setMaxAtlasPages mutates a static that lives for the page's lifetime, so a lowered cap silently leaked into every renderer built by later tests in the same file (their GL texture and shader sampler arrays were sized at the tiny cap, making tests order-dependent). Add resetMaxAtlasPages and call it in afterEach wherever the cap is lowered on a shared page.
@xterm/addon-webgl
An addon for xterm.js that enables a WebGL2-based renderer. This addon requires xterm.js v4+.
Install
npm install --save @xterm/addon-webgl
Usage
import { Terminal } from '@xterm/xterm';
import { WebglAddon } from '@xterm/addon-webgl';
const terminal = new Terminal();
terminal.open(element);
terminal.loadAddon(new WebglAddon());
See the full API for more advanced usage.
Handling Context Loss
The browser may drop WebGL contexts for various reasons like OOM or after the system has been suspended. There is an API exposed that fires the webglcontextlost event on the canvas so embedders can handle it however they wish. An easy, but suboptimal way, to handle this is by disposing of WebglAddon when the event fires:
const terminal = new Terminal();
const addon = new WebglAddon();
addon.onContextLoss(e => {
addon.dispose();
});
terminal.loadAddon(addon);
Read more about handling WebGL context losses on the Khronos wiki.