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[SpirvTranslator] Keep shader flags in uint variables 

Co-authored-by: TarkusR <90155059+TarkusR@users.noreply.github.com>
This commit is contained in:
ParantezTech 2026-10-01 16:40:37 +03:00
parent 1df02d85b3
commit e20b894e1e
1 changed files with 36 additions and 10 deletions
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46
src/SharpEmu.ShaderCompiler.Vulkan/Gen5SpirvTranslator.cs
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@ -142,7 +142,7 @@ public static partial class Gen5SpirvTranslator
private uint _uvec4Type;
private uint _privateUintPointer;
private uint _privateVec2Pointer;
private uint _privateBoolPointer;
private readonly HashSet<uint> _flagVariables = [];
private uint _runtimeBufferBiases;
private uint _scalarRegisters;
private uint _vectorRegisters;
@ -564,8 +564,6 @@ public static partial class Gen5SpirvTranslator
_module.TypePointer(SpirvStorageClass.Private, _uintType);
_privateVec2Pointer =
_module.TypePointer(SpirvStorageClass.Private, _vec2Type);
_privateBoolPointer =
_module.TypePointer(SpirvStorageClass.Private, _boolType);
var scalarArrayType = _module.TypeArray(_uintType, ScalarRegisterCount);
var vectorArrayType = _module.TypeArray(_uintType, VectorRegisterCount);
@ -7006,6 +7004,13 @@ public static partial class Gen5SpirvTranslator
return variable;
}
uint Flag(bool initialValue)
{
var variable = Variable(_uintType, UInt(initialValue ? 1u : 0u));
_flagVariables.Add(variable);
return variable;
}
_scalarRegisters = Variable(_scalarArrayType, _module.ConstantNull(_scalarArrayType));
_vectorRegisters = Variable(_vectorArrayType, _module.ConstantNull(_vectorArrayType));
if (_functionScopeState)
@ -7016,18 +7021,18 @@ public static partial class Gen5SpirvTranslator
_module.AddName(_packedHalfRegisters, "vgprPackedHalf");
}
_scc = Variable(_boolType, _module.ConstantBool(false));
_vcc = Variable(_boolType, _module.ConstantBool(false));
_exec = Variable(_boolType, _module.ConstantBool(true));
_reachedPixelExport = Variable(_boolType, _module.ConstantBool(false));
_scc = Flag(false);
_vcc = Flag(false);
_exec = Flag(true);
_reachedPixelExport = Flag(false);
if (_usesPixelValidMask)
{
_pixelValidMaskActive = Variable(_boolType, _module.ConstantBool(true));
_pixelValidMaskActive = Flag(true);
_module.AddName(_pixelValidMaskActive, "pixelValidMaskActive");
}
_programCounter = Variable(_uintType, _module.Constant(_uintType, 0));
_programActive = Variable(_boolType, _module.ConstantBool(true));
_programActive = Flag(true);
if (_maxDispatcherSteps > 0)
{
_iterationGuard = Variable(_uintType, _module.Constant(_uintType, 0));
@ -7307,11 +7312,32 @@ public static partial class Gen5SpirvTranslator
"SPIR-V generator attempted OpLoad from id 0.");
}
if (_flagVariables.Contains(pointer))
{
return _module.AddInstruction(
SpirvOp.INotEqual,
_boolType,
_module.AddInstruction(SpirvOp.Load, _uintType, pointer),
UInt(0));
}
return _module.AddInstruction(SpirvOp.Load, type, pointer);
}
private void Store(uint pointer, uint value) =>
private void Store(uint pointer, uint value)
{
if (_flagVariables.Contains(pointer))
{
value = _module.AddInstruction(
SpirvOp.Select,
_uintType,
value,
UInt(1),
UInt(0));
}
_module.AddStatement(SpirvOp.Store, pointer, value);
}
private uint UInt(uint value) => _module.Constant(_uintType, value);