View difference between Paste ID: fG711uMv and cfYhKDXD

 // Original code by opengl-tutorials.org
 
 // Include standard headers
 #include <stdio.h>
 #include <stdlib.h>
 
 // Include GLEW
 #include <GL/glew.h>
 
 // Include GLFW
 #include <GL/glfw.h>
 
 // Include GLM
 #include <glm/glm.hpp>
 using namespace glm;
 
 int main( void )
 {
         GLFWwindow* window;
 
         // Initialise GLFW
         if( !glfwInit() )
         {
                 fprintf( stderr, "Failed to initialize GLFW\n" );
                 return -1;
         }
 
         glfwWindowHint(GLFW_FSAA_SAMPLES, 4);
         glfwWindowHint(GLFW_OPENGL_VERSION_MAJOR, 3);
         glfwWindowHint(GLFW_OPENGL_VERSION_MINOR, 3);
         glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 
         // Create the window
         window = glfwCreateWindow( 1024, 768, "Hello World", 0, 0);
 
         // Open a window and create its OpenGL context
         if( !window )
         {
                 fprintf( stderr, "Failed to open GLFW window. If you have an Intel GPU, they are not 3.3 compatible. Try the 2.1 version of the tutorials.\n" );
                 glfwTerminate();
                 return -1;
         }
 
         // Initialize GLEW
         if (glewInit() != GLEW_OK) {
                 fprintf(stderr, "Failed to initialize GLEW\n");
                 return -1;
         }
 
         // Set window as the one we currently use
         glfwMakeContextCurrent(window);
 
         // Ensure we can capture the escape key being pressed below
         glfwSetInputMode(window, GLFW_STICKY_KEYS, GL_TRUE);
 
         // Dark blue background
         glClearColor(0.0f, 0.0f, 0.4f, 0.0f);
 
         do{
                 // Draw nothing, see you in tutorial 2 !
 
                 // Swap buffers
                 glfwSwapBuffers(window);
 
                 // Update events for the window
                 glfwPollEvents()
 
         } // Check if the ESC key was pressed or the window was closed
         while( !glfwWindowShouldClose(window) );
 
         // Close OpenGL window and terminate GLFW
         glfwTerminate();
 
         return 0;
 }