void
sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int count)
{
int len;
if (vtb2->vtb_type != VTB_RINGBUFFER)
return;
while (count > 0) {
len = imin(count, vtb2->vtb_size - vtb2->vtb_tail);
#ifndef __sparc64__
if (vtb1->vtb_type == VTB_FRAMEBUFFER)
bcopy_fromio(sc_vtb_pointer(vtb1, from),
sc_vtb_pointer(vtb2, vtb2->vtb_tail),
len*sizeof(u_int16_t));
else
#endif
bcopy((void *)sc_vtb_pointer(vtb1, from),
(void *)sc_vtb_pointer(vtb2, vtb2->vtb_tail),
len*sizeof(u_int16_t));
from += len;
count -= len;
vtb2->vtb_tail = vtb_wrap(vtb2, vtb2->vtb_tail, len);
}
}
void
sc_vtb_clear(sc_vtb_t *vtb, int c, int attr)
{
#ifndef __sparc64__
if (vtb->vtb_type == VTB_FRAMEBUFFER)
fillw_io(attr | c, sc_vtb_pointer(vtb, 0), vtb->vtb_size);
else
#endif
fillw(attr | c, (void *)sc_vtb_pointer(vtb, 0), vtb->vtb_size);
}
void
sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a)
{
#ifndef __sparc64__
if (vtb->vtb_type == VTB_FRAMEBUFFER)
writew(sc_vtb_pointer(vtb, at), a | c);
else
#endif
*(u_int16_t *)sc_vtb_pointer(vtb, at) = a | c;
}
int
sc_vtb_geta(sc_vtb_t *vtb, int at)
{
#ifndef __sparc64__
if (vtb->vtb_type == VTB_FRAMEBUFFER)
return (readw(sc_vtb_pointer(vtb, at)) & 0xff00);
else
#endif
return (*(u_int16_t *)sc_vtb_pointer(vtb, at) & 0xff00);
}
void
sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr)
{
if (at + count > vtb->vtb_size)
count = vtb->vtb_size - at;
#ifndef __sparc64__
if (vtb->vtb_type == VTB_FRAMEBUFFER)
fillw_io(attr | c, sc_vtb_pointer(vtb, at), count);
else
#endif
fillw(attr | c, (void *)sc_vtb_pointer(vtb, at), count);
}
static void
scteken_putchar(void *arg, const teken_pos_t *tp, teken_char_t c,
const teken_attr_t *a)
{
scr_stat *scp = arg;
u_char *map;
u_char ch;
vm_offset_t p;
int cursor, attr;
attr = scteken_attr(a) << 8;
#ifdef TEKEN_UTF8
scteken_get_cp437(&c, &attr);
#endif /* TEKEN_UTF8 */
ch = c;
map = scp->sc->scr_map;
cursor = tp->tp_row * scp->xsize + tp->tp_col;
p = sc_vtb_pointer(&scp->vtb, cursor);
sc_vtb_putchar(&scp->vtb, p, map[ch], attr);
mark_for_update(scp, cursor);
/*
* XXX: Why do we need this? Only marking `cursor' should be
* enough. Without this line, we get artifacts.
*/
mark_for_update(scp, imin(cursor + 1, scp->xsize * scp->ysize - 1));
}
void
sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count)
{
if (from + count > vtb->vtb_size)
count = vtb->vtb_size - from;
if (to + count > vtb->vtb_size)
count = vtb->vtb_size - to;
if (count <= 0)
return;
#ifndef __sparc64__
if (vtb->vtb_type == VTB_FRAMEBUFFER)
bcopy_io(sc_vtb_pointer(vtb, from),
sc_vtb_pointer(vtb, to), count*sizeof(u_int16_t));
else
#endif
bcopy((void *)sc_vtb_pointer(vtb, from),
(void *)sc_vtb_pointer(vtb, to), count*sizeof(u_int16_t));
}
void
sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr)
{
int len;
if (at + count > vtb->vtb_size)
count = vtb->vtb_size - at;
len = vtb->vtb_size - at - count;
if (len > 0) {
#ifndef __sparc64__
if (vtb->vtb_type == VTB_FRAMEBUFFER)
bcopy_io(sc_vtb_pointer(vtb, at + count),
sc_vtb_pointer(vtb, at),
len*sizeof(u_int16_t));
else
#endif
bcopy((void *)sc_vtb_pointer(vtb, at + count),
(void *)sc_vtb_pointer(vtb, at),
len*sizeof(u_int16_t));
}
#ifndef __sparc64__
if (vtb->vtb_type == VTB_FRAMEBUFFER)
fillw_io(attr | c, sc_vtb_pointer(vtb, at + len),
vtb->vtb_size - at - len);
else
#endif
fillw(attr | c, (void *)sc_vtb_pointer(vtb, at + len),
vtb->vtb_size - at - len);
}
void
sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows, void *buf, int wait)
{
vtb->vtb_flags = 0;
vtb->vtb_type = type;
vtb->vtb_cols = cols;
vtb->vtb_rows = rows;
vtb->vtb_size = cols*rows;
vtb->vtb_buffer = 0;
vtb->vtb_tail = 0;
switch (type) {
case VTB_MEMORY:
case VTB_RINGBUFFER:
if ((buf == NULL) && (cols*rows != 0)) {
vtb->vtb_buffer =
(vm_offset_t)malloc(cols*rows*sizeof(u_int16_t),
M_DEVBUF,
(wait) ? M_WAITOK : M_NOWAIT);
if (vtb->vtb_buffer != 0) {
bzero((void *)sc_vtb_pointer(vtb, 0),
cols*rows*sizeof(u_int16_t));
vtb->vtb_flags |= VTB_ALLOCED;
}
} else {
vtb->vtb_buffer = (vm_offset_t)buf;
}
vtb->vtb_flags |= VTB_VALID;
break;
#ifndef __sparc64__
case VTB_FRAMEBUFFER:
vtb->vtb_buffer = (vm_offset_t)buf;
vtb->vtb_flags |= VTB_VALID;
break;
#endif
default:
break;
}
}
static void
scteken_putchar(void *arg, const teken_pos_t *tp, teken_char_t c,
const teken_attr_t *a)
{
scr_stat *scp = arg;
u_char *map;
u_char ch;
vm_offset_t p;
int cursor, attr;
/*
* No support for printing right hand sides for CJK fullwidth
* characters. Simply print a space and assume that the left
* hand side describes the entire character.
*/
attr = scteken_attr(a) << 8;
if (a->ta_format & TF_CJK_RIGHT)
c = ' ';
#ifdef TEKEN_UTF8
scteken_get_cp437(&c, &attr);
#endif /* TEKEN_UTF8 */
ch = c;
map = scp->sc->scr_map;
cursor = tp->tp_row * scp->xsize + tp->tp_col;
p = sc_vtb_pointer(&scp->vtb, cursor);
sc_vtb_putchar(&scp->vtb, p, map[ch], attr);
mark_for_update(scp, cursor);
/*
* XXX: Why do we need this? Only marking `cursor' should be
* enough. Without this line, we get artifacts.
*/
mark_for_update(scp, imin(cursor + 1, scp->xsize * scp->ysize - 1));
}
void
sc_vtb_copy(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int to, int count)
{
#ifndef __sparc64__
/* XXX if both are VTB_VRAMEBUFFER... */
if (vtb2->vtb_type == VTB_FRAMEBUFFER)
bcopy_toio(sc_vtb_pointer(vtb1, from),
sc_vtb_pointer(vtb2, to),
count*sizeof(u_int16_t));
else if (vtb1->vtb_type == VTB_FRAMEBUFFER)
bcopy_fromio(sc_vtb_pointer(vtb1, from),
sc_vtb_pointer(vtb2, to),
count*sizeof(u_int16_t));
else
#endif
bcopy((void *)sc_vtb_pointer(vtb1, from),
(void *)sc_vtb_pointer(vtb2, to),
count*sizeof(u_int16_t));
}
void
sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr)
{
if (at + count > vtb->vtb_size)
count = vtb->vtb_size - at;
else {
#ifndef __sparc64__
if (vtb->vtb_type == VTB_FRAMEBUFFER)
bcopy_io(sc_vtb_pointer(vtb, at),
sc_vtb_pointer(vtb, at + count),
(vtb->vtb_size - at - count)*sizeof(u_int16_t));
else
#endif
bcopy((void *)sc_vtb_pointer(vtb, at),
(void *)sc_vtb_pointer(vtb, at + count),
(vtb->vtb_size - at - count)*sizeof(u_int16_t));
}
#ifndef __sparc64__
if (vtb->vtb_type == VTB_FRAMEBUFFER)
fillw_io(attr | c, sc_vtb_pointer(vtb, at), count);
else
#endif
fillw(attr | c, (void *)sc_vtb_pointer(vtb, at), count);
}
