Minimal reproducible bug (GLFW wayland)

minimal.cc

#include <iostream>

#include <GLFW/glfw3.h>


int main() {
  if (!glfwInit()) {
    std::cerr << "Unable to initialize GLFW" << std::endl;
    return -1;
  }

  GLFWwindow* mWindow = glfwCreateWindow(800, 600, "glfw wayland bug", nullptr, nullptr);
  if (!mWindow) {
    std::cerr << "Unable to create a GLFW window" << std::endl;
    glfwTerminate();
    return -2;
  }

  glfwMakeContextCurrent(mWindow);

  // this code has been added to demonstrate the bug
  // in the actual code, there was a need to recreate the window
  // using a different OpenGL version/context.
  {
    glfwDestroyWindow(mWindow);

    // lets try again
    mWindow = glfwCreateWindow(800, 600, "glfw wayland bug #2", nullptr, nullptr);
    if (!mWindow) {
      glfwTerminate();
      return -3;
    }

    glfwMakeContextCurrent(mWindow);
  }


  while (!glfwWindowShouldClose(mWindow)) {
    glfwPollEvents();
  }

  glfwTerminate();
  return 0;
}