public GraphicsDevice(Size size, WindowMode window)
: base(size, window, requiredExtensions)
{
Context = Tao.Cg.Cg.cgCreateContext();
Tao.Cg.Cg.cgSetErrorCallback(errorCallback);
CgGl.cgGLRegisterStates(Context);
CgGl.cgGLSetManageTextureParameters(Context, true);
VertexProfile = CgGl.cgGLGetLatestProfile(CgGl.CG_GL_VERTEX);
FragmentProfile = CgGl.cgGLGetLatestProfile(CgGl.CG_GL_FRAGMENT);
}