From f1a32cac0adeef93a0d4e65d987aba68dc1690f7 Mon Sep 17 00:00:00 2001
From: Jim Graham <flar@google.com>
Date: Fri, 22 Apr 2022 14:45:52 -0700
Subject: [PATCH] implement drawDisplayList in impeller dispatcher
 (flutter/engine#153)

---
 .../impeller/display_list/display_list_dispatcher.cc       | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/engine/src/flutter/impeller/display_list/display_list_dispatcher.cc b/engine/src/flutter/impeller/display_list/display_list_dispatcher.cc
index 972ed22ee45..57e1246c5e9 100644
--- a/engine/src/flutter/impeller/display_list/display_list_dispatcher.cc
+++ b/engine/src/flutter/impeller/display_list/display_list_dispatcher.cc
@@ -703,7 +703,12 @@ void DisplayListDispatcher::drawPicture(const sk_sp<SkPicture> picture,
 // |flutter::Dispatcher|
 void DisplayListDispatcher::drawDisplayList(
     const sk_sp<flutter::DisplayList> display_list) {
-  UNIMPLEMENTED;
+  int saveCount = canvas_.GetSaveCount();
+  Paint savePaint = paint_;
+  paint_ = Paint();
+  display_list->Dispatch(*this);
+  paint_ = savePaint;
+  canvas_.RestoreToCount(saveCount);
 }
 
 // |flutter::Dispatcher|