values[index]}
onChange={(event) => {
const next = [...values];
next[index] = Number(event.target.value);
sendValue(next);
}}
/>
))}
</div>
<div className={`parameter__value${isPending ? " parameter__value--pending" : ""}`}>
{isPending ? `Applied: ${appliedValueText}` : appliedValueText}
</div>
</section>
);
}
if (parameter.type === "bool") {
return (
<section className="parameter">
{label}
<label className="toggle toggle--field">
<input
type="checkbox"
checked={Boolean(draftValue)}
onChange={(event) => sendValue(event.target.checked)}
/>
<span>{draftValue ? "Enabled" : "Disabled"}</span>
</label>
<div className={`parameter__value${isPending ? " parameter__value--pending" : ""}`}>
{isPending ? `Applied: ${appliedValueText}` : appliedValueText}
</div>
</section>
);
}
if (parameter.type === "enum") {
return (
<section className="parameter">
{label}
<select value={draftValue} onChange={(event) => sendValue(event.target.value)}>
{parameter.options.map((option) => (
<option key={option.value} value={option.value}>
{option.label}
</option>
))}
</select>
<div className={`parameter__value${isPending ? " parameter__value--pending" : ""}`}>
{isPending ? `Applied: ${appliedValueText}` : appliedValueText}
</div>
</section>
);
}
return null;
}
function LayerCard({
layer,
index,
shaders,
expanded,
isDragging,
isDropTarget,
onToggleExpanded,
onDragStart,
onDragEnd,
onDragOver,
onDrop,
onRemove,
}) {
return (
<div
className={`layer-card${expanded ? " layer-card--expanded" : ""}${isDragging ? " layer-card--dragging" : ""}${isDropTarget ? " layer-card--drop-target" : ""}`}
onDragOver={(event) => {
event.preventDefault();
onDragOver(layer.id);
}}
onDrop={(event) => {
event.preventDefault();
onDrop(event, layer.id, index);
}}
>
<div className="layer-card__header">
<div className="layer-card__meta">
<button
type="button"
className="layer-card__drag-handle"
title="Drag to reorder"
aria-label="Drag to reorder"
draggable
onDragStart={(event) => {
event.dataTransfer.effectAllowed = "move";
event.dataTransfer.setData("text/plain", layer.id);
event.stopPropagation();
onDragStart(layer.id);
}}
onDragEnd={(event) => {
event.stopPropagation();
onDragEnd();
}}
>
<GripVertical size={16} strokeWidth={1.75} />
</button>
<span className="layer-card__index">{index + 1}</span>
<button type="button" className="layer-card__title" onClick={() => onToggleExpanded(layer.id)}>
{layer.shaderName}
</button>
</div>
<div className="layer-card__actions">
<label className="toggle toggle--compact">
<input
type="checkbox"
checked={Boolean(layer.bypass)}
onChange={(event) =>
postJson("/api/layers/set-bypass", {
layerId: layer.id,
bypass: event.target.checked,
})
}
/>
<span>Bypass</span>
</label>
<button type="button" onClick={() => onToggleExpanded(layer.id)}>
{expanded ? "Hide" : "Controls"}
</button>
<button
type="button"
className="icon-button"
title="Remove layer"
aria-label="Remove layer"
onClick={() => onRemove(layer.id)}
>
<Trash2 size={16} strokeWidth={1.75} />
</button>
</div>
</div>
{expanded ? (
<div className="layer-card__body">
<div className="layer-card__field">
<label htmlFor={`shader-${layer.id}`}>Shader</label>
<select
id={`shader-${layer.id}`}
value={layer.shaderId}
onChange={(event) =>
postJson("/api/layers/set-shader", {
layerId: layer.id,
shaderId: event.target.value,
})
}
>
{shaders.map((shader) => (
<option key={shader.id} value={shader.id}>
{shader.name}
</option>
))}
</select>
</div>
<div className="layer-card__subheader">
<h3>Parameters</h3>
<button
type="button"
disabled={layer.parameters.length === 0}
onClick={() => postJson("/api/layers/reset-parameters", { layerId: layer.id })}
>
Reset
</button>
</div>
{layer.parameters.length > 0 ? (
<div className="parameter-grid">
{layer.parameters.map((parameter) => (
<ParameterField
key={`${layer.id}:${parameter.id}:${JSON.stringify(parameter.value)}`}
parameter={parameter}
onParameterChange={(parameterId, value) =>
updateLayerParameterOptimistically(layer.id, parameterId, value)
}
/>
))}
</div>
) : (
<p className="muted">This shader does not expose any user parameters.</p>
)}
</div>
) : null}
</div>
);
}
function App() {
const [appState, setAppState] = useState(null);
const [pendingShaderId, setPendingShaderId] = useState("");
const [presetName, setPresetName] = useState("");
const [selectedPresetName, setSelectedPresetName] = useState("");
const [expandedLayerIds, setExpandedLayerIds] = useState([]);
const [dragLayerId, setDragLayerId] = useState(null);
const [dropTargetLayerId, setDropTargetLayerId] = useState(null);
useEffect(() => {
let mounted = true;
let socket;
let retryTimer;
const connectWebSocket = () => {
const protocol = window.location.protocol === "https:" ? "wss" : "ws";
socket = new WebSocket(`${protocol}://${window.location.host}/ws`);
socket.onmessage = (event) => {
try {
const nextState = JSON.parse(event.data);
if (mounted) {
setAppState(nextState);
}
} catch (error) {
console.error("Failed to parse state update", error);
}
};
socket.onclose = () => {
if (mounted) {
retryTimer = window.setTimeout(connectWebSocket, 1000);
}
};
};
fetch("/api/state")
.then((response) => response.json())
.then((state) => {
if (mounted) {
setAppState(state);
connectWebSocket();
}
})
.catch((error) => {
console.error("Failed to load initial state", error);
});
return () => {
mounted = false;
if (retryTimer) {
window.clearTimeout(retryTimer);
}
if (socket) {
socket.close();
}
};
}, []);
const layers = appState?.layers ?? [];
const shaders = appState?.shaders ?? [];
const performance = appState?.performance ?? {};
const runtime = appState?.runtime ?? {};
const video = appState?.video ?? {};
const app = appState?.app ?? {};
const stackPresets = appState?.stackPresets ?? [];
useEffect(() => {
if (!pendingShaderId && shaders.length > 0) {
setPendingShaderId(shaders[0].id);
} else if (pendingShaderId && !shaders.some((shader) => shader.id === pendingShaderId)) {
setPendingShaderId(shaders[0]?.id ?? "");
}
}, [pendingShaderId, shaders]);
useEffect(() => {
if (!selectedPresetName && stackPresets.length > 0) {
setSelectedPresetName(stackPresets[0]);
} else if (selectedPresetName && !stackPresets.includes(selectedPresetName)) {
setSelectedPresetName(stackPresets[0] ?? "");
}
}, [selectedPresetName, stackPresets]);
useEffect(() => {
const layerIds = new Set(layers.map((layer) => layer.id));
setExpandedLayerIds((current) => current.filter((layerId) => layerIds.has(layerId)));
}, [layers]);
const expandedSet = useMemo(() => new Set(expandedLayerIds), [expandedLayerIds]);
function updateLayerParameterOptimistically(layerId, parameterId, value) {
postJson("/api/layers/update-parameter", {
layerId,
parameterId,
value,
});
}
function toggleExpanded(layerId) {
setExpandedLayerIds((current) =>
current.includes(layerId) ? current.filter((id) => id !== layerId) : [...current, layerId],
);
}
function removeLayer(layerId) {
setExpandedLayerIds((current) => current.filter((id) => id !== layerId));
postJson("/api/layers/remove", { layerId });
}
function handleDrop(event, targetLayerId, targetIndex) {
const sourceLayerId = event.dataTransfer.getData("text/plain") || dragLayerId;
if (!sourceLayerId || sourceLayerId === targetLayerId) {
setDragLayerId(null);
setDropTargetLayerId(null);
return;
}
setAppState((current) => {
if (!current?.layers) {
return current;
}
const sourceIndex = current.layers.findIndex((layer) => layer.id === sourceLayerId);
const destinationIndex = current.layers.findIndex((layer) => layer.id === targetLayerId);
if (sourceIndex < 0 || destinationIndex < 0 || sourceIndex === destinationIndex) {
return current;
}
return {
...current,
layers: moveItem(current.layers, sourceIndex, destinationIndex),
};
});
postJson("/api/layers/reorder", {
layerId: sourceLayerId,
targetIndex,
});
setDragLayerId(null);
setDropTargetLayerId(null);
}
if (!appState) {
return (
<main className="layout">
<section className="panel">
<h2>Loading</h2>
<p className="muted">Waiting for control state from the native host.</p>
</section>
</main>
);
}
return (
<main className="layout">
<section className="toolbar">
<div className="toolbar__group toolbar__group--wide">
<label htmlFor="preset-name">Save Stack</label>
<div className="toolbar__inline">
<input
id="preset-name"
type="text"
placeholder="Preset name"
value={presetName}
onChange={(event) => setPresetName(event.target.value)}
/>
<button
type="button"
disabled={!presetName.trim()}
onClick={() => {
const trimmedName = presetName.trim();
if (!trimmedName) {
return;
}
postJson("/api/stack-presets/save", { presetName: trimmedName });
setSelectedPresetName(trimmedName.toLowerCase().replace(/[^a-z0-9]+/g, "-").replace(/^-+|-+$/g, ""));
}}
>
Save
</button>
</div>
</div>
<div className="toolbar__group toolbar__group--wide">
<label htmlFor="preset-select">Recall Stack</label>
<div className="toolbar__inline">
<select
id="preset-select"
value={selectedPresetName}
onChange={(event) => setSelectedPresetName(event.target.value)}
>
{stackPresets.length === 0 ? <option value="">No presets</option> : null}
{stackPresets.map((preset) => (
<option key={preset} value={preset}>
{preset}
</option>
))}
</select>
<button
type="button"
disabled={!selectedPresetName}
onClick={() => {
if (selectedPresetName) {
postJson("/api/stack-presets/load", { presetName: selectedPresetName });
}
}}
>
Recall
</button>
</div>
</div>
<button type="button" onClick={() => postJson("/api/reload", {})}>
Reload Shader
</button>
</section>
<section className="status-grid">
<div className="panel">
<h2>Runtime</h2>
<KvList
values={[
["Layer Count", `${runtime.layerCount || 0}`],
["Auto Reload", app.autoReload ? "On" : "Off"],
["Control URL", `http://127.0.0.1:${app.serverPort}`],
["Compile Status", runtime.compileSucceeded ? "Ready" : "Error"],
["Render Time", `${formatNumber(performance.renderMs, 2)} ms`],
["Smoothed Time", `${formatNumber(performance.smoothedRenderMs, 2)} ms`],
["Frame Budget", `${formatNumber(performance.frameBudgetMs, 2)} ms`],
["Budget Used", `${formatNumber(performance.budgetUsedPercent, 1)}%`],
]}
/>
</div>
<div className="panel">
<h2>Video</h2>
<KvList
values={[
["Signal", video.hasSignal ? "Present" : "Missing"],
["Mode", video.modeName || "Unknown"],
["Resolution", `${video.width || 0} x ${video.height || 0}`],
]}
/>
</div>
<div className="panel panel--full">
<h2>Compiler</h2>
<pre>{runtime.compileMessage || "No compiler output."}</pre>
</div>
</section>
<section className="panel">
<div className="panel__header">
<h2>Layers</h2>
<p className="muted">Drag layers to reorder them. Each layer processes the output of the one above it.</p>
</div>
<div className="layer-stack">
{layers.map((layer, index) => (
<LayerCard
key={layer.id}
layer={layer}
index={index}
shaders={shaders}
expanded={expandedSet.has(layer.id)}
isDragging={dragLayerId === layer.id}
isDropTarget={dropTargetLayerId === layer.id}
onToggleExpanded={toggleExpanded}
onDragStart={setDragLayerId}
onDragEnd={() => {
setDragLayerId(null);
setDropTargetLayerId(null);
}}
onDragOver={setDropTargetLayerId}
onDrop={handleDrop}
onRemove={removeLayer}
/>
))}
<div className="layer-card layer-card--add">
<div className="layer-card__header">
<div className="layer-card__meta">
<span className="layer-card__index">+</span>
<div className="layer-card__title layer-card__title--static">Add Layer</div>
</div>
<div className="layer-card__actions">
<button
type="button"
disabled={!pendingShaderId}
onClick={() => {
if (pendingShaderId) {
postJson("/api/layers/add", { shaderId: pendingShaderId });
}
}}
>
Add
</button>
</div>
</div>
<div className="layer-card__body">
<div className="layer-card__field">
<label htmlFor="add-layer-select">Shader</label>
<select
id="add-layer-select"
value={pendingShaderId}
onChange={(event) => setPendingShaderId(event.target.value)}
>
{shaders.map((shader) => (
<option key={shader.id} value={shader.id}>
{shader.name}
</option>
))}
</select>
</div>
</div>
</div>
</div>
</section>
</main>
);
}
export default App;

10
ui/src/main.jsx Normal file
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import React from "react";
import ReactDOM from "react-dom/client";
import App from "./App";
import "./styles.css";
ReactDOM.createRoot(document.getElementById("root")).render(
<React.StrictMode>
<App />
</React.StrictMode>,
);

325
ui/src/styles.css Normal file
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:root {
color-scheme: dark;
font-family: "Segoe UI", sans-serif;
background: #111318;
color: #edf1f7;
}
* {
box-sizing: border-box;
}
html,
body,
#root {
min-height: 100%;
}
body {
margin: 0;
background: #111318;
}
button,
input,
select,
pre {
font: inherit;
}
label,
h2,
h3 {
margin: 0;
font-size: 14px;
font-weight: 600;
}
input[type="range"] {
width: 100%;
}
input[type="number"],
select,
button {
width: 100%;
min-height: 36px;
border-radius: 6px;
border: 1px solid #38445b;
background: #0f131a;
color: inherit;
padding: 8px 10px;
}
button {
cursor: pointer;
background: #22314a;
}
button:disabled {
cursor: default;
opacity: 0.55;
}
pre {
margin: 0;
white-space: pre-wrap;
color: #c9d5ea;
}
.layout {
max-width: 1200px;
margin: 0 auto;
padding: 24px;
display: grid;
gap: 20px;
}
.toolbar,
.status-grid,
.parameter-grid {
display: grid;
gap: 16px;
}
.toolbar {
justify-content: end;
}
.panel {
background: #181c24;
border: 1px solid #2a3140;
border-radius: 8px;
padding: 16px;
}
.panel--full {
grid-column: 1 / -1;
}
.panel__header {
display: flex;
align-items: center;
justify-content: space-between;
gap: 12px;
margin-bottom: 12px;
}
.panel__header button {
width: auto;
min-width: 160px;
}
.status-grid {
grid-template-columns: repeat(2, minmax(0, 1fr));
}
.kv {
display: grid;
grid-template-columns: 160px 1fr;
gap: 8px 12px;
margin: 0;
}
.kv dt {
color: #94a4c2;
}
.kv dd {
margin: 0;
}
.layer-stack {
display: grid;
gap: 12px;
}
.layer-card {
display: grid;
gap: 14px;
padding: 14px;
border: 1px solid #2a3140;
border-radius: 8px;
background: #131720;
transition: border-color 120ms ease, background 120ms ease, transform 120ms ease;
}
.layer-card:hover {
border-color: #42516b;
}
.layer-card--expanded {
border-color: #5d81c3;
background: #151d2a;
box-shadow: inset 0 0 0 1px rgba(93, 129, 195, 0.25);
}
.layer-card--dragging {
opacity: 0.55;
}
.layer-card--drop-target {
border-color: #8db0ee;
box-shadow: 0 0 0 2px rgba(141, 176, 238, 0.2);
}
.layer-card__header,
.layer-card__meta,
.layer-card__actions,
.layer-card__subheader {
display: flex;
align-items: center;
gap: 10px;
}
.layer-card__header,
.layer-card__subheader {
justify-content: space-between;
}
.layer-card__meta,
.layer-card__actions {
min-width: 0;
flex-wrap: wrap;
}
.icon-button {
width: 36px;
min-width: 36px;
padding: 0;
display: inline-flex;
align-items: center;
justify-content: center;
}
.layer-card__index {
display: inline-flex;
align-items: center;
justify-content: center;
width: 28px;
height: 28px;
border-radius: 999px;
background: #22314a;
color: #c9d5ea;
font-size: 12px;
font-weight: 700;
}
.layer-card__title {
width: auto;
min-width: 0;
flex: 1 1 auto;
text-align: left;
background: #1e2a3f;
}
.layer-card__title--static {
cursor: default;
}
.layer-card__drag-handle {
color: #94a4c2;
cursor: grab;
user-select: none;
display: inline-flex;
align-items: center;
justify-content: center;
width: 24px;
height: 24px;
flex: 0 0 auto;
}
.layer-card__actions {
justify-content: flex-end;
}
.layer-card__actions button {
width: auto;
min-width: 72px;
}
.layer-card__body {
display: grid;
gap: 14px;
}
.layer-card--add {
border-style: dashed;
}
.layer-card__field {
display: grid;
gap: 8px;
}
.layer-card__subheader button {
width: auto;
min-width: 96px;
}
.parameter-grid {
grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.parameter {
display: grid;
gap: 8px;
padding: 12px;
border: 1px solid #2a3140;
border-radius: 8px;
background: #131720;
}
.parameter__value {
color: #94a4c2;
font-size: 12px;
}
.parameter__value--pending {
color: #d3b26a;
}
.parameter__pair {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 8px;
}
.toggle {
display: inline-flex;
align-items: center;
gap: 10px;
min-height: 36px;
}
.toggle--compact {
min-height: auto;
}
.toggle--field {
justify-content: flex-start;
}
.muted {
margin: 0;
color: #94a4c2;
}
@media (max-width: 900px) {
.toolbar,
.status-grid {
grid-template-columns: 1fr;
}
.layer-card__header,
.layer-card__subheader {
align-items: flex-start;
flex-direction: column;
}
.layer-card__actions,
.layer-card__actions button,
.layer-card__field select {
width: 100%;
}
}

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@@ -1,169 +0,0 @@
:root {
color-scheme: dark;
font-family: "Segoe UI", sans-serif;
background: #111318;
color: #edf1f7;
}
* {
box-sizing: border-box;
}
body {
margin: 0;
background: #111318;
}
.layout {
max-width: 1200px;
margin: 0 auto;
padding: 24px;
display: grid;
gap: 20px;
}
.toolbar,
.status-grid,
.parameter-grid {
display: grid;
gap: 16px;
}
.toolbar {
grid-template-columns: minmax(220px, 2fr) minmax(220px, 3fr) auto auto;
align-items: end;
}
.toolbar__group {
display: grid;
gap: 8px;
}
.toolbar__group--wide {
min-width: 260px;
}
.panel {
background: #181c24;
border: 1px solid #2a3140;
border-radius: 8px;
padding: 16px;
}
.panel--full {
grid-column: 1 / -1;
}
.panel__header {
display: flex;
align-items: center;
justify-content: space-between;
gap: 12px;
margin-bottom: 12px;
}
.panel__header button {
width: auto;
min-width: 160px;
}
.status-grid {
grid-template-columns: repeat(2, minmax(0, 1fr));
}
.kv {
display: grid;
grid-template-columns: 160px 1fr;
gap: 8px 12px;
margin: 0;
}
.kv dt {
color: #94a4c2;
}
.kv dd {
margin: 0;
}
.parameter-grid {
grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.parameter {
display: grid;
gap: 8px;
padding: 12px;
border: 1px solid #2a3140;
border-radius: 8px;
background: #131720;
}
.parameter__value {
color: #94a4c2;
font-size: 12px;
}
.parameter__pair {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 8px;
}
label,
h2 {
margin: 0;
font-size: 14px;
font-weight: 600;
}
input,
select,
button,
pre {
font: inherit;
}
input[type="range"] {
width: 100%;
}
input[type="number"],
select,
button {
width: 100%;
min-height: 36px;
border-radius: 6px;
border: 1px solid #38445b;
background: #0f131a;
color: inherit;
padding: 8px 10px;
}
button {
cursor: pointer;
background: #22314a;
}
.toggle {
display: inline-flex;
align-items: center;
gap: 10px;
min-height: 36px;
}
pre {
margin: 0;
white-space: pre-wrap;
color: #c9d5ea;
}
@media (max-width: 900px) {
.toolbar {
grid-template-columns: 1fr;
}
.status-grid {
grid-template-columns: 1fr;
}
}

13
ui/vite.config.js Normal file
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import { defineConfig } from "vite";
import react from "@vitejs/plugin-react";
export default defineConfig({
plugins: [react()],
build: {
outDir: "dist",
emptyOutDir: true,
},
server: {
host: "127.0.0.1",
},
});