What does it mean?
My Nvidia control panel has this option but don't know whether or not to set it on...
Direct3D vs. OpenGL: A Comparison
Comparison of OpenGL and Direct3D
From Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Comparison_of_Direct3D_and_OpenGL
Ok. I will review, but is FSX an open GL?
it is DirectX not OpenGL
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