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feat(gfx): draw-texture records a retained layer in GfxState

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Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
gamer147
2026-07-07 19:46:21 -04:00
parent fc9e46ee85
commit 6dda931bc0
2 changed files with 22 additions and 0 deletions
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20
engine/Age.Engine.Tests/GfxCommandBufferTests.cs
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@@ -92,4 +92,24 @@ public class GfxCommandBufferTests
Assert.Equal((100L, 500L), (vm.Globals[10], vm.Globals[11])); // A intact
Assert.Equal((300L, 100L), (vm.Globals[20], vm.Globals[21])); // B intact, no cross-contamination
}
private static (int, Operand[]) DrawTex(int handle, int slot, int w, int h, int dx, int dy)
=> (0x1fb, new[] { G(handle), G(slot), I(0), I(0), G(w), G(h), G(dx), G(dy) });
[Fact]
public void DrawTextureRecordsARetainedLayer()
{
var t = T();
var scene = ScriptAssembler.Assemble(t, "GFX", new List<(int, Operand[])>
{
MovGI(1, 0xA), MovGI(2, 4), MovGI(3, 800), MovGI(4, 600), MovGI(5, 0), MovGI(6, 0),
DrawTex(1, 2, 3, 4, 5, 6), Exit(),
}, System.Array.Empty<string>());
var vm = new VirtualMachine(scene, t, new RecordingHost());
vm.Run();
var layers = vm.Gfx.SnapshotLayers();
Assert.Single(layers);
Assert.Equal(0xA, layers[0].Handle);
Assert.Equal((800, 600, 0, 0), (layers[0].W, layers[0].H, layers[0].DstX, layers[0].DstY));
}
}

2
engine/Age.Engine/Vm/VirtualMachine.cs
View File

@@ -216,6 +216,8 @@ public sealed class VirtualMachine
case "set-texture":
_host.SetTexture(Read(a[0]), (int)Read(a[1])); return pc + 1;
case "draw-texture": // (handle, slot, srcX, srcY, w, h, dstX, dstY)
Gfx.AddOrUpdateLayer(new DrawLayer(Read(a[0]), (int)Read(a[1]), (int)Read(a[2]), (int)Read(a[3]),
(int)Read(a[4]), (int)Read(a[5]), (int)Read(a[6]), (int)Read(a[7])));
_host.DrawTexture((int)Read(a[1]), (int)Read(a[2]), (int)Read(a[3]), (int)Read(a[4]),
(int)Read(a[5]), (int)Read(a[6]), (int)Read(a[7])); return pc + 1;
case "get-texture-size": // 0x208 (slot) (out_w) (out_h)