maplibre-gl/src/symbol/symbol_layout.bench.ts

BSD licensed community fork of mapbox-gl, a WebGL interactive maps library

import {test} from 'vitest';
import {performSymbolLayout} from './symbol_layout.ts';
import {SymbolBucket} from '../data/bucket/symbol_bucket.ts';
import {SubdivisionGranularitySetting} from '../render/subdivision_granularity_settings.ts';
import {fixtureTiles, parseTile} from '../../test/bench/lib/parse_tile.ts';

import type {WorkerTileWithData} from '../source/worker_source.ts';

const parsedTiles = await Promise.all(fixtureTiles.map(async (tile): Promise<WorkerTileWithData> => {
    return await parseTile(tile, true) as WorkerTileWithData;
}));

test('performSymbolLayout', async ({bench}) => {
    await bench('performSymbolLayout', () => {
        for (const tileResult of parsedTiles) {
            for (const bucket of tileResult.buckets) {
                if (bucket instanceof SymbolBucket) {
                    performSymbolLayout({
                        bucket,
                        glyphMap: tileResult.glyphMap,
                        glyphPositions: tileResult.glyphPositions,
                        imageMap: tileResult.iconMap,
                        imagePositions: tileResult.imageAtlas.iconPositions,
                        showCollisionBoxes: false,
                        canonical: tileResult.featureIndex.tileID.canonical,
                        subdivisionGranularity: SubdivisionGranularitySetting.noSubdivision,
                        hasPromoteId: false
                    });
                }
            }
        }
    }).run();
});