[Impeller] add drawVertices and drawAtlas benchmarks. (#132080)

Adds impeller benchmarks to track the progress of improvements made in https://github.com/flutter/flutter/issues/131345

dev/benchmarks/macrobenchmarks/lib/common.dart

@@ -37,6 +37,8 @@ const String kListTextLayoutRouteName = '/list_text_layout';
 const String kAnimatedBlurBackdropFilter = '/animated_blur_backdrop_filter';
 const String kSlidersRouteName = '/sliders';
 const String kDrawPointsPageRougeName = '/draw_points';
+const String kDrawVerticesPageRouteName = '/draw_vertices';
+const String kDrawAtlasPageRouteName = '/draw_atlas';
 
 const String kOpacityPeepholeOneRectRouteName = '$kOpacityPeepholeRouteName/one_big_rect';
 const String kOpacityPeepholeColumnOfOpacityRouteName = '$kOpacityPeepholeRouteName/column_of_opacity';

dev/benchmarks/macrobenchmarks/lib/main.dart

@@ -18,7 +18,9 @@ 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/draw_atlas.dart';
 import 'src/draw_points.dart';
+import 'src/draw_vertices.dart';
 import 'src/filtered_child_animation.dart';
 import 'src/fullscreen_textfield.dart';
 import 'src/gradient_perf.dart';
@@ -91,6 +93,8 @@ class MacrobenchmarksApp extends StatelessWidget {
         kAnimatedBlurBackdropFilter: (BuildContext context) => const AnimatedBlurBackdropFilter(),
         kSlidersRouteName: (BuildContext context) => const SlidersPage(),
         kDrawPointsPageRougeName: (BuildContext context) => const DrawPointsPage(),
+        kDrawVerticesPageRouteName: (BuildContext context) => const DrawVerticesPage(),
+        kDrawAtlasPageRouteName: (BuildContext context) => const DrawAtlasPage(),
       },
     );
   }
@@ -345,7 +349,21 @@ class HomePage extends StatelessWidget {
             onPressed: () {
               Navigator.pushNamed(context, kDrawPointsPageRougeName);
             },
-          )
+          ),
+          ElevatedButton(
+            key: const Key(kDrawVerticesPageRouteName),
+            child: const Text('Draw Vertices'),
+            onPressed: () {
+              Navigator.pushNamed(context, kDrawVerticesPageRouteName);
+            },
+          ),
+          ElevatedButton(
+            key: const Key(kDrawAtlasPageRouteName),
+            child: const Text('Draw Atlas'),
+            onPressed: () {
+              Navigator.pushNamed(context, kDrawAtlasPageRouteName);
+            },
+          ),
         ],
       ),
     );

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

@@ -0,0 +1,116 @@
+// 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 'dart:ui' as ui;
+
+import 'package:flutter/material.dart';
+
+Future<ui.Image> loadImage(String asset) async {
+  final ui.ImmutableBuffer buffer =  await ui.ImmutableBuffer.fromAsset(asset);
+  final ui.Codec codec = await PaintingBinding.instance.instantiateImageCodecWithSize(buffer);
+  final ui.FrameInfo frameInfo = await codec.getNextFrame();
+  return frameInfo.image;
+}
+
+class DrawAtlasPage extends StatefulWidget  {
+  const DrawAtlasPage({super.key});
+
+  @override
+  State<DrawAtlasPage> createState() => _DrawAtlasPageState();
+}
+
+class _DrawAtlasPageState extends State<DrawAtlasPage> with SingleTickerProviderStateMixin {
+  late final AnimationController controller;
+  double tick = 0.0;
+  ui.Image? image;
+
+  @override
+  void initState() {
+    super.initState();
+    loadImage('packages/flutter_gallery_assets/food/butternut_squash_soup.png').then((ui.Image pending) {
+      setState(() {
+        image = pending;
+      });
+    });
+    controller = AnimationController(vsync: this, duration: const Duration(hours: 1));
+    controller.addListener(() {
+      setState(() {
+        tick += 1;
+      });
+    });
+    controller.forward(from: 0);
+  }
+
+  @override
+  void dispose() {
+    controller.dispose();
+    super.dispose();
+  }
+
+
+  @override
+  Widget build(BuildContext context) {
+    if (image == null) {
+      return const Placeholder();
+    }
+    return CustomPaint(
+      size: const Size(500, 500),
+      painter: VerticesPainter(tick, image!),
+      child: Container(),
+    );
+  }
+}
+
+class VerticesPainter extends CustomPainter {
+  VerticesPainter(this.tick, this.image);
+
+  final double tick;
+  final ui.Image image;
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    canvas.translate(0, tick);
+    canvas.drawAtlas(
+      image,
+      <RSTransform>[RSTransform.fromComponents(rotation: 0, scale: 1, anchorX: 0, anchorY: 0, translateX: 0, translateY: 0)],
+      <Rect>[Rect.fromLTWH(0, 0, image.width.toDouble(), image.height.toDouble())],
+      <Color>[Colors.red],
+      BlendMode.plus,
+      null,
+      Paint()
+    );
+    canvas.drawAtlas(
+      image,
+      <RSTransform>[RSTransform.fromComponents(rotation: 0, scale: 1, anchorX: 0, anchorY: 0, translateX: 250, translateY: 0)],
+      <Rect>[Rect.fromLTWH(0, 0, image.width.toDouble(), image.height.toDouble())],
+      <Color>[Colors.green],
+      BlendMode.plus,
+      null,
+      Paint()
+    );
+    canvas.drawAtlas(
+      image,
+      <RSTransform>[RSTransform.fromComponents(rotation: 0, scale: 1, anchorX: 0, anchorY: 0, translateX: 0, translateY: 250)],
+      <Rect>[Rect.fromLTWH(0, 0, image.width.toDouble(), image.height.toDouble())],
+      <Color>[Colors.blue],
+      BlendMode.plus,
+      null,
+      Paint()
+    );
+    canvas.drawAtlas(
+      image,
+      <RSTransform>[RSTransform.fromComponents(rotation: 0, scale: 1, anchorX: 0, anchorY: 0, translateX: 250, translateY: 250)],
+      <Rect>[Rect.fromLTWH(0, 0, image.width.toDouble(), image.height.toDouble())],
+      <Color>[Colors.yellow],
+      BlendMode.plus,
+      null,
+      Paint()
+    );
+  }
+
+  @override
+  bool shouldRepaint(covariant CustomPainter oldDelegate) {
+    return true;
+  }
+}

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

@@ -0,0 +1,114 @@
+// 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 'dart:ui' as ui;
+
+import 'package:flutter/material.dart';
+
+Future<ui.Image> loadImage(String asset) async {
+  final ui.ImmutableBuffer buffer =  await ui.ImmutableBuffer.fromAsset(asset);
+  final ui.Codec codec = await PaintingBinding.instance.instantiateImageCodecWithSize(buffer);
+  final ui.FrameInfo frameInfo = await codec.getNextFrame();
+  return frameInfo.image;
+}
+
+class DrawVerticesPage extends StatefulWidget  {
+  const DrawVerticesPage({super.key});
+
+  @override
+  State<DrawVerticesPage> createState() => _DrawVerticesPageState();
+}
+
+class _DrawVerticesPageState extends State<DrawVerticesPage> with SingleTickerProviderStateMixin {
+  late final AnimationController controller;
+  double tick = 0.0;
+  ui.Image? image;
+
+  @override
+  void initState() {
+    super.initState();
+    loadImage('packages/flutter_gallery_assets/food/butternut_squash_soup.png').then((ui.Image pending) {
+      setState(() {
+        image = pending;
+      });
+    });
+    controller = AnimationController(vsync: this, duration: const Duration(hours: 1));
+    controller.addListener(() {
+      setState(() {
+        tick += 1;
+      });
+    });
+    controller.forward(from: 0);
+  }
+
+  @override
+  void dispose() {
+    controller.dispose();
+    super.dispose();
+  }
+
+
+  @override
+  Widget build(BuildContext context) {
+    if (image == null) {
+      return const Placeholder();
+    }
+    return CustomPaint(
+      size: const Size(500, 500),
+      painter: VerticesPainter(tick, image!),
+      child: Container(),
+    );
+  }
+}
+
+class VerticesPainter extends CustomPainter {
+  VerticesPainter(this.tick, this.image);
+
+  final double tick;
+  final ui.Image image;
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    canvas.translate(0, tick);
+    final ui.Vertices vertices = ui.Vertices(
+      VertexMode.triangles,
+      const <Offset>[
+        Offset.zero,
+        Offset(0, 250),
+        Offset(250, 0),
+        Offset(0, 250),
+        Offset(250, 0),
+        Offset(250, 250)
+      ],
+      textureCoordinates: <Offset>[
+        Offset.zero,
+        Offset(0, image.height.toDouble()),
+        Offset(image.width.toDouble(), 0),
+        Offset(0, image.height.toDouble()),
+        Offset(image.width.toDouble(), 0),
+        Offset(image.width.toDouble(),  image.height.toDouble())
+      ],
+      colors: <Color>[
+        Colors.red,
+        Colors.blue,
+        Colors.green,
+        Colors.red,
+        Colors.blue,
+        Colors.green,
+      ]
+    );
+    canvas.drawVertices(vertices, BlendMode.plus, Paint()..shader = ImageShader(image, TileMode.clamp, TileMode.clamp, Matrix4.identity().storage));
+    canvas.translate(250, 0);
+    canvas.drawVertices(vertices, BlendMode.plus, Paint()..shader = ImageShader(image, TileMode.clamp, TileMode.clamp, Matrix4.identity().storage));
+    canvas.translate(0, 250);
+    canvas.drawVertices(vertices, BlendMode.plus, Paint()..shader = ImageShader(image, TileMode.clamp, TileMode.clamp, Matrix4.identity().storage));
+    canvas.translate(-250, 0);
+    canvas.drawVertices(vertices, BlendMode.plus, Paint()..shader = ImageShader(image, TileMode.clamp, TileMode.clamp, Matrix4.identity().storage));
+  }
+
+  @override
+  bool shouldRepaint(covariant CustomPainter oldDelegate) {
+    return true;
+  }
+}

dev/benchmarks/macrobenchmarks/test_driver/draw_atlas_perf_test.dart

@@ -0,0 +1,16 @@
+// 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';
+
+void main() {
+  macroPerfTest(
+    'draw_atlas_perf',
+    kDrawAtlasPageRouteName,
+    pageDelay: const Duration(seconds: 1),
+    duration: const Duration(seconds: 10),
+  );
+}

dev/benchmarks/macrobenchmarks/test_driver/draw_vertices_perf_test.dart

@@ -0,0 +1,16 @@
+// 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';
+
+void main() {
+  macroPerfTest(
+    'draw_vertices_perf',
+    kDrawVerticesPageRouteName,
+    pageDelay: const Duration(seconds: 1),
+    duration: const Duration(seconds: 10),
+  );
+}