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MTLRenderQueue.h
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MTLRenderQueue.h
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/*
* Copyright (c) 2019, 2021, 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 MTLRenderQueue_h_Included
#define MTLRenderQueue_h_Included
#include "MTLContext.h"
#include "MTLSurfaceData.h"
#include "MTLVertexCache.h"
/*
* 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)
// Operations for CheckPreviousOp
enum {
MTL_OP_INIT,
MTL_OP_AA,
MTL_OP_SET_COLOR,
MTL_OP_RESET_PAINT,
MTL_OP_SYNC,
MTL_OP_SHAPE_CLIP_SPANS,
MTL_OP_MASK_OP,
MTL_OP_OTHER
};
/*
* These macros now simply delegate to the CheckPreviousOp() method.
*/
#define CHECK_PREVIOUS_OP(op) MTLRenderQueue_CheckPreviousOp(op)
#define RESET_PREVIOUS_OP() {mtlPreviousOp = MTL_OP_INIT;}
/*
* 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)
/*
* The following macros allow the caller to return (or continue) if the
* provided value is NULL. (The strange else clause is included below to
* allow for a trailing ';' after RETURN/CONTINUE_IF_NULL() invocations.)
*/
#define ACT_IF_NULL(ACTION, value) \
if ((value) == NULL) { \
J2dTraceLn1(J2D_TRACE_ERROR, \
"%s is null", #value); \
ACTION; \
} else do { } while (0)
#define RETURN_IF_NULL(value) ACT_IF_NULL(return, value)
#define CONTINUE_IF_NULL(value) ACT_IF_NULL(continue, value)
#define ACT_IF_TRUE(ACTION, value) \
if ((value)) { \
J2dTraceLn1(J2D_TRACE_ERROR, \
"%s is false", #value);\
ACTION; \
} else do { } while (0)
#define RETURN_IF_TRUE(value) ACT_IF_TRUE(return, value)
MTLContext *MTLRenderQueue_GetCurrentContext();
BMTLSDOps *MTLRenderQueue_GetCurrentDestination();
void commitEncodedCommands();
extern jint mtlPreviousOp;
#endif /* MTLRenderQueue_h_Included */