set_error_check(errcheck_func=Ellipsis,
errcheck_ok=Ellipsis,
name_re='^gl[A-Z].*$',
d=None)
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Add error handlers to OpenGL functions.
The errcheck attribute of all items in a dictionary
d having such an attribute and matching name_re
will be set to a function that calls errcheck_func and
raises GLError if the return value is unequal to
errcheck_ok. By default, d is
glitter.raw.__dict__.
Defaults for errcheck_func and errcheck_ok
are glGetError and GL_NO_ERROR, respectively.
If errcheck_func is None, error checking will
be disabled.
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