As reported by some, the glLoadTransposeMatrixf call fails on various
Windows drivers (https://lists.wisc.edu/read/messages?id=850793
Now we had the same problem on one machine here (some onboard
graphics). Turns out this is due to an actual bug in loading the
ARB_transpose_matrix extension functions - they were looking up the
'glLoadTransposeMatrixf' symbol instead of 'glLoadTransposeMatrixfARB'.
- Bert -