Function cpuWithTexturesArray4WithSinglePrecision

test/features/cpu-with-textures.js:203–230

(mode)

});

function cpuWithTexturesArray4WithSinglePrecision(mode) {
  const gpu = new GPU({ mode });
  const kernel = gpu.createKernel(function() {
    return [this.thread.x, this.thread.x, this.thread.x, this.thread.x];
  }, {
    output: [2],
    pipeline: true,
    precision: 'single',
  });
  const texture = kernel();
  assert.ok(texture.toArray);
  assert.deepEqual(texture.toArray().map(value => Array.from(value)), [[0,0,0,0], [1,1,1,1]]);
  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(result.map(value => Array.from(value)), [[0,0,0,0], [1,1,1,1]]);
  let calledTwice = false;
  texture.toArray = () => {
    calledTwice = true;
  };
  assert.deepEqual(cpuKernel(texture).map(value => Array.from(value)), [[0,0,0,0], [1,1,1,1]]);
  assert.equal(calledTwice, false);
  gpu.destroy();
}

(GPU.isGPUSupported && GPU.isSinglePrecisionSupported ? test : skip)('Array(4) with single precision auto', () => {
  cpuWithTexturesArray4WithSinglePrecision();