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Fix ADV chrome one-shot blending

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This commit is contained in:
gamer147
2026-07-11 13:28:31 -04:00
parent 71ceab5458
commit 54d11f513d
7 changed files with 85 additions and 14 deletions
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16
engine/Age.Engine.Tests/SoftwareAffineRasterizerTests.cs
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@@ -40,4 +40,20 @@ public class SoftwareAffineRasterizerTests
Assert.InRange(dst[2], 5, 7);
Assert.InRange(dst[3], 126, 127);
}
[Fact]
public void BlitRgba_WhiteModulationPreservesYellowAndZeroOpacityHidesIt()
{
byte[] src = { 240, 192, 16, 255 };
byte[] visible = new byte[4];
var identity = new Affine2D(1, 0, 0, 1, 0, 0);
SoftwareAffineRasterizer.BlitRgba(visible, 1, 1, src, 1, 1, 0, 0, 1, 1,
identity, 0xffffff, 0, 1, multiplyTint: true);
Assert.Equal(new byte[] { 240, 192, 16, 255 }, visible);
byte[] hidden = new byte[4];
SoftwareAffineRasterizer.BlitRgba(hidden, 1, 1, src, 1, 1, 0, 0, 1, 1,
identity, 0xffffff, 0, 0, multiplyTint: true);
Assert.Equal(new byte[4], hidden);
}
}