git.mutantstargoat.com Git - demo/blob - src/opengl/opengl.cc

   1 #include <GL/glew.h>
   2 #include <stdio.h>
   3
   4 #include "opengl/opengl.h"
   5
   6 extern GLFWwindow *win;
   7 extern int win_h;
   8 extern int win_w;
   9
  10 bool init_opengl()
  11 {
  12         if(!glfwInit()) {
  13                 fprintf(stderr, "Failed to initialize GLFW.\n");
  14                 return false;
  15         }
  16
  17         glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
  18         glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 5);
  19
  20         if(!(win = glfwCreateWindow(win_w, win_h, "glcow", 0, 0))) {
  21                 fprintf(stderr, "Failed to create window.\n");
  22                 return false;
  23         }
  24         glfwMakeContextCurrent(win);
  25
  26         glewInit();
  27
  28         glEnable(GL_DEPTH_TEST);
  29         glEnable(GL_CULL_FACE);
  30
  31         return true;
  32 }
  33
  34 void cleanup_opengl()
  35 {
  36         if(win) {
  37                 glfwDestroyWindow(win);
  38         }
  39         glfwTerminate();
  40 }