Function threeLayerDeepFloat

test/internal/deep-types.js:114–145

(mode)

function threeLayerDeepFloat(mode) {
  const gpu = new GPU({ mode });
  function child1Function(child1FunctionArgument1) {
    return child2Function(child1FunctionArgument1);
  }
  function child2Function(child2FunctionArgument1) {
    return child3Function(child2FunctionArgument1 + 1);
  }
  function child3Function(child3FunctionArgument1) {
    return child3FunctionArgument1 + 1;
  }
  gpu
    .addFunction(child1Function)
    .addFunction(child2Function)
    .addFunction(child3Function);
  const kernel = gpu.createKernel(function(kernelArgument1) {
    return child1Function(kernelArgument1);
  }, { output: [1] });
  sinon.spy(FunctionBuilder.prototype, 'lookupReturnType');
  try {
    const result = kernel(1.5);
    assert.equal(result[0], 3.5);
    assert.equal(FunctionBuilder.prototype.lookupReturnType.callCount, 5);
    assert.equal(FunctionBuilder.prototype.lookupReturnType.args[0][0], 'child1Function');
    assert.equal(FunctionBuilder.prototype.lookupReturnType.args[1][0], 'child2Function');
    assert.equal(FunctionBuilder.prototype.lookupReturnType.args[2][0], 'child3Function');
    assert.equal(FunctionBuilder.prototype.lookupReturnType.args[3][0], 'child2Function');
    assert.equal(FunctionBuilder.prototype.lookupReturnType.args[4][0], 'child3Function');
  } finally {
    FunctionBuilder.prototype.lookupReturnType.restore();
  }
}

(GPU.isWebGLSupported ? test : skip)('three layer deep float WebGL', () => {
  threeLayerDeepFloat('webgl');