+add_damage (Display *dpy, XserverRegion damage)
+{
+ pthread_mutex_lock (&damage_lock);
+ if (allDamage)
+ {
+ XFixesUnionRegion (dpy, allDamage, allDamage, damage);
+ XFixesDestroyRegion (dpy, damage);
+ }
+ else
+ allDamage = damage;
+ pthread_mutex_unlock (&damage_lock);
+}
+
+static void
+repair_win (Display *dpy, win *w)
+{
+ XserverRegion parts;
+
+ if (!w->damaged)
+ {
+ parts = win_extents (dpy, w);
+ set_ignore (dpy, NextRequest (dpy));
+ XDamageSubtract (dpy, w->damage, None, None);
+ }
+ else
+ {
+ XserverRegion o;
+ parts = XFixesCreateRegion (dpy, 0, 0);
+ set_ignore (dpy, NextRequest (dpy));
+ XDamageSubtract (dpy, w->damage, None, parts);
+ XFixesTranslateRegion (dpy, parts,
+ w->a.x + w->a.border_width,
+ w->a.y + w->a.border_width);
+ if (compMode == CompServerShadows)
+ {
+ o = XFixesCreateRegion (dpy, 0, 0);
+ XFixesCopyRegion (dpy, o, parts);
+ XFixesTranslateRegion (dpy, o, w->shadow_dx, w->shadow_dy);
+ XFixesUnionRegion (dpy, parts, parts, o);
+ XFixesDestroyRegion (dpy, o);
+ }
+ }
+ if (!w->picture)
+ printf("adding damage 0x%x 0x%x\n", w->id, w->picture);
+ add_damage (dpy, parts);
+ w->damaged = 1;
+}
+
+#if HAS_NAME_WINDOW_PIXMAP
+static void*
+get_pixmap_thread (void *vdata)
+{
+ threaddata *d = vdata;
+ Pixmap pix;
+ Picture pic;
+
+ /* if another thread is already running for this window, then wait for it
+ to exit before start */
+ if (d->prev_thread != 0) {
+ void *ret;
+
+ pthread_join (d->prev_thread, &ret);
+ }
+
+ pix = None;
+ pic = None;
+
+ printf("getting pixmap for 0x%x\n", d->w->id);
+
+ /* this is the slow stuff */
+ XLockDisplay (d->dpy);
+ pix = XCompositeNameWindowPixmap (d->dpy, d->w->id);
+ if (pix) {
+ XRenderPictureAttributes pa;
+ XRenderPictFormat *format;
+
+ format = XRenderFindVisualFormat (d->dpy, d->w->a.visual);
+ pa.subwindow_mode = IncludeInferiors;
+ pic = XRenderCreatePicture (d->dpy, pix,
+ format,
+ CPSubwindowMode,
+ &pa);
+ }
+ XUnlockDisplay (d->dpy);
+
+ /* we're done the slow stuff so lock and set things */
+
+ if (pic) {
+ pthread_mutex_lock (&d->w->pixmap_lock);
+
+ if (d->w->pixmap)
+ {
+ XFreePixmap (dpy, d->w->pixmap);
+ d->w->pixmap = None;
+ }
+
+ if (d->w->picture)
+ {
+ XRenderFreePicture (dpy, d->w->picture);
+ d->w->picture = None;
+ }
+
+ d->w->pixmap = pix;
+ d->w->picture = pic;
+
+ pthread_mutex_unlock (&d->w->pixmap_lock);
+
+ /* make the window redraw */
+ //add_damage(d->dpy, d->extents);
+ /* wake up the main loop */
+ kill(getpid(), SIGURG);
+ }
+
+ free(vdata);
+
+ pthread_mutex_lock (&d->w->pixmap_lock);
+ d->w->pixmap_nthreads--;
+ pthread_mutex_unlock (&d->w->pixmap_lock);
+
+ return NULL;
+}
+#endif
+
+#if HAS_NAME_WINDOW_PIXMAP
+static void
+start_get_pixmap_thread (Display *dpy, win *w, XserverRegion extents)
+{
+ if (hasNamePixmap) {
+ threaddata *data;
+
+ pthread_mutex_lock (&w->pixmap_lock);
+ w->pixmap_nthreads++;
+ pthread_mutex_unlock (&w->pixmap_lock);
+
+ data = malloc (sizeof (threaddata));
+ data->dpy = dpy;
+ data->w = w;
+ data->extents = extents;
+ data->prev_thread = w->pixmap_thread;
+ if (pthread_create (&w->pixmap_thread, NULL, get_pixmap_thread, data))
+ {
+ /* error */
+ pthread_mutex_lock (&w->pixmap_lock);
+ w->pixmap_nthreads--;
+ pthread_mutex_unlock (&w->pixmap_lock);
+ }
+ }
+}
+#endif
+
+static Bool