Method setProgram

src/node/node.js:456–459

(program)

  // layer.renderer.createProgram(fragmentShader, vertexShader, attributeOptions)
  setProgram(program) {
    this[_program] = program;
    this.forceUpdate();
  }

  setShaderAttribute(attrName, setter) {
    this[_shaderAttrs] = this[_shaderAttrs] || {};