Graphics.Rendering.OpenGL.Raw.APPLE.Fence
gl_DRAW_PIXELS_APPLE
gl_FENCE_APPLE
glDeleteFencesAPPLE
glFinishFenceAPPLE
glFinishObjectAPPLE
glGenFencesAPPLE
glIsFenceAPPLE
glSetFenceAPPLE
glTestFenceAPPLE
glTestObjectAPPLE