void
paintCellFb(struct application *ap, unsigned char *pixpaint, unsigned char *pixexpendable)
{
int gx, gy;
int gyfin, gxfin;
int gxorg, gyorg;
int x, y;
int cnt;
#if DEBUG_CELLFB
brst_log("paintCellFb: expendable {%d, %d, %d}\n",
pixexpendable[RED],
pixexpendable[GRN],
pixexpendable[BLU]);
#endif
gridToFb(ap->a_x, ap->a_y, &gx, &gy);
gxorg = gx+1;
gyorg = gy+1;
gxfin = zoom == 1 ? gx+zoom+1 : gx+zoom;
gyfin = zoom == 1 ? gy+zoom+1 : gy+zoom;
cnt = gxfin - gxorg;
for (y = gyorg; y < gyfin; y++) {
if (zoom != 1 && (y - gy) % zoom == 0)
continue;
bu_semaphore_acquire(RT_SEM_STATS);
(void) fb_read(fbiop, gxorg, y, (unsigned char *)pixbuf, cnt);
bu_semaphore_release(RT_SEM_STATS);
for (x = gxorg; x < gxfin; x++) {
if (SAMERGB(&pixbuf[x-gxorg][0], pixexpendable)
) {
#if DEBUG_CELLFB
brst_log("Clobbering:<%d, %d>{%d, %d, %d}\n",
x, y,
pixbuf[x-gxorg][RED],
pixbuf[x-gxorg][GRN],
pixbuf[x-gxorg][BLU]);
#endif
COPYRGB(&pixbuf[x-gxorg][0], pixpaint);
}
#if DEBUG_CELLFB
else
brst_log("Preserving:<%d, %d>{%d, %d, %d}\n",
x, y,
pixbuf[x-gxorg][RED],
pixbuf[x-gxorg][GRN],
pixbuf[x-gxorg][BLU]);
#endif
}
bu_semaphore_acquire(RT_SEM_STATS);
(void) fb_write(fbiop, gxorg, y, (unsigned char *)pixbuf, cnt);
bu_semaphore_release(RT_SEM_STATS);
#if DEBUG_CELLFB
brst_log("paintCellFb: fb_write(%d, %d)\n", x, y);
#endif
}
return;
}
void
paintSpallFb(struct application *ap)
{
unsigned char pixel[3];
int x, y;
int err;
fastf_t celldist;
#if DEBUG_SPALLFB
brst_log("paintSpallFb: a_x=%d a_y=%d a_cumlen=%g cellsz=%g zoom=%d\n",
ap->a_x, ap->a_y, ap->a_cumlen, cellsz, zoom);
#endif
pixel[RED] = ap->a_color[RED] * 255;
pixel[GRN] = ap->a_color[GRN] * 255;
pixel[BLU] = ap->a_color[BLU] * 255;
gridToFb(ap->a_x, ap->a_y, &x, &y);
CenterCell(x); /* center of cell */
CenterCell(y);
celldist = ap->a_cumlen/cellsz * zoom;
x = roundToInt(x + VDOT(ap->a_ray.r_dir, gridhor) * celldist);
y = roundToInt(y + VDOT(ap->a_ray.r_dir, gridver) * celldist);
bu_semaphore_acquire(RT_SEM_STATS);
err = fb_write(fbiop, x, y, pixel, 1);
bu_semaphore_release(RT_SEM_STATS);
#if DEBUG_SPALLFB
brst_log("paintSpallFb:gridhor=<%g, %g, %g> gridver=<%g, %g, %g>\n",
gridhor[X], gridhor[Y], gridhor[Z],
gridver[X], gridver[Y], gridver[Z]);
brst_log("paintSpallFb:fb_write(x=%d, y=%d, pixel={%d, %d, %d})\n",
x, y,
(int) pixel[RED],
(int) pixel[GRN],
(int) pixel[BLU]
);
#endif
if (err == -1)
brst_log("Write failed to pixel <%d, %d> from cell <%d, %d>.\n",
x, y, ap->a_x, ap->a_y);
return;
}
void
prntTrie(Trie *triep, int level)
{
Trie *tp = triep;
static char name_buf[MAX_TRIE_LEVEL+1], *namep;
if (tp == TRIE_NULL)
return;
if (tp->n.t_altr != TRIE_NULL)
prntTrie(tp->n.t_altr, level);
if (level == 0)
namep = name_buf;
*namep = tp->n.t_char;
if (tp->n.t_next == TRIE_NULL) {
/* At end of name, so print it out. */
*namep = NUL;
brst_log("%s\n", name_buf);
} else {
namep++;
prntTrie(tp->n.t_next, level+1);
namep--;
}
return;
}