133 lines
4.2 KiB
C
133 lines
4.2 KiB
C
/* $NetBSD: wscons_rinit.c,v 1.7 2013/10/25 20:55:24 martin Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1991, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This software was developed by the Computer Systems Engineering group
|
|
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
|
|
* contributed to Berkeley.
|
|
*
|
|
* All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Lawrence Berkeley Laboratory.
|
|
*
|
|
* 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. Neither the name of the University 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 REGENTS 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 REGENTS 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.
|
|
*
|
|
* @(#)rcons_font.c 8.1 (Berkeley) 6/11/93
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: wscons_rinit.c,v 1.7 2013/10/25 20:55:24 martin Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
|
|
#include <dev/rcons/raster.h>
|
|
#include <dev/wscons/wscons_raster.h>
|
|
|
|
#include <dev/wscons/wscons_rfont.h>
|
|
|
|
void rcons_initfont(struct rcons *, struct raster_font *);
|
|
|
|
void
|
|
rcons_initfont(struct rcons *rc, struct raster_font *fp)
|
|
{
|
|
#if !defined(MSBYTE_FIRST) && !defined(MSBIT_FIRST) /* XXX other cases */
|
|
static int initfontdone;
|
|
#endif
|
|
|
|
rc->rc_font = fp;
|
|
|
|
/* Get distance to top and bottom of font from font origin */
|
|
rc->rc_font_ascent = -(rc->rc_font->chars)['a'].homey;
|
|
|
|
#if !defined(MSBYTE_FIRST) && !defined(MSBIT_FIRST) /* XXX other cases */
|
|
/* swap byte order on font data. ick. */
|
|
if (!initfontdone) {
|
|
int ch, i, n, bit;
|
|
u_int32_t *pix, npix;
|
|
|
|
for (ch = 0; ch < 256; ch++) {
|
|
if (rc->rc_font->chars[ch].r == 0)
|
|
continue;
|
|
|
|
n = rc->rc_font->chars[ch].r->linelongs *
|
|
rc->rc_font->chars[ch].r->height;
|
|
pix = rc->rc_font->chars[ch].r->pixels;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
npix = 0;
|
|
for (bit = 0; bit < 32; bit++)
|
|
if (pix[i] & (1 << bit))
|
|
npix |= (1 << (31 - bit));
|
|
pix[i] = npix;
|
|
}
|
|
}
|
|
}
|
|
|
|
initfontdone = 1;
|
|
#endif
|
|
}
|
|
|
|
void
|
|
rcons_init(struct rcons *rc, int mrow, int mcol)
|
|
{
|
|
struct raster *rp = rc->rc_sp;
|
|
int i;
|
|
|
|
rcons_initfont(rc, &gallant19);
|
|
|
|
i = rp->height / rc->rc_font->height;
|
|
rc->rc_maxrow = min(i, mrow);
|
|
|
|
i = rp->width / rc->rc_font->width;
|
|
rc->rc_maxcol = min(i, mcol);
|
|
|
|
/* Center emulator screen (but align x origin to 32 bits) */
|
|
rc->rc_xorigin =
|
|
((rp->width - rc->rc_maxcol * rc->rc_font->width) / 2) & ~0x1f;
|
|
rc->rc_yorigin =
|
|
(rp->height - rc->rc_maxrow * rc->rc_font->height) / 2;
|
|
|
|
/* Raster width used for row copies */
|
|
rc->rc_raswidth = rc->rc_maxcol * rc->rc_font->width;
|
|
if (rc->rc_raswidth & 0x1f) {
|
|
/* Pad to 32 bits */
|
|
i = (rc->rc_raswidth + 0x1f) & ~0x1f;
|
|
/* Make sure width isn't too wide */
|
|
if (rc->rc_xorigin + i <= rp->width)
|
|
rc->rc_raswidth = i;
|
|
}
|
|
|
|
rc->rc_bits = 0;
|
|
|
|
/* If cursor position given, assume it's there and drawn. */
|
|
if (*rc->rc_crowp != -1 && *rc->rc_ccolp != -1)
|
|
rc->rc_bits |= RC_CURSOR;
|
|
}
|