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# -*- coding: utf-8 -*-
# Copyright (c) Vispy Development Team. All Rights Reserved.
# Distributed under the (new) BSD License. See LICENSE.txt for more info.
""" A dummy backend.
"""
from . import BaseGLProxy, _copy_gl_functions
from ._constants import * # noqa
class DummyProxy(BaseGLProxy):
""" A dummy backend that can be activated when the GL is not
processed in this process. Each GL function call will raise an
error.
"""
def __call__(self, funcname, returns, *args):
raise RuntimeError('Cannot call %r (or any other GL function), '
'since GL is disabled.' % funcname)
# Instantiate proxy and inject functions
_proxy = DummyProxy()
_copy_gl_functions(_proxy, globals())
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