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feat(gfx): retained DrawLayer list in GfxState (thread-safe)

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Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
gamer147
2026-07-07 19:45:28 -04:00
parent 011d0900c5
commit b2e9b97790
2 changed files with 54 additions and 2 deletions
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26
engine/Age.Engine.Tests/GfxStateTests.cs
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@@ -59,4 +59,30 @@ public class GfxStateTests
Assert.Equal(-1, g.QuerySlot(0x10));
Assert.NotEqual(-1, g.QuerySlot(0x11));
}
[Fact]
public void LayersAppendInOrderAndUpdateInPlace()
{
var g = new GfxState();
g.AddOrUpdateLayer(new DrawLayer(0xA, 4, 0, 0, 800, 600, 0, 0));
g.AddOrUpdateLayer(new DrawLayer(0xB, 5, 0, 0, 200, 200, 100, 100));
g.AddOrUpdateLayer(new DrawLayer(0xA, 4, 0, 0, 800, 600, 0, 50)); // re-draw A -> update in place
var s = g.SnapshotLayers();
Assert.Equal(2, s.Count);
Assert.Equal(0xA, s[0].Handle); // order preserved (A still first)
Assert.Equal(50, s[0].DstY); // updated
Assert.Equal(0xB, s[1].Handle);
}
[Fact]
public void EraseRangeAlsoDropsLayers()
{
var g = new GfxState();
g.AddOrUpdateLayer(new DrawLayer(0x10, 4, 0, 0, 10, 10, 0, 0));
g.AddOrUpdateLayer(new DrawLayer(0x20, 5, 0, 0, 10, 10, 0, 0));
g.EraseRange(0x10, 1);
var s = g.SnapshotLayers();
Assert.Single(s);
Assert.Equal(0x20, s[0].Handle);
}
}