gl-4.1: add a minmax test
since GL 4.1 changed the texture size limits, let's add a gl4.1 minmax, also adds in some of the GL 4.0 limits for tessellation and texture gather.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
since GL 4.1 changed the texture size limits, let's add a gl4.1 minmax, also adds in some of the GL 4.0 limits for tessellation and texture gather.