add gpu info

Author: greggman

test/index.js

@@ -1,5 +1,6 @@
 /* global mocha */
 
+import './tests/gpu-info.js';
 import './tests/attribute-buffer-tests.js';
 import './tests/framebuffer-tests.js';
 import './tests/helper-tests.js';

test/tests/gpu-info.js

@@ -0,0 +1,14 @@
+import {describe, it} from '../mocha-support.js';
+
+function getGPUInfo(gl, ext) {
+  return ext
+    ? ['UNMASKED_VENDOR_WEBGL', 'UNMASKED_RENDERER_WEBGL'].map(pname => `${pname}: ${gl.getParameter(ext[pname])}`).join(',\n')
+    : 'unavailable';
+}
+
+describe('gpu info', () => {
+  const gl = new OffscreenCanvas(1, 1).getContext('webgl2');
+  const ext = gl.getExtension('WEBGL_debug_renderer_info');
+  const title = getGPUInfo(gl, ext);
+  it(title, () => {});
+});