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shader: preserve folded native constants for descriptor provenance

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This commit is contained in:
nmzik
2026-10-15 23:17:01 +02:00
parent e4019af522
commit c8caa27936
11 changed files with 111 additions and 43 deletions
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src/graphics/shader/recompiler/frontend/translate/Translate.cpp
+3 -3
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@@ -319,7 +319,7 @@ void Translator::WriteRawU32(const Decoder::Operand& operand, IR::U32 value) {
case Decoder::OperandKind::Sgpr: {
const auto reg = static_cast<IR::ScalarReg>(operand.reg);
ir.SetScalarReg(reg, value);
program.scalar_writes.push_back({current_pc, reg});
program.scalar_writes.push_back({current_pc, reg, value});
ir.SetScalarMaskTag(reg, IR::U1(IR::Value(false)));
if (IR::RegIndex(reg) > 0u) {
ir.SetScalarMaskTag(static_cast<IR::ScalarReg>(IR::RegIndex(reg) - 1u),
@@ -685,13 +685,13 @@ std::array<IR::U32, 2> Translator::WriteMask(const Decoder::Operand& operand, IR
IR::U1(IR::Value(false)));
}
ir.SetScalarReg(reg, mask[0]);
program.scalar_writes.push_back({current_pc, reg});
program.scalar_writes.push_back({current_pc, reg, mask[0]});
// A wave32 VALU mask destination must not overwrite the neighboring SGPR.
if ((write_64 || program.wave_size == 64u) &&
IR::RegIndex(reg) + 1u < IR::NumScalarRegs) {
const auto high = static_cast<IR::ScalarReg>(IR::RegIndex(reg) + 1u);
ir.SetScalarReg(high, mask[1]);
program.scalar_writes.push_back({current_pc, high});
program.scalar_writes.push_back({current_pc, high, mask[1]});
ir.SetThreadBitScalarReg(high, IR::U1(IR::Value(false)));
ir.SetScalarMaskTag(high, IR::U1(IR::Value(false)));
}