def __init__(self, name, filename=None):
        self.name = name
        super(NamedRequirements, self).__init__(filename=filename)
def create_texture():
  global rgbtex
  rgbtex = glGenTextures(1)
  glBindTexture(TEXTURE_TARGET, rgbtex)
  glTexImage2D(TEXTURE_TARGET,0,GL_RGB,640,480,0,GL_RGB,GL_UNSIGNED_BYTE,None)