Method useProgram

src/webgl/p5.Shader.js:866–872

* @chainable * @private

(options)

   * @private
   */
  useProgram(options) {
    if (this._renderer._curShader !== this) {
      this._renderer._useShader(this);
      this._renderer._curShader = this;
    }
    return this;
  }

  /**
   * Sets the shader’s uniform (global) variables.