code: def create_opengl_context(surface_size=(640, 480)):
    
    egl_display = egl.eglGetDisplay(egl.EGL_DEFAULT_DISPLAY)
  
    major, minor = egl.EGLint(), egl.EGLint()
    egl.eglInitialize(egl_display, pointer(major), pointer(minor))
  
    config_attribs = [
        egl.EGL_SURFACE_TYPE, egl.EGL_PBUFFER_BIT, egl.EGL_BLUE_SIZE, 8,
        egl.EGL_GREEN_SIZE, 8, egl.EGL_RED_SIZE, 8, egl.EGL_DEPTH_SIZE, 24,
        egl.EGL_RENDERABLE_TYPE, egl.EGL_OPENGL_BIT, egl.EGL_NONE
    ]
    config_attribs = (egl.EGLint * len(config_attribs))(*config_attribs)
  
    num_configs = egl.EGLint()
    egl_cfg = egl.EGLConfig()
    egl.eglChooseConfig(egl_display, config_attribs, pointer(egl_cfg), 1,
                        pointer(num_configs))
  
    width, height = surface_size
    pbuffer_attribs = [
        egl.EGL_WIDTH,
        width,
        egl.EGL_HEIGHT,
        height,
        egl.EGL_NONE,
    ]
    pbuffer_attribs = (egl.EGLint * len(pbuffer_attribs))(*pbuffer_attribs)
    egl_surf = egl.eglCreatePbufferSurface(egl_display, egl_cfg, pbuffer_attribs)
  
    egl.eglBindAPI(egl.EGL_OPENGL_API)
  
    egl_context = egl.eglCreateContext(egl_display, egl_cfg, egl.EGL_NO_CONTEXT,
                                       None)
    egl.eglMakeCurrent(egl_display, egl_surf, egl_surf, egl_context)
docs: Create offscreen OpenGL context and make it current.
  
    Users are expected to directly use EGL API in case more advanced
    context management is required.
  
    Args:
      surface_size: (width, height), size of the offscreen rendering surface.