/** Load a cursor theme to memory shared with the compositor
*
* \param name The name of the cursor theme to load. If %NULL, the default
* theme will be loaded.
* \param size Desired size of the cursor images.
* \param shm The compositor's shm interface.
*
* \return An object representing the theme that should be destroyed with
* wl_cursor_theme_destroy() or %NULL on error. If no theme with the given
* name exists, a default theme will be loaded.
*/
WL_EXPORT struct wl_cursor_theme *
wl_cursor_theme_load(const char *name, int size, struct wl_shm *shm)
{
struct wl_cursor_theme *theme;
theme = malloc(sizeof *theme);
if (!theme)
return NULL;
if (!name)
name = "default";
theme->name = strdup(name);
theme->size = size;
theme->cursor_count = 0;
theme->cursors = NULL;
theme->pool =
shm_pool_create(shm, size * size * 4);
if (!theme->pool) {
free(theme->name);
free(theme);
return NULL;
}
xcursor_load_theme(name, size, load_callback, theme);
if (theme->cursor_count == 0)
load_default_theme(theme);
return theme;
}
static GstWlMeta *
gst_buffer_add_wayland_meta (GstBuffer * buffer, GstWaylandBufferPool * wpool)
{
GstWlMeta *wmeta;
GstWaylandSink *sink;
void *data;
gint offset;
guint stride = 0;
guint size = 0;
sink = wpool->sink;
stride = wpool->width * 4;
size = stride * wpool->height;
wmeta = (GstWlMeta *) gst_buffer_add_meta (buffer, GST_WL_META_INFO, NULL);
wmeta->sink = gst_object_ref (sink);
/*Fixme: size calculation should be more grcefull, have to consider the padding */
if (!sink->shm_pool) {
sink->shm_pool = shm_pool_create (sink->display, size * 15);
shm_pool_reset (sink->shm_pool);
}
if (!sink->shm_pool) {
GST_ERROR ("Failed to create shm_pool");
return NULL;
}
data = shm_pool_allocate (sink->shm_pool, size, &offset);
if (!data)
return NULL;
wmeta->wbuffer = wl_shm_pool_create_buffer (sink->shm_pool->pool, offset,
sink->video_width, sink->video_height, stride, sink->format);
wmeta->data = data;
wmeta->size = size;
gst_buffer_append_memory (buffer,
gst_memory_new_wrapped (GST_MEMORY_FLAG_NO_SHARE, data,
size, 0, size, NULL, NULL));
return wmeta;
}
