**System Information**
MacBook Pro memory 8 GB
OS X El Capitan (10.11.2)
Graphics : Intel Iris Graphics 6100
**Blender Version**
-2.76b (current)
-tested with an older version : 2.73a -> same issue
**Short description of error**
Example of scene : startup scene with a cube at the center
Everything is fine on OS X window mode. When switching to OS X fullscreen mode, navigation in 3d view becomes extremely slow. When changing view with trackpad or emulated numpad, display gets refreshed after several seconds.