Add SpriteText benchmark

osu.Framework.Benchmarks/BenchmarkSpriteText.cs

@@ -0,0 +1,96 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Linq;
+using BenchmarkDotNet.Attributes;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Utils;
+using osuTK;
+
+namespace osu.Framework.Benchmarks
+{
+    public partial class BenchmarkSpriteText : GameBenchmark
+    {
+        private TestGame game = null!;
+
+        [Test]
+        [Benchmark]
+        public void TestStaticText()
+        {
+            game.Mode = 0;
+            RunSingleFrame();
+        }
+
+        [Test]
+        [Benchmark]
+        public void TestMovingText()
+        {
+            game.Mode = 1;
+            RunSingleFrame();
+        }
+
+        [Test]
+        [Benchmark]
+        public void TestChangingText()
+        {
+            game.Mode = 2;
+            RunSingleFrame();
+        }
+
+        protected override Game CreateGame() => game = new TestGame();
+
+        private partial class TestGame : Game
+        {
+            public int Mode;
+
+            private readonly string text1 = Guid.NewGuid().ToString();
+            private readonly string text2 = Guid.NewGuid().ToString();
+
+            private long frame;
+
+            [BackgroundDependencyLoader]
+            private void load()
+            {
+                for (int i = 0; i < 1000; i++)
+                {
+                    Add(new SpriteText
+                    {
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        Text = "i am some relatively long text",
+                    });
+                }
+            }
+
+            protected override void Update()
+            {
+                base.Update();
+
+                switch (Mode)
+                {
+                    case 0:
+                        break;
+
+                    case 1:
+                        var pos = new Vector2(RNG.NextSingle(100));
+
+                        foreach (var text in Children.OfType<SpriteText>())
+                            text.Position = pos;
+
+                        break;
+
+                    case 2:
+                        foreach (var text in Children.OfType<SpriteText>())
+                            text.Text = frame % 2 == 0 ? text1 : text2;
+                        break;
+                }
+
+                frame++;
+            }
+        }
+    }
+}