--- a/src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/VertexDataManager.h	Fri Mar 01 18:04:46 2019 +0530
+++ b/src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/VertexDataManager.h	Tue Mar 05 16:36:45 2019 +0530
@@ -55,6 +55,7 @@
 unsigned int VertexDataManager_getNoOfPrimitives();
 
 void VertexDataManager_freeAllPrimitives();
+void VertexDataManager_reset(id<MTLDevice> device);
 
 // should be private
 void addVertex(MetalVertex vert);