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Profile and optimize retained rendering

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gamer147
2026-07-22 14:19:20 -04:00
parent 4c9719c5dc
commit 4ea352e45d
17 changed files with 1619 additions and 144 deletions
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27
engine/Age.Engine.Tests/MovieSurfaceRegistryTests.cs
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@@ -60,6 +60,33 @@ public class MovieSurfaceRegistryTests
Assert.False(registry.IsKnownMovieResource(0x2af5));
}
[Fact]
public void ResourceLookup_SelectsNewestPublishedPlaybackWithoutAllocating()
{
var registry = new MovieSurfaceRegistry();
MovieSurfaceBinding older = registry.Begin(7, 0x2b42, out _);
MovieSurfaceBinding unrelated = registry.Begin(8, 0x2bad, out _);
MovieSurfaceBinding newer = registry.Begin(9, 0x2b42, out _);
Assert.True(registry.PublishFrame(older.PlaybackId, Frame(1), "OLDER.AGF", 1));
Assert.True(registry.PublishFrame(unrelated.PlaybackId, Frame(2), "OTHER.AGF", 2));
Assert.True(registry.PublishFrame(newer.PlaybackId, Frame(3), "NEWER.AGF", 3));
Assert.True(registry.TryResolveResource(0x2b42, out MovieSurfaceFrame? warm));
Assert.Equal("NEWER.AGF", warm!.Name);
Assert.False(registry.TryResolveResource(0x2af5, out _));
long before = GC.GetAllocatedBytesForCurrentThread();
bool resultsCorrect = true;
for (int i = 0; i < 10_000; i++)
{
resultsCorrect &= registry.TryResolveResource(0x2b42, out _);
resultsCorrect &= !registry.TryResolveResource(0x2af5, out _);
}
long allocated = GC.GetAllocatedBytesForCurrentThread() - before;
Assert.True(resultsCorrect);
Assert.Equal(0, allocated);
}
private static RgbaImage Frame(byte value)
=> new(1, 1, new[] { value, value, value, (byte)255 });
}