Try xcb libs 2

.github/workflows/test.yml

@@ -41,4 +41,5 @@ jobs:
           sudo apt-get update -qq
           sudo apt-get install -qq libgles2-mesa-dev libxcb-cursor0 libxcb-icccm4 libxcb-keysyms1 libxcb-shape0 libxcb-xkb1 libxkbcommon-x11-0
           sudo apt-get install -qq libdbus-1-3 libxcb-image0 libxcb-randr0 libxcb-render-util0 libxcb-xinerama0 libxcb-xinput0 libxcb-xfixes0
-          QT_QPA_PLATFORM=xcb xvfb-run --auto-servernum npm run test-ci
+          # QT_QPA_PLATFORM=xcb xvfb-run --auto-servernum npm run test-ci
+          QT_QPA_PLATFORM=xcb xvfb-run --auto-servernum node test/debug.js

test/debug.js

@@ -0,0 +1,30 @@
+'use strict';
+
+const three = require('three');
+
+const inited = require('./init')();
+const { window, loop, QmlOverlay } = inited;
+
+const renderer = new three.WebGLRenderer();
+renderer.setPixelRatio(window.devicePixelRatio);
+renderer.setSize(window.innerWidth, window.innerHeight);
+
+const camera = new three.PerspectiveCamera(70, window.innerWidth / window.innerHeight, 1, 1000);
+camera.position.z = 2;
+const scene = new three.Scene();
+const overlay = new QmlOverlay({ file: `${__dirname}/test.qml` });
+const loadPromise = Promise.race([
+	new Promise((res) => { setTimeout(() => res(false), 5000); }),
+	new Promise((res) => overlay.on('load', () => res(true))),
+]);
+
+(async () => {
+	const stop = loop(() => {
+		renderer.render(scene, camera);
+	});
+	await loadPromise;
+	await new Promise((res) => setTimeout(res, 1000));
+	stop();
+	window.destroy();
+	setTimeout(() => undefined, 500);
+})();