From 9bfd0ae0e0349fcdc96e53aac1a048b2e4fdff6d Mon Sep 17 00:00:00 2001
From: Chinmay Garde <chinmaygarde@google.com>
Date: Tue, 9 Jul 2024 15:56:05 -0700
Subject: [PATCH 1/2] [Impeller] Update docs that specify how to select the
 Impeller backend.

---
 impeller/README.md | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/impeller/README.md b/impeller/README.md
index cc3255cf536a9..a448b30dc7e30 100644
--- a/impeller/README.md
+++ b/impeller/README.md
@@ -197,7 +197,7 @@ Flutter enables Impeller by **default** on iOS.
 To **disable** Impeller on iOS, update your `Info.plist` file to add the following
 under the top-level `<dict>` tag:
 
-```
+```xml
   <key>FLTEnableImpeller</key>
   <false/>
 ```
@@ -207,18 +207,31 @@ under the top-level `<dict>` tag:
 Impeller is in preview on Android.
 
 To your `AndroidManifest.xml` file, add under the `<application>` tag:
-```
+
+```xml
   <meta-data
     android:name="io.flutter.embedding.android.EnableImpeller"
     android:value="true" />
 ```
 
+Impeller will use Vulkan on Android by default when opted into. Where Vulkan
+is unavalable, Impeller will fallback to Skia. However, Impellers OpenGL backend
+is well under construction. To try that with your application, add the following
+under the `<application>` tag:
+
+```xml
+  <meta-data
+    android:name="io.flutter.embedding.android.ImpellerBackend"
+    android:value="opengles" />
+```
+
 ### macOS Desktop
 
 Impeller is in preview on macOS Desktop.
 
 To your `Info.plist` file, add under the top-level `<dict>` tag:
-```
+
+```xml
   <key>FLTEnableImpeller</key>
   <true/>
 ```

From 383039b2a4c851e2c8d3624276f78083cdf41bb7 Mon Sep 17 00:00:00 2001
From: Chinmay Garde <chinmaygarde@google.com>
Date: Tue, 9 Jul 2024 16:02:35 -0700
Subject: [PATCH 2/2] Update README.md

---
 impeller/README.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/impeller/README.md b/impeller/README.md
index a448b30dc7e30..38045013a6fbf 100644
--- a/impeller/README.md
+++ b/impeller/README.md
@@ -215,10 +215,14 @@ To your `AndroidManifest.xml` file, add under the `<application>` tag:
 ```
 
 Impeller will use Vulkan on Android by default when opted into. Where Vulkan
-is unavalable, Impeller will fallback to Skia. However, Impellers OpenGL backend
+is unavailable, Impeller will fallback to Skia. However, Impellers OpenGL backend
 is well under construction. To try that with your application, add the following
 under the `<application>` tag:
 
+> [!Warning]
+> Selecting the Impeller backend this way will only work in `debug` and `profile`
+> runtime modes.
+
 ```xml
   <meta-data
     android:name="io.flutter.embedding.android.ImpellerBackend"