 GLFWwindow* window = glfwCreateWindow(000, 000, "OpenGL", nullptr, nullptr); // Windowed glfwMakeContextCurrent(window);  while (!glfwWindowShouldClose(window)) {     glfwSwapBuffers(window);     glfwPollEvents();     if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS)         glfwSetWindowShouldClose(window, GL_TRUE); } glfwTerminate(); return 0;  } 