Function testImmutableTextureDelete

test/internal/recycling.js:143–187

(precision, done, mode)

});

function testImmutableTextureDelete(precision, done, mode) {
  const gpu = new GPU({ mode });
  const kernel = gpu.createKernel(function() {
    return this.thread.x;
  }, {
    output: [1],
    pipeline: true,
    immutable: true,
    precision,
  });
  const result = kernel();
  assert.equal(result.texture._refs, 2);
  const clone1 = result.clone();
  assert.equal(result.texture._refs, 3);
  const clone2 = result.clone();
  assert.equal(result.texture._refs, 4);
  const clone3 = result.clone();
  assert.equal(result.texture._refs, 5);
  const clone4 = result.clone();
  assert.equal(result.texture._refs, 6);
  const clone5 = result.clone();
  assert.equal(result.texture._refs, 7);

  clone1.delete();
  assert.equal(result.texture._refs, 6);
  clone2.delete();
  assert.equal(result.texture._refs, 5);
  clone3.delete();
  assert.equal(result.texture._refs, 4);
  clone4.delete();
  assert.equal(result.texture._refs, 3);
  clone5.delete();
  assert.equal(result.texture._refs, 2);
  result.delete();
  assert.equal(result.texture._refs, 1);
  const spy = sinon.spy(kernel.kernel.context, 'deleteTexture');
  gpu.destroy()
    .then(() => {
      assert.equal(result.texture._refs, 0);
      assert.equal(spy.callCount, 1);
      assert.ok(spy.calledWith(result.texture));
      spy.restore();
      done();
    });
}

test('immutable single precision texture delete auto', t => {
  testImmutableTextureDelete('single', t.async());