No. Any GPU code is specific. AE does use OpenGL to accelerate effects like Hue/ Saturation and otehrs while you work and of course even some of the conventional 3D features sue OpenGL, but there is no way to enforce anything and there is a million reasons why that would not at all be smart nor technically feasible. Simply look up all the endless threads about render settings, multiprocessing and so on here and elsewhere.
Thank you for the fast response. I looked at some of the threads and I couldn't find any that actually explained it.
Temporal effects disable MP rendering and OpenGL. Having too many OpenGL (or generally GPU based) effects exhausts your graphics card's resources and they will eventually stop to work or revert to CPU rendering. It's as simple as that. GPU rednering is no magic and in the past many users lived happily without it and turned it off because it was too much trouble. And it isn't even particularly good in CS6 beyond the fast preview stuff. It will still budge at the slightest sneeze...