143 lines
3.9 KiB
C
143 lines
3.9 KiB
C
/* $NetBSD: rasops32.c,v 1.8 2000/06/13 13:36:59 ad 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* 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 "opt_rasops.h"
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: rasops32.c,v 1.8 2000/06/13 13:36:59 ad Exp $");
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/time.h>
|
|
|
|
#include <dev/wscons/wsdisplayvar.h>
|
|
#include <dev/wscons/wsconsio.h>
|
|
#include <dev/rasops/rasops.h>
|
|
|
|
static void rasops32_putchar __P((void *, int, int, u_int, long attr));
|
|
|
|
/*
|
|
* Initalize a 'rasops_info' descriptor for this depth.
|
|
*/
|
|
void
|
|
rasops32_init(ri)
|
|
struct rasops_info *ri;
|
|
{
|
|
|
|
if (ri->ri_rnum == 0) {
|
|
ri->ri_rnum = 8;
|
|
ri->ri_rpos = 0;
|
|
ri->ri_gnum = 8;
|
|
ri->ri_gpos = 8;
|
|
ri->ri_bnum = 8;
|
|
ri->ri_bpos = 16;
|
|
}
|
|
|
|
ri->ri_ops.putchar = rasops32_putchar;
|
|
}
|
|
|
|
/*
|
|
* Paint a single character.
|
|
*/
|
|
static void
|
|
rasops32_putchar(cookie, row, col, uc, attr)
|
|
void *cookie;
|
|
int row, col;
|
|
u_int uc;
|
|
long attr;
|
|
{
|
|
int width, height, cnt, fs, fb, clr[2];
|
|
struct rasops_info *ri;
|
|
int32_t *dp, *rp;
|
|
u_char *fr;
|
|
|
|
ri = (struct rasops_info *)cookie;
|
|
|
|
#ifdef RASOPS_CLIPPING
|
|
/* Catches 'row < 0' case too */
|
|
if ((unsigned)row >= (unsigned)ri->ri_rows)
|
|
return;
|
|
|
|
if ((unsigned)col >= (unsigned)ri->ri_cols)
|
|
return;
|
|
#endif
|
|
|
|
rp = (int32_t *)(ri->ri_bits + row*ri->ri_yscale + col*ri->ri_xscale);
|
|
|
|
height = ri->ri_font->fontheight;
|
|
width = ri->ri_font->fontwidth;
|
|
|
|
clr[0] = ri->ri_devcmap[(attr >> 16) & 0xf];
|
|
clr[1] = ri->ri_devcmap[(attr >> 24) & 0xf];
|
|
|
|
if (uc == ' ') {
|
|
while (height--) {
|
|
dp = rp;
|
|
DELTA(rp, ri->ri_stride, int32_t *);
|
|
|
|
for (cnt = width; cnt; cnt--)
|
|
*dp++ = clr[0];
|
|
}
|
|
} else {
|
|
uc -= ri->ri_font->firstchar;
|
|
fr = (u_char *)ri->ri_font->data + uc * ri->ri_fontscale;
|
|
fs = ri->ri_font->stride;
|
|
|
|
while (height--) {
|
|
dp = rp;
|
|
fb = fr[3] | (fr[2] << 8) | (fr[1] << 16) |
|
|
(fr[0] << 24);
|
|
fr += fs;
|
|
DELTA(rp, ri->ri_stride, int32_t *);
|
|
|
|
for (cnt = width; cnt; cnt--) {
|
|
*dp++ = clr[(fb >> 31) & 1];
|
|
fb <<= 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Do underline */
|
|
if ((attr & 1) != 0) {
|
|
DELTA(rp, -(ri->ri_stride << 1), int32_t *);
|
|
|
|
while (width--)
|
|
*rp++ = clr[1];
|
|
}
|
|
}
|