From 2a6df5b375f93b803db761de0c27370b58e36dea Mon Sep 17 00:00:00 2001
From: Samuel Susla <samuelsusla@fb.com>
Date: Fri, 11 Jun 2021 04:22:28 -0700
Subject: [PATCH] Pass concurrentRoot flag through to renderApplication

Summary:
Changelog: [internal]

Pass concurrentRoot flag to renderApplication.

Reviewed By: rubennorte

Differential Revision: D28630516

fbshipit-source-id: 959b9c684a8736a28a86d42699a78c96da859224
---
 Libraries/ReactNative/AppContainer.js      | 1 +
 Libraries/ReactNative/AppRegistry.js       | 1 +
 Libraries/ReactNative/renderApplication.js | 9 +++++++--
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/Libraries/ReactNative/AppContainer.js b/Libraries/ReactNative/AppContainer.js
index 2024b4cee44..23da450a310 100644
--- a/Libraries/ReactNative/AppContainer.js
+++ b/Libraries/ReactNative/AppContainer.js
@@ -19,6 +19,7 @@ import * as React from 'react';
 type Props = $ReadOnly<{|
   children?: React.Node,
   fabric?: boolean,
+  useConcurrentRoot?: boolean,
   rootTag: number | RootTag,
   initialProps?: {...},
   showArchitectureIndicator?: boolean,
diff --git a/Libraries/ReactNative/AppRegistry.js b/Libraries/ReactNative/AppRegistry.js
index 0bb8a8658f7..65de45fb809 100644
--- a/Libraries/ReactNative/AppRegistry.js
+++ b/Libraries/ReactNative/AppRegistry.js
@@ -128,6 +128,7 @@ const AppRegistry = {
           appKey === 'LogBox',
           appKey,
           coerceDisplayMode(displayMode),
+          appParameters.concurrentRoot,
         );
       },
     };
diff --git a/Libraries/ReactNative/renderApplication.js b/Libraries/ReactNative/renderApplication.js
index 5278769cd3f..72933a59ef6 100644
--- a/Libraries/ReactNative/renderApplication.js
+++ b/Libraries/ReactNative/renderApplication.js
@@ -32,6 +32,7 @@ function renderApplication<Props: Object>(
   isLogBox?: boolean,
   debugName?: string,
   displayMode?: ?DisplayModeType,
+  useConcurrentRoot?: boolean,
 ) {
   invariant(rootTag, 'Expect to have a valid rootTag, instead got ', rootTag);
 
@@ -64,9 +65,13 @@ function renderApplication<Props: Object>(
 
   performanceLogger.startTimespan('renderApplication_React_render');
   performanceLogger.setExtra('usedReactFabric', fabric ? '1' : '0');
-
   if (fabric) {
-    require('../Renderer/shims/ReactFabric').render(renderable, rootTag);
+    require('../Renderer/shims/ReactFabric').render(
+      renderable,
+      rootTag,
+      null,
+      useConcurrentRoot,
+    );
   } else {
     require('../Renderer/shims/ReactNative').render(renderable, rootTag);
   }