buffer tests

• test bufferData with typedarray14ms ‣

  const {gl} = createContext();
  const tracker = new MemInfoTracker(gl, 'buffer');
  const buf1 = gl.createBuffer();
  tracker.addObjects(1);
  gl.bindBuffer(gl.ARRAY_BUFFER, buf1);
  const data1 = new Float32Array(25);
  gl.bufferData(gl.ARRAY_BUFFER, data1, gl.STATIC_DRAW);
  tracker.addMemory(data1.byteLength);
  const data1a = new Uint16Array(37);
  gl.bufferData(gl.ARRAY_BUFFER, data1a, gl.STATIC_DRAW);
  tracker.addMemory(data1a.byteLength - data1.byteLength);
  const buf2 = gl.createBuffer();
  tracker.addObjects(1);
  gl.bindBuffer(gl.ARRAY_BUFFER, buf2);
  const data2 = new Float32Array(55);
  gl.bufferData(gl.ARRAY_BUFFER, data2, gl.STATIC_DRAW);
  tracker.addMemory(data2.byteLength);
  gl.deleteBuffer(buf1);
  tracker.deleteObjectAndMemory(data1a.byteLength);
  gl.deleteBuffer(buf2);
  tracker.deleteObjectAndMemory(data2.byteLength);