Function cpuWithTexturesNumberWithSinglePrecision

test/features/cpu-with-textures.js:6–33

(mode)

describe('features: CPU with Textures');

function cpuWithTexturesNumberWithSinglePrecision(mode) {
  const gpu = new GPU({ mode });
  const kernel = gpu.createKernel(function() {
    return this.thread.x;
  }, {
    output: [2],
    pipeline: true,
    precision: 'single',
  });
  const texture = kernel();
  assert.ok(texture.toArray);
  assert.deepEqual(Array.from(texture.toArray()), [0, 1]);
  const cpu = new GPU({ mode: 'cpu' });
  const cpuKernel = cpu.createKernel(function(v) {
    return v[this.thread.x];
  }, { output: [2] });
  assert.notOk(cpuKernel.kernel.textureCache);
  const result = cpuKernel(texture);
  assert.ok(cpuKernel.kernel.textureCache);
  assert.deepEqual(Array.from(result), [0, 1]);
  let calledTwice = false;
  texture.toArray = () => {
    calledTwice = true;
  };
  assert.deepEqual(Array.from(cpuKernel(texture)), [0, 1]);
  assert.equal(calledTwice, false);
  gpu.destroy();
}

(GPU.isGPUSupported && GPU.isSinglePrecisionSupported ? test : skip)('number with single precision auto', () => {
  cpuWithTexturesNumberWithSinglePrecision();