Method createGLWindow

engine/src/program.cpp:176–219

}

bool
GLWindow::createGLWindow (const char *title)
{
  int width = isFullscreen ? videoModes[fullscreenMode].width
                           : videoModes[windowedMode].width;
  int height = isFullscreen ? videoModes[fullscreenMode].height
                            : videoModes[windowedMode].height;
  int bits = isFullscreen ? videoModes[fullscreenMode].bpp
                          : videoModes[windowedMode].bpp;

  SDL_DisplayMode currentMode;
  SDL_GetCurrentDisplayMode (0, &currentMode);
  windowPosition =
    Point (currentMode.w / 2 - width / 2, currentMode.h / 2 - height / 2);

  int x = isFullscreen ? 0 : windowPosition.x;
  int y = isFullscreen ? 0 : windowPosition.y;

  Uint32 flags = SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN;
  if (isFullscreen)
    {
      flags |= SDL_WINDOW_FULLSCREEN;
      SDL_ShowCursor (SDL_DISABLE);
    }

  window = SDL_CreateWindow (title, x, y, width, height, flags);
  if (!window)
    {
      std::cerr << "Failed to create window: " << SDL_GetError () << std::endl;
      return false;
    }

  if (!initGL (bits))
    {
      SDL_ShowSimpleMessageBox (SDL_MESSAGEBOX_ERROR, "Error",
                                "OpenGL initialization failed.", window);
      SDL_DestroyWindow (window);
      window = nullptr;
      return false;
    }

  SDL_RaiseWindow (window);
  return true;
}

void
GLWindow::createGLWindow (bool togglefullscreen)