GeglTile *
gegl_tile_new (gint size)
{
GeglTile *tile = gegl_tile_new_bare ();
tile->data = gegl_malloc (size);
tile->size = size;
return tile;
}
GeglTile *
gegl_tile_dup (GeglTile *src)
{
GeglTile *tile = gegl_tile_new_bare ();
tile->tile_storage = src->tile_storage;
tile->data = src->data;
tile->size = src->size;
tile->destroy_notify = src->destroy_notify;
tile->destroy_notify_data = src->destroy_notify_data;
tile->next_shared = src->next_shared;
src->next_shared = tile;
tile->prev_shared = src;
#ifdef GEGL_USE_TILE_MUTEX
if (tile->next_shared != src)
{
g_mutex_lock (tile->next_shared->mutex);
}
#endif
if (tile->next_shared != src)
{
g_static_mutex_lock (&cowmutex);
}
tile->next_shared->prev_shared = tile;
if (tile->next_shared != src)
{
g_static_mutex_unlock (&cowmutex);
}
#ifdef GEGL_USE_TILE_MUTEX
if (tile->next_shared != src)
{
g_mutex_unlock (tile->next_shared->mutex);
}
#endif
return tile;
}
GeglBuffer *
gegl_buffer_linear_new_from_data (const gpointer data,
const Babl *format,
const GeglRectangle *extent,
gint rowstride,
GDestroyNotify destroy_fn,
gpointer destroy_fn_data)
{
GeglBuffer *buffer;
GeglTile *tile;
gint bpp;
g_return_val_if_fail (extent, NULL);
g_return_val_if_fail (format, NULL);
bpp = babl_format_get_bytes_per_pixel (format);
if (rowstride == 0)
{
rowstride = extent->width;
}
else
{
g_return_val_if_fail (rowstride > 0, NULL);
g_return_val_if_fail (rowstride % bpp == 0, NULL);
rowstride = rowstride / bpp;
}
buffer = g_object_new (GEGL_TYPE_BUFFER,
"x", extent->x,
"y", extent->y,
"shift-x", -extent->x,
"shift-y", -extent->y,
"width", extent->width,
"height", extent->height,
"tile-width", rowstride,
"tile-height", extent->height,
"format", format,
"path", "RAM",
NULL);
g_object_set_data (G_OBJECT (buffer), "is-linear", (void*)0xf00);
tile = gegl_tile_new_bare ();
tile->tile_storage = buffer->tile_storage;
tile->x = 0;
tile->y = 0;
tile->z = 0;
tile->next_shared = tile;
tile->prev_shared = tile;
tile->rev = tile->stored_rev + 1;
gegl_tile_set_data_full (tile,
(gpointer) data,
bpp * rowstride * extent->height,
destroy_fn,
destroy_fn_data);
if (buffer->tile_storage->cache)
gegl_tile_handler_cache_insert (buffer->tile_storage->cache, tile, 0, 0, 0);
gegl_tile_unref (tile);
return buffer;
}
