Function dynamicOutput2DGraphicalShrinks

test/features/dynamic-output.js:466–502

(mode)

function dynamicOutput2DGraphicalShrinks(mode) {
  const gpu = new GPU({ mode });
  const kernel = gpu.createKernel(function() {
    this.color(1,1,1,1);
  }, { graphical: true, dynamicOutput: true });

  kernel.setOutput([3,3]);
  kernel();
  let result = kernel.getPixels();
  assert.equal(result.length, 3 * 3 * 4);
  assert.deepEqual(Array.from(result), [
    255, 255, 255, 255,
    255, 255, 255, 255,
    255, 255, 255, 255,
    255, 255, 255, 255,
    255, 255, 255, 255,
    255, 255, 255, 255,
    255, 255, 255, 255,
    255, 255, 255, 255,
    255, 255, 255, 255,
  ]);
  assert.deepEqual(Array.from(kernel.output), [3,3]);

  kernel.setOutput([2,2]);
  kernel();
  result = kernel.getPixels();
  assert.equal(result.length, 2 * 2 * 4);
  assert.deepEqual(Array.from(result), [
    255, 255, 255, 255,
    255, 255, 255, 255,
    255, 255, 255, 255,
    255, 255, 255, 255
  ]);
  assert.deepEqual(Array.from(kernel.output), [2,2]);

  gpu.destroy();
}

test('dynamic output 2d graphical shrinks auto', () => {
  dynamicOutput2DGraphicalShrinks();