Add auto context restoration

src/graphics/graphics-library/helper/enable-context-lost-simulator.ts

@@ -0,0 +1,27 @@
+let isEnabled = false;
+
+export const enableContextLostSimulator = (canvas: HTMLCanvasElement) => {
+  if (isEnabled) {
+    return;
+  }
+
+  isEnabled = true;
+
+  const gl = canvas.getContext('webgl2')!;
+  const ext = gl.getExtension('WEBGL_lose_context');
+
+  const simulateContextLost = () => {
+    ext!.loseContext();
+    console.log('lost');
+
+    const restoreTimeout = Math.random() * 500;
+    setTimeout(() => {
+      ext!.restoreContext();
+      console.log('restored');
+    }, restoreTimeout);
+
+    setTimeout(() => simulateContextLost(), restoreTimeout + Math.random() * 500);
+  };
+
+  setTimeout(simulateContextLost, 1000);
+};