internal/graphicsdriver/opengl/gl/package_notwindows.go
func FenceSync(condition uint32, flags uint32) uintptr {
	ret := C.glowFenceSync(gpFenceSync, (C.GLenum)(condition), (C.GLbitfield)(flags))
	return (uintptr)(ret)
}
func FenceSync(condition uint32, flags uint32) uintptr {
	ret := C.glowFenceSync(gpFenceSync, (C.GLenum)(condition), (C.GLbitfield)(flags))
	return (uintptr)(ret)
}
// create a new sync object and insert it into the GL command stream