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//---------------------------------------------------------------------------------
//
// Little Color Management System, multithreaded extensions
// Copyright (c) 1998-2023 Marti Maria Saguer, all rights reserved
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
//---------------------------------------------------------------------------------
#ifndef _THREADED_INTERNAL_H
#define _THREADED_INTERNAL_H
#include "lcms2_threaded.h"
// This plugin requires lcms 2.14 or greater
#define REQUIRED_LCMS_VERSION 2140
// Unused parameter warning suppression
#define UNUSED_PARAMETER(x) ((void)x)
// For testbed
#define CMSCHECKPOINT CMSAPI
// The specification for "inline" is section 6.7.4 of the C99 standard (ISO/IEC 9899:1999).
// unfortunately VisualC++ does not conform that
#if defined(_MSC_VER) || defined(__BORLANDC__)
# define cmsINLINE __inline
#else
# define cmsINLINE static inline
#endif
// Holds all parameters for a threadable transform fragment
typedef struct {
struct _cmstransform_struct* CMMcargo;
const void* InputBuffer;
void* OutputBuffer;
cmsUInt32Number PixelsPerLine;
cmsUInt32Number LineCount;
const cmsStride* Stride;
} _cmsWorkSlice;
// Count the number of threads needed for this job
cmsUInt32Number _cmsThrCountSlices(struct _cmstransform_struct* CMMcargo, cmsInt32Number MaxWorkers,
cmsUInt32Number PixelsPerLine, cmsUInt32Number LineCount,
cmsStride* Stride);
// Split work following several expert rules
cmsBool _cmsThrSplitWork(const _cmsWorkSlice* master, cmsInt32Number nslices, _cmsWorkSlice slices[]);
// Thread primitives
cmsHANDLE _cmsThrCreateWorker(cmsContext ContextID, _cmsTransform2Fn worker, _cmsWorkSlice* param);
void _cmsThrJoinWorker(cmsContext ContextID, cmsHANDLE hWorker);
cmsInt32Number _cmsThrIdealThreadCount(void);
// The scheduler
void _cmsThrScheduler(struct _cmstransform_struct* CMMcargo,
const void* InputBuffer,
void* OutputBuffer,
cmsUInt32Number PixelsPerLine,
cmsUInt32Number LineCount,
const cmsStride* Stride);
#endif
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