466 lines
12 KiB
C
466 lines
12 KiB
C
#define E_COMP_WL
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#include "e.h"
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#define COMPOSITOR_VERSION 3
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#define E_COMP_WL_PIXMAP_CHECK \
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if (e_pixmap_type_get(ec->pixmap) != E_PIXMAP_TYPE_WL) return
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/* Resource Data Mapping: (wl_resource_get_user_data)
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*
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* wl_surface == e_pixmap
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*
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*/
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/* local functions */
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static void
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_e_comp_wl_log_cb_print(const char *format, va_list args)
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{
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EINA_LOG_DOM_INFO(e_log_dom, format, args);
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}
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static Eina_Bool
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_e_comp_wl_cb_read(void *data, Ecore_Fd_Handler *hdlr EINA_UNUSED)
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{
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E_Comp_Data *cdata;
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if (!(cdata = data)) return ECORE_CALLBACK_RENEW;
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/* dispatch pending wayland events */
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wl_event_loop_dispatch(cdata->wl.loop, 0);
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return ECORE_CALLBACK_RENEW;
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}
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static void
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_e_comp_wl_cb_prepare(void *data, Ecore_Fd_Handler *hdlr EINA_UNUSED)
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{
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E_Comp_Data *cdata;
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if (!(cdata = data)) return;
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/* flush pending client events */
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wl_display_flush_clients(cdata->wl.disp);
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}
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static Eina_Bool
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_e_comp_wl_cb_module_idle(void *data)
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{
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E_Comp_Data *cdata;
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E_Module *mod = NULL;
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if (!(cdata = data)) return ECORE_CALLBACK_RENEW;
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/* check if we are still loading modules */
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if (e_module_loading_get()) return ECORE_CALLBACK_RENEW;
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if (!(mod = e_module_find("wl_desktop_shell")))
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mod = e_module_new("wl_desktop_shell");
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if (mod)
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{
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e_module_enable(mod);
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/* FIXME: NB:
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* Do we need to dispatch pending wl events here ?? */
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return ECORE_CALLBACK_CANCEL;
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}
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return ECORE_CALLBACK_RENEW;
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}
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static void
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_e_comp_wl_buffer_cb_destroy(struct wl_listener *listener, void *data EINA_UNUSED)
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{
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E_Comp_Wl_Buffer *buffer;
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DBG("Buffer Cb Destroy");
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/* try to get the buffer from the listener */
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if ((buffer = container_of(listener, E_Comp_Wl_Buffer, destroy_listener)))
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{
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DBG("\tEmit buffer destroy signal");
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/* emit the destroy signal */
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wl_signal_emit(&buffer->destroy_signal, buffer);
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/* FIXME: Investigate validity of this
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*
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* I think this could be a problem because the destroy signal
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* uses the buffer as the 'data', so anything that catches
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* this signal is going to run into problems if we free */
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free(buffer);
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}
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}
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static E_Comp_Wl_Buffer *
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_e_comp_wl_buffer_get(struct wl_resource *resource)
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{
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E_Comp_Wl_Buffer *buffer;
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struct wl_listener *listener;
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/* try to get the destroy listener from this resource */
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listener =
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wl_resource_get_destroy_listener(resource, _e_comp_wl_buffer_cb_destroy);
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/* if we have the destroy listener, return the E_Comp_Wl_Buffer */
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if (listener)
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return container_of(listener, E_Comp_Wl_Buffer, destroy_listener);
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/* no destroy listener on this resource, try to create new buffer */
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if (!(buffer = E_NEW(E_Comp_Wl_Buffer, 1))) return NULL;
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/* initialize buffer structure */
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buffer->resource = resource;
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wl_signal_init(&buffer->destroy_signal);
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/* setup buffer destroy callback */
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buffer->destroy_listener.notify = _e_comp_wl_buffer_cb_destroy;
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wl_resource_add_destroy_listener(resource, &buffer->destroy_listener);
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return buffer;
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}
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static void
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_e_comp_wl_surface_cb_destroy(struct wl_client *client EINA_UNUSED, struct wl_resource *resource)
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{
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E_Pixmap *ep;
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DBG("Surface Cb Destroy: %d", wl_resource_get_id(resource));
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/* unset the pixmap resource */
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if ((ep = wl_resource_get_user_data(resource)))
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e_pixmap_resource_set(ep, NULL);
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/* destroy this resource */
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wl_resource_destroy(resource);
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}
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static void
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_e_comp_wl_surface_cb_attach(struct wl_client *client, struct wl_resource *resource, struct wl_resource *buffer_resource, int32_t sx, int32_t sy)
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{
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}
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static void
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_e_comp_wl_surface_cb_damage(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, int32_t x, int32_t y, int32_t w, int32_t h)
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{
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DBG("Surface Cb Damage");
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}
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static void
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_e_comp_wl_surface_cb_frame(struct wl_client *client, struct wl_resource *resource, uint32_t callback)
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{
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DBG("Surface Cb Frame");
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}
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static void
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_e_comp_wl_surface_cb_opaque_region_set(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, struct wl_resource *region_resource)
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{
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DBG("Surface Opaque Region Set");
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}
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static void
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_e_comp_wl_surface_cb_input_region_set(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, struct wl_resource *region_resource)
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{
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DBG("Surface Input Region Set");
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}
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static void
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_e_comp_wl_surface_cb_commit(struct wl_client *client EINA_UNUSED, struct wl_resource *resource)
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{
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DBG("Surface Commit");
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}
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static void
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_e_comp_wl_surface_cb_buffer_transform_set(struct wl_client *client EINA_UNUSED, struct wl_resource *resource EINA_UNUSED, int32_t transform EINA_UNUSED)
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{
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DBG("Surface Buffer Transform");
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}
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static void
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_e_comp_wl_surface_cb_buffer_scale_set(struct wl_client *client EINA_UNUSED, struct wl_resource *resource EINA_UNUSED, int32_t scale EINA_UNUSED)
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{
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DBG("Surface Buffer Scale");
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}
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static const struct wl_surface_interface _e_surface_interface =
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{
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_e_comp_wl_surface_cb_destroy,
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_e_comp_wl_surface_cb_attach,
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_e_comp_wl_surface_cb_damage,
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_e_comp_wl_surface_cb_frame,
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_e_comp_wl_surface_cb_opaque_region_set,
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_e_comp_wl_surface_cb_input_region_set,
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_e_comp_wl_surface_cb_commit,
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_e_comp_wl_surface_cb_buffer_transform_set,
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_e_comp_wl_surface_cb_buffer_scale_set
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};
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static void
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_e_comp_wl_compositor_cb_surface_create(struct wl_client *client, struct wl_resource *resource, uint32_t id)
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{
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E_Comp *comp;
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struct wl_resource *res;
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uint64_t wid;
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pid_t pid;
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E_Pixmap *ep;
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if (!(comp = wl_resource_get_user_data(resource))) return;
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DBG("Compositor Cb Surface Create: %d", id);
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/* try to create an internal surface */
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if (!(res = wl_resource_create(client, &wl_surface_interface,
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wl_resource_get_version(resource), id)))
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{
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ERR("Could not create compositor surface");
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wl_client_post_no_memory(client);
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return;
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}
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DBG("\tCreated Resource: %d", wl_resource_get_id(res));
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/* FIXME: set callback ? */
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/* set implementation on resource */
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wl_resource_set_implementation(res, &_e_surface_interface, NULL, NULL);
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// _callback);
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/* get the client pid and generate a pixmap id */
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wl_client_get_credentials(client, &pid, NULL, NULL);
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wid = e_comp_wl_id_get(pid, id);
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DBG("\tClient Pid: %d", pid);
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/* check for existing pixmap */
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if (!(ep = e_pixmap_find(E_PIXMAP_TYPE_WL, wid)))
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{
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/* try to create new pixmap */
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if (!(ep = e_pixmap_new(E_PIXMAP_TYPE_WL, wid)))
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{
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ERR("Could not create new pixmap");
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wl_resource_destroy(res);
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wl_client_post_no_memory(client);
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return;
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}
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}
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DBG("\tUsing Pixmap: %llu", wid);
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/* set reference to pixmap so we can fetch it later */
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wl_resource_set_user_data(res, ep);
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/* emit surface create signal */
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wl_signal_emit(&comp->wl_comp_data->signals.surface.create, res);
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}
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static void
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_e_comp_wl_compositor_cb_region_create(struct wl_client *client, struct wl_resource *resource, uint32_t id)
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{
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E_Comp *comp;
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if (!(comp = wl_resource_get_user_data(resource))) return;
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}
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static const struct wl_compositor_interface _e_comp_interface =
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{
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_e_comp_wl_compositor_cb_surface_create,
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_e_comp_wl_compositor_cb_region_create
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};
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static void
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_e_comp_wl_compositor_cb_bind(struct wl_client *client, void *data, uint32_t version, uint32_t id)
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{
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E_Comp *comp;
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struct wl_resource *res;
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if (!(comp = data)) return;
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if (!(res =
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wl_resource_create(client, &wl_compositor_interface,
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MIN(version, COMPOSITOR_VERSION), id)))
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{
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ERR("Could not create compositor resource: %m");
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wl_client_post_no_memory(client);
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return;
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}
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wl_resource_set_implementation(res, &_e_comp_interface, comp, NULL);
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}
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static void
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_e_comp_wl_compositor_cb_del(E_Comp *comp)
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{
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E_Comp_Data *cdata;
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/* get existing compositor data */
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if (!(cdata = comp->wl_comp_data)) return;
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/* delete fd handler */
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if (cdata->fd_hdlr) ecore_main_fd_handler_del(cdata->fd_hdlr);
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/* free allocated data structure */
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free(cdata);
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}
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static Eina_Bool
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_e_comp_wl_compositor_create(void)
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{
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E_Comp *comp;
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E_Comp_Data *cdata;
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const char *name;
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int fd = 0;
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/* check for existing compositor. create if needed */
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if (!(comp = e_comp_get(NULL)))
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{
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comp = e_comp_new();
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comp->comp_type = E_PIXMAP_TYPE_WL;
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E_OBJECT_DEL_SET(comp, _e_comp_wl_compositor_cb_del);
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}
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/* create new compositor data */
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cdata = E_NEW(E_Comp_Data, 1);
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/* set wayland log handler */
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wl_log_set_handler_server(_e_comp_wl_log_cb_print);
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/* try to create a wayland display */
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if (!(cdata->wl.disp = wl_display_create()))
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{
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ERR("Could not create a Wayland display: %m");
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goto disp_err;
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}
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/* try to setup wayland socket */
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if (!(name = wl_display_add_socket_auto(cdata->wl.disp)))
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{
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ERR("Could not create Wayland display socket: %m");
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goto sock_err;
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}
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/* set wayland display environment variable */
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e_env_set("WAYLAND_DISPLAY", name);
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/* initialize compositor signals */
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wl_signal_init(&cdata->signals.surface.create);
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wl_signal_init(&cdata->signals.surface.activate);
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wl_signal_init(&cdata->signals.surface.kill);
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/* try to add compositor to wayland globals */
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if (!wl_global_create(cdata->wl.disp, &wl_compositor_interface,
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COMPOSITOR_VERSION, comp,
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_e_comp_wl_compositor_cb_bind))
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{
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ERR("Could not add compositor to wayland globals: %m");
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goto comp_global_err;
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}
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/* try to init data manager */
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if (!e_comp_wl_data_manager_init(cdata))
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{
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ERR("Could not initialize data manager");
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goto data_err;
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}
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/* try to init input */
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if (!e_comp_wl_input_init(cdata))
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{
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ERR("Could not initialize input");
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goto input_err;
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}
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/* initialize shm mechanism */
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wl_display_init_shm(cdata->wl.disp);
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/* get the wayland display loop */
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cdata->wl.loop = wl_display_get_event_loop(cdata->wl.disp);
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/* get the file descriptor of the wayland event loop */
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fd = wl_event_loop_get_fd(cdata->wl.loop);
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/* create a listener for wayland main loop events */
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cdata->fd_hdlr =
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ecore_main_fd_handler_add(fd, (ECORE_FD_READ | ECORE_FD_ERROR),
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_e_comp_wl_cb_read, cdata, NULL, NULL);
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ecore_main_fd_handler_prepare_callback_set(cdata->fd_hdlr,
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_e_comp_wl_cb_prepare, cdata);
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/* setup module idler to load shell mmodule */
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ecore_idler_add(_e_comp_wl_cb_module_idle, cdata);
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if (comp->comp_type == E_PIXMAP_TYPE_X)
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{
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e_comp_wl_input_pointer_enabled_set(cdata, EINA_TRUE);
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e_comp_wl_input_keyboard_enabled_set(cdata, EINA_TRUE);
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}
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/* set compositor wayland data */
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comp->wl_comp_data = cdata;
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return EINA_TRUE;
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input_err:
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e_comp_wl_data_manager_shutdown(cdata);
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data_err:
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comp_global_err:
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e_env_unset("WAYLAND_DISPLAY");
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sock_err:
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wl_display_destroy(cdata->wl.disp);
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disp_err:
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free(cdata);
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return EINA_FALSE;
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}
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/* public functions */
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EAPI Eina_Bool
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e_comp_wl_init(void)
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{
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/* set gl available if we have ecore_evas support */
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if (ecore_evas_engine_type_supported_get(ECORE_EVAS_ENGINE_WAYLAND_EGL) ||
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ecore_evas_engine_type_supported_get(ECORE_EVAS_ENGINE_OPENGL_DRM))
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e_comp_gl_set(EINA_TRUE);
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/* try to create a wayland compositor */
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if (!_e_comp_wl_compositor_create())
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{
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e_error_message_show(_("Enlightenment cannot create a Wayland Compositor!\n"));
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return EINA_FALSE;
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}
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/* try to init ecore_wayland */
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if (!ecore_wl_init(NULL))
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{
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e_error_message_show(_("Enlightenment cannot initialize Ecore_Wayland!\n"));
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return EINA_FALSE;
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}
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return EINA_TRUE;
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}
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EAPI struct wl_signal
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e_comp_wl_surface_create_signal_get(E_Comp *comp)
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{
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return comp->wl_comp_data->signals.surface.create;
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}
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/* internal functions */
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EINTERN void
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e_comp_wl_shutdown(void)
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{
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/* shutdown ecore_wayland */
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ecore_wl_shutdown();
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}
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EINTERN struct wl_resource *
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e_comp_wl_surface_create(struct wl_client *client, int version, uint32_t id)
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{
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struct wl_resource *ret = NULL;
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if ((ret = wl_resource_create(client, &wl_surface_interface, version, id)))
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{
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DBG("Created Surface: %d", wl_resource_get_id(ret));
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}
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return ret;
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}
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