Function rawSinglePrecisionRenderOutput

test/features/raw-output.js:49–71

(mode)

function rawSinglePrecisionRenderOutput(mode) {
  const gpu = new GPU({ mode });
  const kernel = gpu.createKernel(function(v) {
    return v[this.thread.x];
  }, {
    output: [1],
    precision: 'single',
  });
  kernel.build([1]);
  kernel.run([1]);
  const result = kernel.renderRawOutput();
  assert.equal(result.constructor, Float32Array);
  // TODO: there is an odd bug in headless gl that causes this to output:
  //   "0": 1,
  //   "1": 2097761,
  //   "2": 2.120494879387071e-36,
  //   "3": -814303.375
  //  For the time being, just check the first value, until this is fixed
  // assert.deepEqual(result, new Float32Array([1, 0, 0, 0]));
  assert.deepEqual(result.length, 4);
  assert.deepEqual(result[0], 1);
  gpu.destroy();
}

(GPU.isSinglePrecisionSupported ? test : skip)('raw single precision render output auto', () => {
  rawSinglePrecisionRenderOutput();