--- a/types/scene/wlr_scene.c
+++ b/types/scene/wlr_scene.c
@@ -2108,6 +2108,20 @@
 		return;
 	}
 
+	if (node->type == WLR_SCENE_NODE_BUFFER && getenv("SAVED_TRACE")) {
+		struct timespec ts;
+		clock_gettime(CLOCK_MONOTONIC, &ts);
+		struct wlr_scene_buffer *sb = wlr_scene_buffer_from_node(node);
+		struct pixman_box32 *box = pixman_region32_extents(&render_region);
+		fprintf(stderr, "SB_RENDER ns=%lld node=%p buffer=%p parent=%p visible=%d,%d,%d,%d damage=%d,%d,%d,%d\n",
+			(long long)ts.tv_sec * 1000000000LL + ts.tv_nsec,
+			(void *)node, (void *)sb->buffer, (void *)node->parent,
+			pixman_region32_extents(&node->visible)->x1,
+			pixman_region32_extents(&node->visible)->y1,
+			pixman_region32_extents(&node->visible)->x2,
+			pixman_region32_extents(&node->visible)->y2,
+			box->x1, box->y1, box->x2, box->y2);
+	}
 	int x = entry->x - data->logical.x;
 	int y = entry->y - data->logical.y;