river bug on Intel windows platforms http://crbug.com/782317.");

var gl = wtu.create3DContext("example", {stencil: true});

var program, colorLoc;

// Rendering with large viewport and stencil buffer enabled will lead to
// memory leak and driver crash on d3d11 driver on Intel platforms.
function render_stencil() {
  var canvas = document.getElementById("example");
  gl.uniform4f(colorLoc, 1.0, 0.0, 0.0, 1.0);

  canvas.width = 32767;
  canvas.height = 32767;
  gl.viewport(0, 0, 32767, 32767);

  gl.enable