The extension requires (cough implements) GetPointervKHR (alias of
GetPointerv) which in itself is available for ES 1.1 enabled mesa.
Anyone willing to fish around and implement it for ES 1.0 is more than
welcome to revert this commit. Until then lets restrict things.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93048
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>