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 #include "common-ui.h"
   6
   7 extern GLFWwindow *win;
   8 bool init_opengl()
   9 {
  10         if(!glfwInit()) {
  11                 fprintf(stderr, "Failed to initialize GLFW.\n");
  12                 return false;
  13         }
  14
  15         glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
  16         glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 5);
  17
  18         if(!(win = glfwCreateWindow(win_w, win_h, "glcow", 0, 0))) {
  19                 fprintf(stderr, "Failed to create window.\n");
  20                 return false;
  21         }
  22         glfwMakeContextCurrent(win);
  23
  24         glewInit();
  25         return true;
  26 }
  27
  28 void cleanup_opengl()
  29 {
  30         if(win) {
  31                 glfwDestroyWindow(win);
  32         }
  33         glfwTerminate();
  34 }
  35
  36 void display_opengl()
  37 {
  38         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  39         glClearColor(0.5, 0.5, 0.5, 1.0);
  40 }