makeCurrent method
Implementation
makeCurrent(List<int> egls) {
_display = egls[3];
_surface = egls[4];
_context = egls[5];
if (Platform.isAndroid) {
/// bind context to this thread. All following OpenGL calls from this thread will use this context
eglMakeCurrent(_display, _surface, _surface, _context);
} else if (Platform.isIOS) {
egl.eglTest();
egl.makeCurrent(_context);
}
}