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libtdevnc/x11vnc/8to24.c

1965 lines
43 KiB

/* -- 8to24.c -- */
#include "x11vnc.h"
#include "cleanup.h"
#include "scan.h"
#include "util.h"
#include "win_utils.h"
int multivis_count = 0;
int multivis_24count = 0;
void check_for_multivis(void);
void bpp8to24(int, int, int, int);
void mark_8bpp(int);
static void set_root_cmap(void);
static int check_pointer_in_depth24(void);
static void parse_cmap8to24(void);
static void set_poll_fb(void);
static int check_depth(Window win, Window top, int doall);
static int check_depth_win(Window win, Window top, XWindowAttributes *attr);
static XImage *p_xi(XImage *xi, Visual *visual, int win_depth, int *w);
static int poll_line(int x1, int x2, int y1, int n, sraRegionPtr mod);
static void poll_line_complement(int x1, int x2, int y1, sraRegionPtr mod);
static int poll_8bpp(sraRegionPtr, int);
static void poll_8bpp_complement(sraRegionPtr);
static void mark_rgn_rects(sraRegionPtr mod);
static int get_8bpp_regions(int validate);
static int get_cmap(int j, Colormap cmap);
static void do_8bpp_region(int n, sraRegionPtr mark);
static XImage *cmap_xi(XImage *xi, Window win, int win_depth);
static void transform_rect(sraRect rect, Window win, int win_depth, int cm);
/* struct for keeping info about the 8bpp windows: */
typedef struct window8 {
Window win;
Window top;
int depth;
int x, y;
int w, h;
int map_state;
Colormap cmap;
Bool map_installed;
int fetched;
double last_fetched;
sraRegionPtr clip_region;
} window8bpp_t;
enum mark_8bpp_modes {
MARK_8BPP_ALL = 0,
MARK_8BPP_POINTER,
MARK_8BPP_TOP
};
#define NCOLOR 256
static Colormap root_cmap = 0;
static unsigned int root_rgb[NCOLOR];
static void set_root_cmap(void) {
static time_t last_set = 0;
time_t now = time(0);
XWindowAttributes attr;
static XColor color[NCOLOR];
int redo = 0;
if (now > last_set + 10) {
redo = 1;
}
if (! root_cmap || redo) {
X_LOCK;
if (! valid_window(window, &attr, 1)) {
X_UNLOCK;
return;
}
if (attr.colormap) {
int i, ncells = NCOLOR;
for (i=0; i < ncells; i++) {
color[i].pixel = i;
color[i].pad = 0;
}
last_set = now;
root_cmap = attr.colormap;
XQueryColors(dpy, root_cmap, color, ncells);
for (i=0; i < ncells; i++) {
unsigned int red, green, blue;
/* strip out highest 8 bits of values: */
red = (color[i].red & 0xff00) >> 8;
green = (color[i].green & 0xff00) >> 8;
blue = (color[i].blue & 0xff00) >> 8;
/*
* the maxes should be at 255 already,
* but just in case...
*/
red = (main_red_max * red )/255;
green = (main_green_max * green)/255;
blue = (main_blue_max * blue )/255;
/* shift them over and or together for value */
red = red << main_red_shift;
green = green << main_green_shift;
blue = blue << main_blue_shift;
/* store it in the array to be used later */
root_rgb[i] = red | green | blue;
}
}
X_UNLOCK;
}
}
/* fixed size array. Will primarily hold visible 8bpp windows */
#define MAX_8BPP_WINDOWS 64
static window8bpp_t windows_8bpp[MAX_8BPP_WINDOWS];
static int db24 = 0;
static int xgetimage_8to24 = 1;
static double poll_8to24_delay = POLL_8TO24_DELAY;
static double cache_win = 0.0;
static int level2_8to24 = 0;
static int check_pointer_in_depth24(void) {
int tries = 0, in_24 = 0;
XWindowAttributes attr;
Window c, w;
double now = dnow();
c = window;
if (now > last_keyboard_time + 1.0 && now > last_pointer_time + 1.0) {
return 0;
}
X_LOCK;
while (c && tries++ < 3) {
c = query_pointer(c);
if (valid_window(c, &attr, 1)) {
if (attr.depth == 24) {
in_24 = 1;
break;
}
}
}
X_UNLOCK;
if (in_24) {
int x1, y1, x2, y2;
X_LOCK;
xtranslate(c, window, 0, 0, &x1, &y1, &w, 1);
X_UNLOCK;
x2 = x1 + attr.width;
y2 = y1 + attr.height;
x1 = nfix(x1, dpy_x);
y1 = nfix(y1, dpy_y);
x2 = nfix(x2, dpy_x+1);
y2 = nfix(y2, dpy_y+1);
mark_rect_as_modified(x1, y1, x2, y2, 0);
if (db24 > 1) fprintf(stderr, "check_pointer_in_depth24 %d %d %d %d\n", x1, y1, x2, y2);
return 1;
}
return 0;
}
static void parse_cmap8to24(void) {
if (cmap8to24_str) {
char *p, *str = strdup(cmap8to24_str);
p = strtok(str, ",");
/* defaults: */
db24 = 0;
xgetimage_8to24 = 1;
poll_8to24_delay = POLL_8TO24_DELAY;
level2_8to24 = 0;
cache_win = 0.0;
while (p) {
if (strstr(p, "dbg=") == p) {
db24 = atoi(p + strlen("dbg="));
} else if (strstr(p, "poll=") == p) {
poll_8to24_delay = atof(p + strlen("poll="));
} else if (strstr(p, "cachewin=") == p) {
cache_win = atof(p + strlen("cachewin="));
} else if (!strcmp(p, "nogetimage")) {
xgetimage_8to24 = 0;
} else if (!strcmp(p, "level2")) {
level2_8to24 = 1;
}
p = strtok(NULL, ",");
}
free(str);
} else {
if (getenv("DEBUG_8TO24") != NULL) {
db24 = atoi(getenv("DEBUG_8TO24"));
}
if (getenv("NOXGETIMAGE_8TO24") != NULL) {
xgetimage_8to24 = 0;
}
}
}
static char *poll8_fb = NULL, *poll24_fb = NULL;
static int poll8_fb_w = 0, poll8_fb_h = 0;
static int poll24_fb_w = 0, poll24_fb_h = 0;
static void pfb(int fac, char **fb, int *w, int *h) {
if (! *fb || *w != dpy_x || *h != dpy_y) {
if (*fb) {
free(*fb);
}
*fb = (char *) calloc(fac * dpy_x * dpy_y, 1);
*w = dpy_x;
*h = dpy_y;
}
}
static void set_poll_fb(void) {
/* create polling framebuffers or recreate if too small. */
if (! xgetimage_8to24) {
return; /* this saves a bit of RAM */
}
pfb(4, &poll24_fb, &poll24_fb_w, &poll24_fb_h);
pfb(1, &poll8_fb, &poll8_fb_w, &poll8_fb_h);
}
int MV_glob = 0;
int MV_count;
int MV_hit;
double MV_start;
void check_for_multivis(void) {
XWindowAttributes attr;
int doall = 0;
int k, i, cnt, diff;
static int first = 1;
static Window *stack_old = NULL;
static int stack_old_len = 0;
static double last_parse = 0.0;
static double last_update = 0.0;
static double last_clear = 0.0;
static double last_poll = 0.0;
static double last_fixup = 0.0;
static double last_call = 0.0;
static double last_query = 0.0;
double now = dnow();
double delay;
if (now > last_parse + 1.0) {
last_parse = now;
parse_cmap8to24();
}
if (db24 > 2) fprintf(stderr, " check_for_multivis: %.4f\n", now - last_call);
last_call = now;
if (first) {
int i;
/* initialize 8bpp window table: */
for (i=0; i < MAX_8BPP_WINDOWS; i++) {
windows_8bpp[i].win = None;
windows_8bpp[i].top = None;
windows_8bpp[i].map_state = IsUnmapped;
windows_8bpp[i].cmap = (Colormap) 0;
windows_8bpp[i].fetched = 0;
windows_8bpp[i].last_fetched = -1.0;
windows_8bpp[i].clip_region = NULL;
}
set_poll_fb();
first = 0;
doall = 1; /* fetch everything first time */
}
if (wireframe_in_progress) {
return;
}
set_root_cmap();
/*
* allocate an "old stack" list of all toplevels. we compare
* this to the current stack to guess stacking order changes.
*/
if (!stack_old || stack_old_len < stack_list_len) {
int n = stack_list_len;
if (n < 256) {
n = 256;
}
if (stack_old) {
free(stack_old);
}
stack_old = (Window *) malloc(n*sizeof(Window));
stack_old_len = n;
}
/* fill the old stack with visible windows: */
cnt = 0;
for (k=0; k < stack_list_num; k++) {
if (stack_list[k].valid &&
stack_list[k].map_state == IsViewable) {
stack_old[cnt++] = stack_list[k].win;
}
}
/* snapshot + update the current stacking order: */
/* TUNABLE */
if (poll_8to24_delay >= POLL_8TO24_DELAY) {
delay = 3.0 * poll_8to24_delay;
} else {
delay = 3.0 * POLL_8TO24_DELAY; /* 0.15 */
}
if (doall || now > last_update + delay) {
snapshot_stack_list(0, 0.0);
update_stack_list();
last_update = now;
}
/* look for differences in the visible toplevels: */
diff = 0;
cnt = 0;
for (k=0; k < stack_list_num; k++) {
if (stack_list[k].valid && stack_list[k].map_state ==
IsViewable) {
if (stack_old[cnt] != stack_list[k].win) {
diff = 1;
break;
}
cnt++;
}
}
multivis_count = 0;
multivis_24count = 0;
/*
* every 10 seconds we try to clean out and also refresh the window
* info in the the 8bpp window table:
*/
if (now > last_clear + 10) {
last_clear = now;
X_LOCK;
for (i=0; i < MAX_8BPP_WINDOWS; i++) {
Window w = windows_8bpp[i].win;
if (! valid_window(w, &attr, 1)) {
/* catch windows that went away: */
windows_8bpp[i].win = None;
windows_8bpp[i].top = None;
windows_8bpp[i].map_state = IsUnmapped;
windows_8bpp[i].cmap = (Colormap) 0;
windows_8bpp[i].fetched = 0;
windows_8bpp[i].last_fetched = -1.0;
}
}
X_UNLOCK;
}
MV_count = 0;
MV_hit = 0;
MV_start = dnow();
set_root_cmap();
/* loop over all toplevels, both 8 and 24 depths: */
X_LOCK; /* a giant lock around the whole activity */
for (k=0; k < stack_list_num; k++) {
Window r, parent;
Window *list0;
Status rc;
unsigned int nc0;
int i1;
XErrorHandler old_handler;
double delay;
Window win = stack_list[k].win;
/* TUNABLE */
if (poll_8to24_delay >= POLL_8TO24_DELAY) {
delay = 1.5 * poll_8to24_delay;
} else {
delay = 1.5 * POLL_8TO24_DELAY; /* 0.075 */
}
if (now < last_query + delay) {
break;
}
if (win == None) {
continue;
}
if (stack_list[k].map_state != IsViewable) {
int i;
/*
* if the toplevel became unmapped, mark it
* for the children as well...
*/
for (i=0; i < MAX_8BPP_WINDOWS; i++) {
if (windows_8bpp[i].top == win) {
windows_8bpp[i].map_state =
stack_list[k].map_state;
}
}
}
if (check_depth(win, win, doall)) {
/*
* returns 1 if no need to recurse down e.g. It
* is 8bpp and we assume all lower one are too.
*/
continue;
}
/* we recurse up to two levels down from stack_list windows */
old_handler = XSetErrorHandler(trap_xerror);
trapped_xerror = 0;
rc = XQueryTree(dpy, win, &r, &parent, &list0, &nc0);
XSetErrorHandler(old_handler);
if (! rc || trapped_xerror) {
trapped_xerror = 0;
continue;
}
trapped_xerror = 0;
/* loop over grandchildren of rootwin: */
for (i1=0; i1 < (int) nc0; i1++) {
Window win1 = list0[i1];
Window *list1;
unsigned int nc1;
int i2;
if (check_depth(win1, win, doall)) {
continue;
}
if (level2_8to24) {
continue;
}
old_handler = XSetErrorHandler(trap_xerror);
trapped_xerror = 0;
rc = XQueryTree(dpy, win1, &r, &parent, &list1, &nc1);
XSetErrorHandler(old_handler);
if (! rc || trapped_xerror) {
trapped_xerror = 0;
continue;
}
trapped_xerror = 0;
/* loop over great-grandchildren of rootwin: */
for (i2=0; i2< (int) nc1; i2++) {
Window win2 = list1[i2];
if (check_depth(win2, win, doall)) {
continue;
}
/* more? Which wm does this? */
}
if (nc1) {
XFree(list1);
}
}
if (nc0) {
XFree(list0);
}
}
X_UNLOCK;
last_query = dnow();
MV_glob += MV_count;
if (0) fprintf(stderr, "MV_count: %d hit: %d %.4f %10.2f\n", MV_count, MV_hit, last_query - MV_start, MV_glob / (last_query - x11vnc_start));
if (screen_fixup_8 > 0.0 && now > last_fixup + screen_fixup_8) {
last_fixup = now;
mark_8bpp(MARK_8BPP_ALL);
last_poll = now;
} else if (poll_8to24_delay > 0.0) {
int area = -1;
int validate = 0;
if (diff && multivis_count) {
validate = 1;
}
if (now > last_poll + poll_8to24_delay) {
sraRegionPtr mod;
last_poll = now;
mod = sraRgnCreate();
area = poll_8bpp(mod, validate);
if (depth == 24) {
poll_8bpp_complement(mod);
}
mark_rgn_rects(mod);
sraRgnDestroy(mod);
}
if (0 && area < dpy_x * dpy_y / 2 && diff && multivis_count) {
mark_8bpp(MARK_8BPP_POINTER);
last_poll = now;
}
} else if (diff && multivis_count) {
mark_8bpp(MARK_8BPP_ALL);
last_poll = now;
} else if (depth == 8 && multivis_24count) {
static double last_check = 0.0;
if (now > last_check + 0.4) {
last_check = now;
if (check_pointer_in_depth24()) {
last_poll = now;
}
}
}
if (0) fprintf(stderr, "done: %.4f\n", dnow() - last_query);
}
#define VW_CACHE_MAX 1024
static XWindowAttributes vw_cache_attr[VW_CACHE_MAX];
static Window vw_cache_win[VW_CACHE_MAX];
static void set_attr(XWindowAttributes *attr, int j) {
memcpy((void *) (vw_cache_attr+j), (void *) attr,
sizeof(XWindowAttributes));
}
#if 0
static int get_attr(XWindowAttributes *attr, int j) {
memcpy((void *) attr, (void *) (vw_cache_attr+j),
sizeof(XWindowAttributes));
return 1;
}
#endif
static XWindowAttributes wattr;
static XWindowAttributes *vw_lookup(Window win) {
static double last_purge = 0.0;
double now;
int i, j, k;
if (win == None) {
return NULL;
}
now = dnow();
if (now > last_purge + cache_win) {
last_purge = now;
for (i=0; i<VW_CACHE_MAX; i++) {
vw_cache_win[i] = None;
}
}
j = -1;
k = -1;
for (i=0; i<VW_CACHE_MAX; i++) {
if (vw_cache_win[i] == win) {
j = i;
break;
} else if (vw_cache_win[i] == None) {
k = i;
break;
}
}
if (j >= 0) {
MV_hit++;
return vw_cache_attr+j;
} else if (k >= 0) {
XWindowAttributes attr2;
int rc = valid_window(win, &attr2, 1);
if (rc) {
vw_cache_win[k] = win;
set_attr(&attr2, k);
return vw_cache_attr+k;
} else {
return NULL;
}
} else {
/* Full */
int rc = valid_window(win, &wattr, 1);
if (rc) {
return &wattr;
} else {
return NULL;
}
}
}
static int check_depth(Window win, Window top, int doall) {
XWindowAttributes attr, *pattr;
/* first see if it is (still) a valid window: */
MV_count++;
if (cache_win > 0.0) {
pattr = vw_lookup(win);
if (pattr == NULL) {
return 1; /* indicate done */
}
} else {
if (! valid_window(win, &attr, 1)) {
return 1; /* indicate done */
}
pattr = &attr;
}
if (! doall && pattr->map_state != IsViewable) {
/*
* store results anyway... this may lead to table
* filling up, but currently this allows us to update
* state of onetime mapped windows.
*/
check_depth_win(win, top, pattr);
return 1; /* indicate done */
} else if (check_depth_win(win, top, pattr)) {
return 1; /* indicate done */
} else {
return 0; /* indicate not done */
}
}
static int check_depth_win(Window win, Window top, XWindowAttributes *attr) {
int store_it = 0;
/*
* only store windows with depth not equal to the default visual's
* depth note some windows can have depth == 0 ... (skip them).
*/
if (attr->depth > 0) {
if (depth == 24 && attr->depth != 24) {
store_it = 1;
} else if (depth == 8 && root_cmap && attr->colormap !=
root_cmap) {
store_it = 1;
}
}
if (store_it) {
int i, j = -1, none = -1, nomap = -1;
int new = 0;
if (attr->map_state == IsViewable) {
/* count the visible ones: */
multivis_count++;
if (attr->depth == 24) {
multivis_24count++;
}
if (db24 > 1) fprintf(stderr, "multivis: 0x%lx %d\n", win, attr->depth);
}
/* try to find a table slot for this window: */
for (i=0; i < MAX_8BPP_WINDOWS; i++) {
if (none < 0 && windows_8bpp[i].win == None) {
/* found first None */
none = i;
}
if (windows_8bpp[i].win == win) {
/* found myself */
j = i;
break;
}
if (nomap < 0 && windows_8bpp[i].win != None &&
windows_8bpp[i].map_state != IsViewable) {
/* found first unmapped */
nomap = i;
}
}
if (j < 0) {
if (attr->map_state != IsViewable) {
/* no slot and not visible: not worth keeping */
return 1;
} else if (none >= 0) {
/* put it in the first None slot */
j = none;
new = 1;
} else if (nomap >=0) {
/* put it in the first unmapped slot */
j = nomap;
}
/* otherwise we cannot store it... */
}
if (db24 > 1) fprintf(stderr, "multivis: 0x%lx ms: %d j: %d no: %d nm: %d dep=%d\n", win, attr->map_state, j, none, nomap, attr->depth);
/* store if if we found a slot j: */
if (j >= 0) {
Window w;
int x, y;
int now_vis = 0;
if (attr->map_state == IsViewable &&
windows_8bpp[j].map_state != IsViewable) {
now_vis = 1;
}
if (db24 > 1) fprintf(stderr, "multivis: STORE 0x%lx j: %3d ms: %d dep=%d\n", win, j, attr->map_state, attr->depth);
windows_8bpp[j].win = win;
windows_8bpp[j].top = top;
windows_8bpp[j].depth = attr->depth;
windows_8bpp[j].map_state = attr->map_state;
windows_8bpp[j].cmap = attr->colormap;
windows_8bpp[j].map_installed = attr->map_installed;
windows_8bpp[j].w = attr->width;
windows_8bpp[j].h = attr->height;
windows_8bpp[j].fetched = 1;
windows_8bpp[j].last_fetched = dnow();
/* translate x y to be WRT the root window (not parent) */
xtranslate(win, window, 0, 0, &x, &y, &w, 1);
windows_8bpp[j].x = x;
windows_8bpp[j].y = y;
if (new || now_vis) {
if (db24) fprintf(stderr, "new/now_vis: 0x%lx %d/%d\n", win, new, now_vis);
/* mark it immediately if a new one: */
X_UNLOCK; /* dont forget the giant lock */
mark_rect_as_modified(x, y, x + attr->width,
y + attr->height, 0);
X_LOCK;
}
} else {
/*
* Error: could not find a slot.
* perhaps keep age and expire old ones??
*/
if (db24) fprintf(stderr, "multivis: CANNOT STORE 0x%lx j=%d\n", win, j);
for (i=0; i < MAX_8BPP_WINDOWS; i++) {
if (db24 > 1) fprintf(stderr, " ------------ 0x%lx i=%d\n", windows_8bpp[i].win, i);
}
}
return 1;
}
return 0;
}
static XImage *p_xi(XImage *xi, Visual *visual, int win_depth, int *w) {
if (xi == NULL || *w < dpy_x) {
char *d;
if (xi) {
XDestroyImage(xi);
}
if (win_depth == 8) {
d = (char *) malloc(dpy_x * 1);
} else {
d = (char *) malloc(dpy_x * 4);
}
*w = dpy_x;
xi = XCreateImage(dpy, visual, win_depth, ZPixmap, 0, d,
dpy_x, 1, 8, 0);
}
return xi;
}
static int poll_line(int x1, int x2, int y1, int n, sraRegionPtr mod) {
int fac, n_off, w, xo, yo;
char *poll_fb, *dst, *src;
int w2, xl, xh, stride = 32;
int inrun = 0, rx1 = -1, rx2 = -1;
static XImage *xi8 = NULL, *xi24 = NULL, *xi_r;
static int xi8_w = 0, xi24_w = 0;
XErrorHandler old_handler = NULL;
XImage *xi;
Window c, win = windows_8bpp[n].win;
static XWindowAttributes attr;
static Window last_win = None;
static double last_time = 0.0;
double now;
sraRegionPtr rect;
int mx1, mx2, my1, my2;
int ns = NSCAN/2;
if (win == None) {
return 1;
}
if (windows_8bpp[n].map_state != IsViewable) {
return 1;
}
if (! xgetimage_8to24) {
return 1;
}
X_LOCK;
now = dnow();
if (last_win != None && win == last_win && now < last_time + 0.5) {
; /* use previous attr */
} else {
if (! valid_window(win, &attr, 1)) {
X_UNLOCK;
last_win = None;
return 0;
}
last_time = now;
last_win = win;
}
if (attr.depth != 8 && attr.depth != 24) {
X_UNLOCK;
return 1;
} else if (attr.depth == 8) {
xi = xi8 = p_xi(xi8, attr.visual, 8, &xi8_w);
poll_fb = poll8_fb;
fac = 1;
n_off = poll8_fb_w * y1 + x1;
} else {
xi = xi24 = p_xi(xi24, attr.visual, 24, &xi24_w);
poll_fb = poll24_fb;
fac = 4;
n_off = poll24_fb_w * y1 + x1;
}
old_handler = XSetErrorHandler(trap_xerror);
trapped_xerror = 0;
/* xtranslate() not used to save two XSetErrorHandler calls */
XTranslateCoordinates(dpy, win, window, 0, 0, &xo, &yo, &c);
xo = x1 - xo;
yo = y1 - yo;
w = x2 - x1;
if (trapped_xerror || xo < 0 || yo < 0 || xo + w > attr.width) {
if (db24 > 2) fprintf(stderr, "avoid bad match...\n");
XSetErrorHandler(old_handler);
trapped_xerror = 0;
X_UNLOCK;
return 0;
}
trapped_xerror = 0;
xi_r = XGetSubImage(dpy, win, xo, yo, w, 1, AllPlanes, ZPixmap, xi,
0, 0);
XSetErrorHandler(old_handler);
X_UNLOCK;
if (! xi_r || trapped_xerror) {
trapped_xerror = 0;
return 0;
}
trapped_xerror = 0;
src = xi->data;
dst = poll_fb + fac * n_off;
inrun = 0;
xl = x1;
while (xl < x2) {
xh = xl + stride;
if (xh > x2) {
xh = x2;
}
w2 = xh - xl;
if (memcmp(dst, src, fac * w2)) {
if (inrun) {
rx2 = xh;
} else {
rx1 = xl;
rx2 = xh;
inrun = 1;
}
} else {
if (inrun) {
mx1 = rx1;
mx2 = rx2;
my1 = nfix(y1 - ns, dpy_y);
my2 = nfix(y1 + ns, dpy_y+1);
rect = sraRgnCreateRect(mx1, my1, mx2, my2);
sraRgnOr(mod, rect);
sraRgnDestroy(rect);
inrun = 0;
}
}
xl += stride;
dst += fac * stride;
src += fac * stride;
}
if (inrun) {
mx1 = rx1;
mx2 = rx2;
my1 = nfix(y1 - ns, dpy_y);
my2 = nfix(y1 + ns, dpy_y+1);
rect = sraRgnCreateRect(mx1, my1, mx2, my2);
sraRgnOr(mod, rect);
sraRgnDestroy(rect);
}
return 1;
}
static void poll_line_complement(int x1, int x2, int y1, sraRegionPtr mod) {
int n_off, w, xl, xh, stride = 32;
char *dst, *src;
int inrun = 0, rx1 = -1, rx2 = -1;
sraRegionPtr rect;
int mx1, mx2, my1, my2;
int ns = NSCAN/2;
if (depth != 24) {
return;
}
if (! cmap8to24_fb) {
return;
}
if (! xgetimage_8to24) {
return;
}
n_off = main_bytes_per_line * y1 + 4 * x1;
src = main_fb + n_off;
dst = cmap8to24_fb + n_off;
inrun = 0;
xl = x1;
while (xl < x2) {
xh = xl + stride;
if (xh > x2) {
xh = x2;
}
w = xh - xl;
if (memcmp(dst, src, 4 * w)) {
if (inrun) {
rx2 = xh;
} else {
rx1 = xl;
rx2 = xh;
inrun = 1;
}
} else {
if (inrun) {
mx1 = rx1;
mx2 = rx2;
my1 = nfix(y1 - ns, dpy_y);
my2 = nfix(y1 + ns, dpy_y+1);
rect = sraRgnCreateRect(mx1, my1, mx2, my2);
sraRgnOr(mod, rect);
sraRgnDestroy(rect);
inrun = 0;
}
}
xl += stride;
dst += 4 * stride;
src += 4 * stride;
}
if (inrun) {
mx1 = rx1;
mx2 = rx2;
my1 = nfix(y1 - ns, dpy_y);
my2 = nfix(y1 + ns, dpy_y+1);
rect = sraRgnCreateRect(mx1, my1, mx2, my2);
sraRgnOr(mod, rect);
sraRgnDestroy(rect);
inrun = 0;
}
}
#define CMAPMAX 64
static Colormap cmaps[CMAPMAX];
static int ncmaps;
static int poll_8bpp(sraRegionPtr mod, int validate) {
int i, y, ysh, map_count;
static int ycnt = 0;
sraRegionPtr line;
sraRect rect;
sraRectangleIterator *iter;
int br = 0, area = 0;
static double last_call = 0.0;
map_count = get_8bpp_regions(validate);
if (db24 > 1) fprintf(stderr, "poll_8bpp mc: %d\n", map_count);
if (! map_count) {
return 0;
}
set_poll_fb();
ysh = scanlines[(ycnt++) % NSCAN];
if (db24 > 2) fprintf(stderr, "poll_8bpp: ysh: %2d %.4f\n", ysh, dnow() - last_call);
last_call = dnow();
for (i=0; i < MAX_8BPP_WINDOWS; i++) {
sraRegionPtr reg = windows_8bpp[i].clip_region;
if (! reg || sraRgnEmpty(reg)) {
continue;
}
y = ysh;
while (y < dpy_y) {
line = sraRgnCreateRect(0, y, dpy_x, y+1);
if (sraRgnAnd(line, reg)) {
iter = sraRgnGetIterator(line);
while (sraRgnIteratorNext(iter, &rect)) {
if (! poll_line(rect.x1, rect.x2,
rect.y1, i, mod)) {
br = 1;
break; /* exception */
}
}
sraRgnReleaseIterator(iter);
}
sraRgnDestroy(line);
y += NSCAN;
if (br) break;
}
if (br) break;
}
iter = sraRgnGetIterator(mod);
while (sraRgnIteratorNext(iter, &rect)) {
area += nabs((rect.x2 - rect.x1)*(rect.y2 - rect.y1));
}
sraRgnReleaseIterator(iter);
return area;
}
static void poll_8bpp_complement(sraRegionPtr mod) {
int i, y, ysh;
static int ycnt = 0;
sraRegionPtr disp, line;
sraRect rect;
sraRectangleIterator *iter;
disp = sraRgnCreateRect(0, 0, dpy_x, dpy_y);
ysh = scanlines[(ycnt++) % NSCAN];
for (i=0; i < MAX_8BPP_WINDOWS; i++) {
sraRegionPtr reg = windows_8bpp[i].clip_region;
if (! reg) {
continue;
}
if (windows_8bpp[i].map_state != IsViewable) {
continue;
}
sraRgnSubtract(disp, reg);
}
y = ysh;
while (y < dpy_y) {
line = sraRgnCreateRect(0, y, dpy_x, y+1);
if (sraRgnAnd(line, disp)) {
iter = sraRgnGetIterator(line);
while (sraRgnIteratorNext(iter, &rect)) {
poll_line_complement(rect.x1, rect.x2,
rect.y1, mod);
}
sraRgnReleaseIterator(iter);
}
sraRgnDestroy(line);
y += NSCAN;
}
sraRgnDestroy(disp);
}
static void mark_rgn_rects(sraRegionPtr mod) {
sraRect rect;
sraRectangleIterator *iter;
int area = 0;
if (sraRgnEmpty(mod)) {
return;
}
iter = sraRgnGetIterator(mod);
while (sraRgnIteratorNext(iter, &rect)) {
mark_rect_as_modified(rect.x1, rect.y1, rect.x2, rect.y2, 0);
area += nabs((rect.x2 - rect.x1)*(rect.y2 - rect.y1));
}
sraRgnReleaseIterator(iter);
if (db24 > 1) fprintf(stderr, " mark_rgn_rects area: %d\n", area);
}
static int get_8bpp_regions(int validate) {
XWindowAttributes attr;
int i, k, mapcount = 0;
/* initialize color map list */
ncmaps = 0;
for (i=0; i < CMAPMAX; i++) {
cmaps[i] = (Colormap) 0;
}
/* loop over the table of 8bpp windows: */
for (i=0; i < MAX_8BPP_WINDOWS; i++) {
sraRegionPtr tmp_reg, tmp_reg2;
Window c, w = windows_8bpp[i].win;
int x, y;
if (windows_8bpp[i].clip_region) {
sraRgnDestroy(windows_8bpp[i].clip_region);
}
windows_8bpp[i].clip_region = NULL;
if (w == None) {
continue;
}
if (db24 > 1) fprintf(stderr, "get_8bpp_regions: 0x%lx ms=%d dep=%d i=%d\n", w, windows_8bpp[i].map_state, windows_8bpp[i].depth, i);
if (validate) {
/*
* this could be slow: validating 8bpp windows each
* time...
*/
X_LOCK;
if (! valid_window(w, &attr, 1)) {
X_UNLOCK;
windows_8bpp[i].win = None;
windows_8bpp[i].top = None;
windows_8bpp[i].map_state = IsUnmapped;
windows_8bpp[i].cmap = (Colormap) 0;
windows_8bpp[i].fetched = 0;
windows_8bpp[i].last_fetched = -1.0;
continue;
}
X_UNLOCK;
windows_8bpp[i].depth = attr.depth;
windows_8bpp[i].map_state = attr.map_state;
windows_8bpp[i].cmap = attr.colormap;
windows_8bpp[i].map_installed = attr.map_installed;
windows_8bpp[i].w = attr.width;
windows_8bpp[i].h = attr.height;
windows_8bpp[i].fetched = 1;
windows_8bpp[i].last_fetched = dnow();
if (attr.map_state != IsViewable) {
continue;
}
X_LOCK;
xtranslate(w, window, 0, 0, &x, &y, &c, 1);
X_UNLOCK;
windows_8bpp[i].x = x;
windows_8bpp[i].y = y;
} else {
/* this will be faster: no call to X server: */
if (windows_8bpp[i].map_state != IsViewable) {
continue;
}
attr.depth = windows_8bpp[i].depth;
attr.map_state = windows_8bpp[i].map_state;
attr.colormap = windows_8bpp[i].cmap;
attr.map_installed = windows_8bpp[i].map_installed;
attr.width = windows_8bpp[i].w;
attr.height = windows_8bpp[i].h;
x = windows_8bpp[i].x;
y = windows_8bpp[i].y;
}
mapcount++;
/* tmp region for this 8bpp rectangle: */
tmp_reg = sraRgnCreateRect(nfix(x, dpy_x), nfix(y, dpy_y),
nfix(x + attr.width, dpy_x+1), nfix(y + attr.height, dpy_y+1));
/* loop over all toplevels, top to bottom clipping: */
for (k = stack_list_num - 1; k >= 0; k--) {
Window swin = stack_list[k].win;
int sx, sy, sw, sh;
if (db24 > 1 && stack_list[k].map_state == IsViewable) fprintf(stderr, "Stack win: 0x%lx %d iv=%d\n", swin, k, stack_list[k].map_state);
if (swin == windows_8bpp[i].top) {
/* found our top level: we skip the rest. */
if (db24 > 1) fprintf(stderr, "found top: 0x%lx %d iv=%d\n", swin, k, stack_list[k].map_state);
break;
}
if (stack_list[k].map_state != IsViewable) {
/* skip unmapped ones: */
continue;
}
/* make a temp rect for this toplevel: */
sx = stack_list[k].x;
sy = stack_list[k].y;
sw = stack_list[k].width;
sh = stack_list[k].height;
if (db24 > 1) fprintf(stderr, "subtract: 0x%lx %d -- %d %d %d %d\n", swin, k, sx, sy, sw, sh);
tmp_reg2 = sraRgnCreateRect(nfix(sx, dpy_x),
nfix(sy, dpy_y), nfix(sx + sw, dpy_x+1),
nfix(sy + sh, dpy_y+1));
/* subtract it from the 8bpp window region */
sraRgnSubtract(tmp_reg, tmp_reg2);
sraRgnDestroy(tmp_reg2);
if (sraRgnEmpty(tmp_reg)) {
break;
}
}
if (sraRgnEmpty(tmp_reg)) {
/* skip this 8bpp if completely clipped away: */
sraRgnDestroy(tmp_reg);
continue;
}
/* otherwise, store any new colormaps: */
if (ncmaps < CMAPMAX && attr.colormap != (Colormap) 0) {
int m, seen = 0;
for (m=0; m < ncmaps; m++) {
if (cmaps[m] == attr.colormap) {
seen = 1;
break;
}
}
if (! seen && attr.depth == 8) {
/* store only new ones: */
cmaps[ncmaps++] = attr.colormap;
}
}
windows_8bpp[i].clip_region = tmp_reg;
}
return mapcount;
}
static XColor color[CMAPMAX][NCOLOR];
static unsigned int rgb[CMAPMAX][NCOLOR];
static int cmap_failed[CMAPMAX];
int histo[256];
static int get_cmap(int j, Colormap cmap) {
int i, ncells;
XErrorHandler old_handler = NULL;
if (0) {
/* not working properly for depth 24... */
X_LOCK;
ncells = CellsOfScreen(ScreenOfDisplay(dpy, scr));
X_UNLOCK;
} else {
ncells = NCOLOR;
}
if (db24 > 1) fprintf(stderr, "get_cmap: %d 0x%x\n", j, (unsigned int) cmap);
/* ncells should "always" be 256. */
if (ncells > NCOLOR) {
ncells = NCOLOR;
} else if (ncells == 8) {
/* hmmm. see set_colormap() */
ncells = NCOLOR;
}
/* initialize XColor array: */
for (i=0; i < ncells; i++) {
color[j][i].pixel = i;
color[j][i].pad = 0;
}
/* try to query the colormap, trap errors */
X_LOCK;
trapped_xerror = 0;
old_handler = XSetErrorHandler(trap_xerror);
XQueryColors(dpy, cmap, color[j], ncells);
XSetErrorHandler(old_handler);
X_UNLOCK;
if (trapped_xerror) {
trapped_xerror = 0;
return 0;
}
trapped_xerror = 0;
/* now map each index to depth 24 RGB */
for (i=0; i < ncells; i++) {
unsigned int red, green, blue;
/* strip out highest 8 bits of values: */
red = (color[j][i].red & 0xff00) >> 8;
green = (color[j][i].green & 0xff00) >> 8;
blue = (color[j][i].blue & 0xff00) >> 8;
/*
* the maxes should be at 255 already,
* but just in case...
*/
red = (main_red_max * red )/255;
green = (main_green_max * green)/255;
blue = (main_blue_max * blue )/255;
if (db24 > 2) fprintf(stderr, " cmap[%02d][%03d]: %03d %03d %03d 0x%08x \n", j, i, red, green, blue, ( red << main_red_shift | green << main_green_shift | blue << main_blue_shift));
/* shift them over and or together for value */
red = red << main_red_shift;
green = green << main_green_shift;
blue = blue << main_blue_shift;
/* store it in the array to be used later */
rgb[j][i] = red | green | blue;
}
return 1;
}
static void do_8bpp_region(int n, sraRegionPtr mark) {
int k, cm = -1, failed = 0;
sraRectangleIterator *iter;
sraRegionPtr clip;
sraRect rect;
if (! windows_8bpp[n].clip_region) {
return;
}
if (windows_8bpp[n].win == None) {
return;
}
if (windows_8bpp[n].map_state != IsViewable) {
return;
}
if (db24 > 1) fprintf(stderr, "ncmaps: %d\n", ncmaps);
/* see if XQueryColors failed: */
for (k=0; k<ncmaps; k++) {
if (windows_8bpp[n].cmap == cmaps[k]) {
cm = k;
if (cmap_failed[k]) {
failed = 1;
}
break;
}
}
if (windows_8bpp[n].depth == 8) { /* 24 won't have a cmap */
if (failed || cm == -1) {
return;
}
}
clip = sraRgnCreateRgn(mark);
sraRgnAnd(clip, windows_8bpp[n].clip_region);
/* loop over the rectangles making up region */
iter = sraRgnGetIterator(clip);
while (sraRgnIteratorNext(iter, &rect)) {
if (rect.x1 > rect.x2) {
int tmp = rect.x2;
rect.x2 = rect.x1;
rect.x1 = tmp;
}
if (rect.y1 > rect.y2) {
int tmp = rect.y2;
rect.y2 = rect.y1;
rect.y1 = tmp;
}
transform_rect(rect, windows_8bpp[n].win,
windows_8bpp[n].depth, cm);
}
sraRgnReleaseIterator(iter);
sraRgnDestroy(clip);
}
static XImage *cmap_xi(XImage *xi, Window win, int win_depth) {
XWindowAttributes attr;
char *d;
if (xi) {
XDestroyImage(xi);
}
if (! valid_window(win, &attr, 1)) {
return (XImage *) NULL;
}
if (attr.depth != win_depth) {
return (XImage *) NULL;
} else if (win_depth == 8) {
d = (char *) malloc(dpy_x * dpy_y * 1);
} else if (win_depth == 24) {
d = (char *) malloc(dpy_x * dpy_y * 4);
} else {
return (XImage *) NULL;
}
return XCreateImage(dpy, attr.visual, win_depth, ZPixmap, 0, d, dpy_x,
dpy_y, 8, 0);
}
static void transform_rect(sraRect rect, Window win, int win_depth, int cm) {
char *src, *dst, *poll;
unsigned int *ui;
unsigned char *uc;
int ps, pixelsize = bpp/8;
int poll_Bpl;
int do_getimage = xgetimage_8to24;
int line, n_off, j, h, w;
unsigned int hi, idx;
XWindowAttributes attr;
XErrorHandler old_handler = NULL;
if (db24 > 1) fprintf(stderr, "transform %4d %4d %4d %4d cm: %d\n", rect.x1, rect.y1, rect.x2, rect.y2, cm);
/* now transform the pixels in this rectangle: */
n_off = main_bytes_per_line * rect.y1 + pixelsize * rect.x1;
h = rect.y2 - rect.y1;
w = rect.x2 - rect.x1;
if (depth == 8) {
/* need to fetch depth 24 data. */
do_getimage = 1;
}
#if 0
if (do_getimage) {
X_LOCK;
vw = valid_window(win, &attr, 1);
X_UNLOCK;
}
if (do_getimage && vw) {
#else
if (do_getimage) {
#endif
static XImage *xi_8 = NULL;
static XImage *xi_24 = NULL;
XImage *xi = NULL, *xi_r;
Window c;
unsigned int wu, hu;
int xo, yo;
wu = (unsigned int) w;
hu = (unsigned int) h;
X_LOCK;
#define GETSUBIMAGE
#ifdef GETSUBIMAGE
if (win_depth == 8) {
if (xi_8 == NULL || xi_8->width != dpy_x ||
xi_8->height != dpy_y) {
xi_8 = cmap_xi(xi_8, win, 8);
}
xi = xi_8;
} else if (win_depth == 24) {
if (xi_24 == NULL || xi_24->width != dpy_x ||
xi_24->height != dpy_y) {
xi_24 = cmap_xi(xi_24, win, 24);
}
xi = xi_24;
}
#endif
old_handler = XSetErrorHandler(trap_xerror);
trapped_xerror = 0;
XTranslateCoordinates(dpy, win, window, 0, 0, &xo, &yo, &c);
xo = rect.x1 - xo;
yo = rect.y1 - yo;
if (db24 > 1) fprintf(stderr, "xywh: %d %d %d %d vs. %d %d\n", xo, yo, w, h, attr.width, attr.height);
if (trapped_xerror || xo < 0 || yo < 0) {
/* w > attr.width || h > attr.height */
XSetErrorHandler(old_handler);
X_UNLOCK;
trapped_xerror = 0;
if (db24 > 1) fprintf(stderr, "skipping due to potential bad match...\n");
return;
}
trapped_xerror = 0;
#ifndef GETSUBIMAGE
xi = XGetImage(dpy, win, xo, yo, wu, hu, AllPlanes, ZPixmap);
xi_r = xi;
#else
xi_r = XGetSubImage(dpy, win, xo, yo, wu, hu, AllPlanes,
ZPixmap, xi, 0, 0);
#endif
XSetErrorHandler(old_handler);
X_UNLOCK;
if (! xi_r || trapped_xerror) {
trapped_xerror = 0;
if (db24 > 1) fprintf(stderr, "xi-fail: 0x%p trap=%d %d %d %d %d\n", (void *)xi, trapped_xerror, xo, yo, w, h);
return;
} else {
if (db24 > 1) fprintf(stderr, "xi: 0x%p %d %d %d %d -- %d %d\n", (void *)xi, xo, yo, w, h, xi->width, xi->height);
}
trapped_xerror = 0;
if (xi->depth != 8 && xi->depth != 24) {
#ifndef GETSUBIMAGE
X_LOCK;
XDestroyImage(xi);
X_UNLOCK;
#endif
if (db24) fprintf(stderr, "xi: wrong depth: %d\n", xi->depth);
return;
}
set_poll_fb();
if (xi->depth == 8) {
int ps1, ps2, fac;
if (depth == 8) {
ps1 = 1;
ps2 = 4;
fac = 4;
} else {
ps1 = 1;
ps2 = pixelsize;
fac = 1;
}
src = xi->data;
dst = cmap8to24_fb + fac * n_off;
poll = poll8_fb + poll8_fb_w * rect.y1 + rect.x1;
poll_Bpl = poll8_fb_w * 1;
/* line by line ... */
for (line = 0; line < h; line++) {
/* pixel by pixel... */
for (j = 0; j < w; j++) {
uc = (unsigned char *) (src + ps1 * j);
ui = (unsigned int *) (dst + ps2 * j);
idx = (int) (*uc);
*ui = rgb[cm][idx];
*(poll + ps1 * j) = *uc;
}
src += xi->bytes_per_line;
dst += main_bytes_per_line * fac;
poll += poll_Bpl;
}
} else if (xi->depth == 24) {
/* line by line ... */
int ps1 = 4, fac;
if (depth == 8) {
fac = 4;
} else {
fac = 1; /* will not happen */
}
src = xi->data;
dst = cmap8to24_fb + fac * n_off;
poll = poll24_fb + (poll24_fb_w * rect.y1 + rect.x1)*4;
poll_Bpl = poll24_fb_w * 4;
for (line = 0; line < h; line++) {
memcpy(dst, src, w * ps1);
memcpy(poll, src, w * ps1);
src += xi->bytes_per_line;
dst += main_bytes_per_line * fac;
poll += poll_Bpl;
}
}
#ifndef GETSUBIMAGE
X_LOCK;
XDestroyImage(xi);
X_UNLOCK;
#endif
} else if (! do_getimage) {
int fac;
if (depth == 8) {
/* cooked up depth 24 TrueColor */
/* but currently disabled (high bits no useful?) */
ps = 4;
fac = 4;
src = cmap8to24_fb + 4 * n_off;
} else {
ps = pixelsize;
fac = 1;
src = cmap8to24_fb + n_off;
}
/* line by line ... */
for (line = 0; line < h; line++) {
/* pixel by pixel... */
for (j = 0; j < w; j++) {
/* grab 32 bit value */
ui = (unsigned int *) (src + ps * j);
/* extract top 8 bits (FIXME: masks?) */
hi = (*ui) & 0xff000000;
/* map to lookup index; rewrite pixel */
idx = hi >> 24;
*ui = hi | rgb[cm][idx];
}
src += main_bytes_per_line * fac;
}
}
}
void bpp8to24(int x1, int y1, int x2, int y2) {
char *src, *dst;
unsigned char *uc;
unsigned int *ui;
int idx, pixelsize = bpp/8;
int line, k, i, j, h, w;
int n_off;
sraRegionPtr rect;
int validate = 1;
static int last_map_count = 0, call_count = 0;
static double last_get_8bpp_validate = 0.0;
static double last_snapshot = 0.0;
double now;
double dt, d0 = 0.0, t2;
if (! cmap8to24 || ! cmap8to24_fb) {
/* hmmm, why were we called? */
return;
}
if (db24 > 1) fprintf(stderr, "bpp8to24 %d %d %d %d %.4f\n", x1, y1, x2, y2, dnow() - last_get_8bpp_validate);
call_count++;
/* clip to display just in case: */
x1 = nfix(x1, dpy_x);
y1 = nfix(y1, dpy_y);
x2 = nfix(x2, dpy_x+1);
y2 = nfix(y2, dpy_y+1);
if (wireframe_in_progress) {
/*
* draw_box() manages cmap8to24_fb for us so we get out as
* soon as we can. No need to cp main_fb -> cmap8to24_fb.
*/
return;
}
/* copy from main_fb to cmap8to24_fb regardless of 8bpp windows: */
h = y2 - y1;
w = x2 - x1;
if (depth == 8) {
/* need to cook up to depth 24 TrueColor */
/* pixelsize = 1 */
n_off = main_bytes_per_line * y1 + pixelsize * x1;
src = main_fb + n_off;
dst = cmap8to24_fb + 4 * n_off;
set_root_cmap();
if (root_cmap) {
int ps1 = 1, ps2 = 4;
#if 0
unsigned int hi;
#endif
/* line by line ... */
for (line = 0; line < h; line++) {
/* pixel by pixel... */
for (j = 0; j < w; j++) {
uc = (unsigned char *) (src + ps1 * j);
ui = (unsigned int *) (dst + ps2 * j);
idx = (int) (*uc);
#if 0
if (do_hibits) {
hi = idx << 24;
*ui = hi | rgb[0][idx];
} else {
}
#endif
*ui = root_rgb[idx];
if (db24 > 2) histo[idx]++;
}
src += main_bytes_per_line;
dst += main_bytes_per_line * 4;
}
}
} else if (depth == 24) {
/* pixelsize = 4 */
n_off = main_bytes_per_line * y1 + pixelsize * x1;
src = main_fb + n_off;
dst = cmap8to24_fb + n_off;
/* otherwise, the pixel data as is */
for (line = 0; line < h; line++) {
memcpy(dst, src, w * pixelsize);
src += main_bytes_per_line;
dst += main_bytes_per_line;
}
}
if (last_map_count > MAX_8BPP_WINDOWS/4) {
/* table is filling up... skip validating sometimes: */
int skip = 3;
if (last_map_count > MAX_8BPP_WINDOWS/2) {
skip = 6;
} else if (last_map_count > 3*MAX_8BPP_WINDOWS/4) {
skip = 12;
}
if (call_count % skip != 0) {
validate = 0;
}
}
if (db24 > 2) {for(i=0;i<256;i++){histo[i]=0;}}
now = dnow();
dt = now - last_get_8bpp_validate;
/* TUNABLES */
if (dt < 0.003) {
; /* XXX does this still give painting errors? */
} else {
int snapit = 0;
double delay1, delay2, delay3;
if (poll_8to24_delay >= POLL_8TO24_DELAY) {
delay1 = 1.0 * poll_8to24_delay;
delay2 = 2.0 * poll_8to24_delay;
delay3 = 10. * poll_8to24_delay;
} else {
delay1 = 1.0 * POLL_8TO24_DELAY; /* 0.05 */
delay2 = 2.0 * POLL_8TO24_DELAY; /* 0.1 */
delay3 = 10. * POLL_8TO24_DELAY; /* 0.5 */
}
if (cache_win > 1.0) {
delay2 *= 2;
delay3 *= 2;
}
if (dt < delay1) {
validate = 0;
}
if (last_map_count) {
if (now > last_snapshot + delay2) {
snapit = 1;
}
} else {
if (now > last_snapshot + delay3) {
snapit = 1;
}
}
if (snapit) {
/* less problems if we update the stack frequently */
snapshot_stack_list(0, 0.0);
if (0) fprintf(stderr, "SNAP time: %.4f\n", dnow() - now);
update_stack_list();
last_snapshot = dnow();
if (0) fprintf(stderr, "UPDA time: %.4f\n", last_snapshot - now);
}
if (0) t2 = dnow();
last_map_count = get_8bpp_regions(validate);
if (validate) {
last_get_8bpp_validate = dnow();
}
if (0) fprintf(stderr, "get8bpp-%d: %.4f\n", validate, dnow() - t2);
}
if (db24) d0 = dnow();
if (db24 > 1) fprintf(stderr, "bpp8to24 w=%d h=%d m=%p c=%p r=%p ncmaps=%d\n", w, h, main_fb, cmap8to24_fb, rfb_fb, ncmaps);
/*
* now go back and transform and 8bpp regions to TrueColor in
* cmap8to24_fb.
*/
if (last_map_count && (ncmaps || depth == 8)) {
int i, j;
int win[MAX_8BPP_WINDOWS];
int did[MAX_8BPP_WINDOWS];
int count = 0;
/*
* first, grab all of the associated colormaps from the
* X server. Hopefully just 1 or 2...
*/
for (j=0; j<ncmaps; j++) {
if (! get_cmap(j, cmaps[j])) {
cmap_failed[j] = 1;
} else {
cmap_failed[j] = 0;
}
if (db24 > 2) fprintf(stderr, "cmap %d %.4f\n", (int) cmaps[j], dnow() - d0);
}
for (i=0; i < MAX_8BPP_WINDOWS; i++) {
sraRegionPtr reg = windows_8bpp[i].clip_region;
if (reg) {
rect = sraRgnCreateRect(x1, y1, x2, y2);
if (sraRgnAnd(rect, reg)) {
win[count] = i;
did[count++] = 0;
}
sraRgnDestroy(rect);
}
}
if (count) {
rect = sraRgnCreateRect(x1, y1, x2, y2);
/* try to apply lower windows first */
for (k=0; k < stack_list_num; k++) {
Window swin = stack_list[k].win;
for (j=0; j<count; j++) {
i = win[j];
if (did[j]) {
continue;
}
if (windows_8bpp[i].top == swin) {
do_8bpp_region(i, rect);
did[j] = 1;
break;
}
}
}
for (j=0; j<count; j++) {
if (! did[j]) {
i = win[j];
do_8bpp_region(i, rect);
did[j] = 1;
}
}
sraRgnDestroy(rect);
}
}
if (0) fprintf(stderr, "done time: %.4f\n", dnow() - d0);
if (db24 > 2) {for(i=0; i<256;i++) {fprintf(stderr, " cmap histo[%03d] %d\n", i, histo[i]);}}
}
void mark_8bpp(int mode) {
int i, cnt = 0;
Window top = None;
if (! cmap8to24 || !cmap8to24_fb) {
return;
}
if (mode == MARK_8BPP_TOP) {
int k;
for (k = stack_list_num - 1; k >= 0; k--) {
Window swin = stack_list[k].win;
for (i=0; i < MAX_8BPP_WINDOWS; i++) {
if (windows_8bpp[i].win == None) {
continue;
}
if (windows_8bpp[i].map_state != IsViewable) {
continue;
}
if (swin == windows_8bpp[i].top) {
top = swin;
break;
}
}
if (top != None) {
break;
}
}
}
/* for each mapped 8bpp window, mark it changed: */
for (i=0; i < MAX_8BPP_WINDOWS; i++) {
int x1, y1, x2, y2, w, h, f = 32;
f = 0; /* skip fuzz, may bring in other windows... */
if (windows_8bpp[i].win == None) {
continue;
}
if (mode == MARK_8BPP_TOP) {
if (windows_8bpp[i].top != top) {
continue;
}
}
if (windows_8bpp[i].map_state != IsViewable) {
XWindowAttributes attr;
int vw;
X_LOCK;
vw = valid_window(windows_8bpp[i].win, &attr, 1);
X_UNLOCK;
if (vw) {
if (attr.map_state != IsViewable) {
continue;
}
} else {
continue;
}
}
x1 = windows_8bpp[i].x;
y1 = windows_8bpp[i].y;
w = windows_8bpp[i].w;
h = windows_8bpp[i].h;
x2 = x1 + w;
y2 = y1 + h;
if (mode == MARK_8BPP_POINTER) {
int b = 32; /* apply some fuzz for wm border */
if (cursor_x < x1 - b || cursor_y < y1 - b) {
continue;
}
if (cursor_x > x2 + b || cursor_y > y2 + b) {
continue;
}
}
/* apply fuzz f around each one; constrain to screen */
x1 = nfix(x1 - f, dpy_x);
y1 = nfix(y1 - f, dpy_y);
x2 = nfix(x2 + f, dpy_x+1);
y2 = nfix(y2 + f, dpy_y+1);
if (db24 > 1) fprintf(stderr, "mark_8bpp: 0x%lx %d %d %d %d\n", windows_8bpp[i].win, x1, y1, x2, y2);
mark_rect_as_modified(x1, y1, x2, y2, 0);
cnt++;
}
if (cnt) {
/* push it to viewers if possible. */
rfbPE(-1);
}
}