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

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This commit is contained in:
999sian
2026-07-17 02:17:39 +01:00
committed by GitHub
parent 7494792249
commit 6b1abc1a38
3 changed files with 74 additions and 25 deletions
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src/SharpEmu.ShaderCompiler/Gen5ShaderIr.cs
+22
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@@ -325,9 +325,31 @@ public sealed record Gen5ShaderProgram(
ulong Address,
IReadOnlyList<Gen5ShaderInstruction> Instructions)
{
private const uint PixelColorTargetCount = 8;
private const int PixelColorMaskBits = 4;
private readonly uint _pixelColorExportMasks = ComputePixelColorExportMasks(Instructions);
private const int ScalarRegisterCount = 256;
private IReadOnlySet<uint>? _runtimeScalarRegisters;
public uint PixelColorExportMasks => _pixelColorExportMasks;
private static uint ComputePixelColorExportMasks(
IReadOnlyList<Gen5ShaderInstruction> instructions)
{
var masks = 0u;
foreach (var instruction in instructions)
{
if (instruction.Control is Gen5ExportControl export &&
export.Target < PixelColorTargetCount)
{
masks |= (export.EnableMask & 0xFu) <<
(int)(export.Target * PixelColorMaskBits);
}
}
return masks;
}
public IEnumerable<Gen5ImageControl> ImageResources =>
Instructions
.Select(instruction => instruction.Control)