OpenGL window

OpenGL-window.cpp

#include <GL/glew.h>
#include <GLFW/glfw3.h>
#include <glm/glm.hpp>
#include <iostream>
using namespace std;

GLFWwindow* window = NULL;
GLFWmonitor* monitor = NULL;

void setWindowFillColor(const uint16_t& r, const uint16_t& g,
						const uint16_t& b) {
	glClearColor(static_cast<float>(r > 0 ? r / 255 : 0),
				 static_cast<float>(g > 0 ? g / 255 : 0),
				 static_cast<float>(b > 0 ? b / 255 : 0), 1);
}

int main() {
	glewExperimental = true;

	glfwInit();

	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);

	monitor = glfwGetPrimaryMonitor();

	const GLFWvidmode* mode = glfwGetVideoMode(monitor);

	window = glfwCreateWindow(800, 800, "OpenGL", NULL, NULL);

	glfwSetWindowPos(window, mode->width / 2 - 400, mode->height / 2 - 400);

	glfwMakeContextCurrent(window);

	glewInit();

	glfwSetInputMode(window, GLFW_STICKY_KEYS, GL_TRUE);

	do {
		setWindowFillColor(255, 0, 0);

		glClear(GL_COLOR_BUFFER_BIT);

		glfwSwapBuffers(window);
		glfwPollEvents();
	} while (glfwGetKey(window, GLFW_KEY_ESCAPE) != GLFW_PRESS
			 && !glfwWindowShouldClose(window));

	glfwTerminate();
}