/*

 * 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"

#include "fontscalerdefs.h"

/**

 * Constants that control the size of the vertex cache.

 */

#define MTLVC_MAX_INDEX         192

/**

 * Constants that control the size of the texture pool.

 */

#define MTLVC_MAX_TEX_INDEX     32

/**

 * 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();

void MTLVertexCache_FlushVertexCache(MTLContext *mtlc);

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,

void MTLVertexCache_CreateSamplingEncoder(MTLContext *mtlc, BMTLSDOps *dstOps);

#endif /* MTLVertexCache_h_Included */