void _XFlushGCCache(Display *dpy, GC gc)
{
register _XExtension *ext;
CARD32 values[32];
if (!gc->dirty)
return;
_XGenerateGCList (&gc->values, gc->dirty, values);
XCBChangeGC(XCBConnectionOfDisplay(dpy), XCLGCONTEXT(gc->gid), gc->dirty, values);
/* call out to any extensions interested */
for (ext = dpy->ext_procs; ext; ext = ext->next)
if (ext->flush_GC) (*ext->flush_GC)(dpy, gc, &ext->codes);
gc->dirty = 0L; /* allow extensions to see dirty bits */
}
static cairo_int_status_t
_cairo_xcb_surface_set_clip_region (void *abstract_surface,
pixman_region16_t *region)
{
cairo_xcb_surface_t *surface = abstract_surface;
if (surface->clip_rects) {
free (surface->clip_rects);
surface->clip_rects = NULL;
}
surface->num_clip_rects = 0;
if (region == NULL) {
if (surface->gc.xid) {
CARD32 mask = XCBGCClipMask;
CARD32 pa[] = { XCBNone };
XCBChangeGC (surface->dpy, surface->gc, mask, pa);
}
if (surface->has_format && surface->picture.xid) {
CARD32 mask = XCBRenderCPClipMask;
CARD32 pa[] = { XCBNone };
XCBRenderChangePicture (surface->dpy, surface->picture, mask, pa);
}
} else {
pixman_box16_t *boxes;
XCBRECTANGLE *rects = NULL;
int n_boxes, i;
n_boxes = pixman_region_num_rects (region);
if (n_boxes > 0) {
rects = malloc (sizeof(XCBRECTANGLE) * n_boxes);
if (rects == NULL)
return CAIRO_STATUS_NO_MEMORY;
} else {
rects = NULL;
}
boxes = pixman_region_rects (region);
for (i = 0; i < n_boxes; i++) {
rects[i].x = boxes[i].x1;
rects[i].y = boxes[i].y1;
rects[i].width = boxes[i].x2 - boxes[i].x1;
rects[i].height = boxes[i].y2 - boxes[i].y1;
}
surface->clip_rects = rects;
surface->num_clip_rects = n_boxes;
if (surface->gc.xid)
_cairo_xcb_surface_set_gc_clip_rects (surface);
if (surface->picture.xid)
_cairo_xcb_surface_set_picture_clip_rects (surface);
}
return CAIRO_STATUS_SUCCESS;
}
