Hi, i’m using WKWebView (on IOS), which shows WebGL content, and try to save screenshot from it. But after capturing, the snapshot has not a 3D content.For capturing i used classic method:UIGraphicsBeginImageContextWithOptions(_webView.bounds.size, YES, 0); [_webView drawViewHierarchyInRect:_webView.bounds afterScreenUpdates:YES]; UIImage *image = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext();In IOS 11 beta, WKWebView has a new API -- (void)takeSnapshotWithConfiguration:(nullable WKSnapshotConfiguration *)snapshotConfiguration completionHandler:(void (^)(UIImage * _Nullable snapshotImage, NSError * _Nullable error))completionHandler API_AVAILABLE(ios(11.0));but it returns the same result.If I understand correctly, WKWebView uses separated some WK processes for rendering and CARender Server for collecting all render datas and pushes its to OpenGL/Metal pipeline. According to this scheme, I got the expected result. But all the same, how do i get snapshot ?There is a possibili