# ----------------------------------------------------------------------------
# pyglet
# Copyright (c) 2006-2008 Alex Holkner
# Copyright (c) 2008-2021 pyglet contributors
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# ----------------------------------------------------------------------------

import pyglet.lib
from pyglet.gl.lib import missing_function, decorate_function

__all__ = ['link_GL', 'link_GLU', 'link_AGL']

gl_lib = pyglet.lib.load_library(framework='OpenGL')
agl_lib = pyglet.lib.load_library(framework='AGL')


def link_GL(name, restype, argtypes, requires=None, suggestions=None):
    try:
        func = getattr(gl_lib, name)
        func.restype = restype
        func.argtypes = argtypes
        decorate_function(func, name)
        return func
    except AttributeError:
        return missing_function(name, requires, suggestions)


link_GLU = link_GL


def link_AGL(name, restype, argtypes, requires=None, suggestions=None):
    try:
        func = getattr(agl_lib, name)
        func.restype = restype
        func.argtypes = argtypes
        decorate_function(func, name)
        return func
    except AttributeError:
        return missing_function(name, requires, suggestions)