176 lines
4.7 KiB
C
176 lines
4.7 KiB
C
/* $NetBSD: rasops4.c,v 1.28 2019/08/14 00:51:10 rin Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1999 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Andrew Doran.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: rasops4.c,v 1.28 2019/08/14 00:51:10 rin Exp $");
|
|
|
|
#ifdef _KERNEL_OPT
|
|
#include "opt_rasops.h"
|
|
#endif
|
|
|
|
#include <sys/param.h>
|
|
|
|
#include <machine/endian.h>
|
|
|
|
#include <dev/wscons/wsdisplayvar.h>
|
|
#include <dev/wscons/wsconsio.h>
|
|
|
|
#define _RASOPS_PRIVATE
|
|
#define RASOPS_DEPTH 4
|
|
#include <dev/rasops/rasops.h>
|
|
#include <dev/rasops/rasops_masks.h>
|
|
|
|
static void rasops4_copycols(void *, int, int, int, int);
|
|
static void rasops4_erasecols(void *, int, int, int, long);
|
|
static void rasops4_do_cursor(struct rasops_info *);
|
|
static void rasops4_putchar(void *, int, int col, u_int, long);
|
|
#ifndef RASOPS_SMALL
|
|
static void rasops4_putchar8(void *, int, int col, u_int, long);
|
|
static void rasops4_putchar12(void *, int, int col, u_int, long);
|
|
static void rasops4_putchar16(void *, int, int col, u_int, long);
|
|
static void rasops4_makestamp(struct rasops_info *, long);
|
|
#endif
|
|
|
|
#ifndef RASOPS_SMALL
|
|
/* stamp for optimized character blitting */
|
|
static uint16_t stamp[16];
|
|
static long stamp_attr;
|
|
static struct rasops_info *stamp_ri;
|
|
|
|
/*
|
|
* offset = STAMP_SHIFT(fontbits, nibble #) & STAMP_MASK
|
|
* destination = STAMP_READ(offset)
|
|
*/
|
|
#define STAMP_SHIFT(fb, n) ((n) ? (fb) >> 4 : (fb))
|
|
#define STAMP_MASK 0xf
|
|
#define STAMP_READ(o) stamp[o]
|
|
#endif
|
|
|
|
/*
|
|
* Initialize rasops_info struct for this colordepth.
|
|
*/
|
|
void
|
|
rasops4_init(struct rasops_info *ri)
|
|
{
|
|
|
|
if ((ri->ri_font->fontwidth & 1) != 0) {
|
|
ri->ri_ops.erasecols = rasops4_erasecols;
|
|
ri->ri_ops.copycols = rasops4_copycols;
|
|
ri->ri_do_cursor = rasops4_do_cursor;
|
|
}
|
|
|
|
switch (ri->ri_font->fontwidth) {
|
|
#ifndef RASOPS_SMALL
|
|
case 8:
|
|
ri->ri_ops.putchar = rasops4_putchar8;
|
|
break;
|
|
case 12:
|
|
ri->ri_ops.putchar = rasops4_putchar12;
|
|
break;
|
|
case 16:
|
|
ri->ri_ops.putchar = rasops4_putchar16;
|
|
break;
|
|
#endif /* !RASOPS_SMALL */
|
|
default:
|
|
ri->ri_ops.putchar = rasops4_putchar;
|
|
return;
|
|
}
|
|
|
|
#ifndef RASOPS_SMALL
|
|
stamp_attr = -1;
|
|
stamp_ri = NULL;
|
|
#endif
|
|
}
|
|
|
|
#ifndef RASOPS_SMALL
|
|
/*
|
|
* Recompute the blitting stamp.
|
|
*/
|
|
static void
|
|
rasops4_makestamp(struct rasops_info *ri, long attr)
|
|
{
|
|
int i;
|
|
uint32_t bg, fg;
|
|
|
|
stamp_attr = attr;
|
|
stamp_ri = ri;
|
|
|
|
bg = ATTR_BG(ri, attr) & 0xf;
|
|
fg = ATTR_FG(ri, attr) & 0xf;
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
#if BYTE_ORDER == LITTLE_ENDIAN
|
|
if ((ri->ri_flg & RI_BSWAP) == 0)
|
|
#else
|
|
if ((ri->ri_flg & RI_BSWAP) != 0)
|
|
#endif
|
|
{
|
|
/* little endian */
|
|
stamp[i] = (i & 1 ? fg : bg) << 12;
|
|
stamp[i] |= (i & 2 ? fg : bg) << 8;
|
|
stamp[i] |= (i & 4 ? fg : bg) << 4;
|
|
stamp[i] |= (i & 8 ? fg : bg) << 0;
|
|
} else {
|
|
/* big endian */
|
|
stamp[i] = (i & 1 ? fg : bg) << 0;
|
|
stamp[i] |= (i & 2 ? fg : bg) << 4;
|
|
stamp[i] |= (i & 4 ? fg : bg) << 8;
|
|
stamp[i] |= (i & 8 ? fg : bg) << 12;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Width-optimized putchar functions
|
|
*/
|
|
#define RASOPS_WIDTH 8
|
|
#include <dev/rasops/rasops_putchar_width.h>
|
|
#undef RASOPS_WIDTH
|
|
|
|
#define RASOPS_WIDTH 12
|
|
#include <dev/rasops/rasops_putchar_width.h>
|
|
#undef RASOPS_WIDTH
|
|
|
|
#define RASOPS_WIDTH 16
|
|
#include <dev/rasops/rasops_putchar_width.h>
|
|
#undef RASOPS_WIDTH
|
|
|
|
#endif /* !RASOPS_SMALL */
|
|
|
|
/* rasops4_putchar */
|
|
#undef RASOPS_AA
|
|
#include <dev/rasops/rasops1-4_putchar.h>
|
|
|
|
/*
|
|
* Grab routines common to depths where (bpp < 8)
|
|
*/
|
|
#include <dev/rasops/rasops_bitops.h>
|