Function testOnly4PixelsAreShownRGBDynamicOutput

test/issues/473-4-pixels.js:94–120

(mode)

});

function testOnly4PixelsAreShownRGBDynamicOutput(mode) {
  const gpu = new GPU({ mode });
  const render = gpu.createKernel(
    function() {
      this.color(1, 1, 1);
    },
    {
      output: [20, 20],
      graphical: true,
      dynamicOutput: true,
    }
  );

  render();

  const pixels = render.getPixels();
  assert.equal(pixels.length, 20 * 20 * 4);
  assert.equal(pixels.filter(v => v === 255).length, 20 * 20 * 4);

  render.setOutput([10, 10]);
  render();

  const pixels2 = render.getPixels();
  assert.equal(pixels2.length, 10 * 10 * 4);
  assert.equal(pixels2.filter(v => v === 255).length, 10 * 10 * 4);
  gpu.destroy();
}

test('rgb dynamic output auto', () => {
  testOnly4PixelsAreShownRGBDynamicOutput();