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shader: fix wave32 VCC halves and scalar mask moves

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Co-authored-by: Brandon Strong <brandostrong@gmail.com>
This commit is contained in:
nmzik
2026-09-07 06:04:40 +04:00
parent bf7ca29487
commit 6cc9e5de11
3 changed files with 56 additions and 5 deletions
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src/graphics/shader/recompiler/frontend/translate/Translate.cpp
+8 -1
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@@ -631,7 +631,10 @@ IR::U1 Translator::ReadMask(const Decoder::Operand& operand) {
case Decoder::OperandKind::ExecLo:
case Decoder::OperandKind::ExecHi: return ir.GetExec();
case Decoder::OperandKind::VccLo:
case Decoder::OperandKind::VccHi: return ir.GetVcc();
case Decoder::OperandKind::VccHi:
return current_wave_size == 32u
? ThreadBit({ReadRawU32(operand), IR::U32(IR::Value(0u))})
: ir.GetVcc();
case Decoder::OperandKind::Scc: return ir.GetScc();
case Decoder::OperandKind::VccZ: return ir.LogicalNot(ir.GetVcc());
case Decoder::OperandKind::ExecZ: return ir.LogicalNot(ir.GetExec());
@@ -697,6 +700,10 @@ std::array<IR::U32, 2> Translator::WriteMask(const Decoder::Operand& operand, IR
}
case Decoder::OperandKind::VccLo:
case Decoder::OperandKind::VccHi: {
if (!write_64 && current_wave_size == 32u) {
WriteRawU32(operand, mask[0]);
return mask;
}
ir.SetVcc(value);
ir.SetVccLo(mask[0]);
ir.SetVccHi(mask[1]);