/*
 * Copyright (c) 2026 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Radoslaw Kujawa.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef RLVEC_H
#define RLVEC_H

#include <stdint.h>

typedef void rlvec_xform_points3_fn(float *to, const float m[16],
    const float *from, int from_stride, int count);

typedef uint32_t rlvec_outcode5_fn(uint8_t *oc, uint32_t *and_out,
    const float *clip, int count);

typedef void rlvec_project_fn(float *out9, const float *clip,
    const float *attr, const float k[8], int count);

typedef uint32_t *rlvec_emit_tris_fn(uint32_t *dst, const float *verts9,
    const uint8_t *idx, int ntris, uint32_t hdr);

struct rlvec_ops {
	rlvec_xform_points3_fn	*xform_points3;
	rlvec_outcode5_fn	*outcode5;
	rlvec_project_fn	*project;
	rlvec_emit_tris_fn	*emit_tris;
};

extern struct rlvec_ops rlvec;		/* active table */
extern const struct rlvec_ops rlvec_c;	/* portable reference */
#ifdef RLVEC_PPC
extern const struct rlvec_ops rlvec_ppc;	/* rlvec_ppc.S */
#endif

void	rlvec_init(void);

#endif /* RLVEC_H */