/*

 * Copyright (c) 2019, 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 MetalRenderQueue_h_Included

#define MetalRenderQueue_h_Included

//#include "MetalContext.h"

#include "MetalSurfaceData.h"

MetalSDOps *MetalRenderQueue_GetCurrentDestination();

/*

 * The following macros are used to pick values (of the specified type) off

 * the queue.

 */

#define NEXT_VAL(buf, type) (((type *)((buf) += sizeof(type)))[-1])

#define NEXT_BYTE(buf)      NEXT_VAL(buf, unsigned char)

#define NEXT_INT(buf)       NEXT_VAL(buf, jint)

#define NEXT_FLOAT(buf)     NEXT_VAL(buf, jfloat)

#define NEXT_BOOLEAN(buf)   (jboolean)NEXT_INT(buf)

#define NEXT_LONG(buf)      NEXT_VAL(buf, jlong)

#define NEXT_DOUBLE(buf)    NEXT_VAL(buf, jdouble)

/*

 * Increments a pointer (buf) by the given number of bytes.

 */

#define SKIP_BYTES(buf, numbytes) buf += (numbytes)

/*

 * Extracts a value at the given offset from the provided packed value.

 */

#define EXTRACT_VAL(packedval, offset, mask) \

    (((packedval) >> (offset)) & (mask))

#define EXTRACT_BYTE(packedval, offset) \

    (unsigned char)EXTRACT_VAL(packedval, offset, 0xff)

#define EXTRACT_BOOLEAN(packedval, offset) \

    (jboolean)EXTRACT_VAL(packedval, offset, 0x1)

#endif /*MetalRenderQueue_h_Included*/