This makes interesting reading:
Looks like there could be a relatively painless fix.
" Windows Vista ICD's - this is a new path for 3rd party ICD's introduced for Windows Vista that will work in a way that is compatible with desktop composition. Essentially allowing direct access to the GPU for hardware accellaration, but then having the final surface that appears to be the front buffer to the application actually be a shared surface that gets composed by the DWM"
"MSOGL - this is an implementation of OpenGL 1.4 that uses Direct3D under the covers to hardware accellerate the application."
EDIT: The nvidea geforce and quadro drivers includes an OpenGL driver for compatibility testing. Haven't checked ATI