init_window.h

#pragma once

#include <glad/glad.h>
#include <GLFW/glfw3.h>

#include <iostream>

inline GLFWwindow * init_window(const int SCR_WIDTH, const int SCR_HEIGHT, const char * const window_title)
{
  // glfw: initialize and configure
  // ------------------------------
  glfwInit();
  glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
  glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
  glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);

#ifdef __APPLE__
  glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // uncomment this statement to fix compilation on OS X
#endif

  // glfw window creation
  // --------------------
  GLFWwindow* window = glfwCreateWindow(SCR_WIDTH, SCR_HEIGHT, window_title, NULL, NULL);
  if (window == NULL)
  {
    std::cout << "Failed to create GLFW window" << std::endl;
    glfwTerminate();
    exit(1);
  }
  glfwMakeContextCurrent(window);

  // glad: load all OpenGL function pointers
  // ---------------------------------------
  if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))
  {
    std::cout << "Failed to initialize GLAD" << std::endl;
    exit(1);
  }

  return window;
}