--- old/src/java.desktop/macosx/native/libawt_lwawt/awt/AWTView.m	2019-05-16 19:15:45.000000000 +0300
+++ new/src/java.desktop/macosx/native/libawt_lwawt/awt/AWTView.m	2019-05-16 19:15:45.000000000 +0300
@@ -37,6 +37,8 @@
 #import <Carbon/Carbon.h>
 #import <JavaNativeFoundation/JavaNativeFoundation.h>
 
+jboolean metalEnabled = JNI_FALSE;
+
 @interface AWTView()
 @property (retain) CDropTarget *_dropTarget;
 @property (retain) CDragSource *_dragSource;
@@ -52,6 +54,8 @@
 //#define IM_DEBUG TRUE
 //#define EXTRA_DEBUG
 
+#define METAL_DEBUG
+
 static BOOL shouldUsePressAndHold() {
     static int shouldUsePressAndHold = -1;
     if (shouldUsePressAndHold != -1) return shouldUsePressAndHold;
@@ -1477,3 +1481,19 @@
 
     return underMouse;
 }
+
+jboolean GetStaticBoolean(JNIEnv *env, jclass fClass, const char *fieldName)
+{
+    jfieldID fieldID = (*env)->GetStaticFieldID(env, fClass, fieldName, "Z");
+    return (*env)->GetStaticBooleanField(env, fClass, fieldID);
+}
+
+JNIEXPORT void JNICALL
+Java_sun_java2d_macos_MacOSFlags_initNativeFlags(JNIEnv *env,
+                                                     jclass flagsClass)
+{
+  metalEnabled = GetStaticBoolean(env, flagsClass, "metalEnabled");
+#ifdef METAL_DEBUG
+  fprintf(stderr, "metalEnabled=%d\n", metalEnabled);
+#endif
+}