From 56dfdf8fbfd83ea98823e5f02fad1b9a4ddb99fd Mon Sep 17 00:00:00 2001
From: Brandon DeRosier <bdero@google.com>
Date: Wed, 1 Mar 2023 13:24:08 -0800
Subject: [PATCH] [Impeller] Add checkbox for toggling the ColorWheel cache
 (flutter/engine#39986)

[Impeller] Add checkbox for toggling the ColorWheel cache
---
 engine/src/flutter/impeller/aiks/aiks_unittests.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/engine/src/flutter/impeller/aiks/aiks_unittests.cc b/engine/src/flutter/impeller/aiks/aiks_unittests.cc
index 84853ce6852..1e3fc3d0f3b 100644
--- a/engine/src/flutter/impeller/aiks/aiks_unittests.cc
+++ b/engine/src/flutter/impeller/aiks/aiks_unittests.cc
@@ -1392,6 +1392,7 @@ TEST_P(AiksTest, ColorWheel) {
 
   auto callback = [&](AiksContext& renderer, RenderTarget& render_target) {
     // UI state.
+    static bool cache_the_wheel = true;
     static int current_blend_index = 3;
     static float dst_alpha = 1;
     static float src_alpha = 1;
@@ -1401,6 +1402,7 @@ TEST_P(AiksTest, ColorWheel) {
 
     ImGui::Begin("Controls", nullptr, ImGuiWindowFlags_AlwaysAutoResize);
     {
+      ImGui::Checkbox("Cache the wheel", &cache_the_wheel);
       ImGui::ListBox("Blending mode", &current_blend_index,
                      blend_mode_names.data(), blend_mode_names.size());
       ImGui::SliderFloat("Source alpha", &src_alpha, 0, 1);
@@ -1414,7 +1416,7 @@ TEST_P(AiksTest, ColorWheel) {
     static Point content_scale;
     Point new_content_scale = GetContentScale();
 
-    if (new_content_scale != content_scale) {
+    if (!cache_the_wheel || new_content_scale != content_scale) {
       content_scale = new_content_scale;
 
       // Render the color wheel to an image.