system/freebsd-src
system/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src synced 2024-07-21 18:27:22 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity
freebsd-src/sys/dev/syscons/scvgarndr.c
Warner Losh 685dc743dc sys: Remove $FreeBSD$: one-line .c pattern 
Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/
2023-08-16 11:54:36 -06:00

1357 lines
37 KiB
C
Raw Blame History

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
* All rights reserved.
*
* This code is derived from software contributed to The DragonFly Project
* by Sascha Wildner <saw@online.de>
*
* 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 as
* the first lines of this file unmodified.
* 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 AUTHORS ``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 AUTHORS 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>
#include "opt_syscons.h"
#include "opt_vga.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/fbio.h>
#include <sys/consio.h>
#include <sys/sysctl.h>
#include <machine/bus.h>
#include <dev/fb/fbreg.h>
#include <dev/fb/vgareg.h>
#include <dev/syscons/syscons.h>
#include <isa/isareg.h>
#ifndef SC_RENDER_DEBUG
#define SC_RENDER_DEBUG 0
#endif
static vr_clear_t vga_txtclear;
static vr_draw_border_t vga_txtborder;
static vr_draw_t vga_txtdraw;
static vr_set_cursor_t vga_txtcursor_shape;
static vr_draw_cursor_t vga_txtcursor;
static vr_blink_cursor_t vga_txtblink;
#ifndef SC_NO_CUTPASTE
static vr_draw_mouse_t vga_txtmouse;
#else
#define vga_txtmouse (vr_draw_mouse_t *)vga_nop
#endif
#ifdef SC_PIXEL_MODE
static vr_init_t vga_rndrinit;
static vr_clear_t vga_pxlclear_direct;
static vr_clear_t vga_pxlclear_planar;
static vr_draw_border_t vga_pxlborder_direct;
static vr_draw_border_t vga_pxlborder_planar;
static vr_draw_t vga_vgadraw_direct;
static vr_draw_t vga_vgadraw_planar;
static vr_set_cursor_t vga_pxlcursor_shape;
static vr_draw_cursor_t vga_pxlcursor_direct;
static vr_draw_cursor_t vga_pxlcursor_planar;
static vr_blink_cursor_t vga_pxlblink_direct;
static vr_blink_cursor_t vga_pxlblink_planar;
#ifndef SC_NO_CUTPASTE
static vr_draw_mouse_t vga_pxlmouse_direct;
static vr_draw_mouse_t vga_pxlmouse_planar;
#else
#define vga_pxlmouse_direct (vr_draw_mouse_t *)vga_nop
#define vga_pxlmouse_planar (vr_draw_mouse_t *)vga_nop
#endif
#endif /* SC_PIXEL_MODE */
#ifndef SC_NO_MODE_CHANGE
static vr_draw_border_t vga_grborder;
#endif
static void vga_nop(scr_stat *scp);
static sc_rndr_sw_t txtrndrsw = {
(vr_init_t *)vga_nop,
vga_txtclear,
vga_txtborder,
vga_txtdraw,
vga_txtcursor_shape,
vga_txtcursor,
vga_txtblink,
(vr_set_mouse_t *)vga_nop,
vga_txtmouse,
};
RENDERER(mda, 0, txtrndrsw, vga_set);
RENDERER(cga, 0, txtrndrsw, vga_set);
RENDERER(ega, 0, txtrndrsw, vga_set);
RENDERER(vga, 0, txtrndrsw, vga_set);
#ifdef SC_PIXEL_MODE
static sc_rndr_sw_t vgarndrsw = {
vga_rndrinit,
(vr_clear_t *)vga_nop,
(vr_draw_border_t *)vga_nop,
(vr_draw_t *)vga_nop,
vga_pxlcursor_shape,
(vr_draw_cursor_t *)vga_nop,
(vr_blink_cursor_t *)vga_nop,
(vr_set_mouse_t *)vga_nop,
(vr_draw_mouse_t *)vga_nop,
};
RENDERER(ega, PIXEL_MODE, vgarndrsw, vga_set);
RENDERER(vga, PIXEL_MODE, vgarndrsw, vga_set);
#endif /* SC_PIXEL_MODE */
#ifndef SC_NO_MODE_CHANGE
static sc_rndr_sw_t grrndrsw = {
(vr_init_t *)vga_nop,
(vr_clear_t *)vga_nop,
vga_grborder,
(vr_draw_t *)vga_nop,
(vr_set_cursor_t *)vga_nop,
(vr_draw_cursor_t *)vga_nop,
(vr_blink_cursor_t *)vga_nop,
(vr_set_mouse_t *)vga_nop,
(vr_draw_mouse_t *)vga_nop,
};
RENDERER(cga, GRAPHICS_MODE, grrndrsw, vga_set);
RENDERER(ega, GRAPHICS_MODE, grrndrsw, vga_set);
RENDERER(vga, GRAPHICS_MODE, grrndrsw, vga_set);
#endif /* SC_NO_MODE_CHANGE */
RENDERER_MODULE(vga, vga_set);
#ifndef SC_NO_CUTPASTE
#if !defined(SC_ALT_MOUSE_IMAGE) || defined(SC_PIXEL_MODE)
struct mousedata {
u_short md_border[16];
u_short md_interior[16];
u_char md_width;
u_char md_height;
u_char md_baspect;
u_char md_iaspect;
const char *md_name;
};
static const struct mousedata mouse10x16_50 = { {
0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8200,
0x8400, 0x8400, 0x8400, 0x9200, 0xB200, 0xA900, 0xC900, 0x8600, }, {
0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7C00,
0x7800, 0x7800, 0x7800, 0x6C00, 0x4C00, 0x4600, 0x0600, 0x0000, },
10, 16, 49, 52, "mouse10x16_50",
};
static const struct mousedata mouse8x14_67 = { {
0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8700,
0x8400, 0x9200, 0xB200, 0xA900, 0xC900, 0x0600, 0x0000, 0x0000, }, {
0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7800,
0x7800, 0x6C00, 0x4C00, 0x4600, 0x0600, 0x0000, 0x0000, 0x0000, },
8, 14, 64, 65, "mouse8x14_67",
};
static const struct mousedata mouse8x13_75 = { {
0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8600, 0x8400,
0xB200, 0xD200, 0x0900, 0x0900, 0x0600, 0x0000, 0x0000, 0x0000, }, {
0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7800, 0x7800,
0x4C00, 0x0C00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000, },
8, 13, 75, 80, "mouse8x13_75",
};
static const struct mousedata mouse10x16_75 = { {
0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8700,
0x8400, 0x9200, 0xB200, 0xC900, 0x0900, 0x0480, 0x0480, 0x0300, }, {
0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7800,
0x7800, 0x6C00, 0x4C00, 0x0600, 0x0600, 0x0300, 0x0300, 0x0000, },
10, 16, 72, 75, "mouse10x16_75",
};
static const struct mousedata mouse9x13_90 = { {
0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8780,
0x9200, 0xB200, 0xD900, 0x8900, 0x0600, 0x0000, 0x0000, 0x0000, }, {
0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7800,
0x6C00, 0x4C00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000, },
9, 13, 89, 89, "mouse9x13_90",
};
static const struct mousedata mouse10x16_90 = { {
0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080,
0x8040, 0x83E0, 0x8200, 0x9900, 0xA900, 0xC480, 0x8480, 0x0300, }, {
0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00,
0x7F80, 0x7C00, 0x7C00, 0x6600, 0x4600, 0x0300, 0x0300, 0x0000, },
10, 16, 89, 89, "mouse10x16_90",
};
static const struct mousedata mouse9x13_100 = { {
0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8780,
0xB200, 0xD200, 0x8900, 0x0900, 0x0600, 0x0000, 0x0000, 0x0000, }, {
0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7800,
0x4C00, 0x0C00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000, },
9, 13, 106, 113, "mouse9x13_100",
};
static const struct mousedata mouse10x16_100 = { {
0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080,
0x8040, 0x83C0, 0x9200, 0xA900, 0xC900, 0x0480, 0x0480, 0x0300, }, {
0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00,
0x7F80, 0x7C00, 0x6C00, 0x4600, 0x0600, 0x0300, 0x0300, 0x0000, },
10, 16, 96, 106, "mouse10x16_100",
};
static const struct mousedata mouse10x14_120 = { {
0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080,
0x97C0, 0xB200, 0xF200, 0xC900, 0x8900, 0x0600, 0x0000, 0x0000, }, {
0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00,
0x6800, 0x4C00, 0x0C00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, },
10, 14, 120, 124, "mouse10x14_120",
};
static const struct mousedata mouse10x16_120 = { {
0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080,
0x97C0, 0xB200, 0xF200, 0xC900, 0x8900, 0x0480, 0x0480, 0x0300, }, {
0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00,
0x6800, 0x4C00, 0x0C00, 0x0600, 0x0600, 0x0300, 0x0300, 0x0000, },
10, 16, 120, 124, "mouse10x16_120",
};
static const struct mousedata mouse9x13_133 = { {
0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080,
0x9780, 0xB200, 0xC900, 0x0900, 0x0600, 0x0000, 0x0000, 0x0000, }, {
0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00,
0x6800, 0x4C00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000, },
9, 13, 142, 124, "mouse9x13_133",
};
static const struct mousedata mouse10x16_133 = { {
0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080,
0x8040, 0x93E0, 0xB200, 0xC900, 0x8900, 0x0480, 0x0480, 0x0300, }, {
0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00,
0x7F80, 0x6C00, 0x4C00, 0x0600, 0x0600, 0x0300, 0x0300, 0x0000, },
10, 16, 120, 133, "mouse10x16_133",
};
static const struct mousedata mouse14x10_240 = { {
0xF800, 0xCE00, 0xC380, 0xC0E0, 0xC038, 0xC1FC, 0xDCC0, 0xF660,
0xC330, 0x01E0, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, }, {
0x0000, 0x3000, 0x3C00, 0x3F00, 0x3FC0, 0x3E00, 0x2300, 0x0180,
0x00C0, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, },
14, 10, 189, 189, "mouse14x10_240",
};
static const struct mousedata * const mouselarge[] = {
&mouse10x16_50,
&mouse8x14_67,
&mouse10x16_75,
&mouse10x16_90,
&mouse10x16_100,
&mouse10x16_120,
&mouse10x16_133,
&mouse14x10_240,
};
static const struct mousedata * const mousesmall[] = {
&mouse8x14_67,
&mouse8x13_75,
&mouse9x13_90,
&mouse9x13_100,
&mouse10x14_120,
&mouse9x13_133,
&mouse14x10_240,
};
#endif
#endif
#ifdef SC_PIXEL_MODE
#define GET_PIXEL(scp, pos, x, w) \
({ \
(scp)->sc->adp->va_window + \
(x) * (scp)->xoff + \
(scp)->yoff * (scp)->font_size * (w) + \
(x) * ((pos) % (scp)->xsize) + \
(scp)->font_size * (w) * ((pos) / (scp)->xsize); \
})
#define DRAW_PIXEL(scp, pos, color) do { \
switch ((scp)->sc->adp->va_info.vi_depth) { \
case 32: \
writel((pos), vga_palette32[color]); \
break; \
case 24: \
if (((pos) & 1) == 0) { \
writew((pos), vga_palette32[color]); \
writeb((pos) + 2, vga_palette32[color] >> 16); \
} else { \
writeb((pos), vga_palette32[color]); \
writew((pos) + 1, vga_palette32[color] >> 8); \
} \
break; \
case 16: \
if ((scp)->sc->adp->va_info.vi_pixel_fsizes[1] == 5) \
writew((pos), vga_palette15[color]); \
else \
writew((pos), vga_palette16[color]); \
break; \
case 15: \
writew((pos), vga_palette15[color]); \
break; \
case 8: \
writeb((pos), (uint8_t)(color)); \
} \
} while (0)
static uint32_t vga_palette32[16] = {
0x000000, 0x0000ad, 0x00ad00, 0x00adad,
0xad0000, 0xad00ad, 0xad5200, 0xadadad,
0x525252, 0x5252ff, 0x52ff52, 0x52ffff,
0xff5252, 0xff52ff, 0xffff52, 0xffffff
};
static uint16_t vga_palette16[16] = {
0x0000, 0x0016, 0x0560, 0x0576, 0xb000, 0xb016, 0xb2a0, 0xb576,
0x52aa, 0x52bf, 0x57ea, 0x57ff, 0xfaaa, 0xfabf, 0xffea, 0xffff
};
static uint16_t vga_palette15[16] = {
0x0000, 0x0016, 0x02c0, 0x02d6, 0x5800, 0x5816, 0x5940, 0x5ad6,
0x294a, 0x295f, 0x2bea, 0x2bff, 0x7d4a, 0x7d5f, 0x7fea, 0x7fff
};
#endif
static int vga_aspect_scale= 100;
SYSCTL_INT(_machdep, OID_AUTO, vga_aspect_scale, CTLFLAG_RW,
&vga_aspect_scale, 0, "Aspect scale ratio (3:4):actual times 100");
static u_short
vga_flipattr(u_short a, int blink)
{
if (blink)
a = (a & 0x8800) | ((a & 0x7000) >> 4) |
((a & 0x0700) << 4);
else
a = ((a & 0xf000) >> 4) | ((a & 0x0f00) << 4);
return (a);
}
static u_short
vga_cursorattr_adj(scr_stat *scp, u_short a, int blink)
{
int i;
u_short bg, bgmask, fg, newbg;
/*
* The cursor attribute is usually that of the underlying char
* with only the bg changed, to the first preferred color that
* differs from both the fg and bg. If there is no such color,
* use reverse video.
*/
bgmask = blink ? 0x7000 : 0xf000;
bg = a & bgmask;
fg = a & 0x0f00;
for (i = 0; i < nitems(scp->curs_attr.bg); i++) {
newbg = (scp->curs_attr.bg[i] << 12) & bgmask;
if (newbg != bg && newbg != (fg << 4))
break;
}
if (i == nitems(scp->curs_attr.bg))
return (vga_flipattr(a, blink));
return (fg | newbg | (blink ? a & 0x8000 : 0));
}
static void
vga_setmdp(scr_stat *scp)
{
#if !defined(SC_NO_CUTPASTE) && \
(!defined(SC_ALT_MOUSE_IMAGE) || defined(SC_PIXEL_MODE))
const struct mousedata *mdp;
const struct mousedata * const *mdpp;
int aspect, best_i, best_v, i, n, v, wb, wi, xpixel, ypixel;
xpixel = scp->xpixel;
ypixel = scp->ypixel;
if (scp->sc->adp->va_flags & V_ADP_CWIDTH9)
xpixel = xpixel * 9 / 8;
/* If 16:9 +-1%, assume square pixels, else scale to 4:3 or full. */
aspect = xpixel * 900 / ypixel / 16;
if (aspect < 99 || aspect > 100)
aspect = xpixel * 300 / ypixel / 4 * vga_aspect_scale / 100;
/*
* Use 10x16 cursors except even with 8x8 fonts except in ~200-
* line modes where pixels are very large and in text mode where
* even 13 pixels high is really 4 too many. Clipping a 16-high
* cursor at 9-high gives a variable tail which looks better than
* a smaller cursor with a constant tail.
*
* XXX: the IS*SC() macros don't work when this is called at the
* end of a mode switch since UNKNOWN_SC is still set.
*/
if (scp->font_size <= 8 &&
(ypixel < 300 || !(scp->status & PIXEL_MODE))) {
mdpp = &mousesmall[0];
n = nitems(mousesmall);
} else {
mdpp = &mouselarge[0];
n = nitems(mouselarge);
}
if (scp->status & PIXEL_MODE) {
wb = 1024;
wi = 256;
} else {
wb = 256;
wi = 1024;
}
best_i = 0;
best_v = 0x7fffffff;
for (i = 0; i < n; i++) {
v = (wb * abs(mdpp[i]->md_baspect - aspect) +
wi * abs(mdpp[i]->md_iaspect - aspect)) / aspect;
if (best_v > v) {
best_v = v;
best_i = i;
}
}
mdp = mdpp[best_i];
scp->mouse_data = mdp;
#endif /* !SC_NO_CUTPASTE && (!SC_ALT_MOUSE_IMAGE || SC_PIXEL_MODE) */
}
static void
vga_nop(scr_stat *scp)
{
}
/* text mode renderer */
static void
vga_txtclear(scr_stat *scp, int c, int attr)
{
sc_vtb_clear(&scp->scr, c, attr);
}
static void
vga_txtborder(scr_stat *scp, int color)
{
vidd_set_border(scp->sc->adp, color);
}
static void
vga_txtdraw(scr_stat *scp, int from, int count, int flip)
{
vm_offset_t p;
int c;
int a;
if (from + count > scp->xsize*scp->ysize)
count = scp->xsize*scp->ysize - from;
if (flip) {
for (p = sc_vtb_pointer(&scp->scr, from); count-- > 0; ++from) {
c = sc_vtb_getc(&scp->vtb, from);
a = sc_vtb_geta(&scp->vtb, from);
a = vga_flipattr(a, TRUE);
p = sc_vtb_putchar(&scp->scr, p, c, a);
}
} else {
sc_vtb_copy(&scp->vtb, from, &scp->scr, from, count);
}
}
static void
vga_txtcursor_shape(scr_stat *scp, int base, int height, int blink)
{
vga_setmdp(scp);
if (base < 0 || base >= scp->font_size)
return;
/* the caller may set height <= 0 in order to disable the cursor */
vidd_set_hw_cursor_shape(scp->sc->adp, base, height,
scp->font_size, blink);
}
static void
draw_txtcharcursor(scr_stat *scp, int at, u_short c, u_short a, int flip)
{
#ifndef SC_NO_FONT_LOADING
sc_softc_t *sc;
sc = scp->sc;
if (scp->curs_attr.flags & CONS_CHAR_CURSOR) {
unsigned char *font;
int h;
int i;
if (scp->font_size < 14) {
font = sc->font_8;
h = 8;
} else if (scp->font_size >= 16) {
font = sc->font_16;
h = 16;
} else {
font = sc->font_14;
h = 14;
}
if (scp->curs_attr.base >= h)
return;
if (flip)
a = vga_flipattr(a, TRUE);
/*
* This clause handles partial-block cursors in text mode.
* We want to change the attribute only under the partial
* block, but in text mode we can only change full blocks.
* Use reverse video instead.
*/
bcopy(font + c*h, font + sc->cursor_char*h, h);
font = font + sc->cursor_char*h;
for (i = imax(h - scp->curs_attr.base - scp->curs_attr.height, 0);
i < h - scp->curs_attr.base; ++i) {
font[i] ^= 0xff;
}
/* XXX */
vidd_load_font(sc->adp, 0, h, 8, font, sc->cursor_char, 1);
sc_vtb_putc(&scp->scr, at, sc->cursor_char, a);
} else
#endif /* SC_NO_FONT_LOADING */
{
if (flip)
a = vga_flipattr(a, TRUE);
a = vga_cursorattr_adj(scp, a, TRUE);
sc_vtb_putc(&scp->scr, at, c, a);
}
}
static void
vga_txtcursor(scr_stat *scp, int at, int blink, int on, int flip)
{
video_adapter_t *adp;
int cursor_attr;
if (scp->curs_attr.height <= 0) /* the text cursor is disabled */
return;
adp = scp->sc->adp;
if (blink) {
scp->status |= VR_CURSOR_BLINK;
if (on) {
scp->status |= VR_CURSOR_ON;
vidd_set_hw_cursor(adp, at%scp->xsize,
at/scp->xsize);
} else {
if (scp->status & VR_CURSOR_ON)
vidd_set_hw_cursor(adp, -1, -1);
scp->status &= ~VR_CURSOR_ON;
}
} else {
scp->status &= ~VR_CURSOR_BLINK;
if (on) {
scp->status |= VR_CURSOR_ON;
draw_txtcharcursor(scp, at,
sc_vtb_getc(&scp->vtb, at),
sc_vtb_geta(&scp->vtb, at),
flip);
} else {
cursor_attr = sc_vtb_geta(&scp->vtb, at);
if (flip)
cursor_attr = vga_flipattr(cursor_attr, TRUE);
if (scp->status & VR_CURSOR_ON)
sc_vtb_putc(&scp->scr, at,
sc_vtb_getc(&scp->vtb, at),
cursor_attr);
scp->status &= ~VR_CURSOR_ON;
}
}
}
static void
vga_txtblink(scr_stat *scp, int at, int flip)
{
}
int sc_txtmouse_no_retrace_wait;
#ifndef SC_NO_CUTPASTE
static void
draw_txtmouse(scr_stat *scp, int x, int y)
{
#ifndef SC_ALT_MOUSE_IMAGE
if (ISMOUSEAVAIL(scp->sc->adp->va_flags)) {
const struct mousedata *mdp;
uint32_t border, interior;
u_char font_buf[128];
u_short cursor[32];
u_char c;
int pos;
int xoffset, yoffset;
int crtc_addr;
int i;
mdp = scp->mouse_data;
/* prepare mousepointer char's bitmaps */
pos = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff;
bcopy(scp->font + sc_vtb_getc(&scp->scr, pos)*scp->font_size,
&font_buf[0], scp->font_size);
bcopy(scp->font + sc_vtb_getc(&scp->scr, pos + 1)*scp->font_size,
&font_buf[32], scp->font_size);
bcopy(scp->font
+ sc_vtb_getc(&scp->scr, pos + scp->xsize)*scp->font_size,
&font_buf[64], scp->font_size);
bcopy(scp->font
+ sc_vtb_getc(&scp->scr, pos + scp->xsize + 1)*scp->font_size,
&font_buf[96], scp->font_size);
for (i = 0; i < scp->font_size; ++i) {
cursor[i] = font_buf[i]<<8 | font_buf[i+32];
cursor[i + scp->font_size] = font_buf[i+64]<<8 | font_buf[i+96];
}
/* now and-or in the mousepointer image */
xoffset = x%8;
yoffset = y%scp->font_size;
for (i = 0; i < 16; ++i) {
border = mdp->md_border[i] << 8; /* avoid right shifting out */
interior = mdp->md_interior[i] << 8;
border >>= xoffset; /* normalize */
interior >>= xoffset;
if (scp->sc->adp->va_flags & V_ADP_CWIDTH9) {
/* skip gaps between characters */
border = (border & 0xff0000) |
(border & 0x007f80) << 1 |
(border & 0x00003f) << 2;
interior = (interior & 0xff0000) |
(interior & 0x007f80) << 1 |
(interior & 0x00003f) << 2;
}
border >>= 8; /* back to normal position */
interior >>= 8;
cursor[i + yoffset] = (cursor[i + yoffset] & ~border) |
interior;
}
for (i = 0; i < scp->font_size; ++i) {
font_buf[i] = (cursor[i] & 0xff00) >> 8;
font_buf[i + 32] = cursor[i] & 0xff;
font_buf[i + 64] = (cursor[i + scp->font_size] & 0xff00) >> 8;
font_buf[i + 96] = cursor[i + scp->font_size] & 0xff;
}
#if 1
/* wait for vertical retrace to avoid jitter on some videocards */
crtc_addr = scp->sc->adp->va_crtc_addr;
while (!sc_txtmouse_no_retrace_wait &&
!(inb(crtc_addr + 6) & 0x08))
/* idle */ ;
#endif
c = scp->sc->mouse_char;
vidd_load_font(scp->sc->adp, 0, 32, 8, font_buf, c, 4);
sc_vtb_putc(&scp->scr, pos, c, sc_vtb_geta(&scp->scr, pos));
/* FIXME: may be out of range! */
sc_vtb_putc(&scp->scr, pos + scp->xsize, c + 2,
sc_vtb_geta(&scp->scr, pos + scp->xsize));
if (x < (scp->xsize - 1)*8) {
sc_vtb_putc(&scp->scr, pos + 1, c + 1,
sc_vtb_geta(&scp->scr, pos + 1));
sc_vtb_putc(&scp->scr, pos + scp->xsize + 1, c + 3,
sc_vtb_geta(&scp->scr, pos + scp->xsize + 1));
}
} else
#endif /* SC_ALT_MOUSE_IMAGE */
{
/* Red, magenta and brown are mapped to green to keep it readable */
static const int col_conv[16] = {
6, 6, 6, 6, 2, 2, 2, 6, 14, 14, 14, 14, 10, 10, 10, 14
};
int pos;
int color;
int a;
pos = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff;
a = sc_vtb_geta(&scp->scr, pos);
if (scp->sc->adp->va_flags & V_ADP_COLOR)
color = (col_conv[(a & 0xf000) >> 12] << 12)
| ((a & 0x0f00) | 0x0800);
else
color = ((a & 0xf000) >> 4) | ((a & 0x0f00) << 4);
sc_vtb_putc(&scp->scr, pos, sc_vtb_getc(&scp->scr, pos), color);
}
}
static void
remove_txtmouse(scr_stat *scp, int x, int y)
{
}
static void
vga_txtmouse(scr_stat *scp, int x, int y, int on)
{
if (on)
draw_txtmouse(scp, x, y);
else
remove_txtmouse(scp, x, y);
}
#endif /* SC_NO_CUTPASTE */
#ifdef SC_PIXEL_MODE
/* pixel (raster text) mode renderer */
static void
vga_rndrinit(scr_stat *scp)
{
if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_PLANAR) {
scp->rndr->clear = vga_pxlclear_planar;
scp->rndr->draw_border = vga_pxlborder_planar;
scp->rndr->draw = vga_vgadraw_planar;
scp->rndr->draw_cursor = vga_pxlcursor_planar;
scp->rndr->blink_cursor = vga_pxlblink_planar;
scp->rndr->draw_mouse = vga_pxlmouse_planar;
} else
if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT ||
scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_PACKED) {
scp->rndr->clear = vga_pxlclear_direct;
scp->rndr->draw_border = vga_pxlborder_direct;
scp->rndr->draw = vga_vgadraw_direct;
scp->rndr->draw_cursor = vga_pxlcursor_direct;
scp->rndr->blink_cursor = vga_pxlblink_direct;
scp->rndr->draw_mouse = vga_pxlmouse_direct;
}
}
static void
vga_pxlclear_direct(scr_stat *scp, int c, int attr)
{
vm_offset_t p;
int line_width;
int pixel_size;
int lines;
int i;
line_width = scp->sc->adp->va_line_width;
pixel_size = scp->sc->adp->va_info.vi_pixel_size;
lines = scp->ysize * scp->font_size;
p = scp->sc->adp->va_window +
line_width * scp->yoff * scp->font_size +
scp->xoff * 8 * pixel_size;
for (i = 0; i < lines; ++i) {
bzero_io((void *)p, scp->xsize * 8 * pixel_size);
p += line_width;
}
}
static void
vga_pxlclear_planar(scr_stat *scp, int c, int attr)
{
vm_offset_t p;
int line_width;
int lines;
int i;
/* XXX: we are just filling the screen with the background color... */
outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
outw(GDCIDX, 0x0003); /* data rotate/function select */
outw(GDCIDX, 0x0f01); /* set/reset enable */
outw(GDCIDX, 0xff08); /* bit mask */
outw(GDCIDX, ((attr & 0xf000) >> 4) | 0x00); /* set/reset */
line_width = scp->sc->adp->va_line_width;
lines = scp->ysize*scp->font_size;
p = scp->sc->adp->va_window + line_width*scp->yoff*scp->font_size
+ scp->xoff;
for (i = 0; i < lines; ++i) {
bzero_io((void *)p, scp->xsize);
p += line_width;
}
outw(GDCIDX, 0x0000); /* set/reset */
outw(GDCIDX, 0x0001); /* set/reset enable */
}
static void
vga_pxlborder_direct(scr_stat *scp, int color)
{
vm_offset_t s;
vm_offset_t e;
vm_offset_t f;
int line_width;
int pixel_size;
int x;
int y;
int i;
line_width = scp->sc->adp->va_line_width;
pixel_size = scp->sc->adp->va_info.vi_pixel_size;
if (scp->yoff > 0) {
s = scp->sc->adp->va_window;
e = s + line_width * scp->yoff * scp->font_size;
for (f = s; f < e; f += pixel_size)
DRAW_PIXEL(scp, f, color);
}
y = (scp->yoff + scp->ysize) * scp->font_size;
if (scp->ypixel > y) {
s = scp->sc->adp->va_window + line_width * y;
e = s + line_width * (scp->ypixel - y);
for (f = s; f < e; f += pixel_size)
DRAW_PIXEL(scp, f, color);
}
y = scp->yoff * scp->font_size;
x = scp->xpixel / 8 - scp->xoff - scp->xsize;
for (i = 0; i < scp->ysize * scp->font_size; ++i) {
if (scp->xoff > 0) {
s = scp->sc->adp->va_window + line_width * (y + i);
e = s + scp->xoff * 8 * pixel_size;
for (f = s; f < e; f += pixel_size)
DRAW_PIXEL(scp, f, color);
}
if (x > 0) {
s = scp->sc->adp->va_window + line_width * (y + i) +
scp->xoff * 8 * pixel_size +
scp->xsize * 8 * pixel_size;
e = s + x * 8 * pixel_size;
for (f = s; f < e; f += pixel_size)
DRAW_PIXEL(scp, f, color);
}
}
}
static void
vga_pxlborder_planar(scr_stat *scp, int color)
{
vm_offset_t p;
int line_width;
int x;
int y;
int i;
vidd_set_border(scp->sc->adp, color);
outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
outw(GDCIDX, 0x0003); /* data rotate/function select */
outw(GDCIDX, 0x0f01); /* set/reset enable */
outw(GDCIDX, 0xff08); /* bit mask */
outw(GDCIDX, (color << 8) | 0x00); /* set/reset */
line_width = scp->sc->adp->va_line_width;
p = scp->sc->adp->va_window;
if (scp->yoff > 0)
bzero_io((void *)p, line_width*scp->yoff*scp->font_size);
y = (scp->yoff + scp->ysize)*scp->font_size;
if (scp->ypixel > y)
bzero_io((void *)(p + line_width*y), line_width*(scp->ypixel - y));
y = scp->yoff*scp->font_size;
x = scp->xpixel/8 - scp->xoff - scp->xsize;
for (i = 0; i < scp->ysize*scp->font_size; ++i) {
if (scp->xoff > 0)
bzero_io((void *)(p + line_width*(y + i)), scp->xoff);
if (x > 0)
bzero_io((void *)(p + line_width*(y + i)
+ scp->xoff + scp->xsize), x);
}
outw(GDCIDX, 0x0000); /* set/reset */
outw(GDCIDX, 0x0001); /* set/reset enable */
}
static void
vga_vgadraw_direct(scr_stat *scp, int from, int count, int flip)
{
vm_offset_t d;
vm_offset_t e;
u_char *f;
u_short col1, col2, color;
int line_width, pixel_size;
int i, j, k;
int a;
line_width = scp->sc->adp->va_line_width;
pixel_size = scp->sc->adp->va_info.vi_pixel_size;
d = GET_PIXEL(scp, from, 8 * pixel_size, line_width);
if (from + count > scp->xsize * scp->ysize)
count = scp->xsize * scp->ysize - from;
for (i = from; count-- > 0; ++i) {
a = sc_vtb_geta(&scp->vtb, i);
if (flip)
a = vga_flipattr(a, FALSE);
col1 = (a & 0x0f00) >> 8;
col2 = (a & 0xf000) >> 12;
e = d;
f = &(scp->font[sc_vtb_getc(&scp->vtb, i) * scp->font_size]);
for (j = 0; j < scp->font_size; ++j, ++f) {
for (k = 0; k < 8; ++k) {
color = *f & (1 << (7 - k)) ? col1 : col2;
DRAW_PIXEL(scp, e + pixel_size * k, color);
}
e += line_width;
}
d += 8 * pixel_size;
if ((i % scp->xsize) == scp->xsize - 1)
d += scp->font_size * line_width -
scp->xsize * 8 * pixel_size;
}
}
static void
vga_vgadraw_planar(scr_stat *scp, int from, int count, int flip)
{
vm_offset_t d;
vm_offset_t e;
u_char *f;
u_short bg, fg;
u_short col1, col2;
int line_width;
int i, j;
int a;
line_width = scp->sc->adp->va_line_width;
d = GET_PIXEL(scp, from, 1, line_width);
if (scp->sc->adp->va_type == KD_VGA) {
outw(GDCIDX, 0x0305); /* read mode 0, write mode 3 */
outw(GDCIDX, 0xff08); /* bit mask */
} else
outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
outw(GDCIDX, 0x0003); /* data rotate/function select */
outw(GDCIDX, 0x0f01); /* set/reset enable */
fg = bg = -1;
if (from + count > scp->xsize*scp->ysize)
count = scp->xsize*scp->ysize - from;
for (i = from; count-- > 0; ++i) {
a = sc_vtb_geta(&scp->vtb, i);
if (flip)
a = vga_flipattr(a, FALSE);
col1 = a & 0x0f00;
col2 = (a & 0xf000) >> 4;
/* set background color in EGA/VGA latch */
if (bg != col2) {
bg = col2;
fg = -1;
outw(GDCIDX, bg | 0x00); /* set/reset */
if (scp->sc->adp->va_type != KD_VGA)
outw(GDCIDX, 0xff08); /* bit mask */
writeb(d, 0xff);
(void)readb(d); /* set bg color in the latch */
}
/* foreground color */
if (fg != col1) {
fg = col1;
outw(GDCIDX, col1 | 0x00); /* set/reset */
}
e = d;
f = &(scp->font[sc_vtb_getc(&scp->vtb, i)*scp->font_size]);
for (j = 0; j < scp->font_size; ++j, ++f) {
if (scp->sc->adp->va_type == KD_VGA)
writeb(e, *f);
else {
outw(GDCIDX, (*f << 8) | 0x08); /* bit mask */
writeb(e, 0);
}
e += line_width;
}
++d;
if ((i % scp->xsize) == scp->xsize - 1)
d += scp->font_size * line_width - scp->xsize;
}
if (scp->sc->adp->va_type == KD_VGA)
outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
else
outw(GDCIDX, 0xff08); /* bit mask */
outw(GDCIDX, 0x0000); /* set/reset */
outw(GDCIDX, 0x0001); /* set/reset enable */
}
static void
vga_pxlcursor_shape(scr_stat *scp, int base, int height, int blink)
{
vga_setmdp(scp);
}
static void
draw_pxlcursor_direct(scr_stat *scp, int at, int on, int flip)
{
vm_offset_t d;
u_char *f;
int line_width, pixel_size;
int height;
int col1, col2, color;
int a;
int i, j;
line_width = scp->sc->adp->va_line_width;
pixel_size = scp->sc->adp->va_info.vi_pixel_size;
d = GET_PIXEL(scp, at, 8 * pixel_size, line_width) +
(scp->font_size - scp->curs_attr.base - 1) * line_width;
a = sc_vtb_geta(&scp->vtb, at);
if (flip)
a = vga_flipattr(a, FALSE);
if (on)
a = vga_cursorattr_adj(scp, a, FALSE);
col1 = (a & 0x0f00) >> 8;
col2 = a >> 12;
f = &(scp->font[sc_vtb_getc(&scp->vtb, at) * scp->font_size +
scp->font_size - scp->curs_attr.base - 1]);
height = imin(scp->curs_attr.height, scp->font_size);
for (i = 0; i < height; ++i, --f) {
for (j = 0; j < 8; ++j) {
color = *f & (1 << (7 - j)) ? col1 : col2;
DRAW_PIXEL(scp, d + pixel_size * j, color);
}
d -= line_width;
}
}
static void
draw_pxlcursor_planar(scr_stat *scp, int at, int on, int flip)
{
vm_offset_t d;
u_char *f;
int line_width;
int height;
int col;
int a;
int i;
line_width = scp->sc->adp->va_line_width;
d = GET_PIXEL(scp, at, 1, line_width) +
(scp->font_size - scp->curs_attr.base - 1) * line_width;
outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
outw(GDCIDX, 0x0003); /* data rotate/function select */
outw(GDCIDX, 0x0f01); /* set/reset enable */
/* set background color in EGA/VGA latch */
a = sc_vtb_geta(&scp->vtb, at);
if (flip)
a = vga_flipattr(a, FALSE);
if (on)
a = vga_cursorattr_adj(scp, a, FALSE);
col = (a & 0xf000) >> 4;
outw(GDCIDX, col | 0x00); /* set/reset */
outw(GDCIDX, 0xff08); /* bit mask */
writeb(d, 0);
(void)readb(d); /* set bg color in the latch */
/* foreground color */
col = a & 0x0f00;
outw(GDCIDX, col | 0x00); /* set/reset */
f = &(scp->font[sc_vtb_getc(&scp->vtb, at)*scp->font_size
+ scp->font_size - scp->curs_attr.base - 1]);
height = imin(scp->curs_attr.height, scp->font_size);
for (i = 0; i < height; ++i, --f) {
outw(GDCIDX, (*f << 8) | 0x08); /* bit mask */
writeb(d, 0);
d -= line_width;
}
outw(GDCIDX, 0x0000); /* set/reset */
outw(GDCIDX, 0x0001); /* set/reset enable */
outw(GDCIDX, 0xff08); /* bit mask */
}
static int pxlblinkrate = 0;
static void
vga_pxlcursor_direct(scr_stat *scp, int at, int blink, int on, int flip)
{
if (scp->curs_attr.height <= 0) /* the text cursor is disabled */
return;
if (on) {
if (!blink) {
scp->status |= VR_CURSOR_ON;
draw_pxlcursor_direct(scp, at, on, flip);
} else if (++pxlblinkrate & 4) {
pxlblinkrate = 0;
scp->status ^= VR_CURSOR_ON;
draw_pxlcursor_direct(scp, at,
scp->status & VR_CURSOR_ON,
flip);
}
} else {
if (scp->status & VR_CURSOR_ON)
draw_pxlcursor_direct(scp, at, on, flip);
scp->status &= ~VR_CURSOR_ON;
}
if (blink)
scp->status |= VR_CURSOR_BLINK;
else
scp->status &= ~VR_CURSOR_BLINK;
}
static void
vga_pxlcursor_planar(scr_stat *scp, int at, int blink, int on, int flip)
{
if (scp->curs_attr.height <= 0) /* the text cursor is disabled */
return;
if (on) {
if (!blink) {
scp->status |= VR_CURSOR_ON;
draw_pxlcursor_planar(scp, at, on, flip);
} else if (++pxlblinkrate & 4) {
pxlblinkrate = 0;
scp->status ^= VR_CURSOR_ON;
draw_pxlcursor_planar(scp, at,
scp->status & VR_CURSOR_ON,
flip);
}
} else {
if (scp->status & VR_CURSOR_ON)
draw_pxlcursor_planar(scp, at, on, flip);
scp->status &= ~VR_CURSOR_ON;
}
if (blink)
scp->status |= VR_CURSOR_BLINK;
else
scp->status &= ~VR_CURSOR_BLINK;
}
static void
vga_pxlblink_direct(scr_stat *scp, int at, int flip)
{
if (!(scp->status & VR_CURSOR_BLINK))
return;
if (!(++pxlblinkrate & 4))
return;
pxlblinkrate = 0;
scp->status ^= VR_CURSOR_ON;
draw_pxlcursor_direct(scp, at, scp->status & VR_CURSOR_ON, flip);
}
static void
vga_pxlblink_planar(scr_stat *scp, int at, int flip)
{
if (!(scp->status & VR_CURSOR_BLINK))
return;
if (!(++pxlblinkrate & 4))
return;
pxlblinkrate = 0;
scp->status ^= VR_CURSOR_ON;
draw_pxlcursor_planar(scp, at, scp->status & VR_CURSOR_ON, flip);
}
#ifndef SC_NO_CUTPASTE
static void
draw_pxlmouse_planar(scr_stat *scp, int x, int y)
{
const struct mousedata *mdp;
vm_offset_t p;
int line_width;
int xoff;
int ymax;
uint32_t m;
int i, j, k;
uint8_t m1;
mdp = scp->mouse_data;
line_width = scp->sc->adp->va_line_width;
xoff = (x - scp->xoff*8)%8;
ymax = imin(y + mdp->md_height, scp->ypixel);
if (scp->sc->adp->va_type == KD_VGA) {
outw(GDCIDX, 0x0305); /* read mode 0, write mode 3 */
outw(GDCIDX, 0xff08); /* bit mask */
} else
outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
outw(GDCIDX, 0x0003); /* data rotate/function select */
outw(GDCIDX, 0x0f01); /* set/reset enable */
outw(GDCIDX, (scp->curs_attr.mouse_ba << 8) | 0x00); /* set/reset */
p = scp->sc->adp->va_window + line_width*y + x/8;
for (i = y, j = 0; i < ymax; ++i, ++j) {
m = mdp->md_border[j] << 8 >> xoff;
for (k = 0; k < 3; ++k) {
m1 = m >> (8 * (2 - k));
if (m1 != 0 && x + 8 * k < scp->xpixel) {
readb(p + k);
if (scp->sc->adp->va_type == KD_VGA)
writeb(p + k, m1);
else {
/* bit mask: */
outw(GDCIDX, (m1 << 8) | 0x08);
writeb(p + k, 0);
}
}
}
p += line_width;
}
outw(GDCIDX, (scp->curs_attr.mouse_ia << 8) | 0x00); /* set/reset */
p = scp->sc->adp->va_window + line_width*y + x/8;
for (i = y, j = 0; i < ymax; ++i, ++j) {
m = mdp->md_interior[j] << 8 >> xoff;
for (k = 0; k < 3; ++k) {
m1 = m >> (8 * (2 - k));
if (m1 != 0 && x + 8 * k < scp->xpixel) {
readb(p + k);
if (scp->sc->adp->va_type == KD_VGA)
writeb(p + k, m1);
else {
/* bit mask: */
outw(GDCIDX, (m1 << 8) | 0x08);
writeb(p + k, 0);
}
}
}
p += line_width;
}
if (scp->sc->adp->va_type == KD_VGA)
outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
else
outw(GDCIDX, 0xff08); /* bit mask */
outw(GDCIDX, 0x0000); /* set/reset */
outw(GDCIDX, 0x0001); /* set/reset enable */
}
static void
remove_pxlmouse_planar(scr_stat *scp, int x, int y)
{
const struct mousedata *mdp;
vm_offset_t p;
int bx, by, i, line_width, xend, xoff, yend, yoff;
mdp = scp->mouse_data;
/*
* It is only necessary to remove the mouse image where it overlaps
* the border. Determine the overlap, and do nothing if it is empty.
*/
bx = (scp->xoff + scp->xsize) * 8;
by = (scp->yoff + scp->ysize) * scp->font_size;
xend = imin(x + mdp->md_width, scp->xpixel);
yend = imin(y + mdp->md_height, scp->ypixel);
if (xend <= bx && yend <= by)
return;
/* Repaint the non-empty overlap. */
line_width = scp->sc->adp->va_line_width;
outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
outw(GDCIDX, 0x0003); /* data rotate/function select */
outw(GDCIDX, 0x0f01); /* set/reset enable */
outw(GDCIDX, 0xff08); /* bit mask */
outw(GDCIDX, (scp->border << 8) | 0x00); /* set/reset */
for (i = x / 8, xoff = i * 8; xoff < xend; ++i, xoff += 8) {
yoff = (xoff >= bx) ? y : by;
p = scp->sc->adp->va_window + yoff * line_width + i;
for (; yoff < yend; ++yoff, p += line_width)
writeb(p, 0);
}
outw(GDCIDX, 0x0000); /* set/reset */
outw(GDCIDX, 0x0001); /* set/reset enable */
}
static void
vga_pxlmouse_direct(scr_stat *scp, int x, int y, int on)
{
const struct mousedata *mdp;
vm_offset_t p;
int line_width, pixel_size;
int xend, yend;
int i, j;
mdp = scp->mouse_data;
/*
* Determine overlap with the border and then if removing, do nothing
* if the overlap is empty.
*/
xend = imin(x + mdp->md_width, scp->xpixel);
yend = imin(y + mdp->md_height, scp->ypixel);
if (!on && xend <= (scp->xoff + scp->xsize) * 8 &&
yend <= (scp->yoff + scp->ysize) * scp->font_size)
return;
line_width = scp->sc->adp->va_line_width;
pixel_size = scp->sc->adp->va_info.vi_pixel_size;
if (on)
goto do_on;
/* Repaint overlap with the border (mess up the corner a little). */
p = scp->sc->adp->va_window + y * line_width + x * pixel_size;
for (i = 0; i < yend - y; i++, p += line_width)
for (j = xend - x - 1; j >= 0; j--)
DRAW_PIXEL(scp, p + j * pixel_size, scp->border);
return;
do_on:
p = scp->sc->adp->va_window + y * line_width + x * pixel_size;
for (i = 0; i < yend - y; i++, p += line_width)
for (j = xend - x - 1; j >= 0; j--)
if (mdp->md_interior[i] & (1 << (15 - j)))
DRAW_PIXEL(scp, p + j * pixel_size,
scp->curs_attr.mouse_ia);
else if (mdp->md_border[i] & (1 << (15 - j)))
DRAW_PIXEL(scp, p + j * pixel_size,
scp->curs_attr.mouse_ba);
}
static void
vga_pxlmouse_planar(scr_stat *scp, int x, int y, int on)
{
if (on)
draw_pxlmouse_planar(scp, x, y);
else
remove_pxlmouse_planar(scp, x, y);
}
#endif /* SC_NO_CUTPASTE */
#endif /* SC_PIXEL_MODE */
#ifndef SC_NO_MODE_CHANGE
/* graphics mode renderer */
static void
vga_grborder(scr_stat *scp, int color)
{
vidd_set_border(scp->sc->adp, color);
}
#endif
Reference in a new issue View git blame Copy permalink