- fixed: The code for updating vertex dirty state had been completely missing. I have no idea when it disappeared...
Merge branch 'master' into Glew_Version_For_Real
- fixed conditions for disabling the flat vertex buffer.
- fixed bad constant and potential use of uninitialized variable.
- fixed several incorrect uses of abs instead of fabs.
Merge branch 'master' into Glew_Version_For_Real