1 files changed, 18 insertions, 1 deletions

diff --git a/sway/handlers.c b/sway/handlers.c
index 3f3c1bdd..9e98cffe 100644
--- a/sway/handlers.c
+++ b/sway/handlers.c
@@ -3,6 +3,7 @@
 #include <stdbool.h>
 #include <math.h>
 #include <wlc/wlc.h>
+#include <wlc/wlc-wayland.h>
 #include <ctype.h>
 
 #include "handlers.h"
@@ -17,6 +18,7 @@
 #include "focus.h"
 #include "input_state.h"
 #include "resize.h"
+#include "extensions.h"
 
 // Event should be sent to client
 #define EVENT_PASSTHROUGH false
@@ -63,6 +65,18 @@ static void handle_output_destroyed(wlc_handle output) {
         }
 }
 
+static void handle_output_pre_render(wlc_handle output) {
+        int i;
+        for (i = 0; i < desktop_shell.backgrounds->length; ++i) {
+                struct background_config *config = desktop_shell.backgrounds->items[i];
+                if (config->output == output) {
+                        sway_log(L_DEBUG, "Rendering background surface %d", (int)config->surface);
+                        wlc_surface_render(config->surface, &(struct wlc_geometry){ wlc_origin_zero, *wlc_output_get_resolution(output) });
+                        break;
+                }
+        }
+}
+
 static void handle_output_resolution_change(wlc_handle output, const struct wlc_size *from, const struct wlc_size *to) {
         sway_log(L_DEBUG, "Output %u resolution changed to %d x %d", (unsigned int)output, to->w, to->h);
         swayc_t *c = swayc_by_handle(output);
@@ -463,7 +477,10 @@ struct wlc_interface interface = {
                 .created = handle_output_created,
                 .destroyed = handle_output_destroyed,
                 .resolution = handle_output_resolution_change,
-                .focus = handle_output_focused
+                .focus = handle_output_focused,
+                .render = {
+                        .pre = handle_output_pre_render
+                }
         },
         .view = {
                 .created = handle_view_created,