perf(shader): cache pixel export masks (#288)

2026-07-22 19:06:15 +08:00 · 2026-07-17 02:17:39 +01:00
parent 7494792249
commit 6b1abc1a38
3 changed files with 74 additions and 25 deletions
@@ -0,0 +1,41 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using SharpEmu.ShaderCompiler;
+using Xunit;
+
+namespace SharpEmu.Libs.Tests.Agc;
+
+public sealed class Gen5ShaderProgramTests
+{
+    [Fact]
+    public void PixelColorExportMasksPackAllColorTargets()
+    {
+        var program = new Gen5ShaderProgram(
+            0,
+            [
+                Export(0, 0x1),
+                Export(0, 0x4),
+                Export(1, 0x2),
+                Export(2, 0x3),
+                Export(3, 0x4),
+                Export(4, 0x5),
+                Export(5, 0x6),
+                Export(6, 0x7),
+                Export(7, 0x8),
+                Export(8, 0xF),
+            ]);
+
+        Assert.Equal(0x8765_4325u, program.PixelColorExportMasks);
+        Assert.Equal(0x8765_4325u, program.PixelColorExportMasks);
+    }
+
+    private static Gen5ShaderInstruction Export(uint target, uint enableMask) => new(
+        0,
+        Gen5ShaderEncoding.Exp,
+        "exp",
+        [],
+        [],
+        [],
+        new Gen5ExportControl(target, enableMask, false, false, false));
+}