/*
 * Copyright (c) 2025 Paul Irofti <paul@irofti.net>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef CLccubes_H__
#define CLccubes_H__

#include <stdbool.h>

#include "cl_setup.h"

#ifndef _MSC_VER
#include <stdint.h>
#else
#include <stdint_msvc.h>
#endif

#define ROW_DIM 0
#define COL_DIM 1

struct ccubes_context {
	struct cl_uctx *clctx;

	cl_program ccubes_program;
	cl_kernel ccubes_task;

	/* internal memory sizes */
	int k;
	int ninputs;
	int posrows;
	int negrows;
	int implicant_words;
	int value_bit_width;
	int value_bit_mask;
	int pichart_words;
	int estimPI;

	/* INPUTS */
	cl_mem nofvalues;
	cl_mem ON_set;
	cl_mem OFF_set;
	cl_mem p_implicants_pos;
	cl_mem p_implicants_val;
	cl_mem last_index;
	cl_mem p_covered;
	cl_mem p_pichart_pos;

	/* OUTPUTS */
	// cl_mem redundant;
	cl_mem coverage;
	cl_mem fixed_bits;
	cl_mem value_bits;
	cl_mem pichart_values;

	/* Host outputs */
	// bool *h_redundant;
	bool *h_coverage;
	unsigned int *h_fixed_bits;
	unsigned int *h_value_bits;
	unsigned int *h_pichart_values;

	/* ND-Range */
	size_t gws; 	/* global work size */
	size_t goff; 	/* global offset */
};

struct ccubes_context *
ccubes_create();

int
ccubes_do_tasks(struct ccubes_context *ccubesctx,
    int n_tasks,
    int n_tasks_off,
    int k,
    int ninputs,
    int posrows,
    int negrows,
    int implicant_words,
    int value_bit_width,
    int value_bit_mask,
    int pichart_words,
    int estimPI,
    int *nofvalues,			/* IN: RC */
    int *ON_set,			/* IN: RC */
    int *OFF_set,			/* IN: RC */
    unsigned int *p_implicants_pos,	/* IN: RC */
    unsigned int *p_implicants_val,	/* IN: RC */
    int *last_index,			/* IN: RC */
    int *p_covered,			/* IN: RC */
    int *p_pichart_pos,			/* IN: RC */
    // bool *redundant,			/* OUT: RW */
    bool *coverage,			/* OUT: RW */
    unsigned int *fixed_bits,		/* OUT: RW */
    unsigned int *value_bits,		/* OUT: RW */
    unsigned int *pichart_values	/* OUT: RW */
);

void
ccubes_clean_up(struct ccubes_context *ctx);

void
ccubes_destroy(struct ccubes_context *ctx);

#endif