main.cpp

//
// Created by rothnald on 2/25/18.
//

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

const int SIZE_X = 800;
const int SIZE_Y = 600;

void framebuffer_size_callback(GLFWwindow* window, int width, int height);

int main(){
    glfwInit();
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);

    GLFWwindow* window = glfwCreateWindow(SIZE_X, SIZE_Y, "ScreenManager", NULL, NULL);
    if(window == NULL){
        std::cout << "Failed to create GLFW window" << std::endl;
        glfwTerminate();
        return -1;
    }
    glfwMakeContextCurrent(window);

    if(!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)){
        std::cout << "Failed to initialize GLAD" << std::endl;
        return -1;
    }
    glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);

    while(!glfwWindowShouldClose(window)){
        processInput(window);
        
        glfwSwapBuffers(window);
        glfwPollEvents();
    }

    glfwTerminate();
    return 0;
}
void framebuffer_size_callback(GLFWwindow* window, int width, int height){
    glViewport(0, 0, width, height);
}
void processInput(GLFWwindow* window){
    if(glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS){
        glfwSetWindowShouldClose(window, true);
    }
}