--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MTLVertexCache.h	Fri Jun 21 12:08:37 2019 +0530
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#ifndef MTLVertexCache_h_Included
+#define MTLVertexCache_h_Included
+
+#include "j2d_md.h"
+#include "MTLContext.h"
+
+/**
+ * Constants that control the size of the vertex cache.
+ */
+#define MTLVC_MAX_INDEX         1024
+
+/**
+ * Constants that control the size of the texture tile cache used for
+ * mask operations.
+ */
+#define MTLVC_MASK_CACHE_TILE_WIDTH       32
+#define MTLVC_MASK_CACHE_TILE_HEIGHT      32
+#define MTLVC_MASK_CACHE_TILE_SIZE \
+   (MTLVC_MASK_CACHE_TILE_WIDTH * MTLVC_MASK_CACHE_TILE_HEIGHT)
+
+#define MTLVC_MASK_CACHE_WIDTH_IN_TILES   8
+#define MTLVC_MASK_CACHE_HEIGHT_IN_TILES  4
+
+#define MTLVC_MASK_CACHE_WIDTH_IN_TEXELS \
+   (MTLVC_MASK_CACHE_TILE_WIDTH * MTLVC_MASK_CACHE_WIDTH_IN_TILES)
+#define MTLVC_MASK_CACHE_HEIGHT_IN_TEXELS \
+   (MTLVC_MASK_CACHE_TILE_HEIGHT * MTLVC_MASK_CACHE_HEIGHT_IN_TILES)
+
+/*
+ * We reserve one (fully opaque) tile in the upper-right corner for
+ * operations where the mask is null.
+ */
+#define MTLVC_MASK_CACHE_MAX_INDEX \
+   ((MTLVC_MASK_CACHE_WIDTH_IN_TILES * MTLVC_MASK_CACHE_HEIGHT_IN_TILES) - 1)
+#define MTLVC_MASK_CACHE_SPECIAL_TILE_X \
+   (MTLVC_MASK_CACHE_WIDTH_IN_TEXELS - MTLVC_MASK_CACHE_TILE_WIDTH)
+#define MTLVC_MASK_CACHE_SPECIAL_TILE_Y \
+   (MTLVC_MASK_CACHE_HEIGHT_IN_TEXELS - MTLVC_MASK_CACHE_TILE_HEIGHT)
+
+/**
+ * Exported methods.
+ */
+jboolean MTLVertexCache_InitVertexCache(MTLContext *mtlc);
+void MTLVertexCache_FlushVertexCache();
+void MTLVertexCache_RestoreColorState(MTLContext *mtlc);
+
+void MTLVertexCache_EnableMaskCache(MTLContext *mtlc);
+void MTLVertexCache_DisableMaskCache(MTLContext *mtlc);
+void MTLVertexCache_AddMaskQuad(MTLContext *mtlc,
+                                jint srcx, jint srcy,
+                                jint dstx, jint dsty,
+                                jint width, jint height,
+                                jint maskscan, void *mask);
+
+void MTLVertexCache_AddGlyphQuad(MTLContext *mtlc,
+                                 jfloat tx1, jfloat ty1,
+                                 jfloat tx2, jfloat ty2,
+                                 jfloat dx1, jfloat dy1,
+                                 jfloat dx2, jfloat dy2);
+
+#endif /* MTLVertexCache_h_Included */