in the common case this saves one instructions per jump
(which will help with the i-cache).
this change also gets rid of the "use slow tls" option,
which was useless. So at least now architectures that don't have
assembly bindings will perform much better.
Change-Id: I31be6c06ad2136b50ef3a1ac14682d7812ad40d2
when increasing MAX_NUMBER_OF_GL_EXTENSIONS to 256
we also needed to create all the corresponding wrappers.
Change-Id: I90edaaf0885ccdfab48e7a1396bcf88e039cfb25
