Added benchmark for early removal of unused raster cache entris mecha… (#107918)

.ci.yaml

@@ -1364,6 +1364,16 @@ targets:
         ["devicelab", "android", "linux"]
       task_name: color_filter_cache_perf__e2e_summary
 
+  - name: Linux_android color_filter_with_unstable_child_perf__e2e_summary
+    recipe: devicelab/devicelab_drone
+    presubmit: false
+    bringup: true
+    timeout: 60
+    properties:
+      tags: >
+        ["devicelab","android","linux"]
+      task_name: color_filter_with_unstable_child_perf__e2e_summary
+
   - name: Linux_android raster_cache_use_memory_perf__e2e_summary
     recipe: devicelab/devicelab_drone
     presubmit: false

TESTOWNERS

@@ -24,6 +24,7 @@
 /dev/devicelab/bin/tasks/codegen_integration.dart @zanderso @flutter/tool
 /dev/devicelab/bin/tasks/clipper_cache_perf__e2e_summary.dart @flar @flutter/engine
 /dev/devicelab/bin/tasks/color_filter_and_fade_perf__e2e_summary.dart @zanderso @flutter/engine
+/dev/devicelab/bin/tasks/color_filter_with_unstable_child_perf__e2e_summary.dart @flar @flutter/engine
 /dev/devicelab/bin/tasks/shader_mask_cache_perf__e2e_summary.dart @flar @flutter/engine
 /dev/devicelab/bin/tasks/color_filter_cache_perf__e2e_summary.dart @flar @flutter/engine
 /dev/devicelab/bin/tasks/complex_layout_android__compile.dart @zanderso @flutter/tool

dev/benchmarks/macrobenchmarks/lib/common.dart

@@ -17,6 +17,7 @@ const String kAnimatedPlaceholderRouteName = '/animated_placeholder';
 const String kClipperCacheRouteName = '/clipper_cache';
 const String kColorFilterAndFadeRouteName = '/color_filter_and_fade';
 const String kColorFilterCacheRouteName = '/color_filter_cache';
+const String kColorFilterWithUnstableChildName = '/color_filter_with_unstable_child';
 const String kFadingChildAnimationRouteName = '/fading_child_animation';
 const String kImageFilteredTransformAnimationRouteName = '/imagefiltered_transform_animation';
 const String kMultiWidgetConstructionRouteName = '/multi_widget_construction';

dev/benchmarks/macrobenchmarks/lib/main.dart

@@ -14,6 +14,7 @@ import 'src/backdrop_filter.dart';
 import 'src/clipper_cache.dart';
 import 'src/color_filter_and_fade.dart';
 import 'src/color_filter_cache.dart';
+import 'src/color_filter_with_unstable_child.dart';
 import 'src/cubic_bezier.dart';
 import 'src/cull_opacity.dart';
 import 'src/filtered_child_animation.dart';
@@ -64,6 +65,7 @@ class MacrobenchmarksApp extends StatelessWidget {
         kClipperCacheRouteName: (BuildContext context) => const ClipperCachePage(),
         kColorFilterAndFadeRouteName: (BuildContext context) => const ColorFilterAndFadePage(),
         kColorFilterCacheRouteName: (BuildContext context) => const ColorFilterCachePage(),
+        kColorFilterWithUnstableChildName: (BuildContext context) => const ColorFilterWithUnstableChildPage(),
         kFadingChildAnimationRouteName: (BuildContext context) => const FilteredChildAnimationPage(FilterType.opacity),
         kImageFilteredTransformAnimationRouteName: (BuildContext context) => const FilteredChildAnimationPage(FilterType.rotateFilter),
         kMultiWidgetConstructionRouteName: (BuildContext context) => const MultiWidgetConstructTable(10, 20),
@@ -195,6 +197,13 @@ class HomePage extends StatelessWidget {
               Navigator.pushNamed(context, kColorFilterCacheRouteName);
             },
           ),
+          ElevatedButton(
+            key: const Key(kColorFilterWithUnstableChildName),
+            child: const Text('Color Filter with Ustable Child'),
+            onPressed: () {
+              Navigator.pushNamed(context, kColorFilterWithUnstableChildName);
+            },
+          ),
           ElevatedButton(
             key: const Key(kRasterCacheUseMemory),
             child: const Text('RasterCache Use Memory'),

dev/benchmarks/macrobenchmarks/lib/src/color_filter_with_unstable_child.dart

+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+
+class ColorFilterWithUnstableChildPage extends StatefulWidget {
+  const ColorFilterWithUnstableChildPage({super.key});
+
+  @override
+  State<StatefulWidget> createState() => _ColorFilterWithUnstableChildPageState();
+}
+
+class _ColorFilterWithUnstableChildPageState extends State<ColorFilterWithUnstableChildPage> with SingleTickerProviderStateMixin {
+  late Animation<double> _offsetY;
+  late AnimationController _controller;
+
+  @override
+  void initState() {
+    super.initState();
+    _controller = AnimationController(vsync: this, duration: const Duration(seconds: 2));
+    _offsetY = Tween<double>(begin: 0, end: -1000.0).animate(_controller);
+    _controller.repeat();
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return AnimatedBuilder(
+      animation: _offsetY,
+      builder: (BuildContext context, Widget? child) {
+        return Stack(children: List<Widget>.generate(50, (int i) => Positioned(
+          left: 0,
+          top: (200 * i).toDouble() + _offsetY.value,
+            child: ColorFiltered(
+              colorFilter: ColorFilter.mode(Colors.green[300]!, BlendMode.luminosity),
+              child: RepaintBoundary(
+                child: Container(
+                  // Slightly change width to invalidate raster cache.
+                  width: 1000 - (_offsetY.value / 100),
+                  height: 100, color: Colors.red,
+                ),
+              ),
+            ),
+        )));
+      }
+    );
+  }
+}

dev/benchmarks/macrobenchmarks/test/color_filter_with_unstable_child_perf_e2e.dart

+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:macrobenchmarks/common.dart';
+
+import 'util.dart';
+
+Future<void> main() async {
+  macroPerfTestE2E(
+    'color_filter_with_unstable_child_perf',
+    kColorFilterWithUnstableChildName,
+    pageDelay: const Duration(seconds: 1),
+    duration: const Duration(seconds: 10),
+  );
+}

dev/devicelab/bin/tasks/color_filter_with_unstable_child_perf__e2e_summary.dart

+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter_devicelab/framework/devices.dart';
+import 'package:flutter_devicelab/framework/framework.dart';
+import 'package:flutter_devicelab/tasks/perf_tests.dart';
+
+Future<void> main() async {
+  deviceOperatingSystem = DeviceOperatingSystem.android;
+  await task(createColorFilterWithUnstableChildPerfE2ETest());
+}

dev/devicelab/lib/tasks/perf_tests.dart

@@ -384,6 +384,13 @@ TaskFunction createColorFilterCachePerfE2ETest() {
   ).run;
 }
 
+TaskFunction createColorFilterWithUnstableChildPerfE2ETest() {
+  return PerfTest.e2e(
+    '${flutterDirectory.path}/dev/benchmarks/macrobenchmarks',
+    'test/color_filter_with_unstable_child_perf_e2e.dart',
+  ).run;
+}
+
 TaskFunction createRasterCacheUseMemoryPerfE2ETest() {
   return PerfTest.e2e(
     '${flutterDirectory.path}/dev/benchmarks/macrobenchmarks',