Allocate framebuffers for hardware cursors

Still doesn't fix cursors though

backend/drm/drm.c

@@ -296,6 +296,10 @@ static void wlr_drm_cursor_bo_update(struct wlr_output_state *output,
 			wlr_log(L_ERROR, "Failed to create cursor bo");
 			return;
 		}
+		if (!get_fb_for_bo(state->fd, output->cursor_bo[i])) {
+			wlr_log(L_ERROR, "Failed to create cursor fb");
+			return;
+		}
 	}
 }
 

example/pointer.c

@@ -94,8 +94,9 @@ static void handle_pointer_axis(struct pointer_state *pstate,
 
 static void handle_output_add(struct output_state *ostate) {
 	struct wlr_output *wlr_output = ostate->output;
+	int width = 16, height = 16;
 	if (!wlr_output_set_cursor(wlr_output, cat_tex.pixel_data,
-			cat_tex.width * 4, cat_tex.width, cat_tex.height)) {
+			width * 4, width, height)) {
 		fprintf(stderr, "Failed to set cursor\n");
 		return;
 	}