Function testImmutableKernelTextureRecycling

test/internal/recycling.js:7–29

(precision, mode)

describe('internal: recycling');

function testImmutableKernelTextureRecycling(precision, mode) {
  const gpu = new GPU({ mode });
  const kernel = gpu.createKernel(function(v) {
    return v[0] + 1;
  }, {
    output: [1],
    pipeline: true,
    immutable: true,
    precision,
  });
  let result = kernel([0]);
  const newTextureSpy = sinon.spy(kernel.texture.constructor.prototype, 'newTexture');
  for (let i = 0; i < 10; i++) {
    let lastResult = result;
    result = kernel(result);
    lastResult.delete();
  }
  assert.deepEqual(result.toArray(), new Float32Array([11]));
  assert.equal(newTextureSpy.callCount, 1);
  assert.equal(gpu.kernels.length, 2);
  newTextureSpy.restore();
  gpu.destroy();
}

test('immutable single precision kernel auto', () => {
  testImmutableKernelTextureRecycling('single')