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Merge changes I59ff0260,Iae793df8 into main
* changes: ui: remove unnecessary full redraws ui: clean up raf_scheduler.ts and perf.ts
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// Copyright (C) 2018 The Android Open Source Project | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS IS" BASIS, | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
|
||
import m from 'mithril'; | ||
import {raf} from './raf_scheduler'; | ||
import {PerfStats, PerfStatsContainer, runningStatStr} from './perf_stats'; | ||
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export class PerfManager { | ||
private _enabled = false; | ||
readonly containers: PerfStatsContainer[] = []; | ||
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get enabled(): boolean { | ||
return this._enabled; | ||
} | ||
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set enabled(enabled: boolean) { | ||
this._enabled = enabled; | ||
raf.setPerfStatsEnabled(true); | ||
this.containers.forEach((c) => c.setPerfStatsEnabled(enabled)); | ||
} | ||
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addContainer(container: PerfStatsContainer): Disposable { | ||
this.containers.push(container); | ||
return { | ||
[Symbol.dispose]: () => { | ||
const i = this.containers.indexOf(container); | ||
this.containers.splice(i, 1); | ||
}, | ||
}; | ||
} | ||
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renderPerfStats(): m.Children { | ||
if (!this._enabled) return; | ||
// The rendering of the perf stats UI is atypical. The main issue is that we | ||
// want to redraw the mithril component even if there is no full DOM redraw | ||
// happening (and we don't want to force redraws as a side effect). So we | ||
// return here just a container and handle its rendering ourselves. | ||
const perfMgr = this; | ||
let removed = false; | ||
return m('.perf-stats', { | ||
oncreate(vnode: m.VnodeDOM) { | ||
const animationFrame = (dom: Element) => { | ||
if (removed) return; | ||
m.render(dom, m(PerfStatsUi, {perfMgr})); | ||
requestAnimationFrame(() => animationFrame(dom)); | ||
}; | ||
animationFrame(vnode.dom); | ||
}, | ||
onremove() { | ||
removed = true; | ||
}, | ||
}); | ||
} | ||
} | ||
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// The mithril component that draws the contents of the perf stats box. | ||
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interface PerfStatsUiAttrs { | ||
perfMgr: PerfManager; | ||
} | ||
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class PerfStatsUi implements m.ClassComponent<PerfStatsUiAttrs> { | ||
view({attrs}: m.Vnode<PerfStatsUiAttrs>) { | ||
return m( | ||
'.perf-stats', | ||
{}, | ||
m('section', this.renderRafSchedulerStats()), | ||
m( | ||
'button.close-button', | ||
{ | ||
onclick: () => (attrs.perfMgr.enabled = false), | ||
}, | ||
m('i.material-icons', 'close'), | ||
), | ||
attrs.perfMgr.containers.map((c, i) => | ||
m('section', m('div', `Panel Container ${i + 1}`), c.renderPerfStats()), | ||
), | ||
); | ||
} | ||
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renderRafSchedulerStats() { | ||
return m( | ||
'div', | ||
m('div', [ | ||
m( | ||
'button', | ||
{onclick: () => raf.scheduleCanvasRedraw()}, | ||
'Do Canvas Redraw', | ||
), | ||
' | ', | ||
m( | ||
'button', | ||
{onclick: () => raf.scheduleFullRedraw()}, | ||
'Do Full Redraw', | ||
), | ||
]), | ||
m('div', 'Raf Timing ' + '(Total may not add up due to imprecision)'), | ||
m( | ||
'table', | ||
this.statTableHeader(), | ||
this.statTableRow('Actions', raf.perfStats.rafActions), | ||
this.statTableRow('Dom', raf.perfStats.rafDom), | ||
this.statTableRow('Canvas', raf.perfStats.rafCanvas), | ||
this.statTableRow('Total', raf.perfStats.rafTotal), | ||
), | ||
m( | ||
'div', | ||
'Dom redraw: ' + | ||
`Count: ${raf.perfStats.domRedraw.count} | ` + | ||
runningStatStr(raf.perfStats.domRedraw), | ||
), | ||
); | ||
} | ||
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statTableHeader() { | ||
return m( | ||
'tr', | ||
m('th', ''), | ||
m('th', 'Last (ms)'), | ||
m('th', 'Avg (ms)'), | ||
m('th', 'Avg-10 (ms)'), | ||
); | ||
} | ||
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statTableRow(title: string, stat: PerfStats) { | ||
return m( | ||
'tr', | ||
m('td', title), | ||
m('td', stat.last.toFixed(2)), | ||
m('td', stat.mean.toFixed(2)), | ||
m('td', stat.bufferMean.toFixed(2)), | ||
); | ||
} | ||
} |
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