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refactor(shader): preserve native scalar memory operations

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This commit is contained in:
nmzik
2026-08-19 09:37:43 +02:00
parent c236ba713d
commit 8063822243
10 changed files with 296 additions and 200 deletions
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src/graphics/shader/recompiler/frontend/translate/Translate.cpp
+24 -16
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@@ -37,6 +37,29 @@ IR::Operand Translator::OffsetOperand(const IR::Operand& operand, uint32_t offse
return result;
}
IR::Operand Translator::ScalarDestinationOperand(const IR::Operand& operand, uint32_t offset) {
EXIT_IF(operand.kind != IR::OperandKind::Register);
uint32_t code = 0;
switch (operand.reg.file) {
case IR::RegisterFile::Scalar: code = operand.reg.index; break;
case IR::RegisterFile::Vcc: code = 106u + operand.reg.index; break;
default: EXIT("invalid scalar-memory destination");
}
code += offset;
IR::Operand result;
result.kind = IR::OperandKind::Register;
if (code < 106u) {
result.reg = {IR::RegisterFile::Scalar, code};
} else {
switch (code) {
case 106u: result.reg = {IR::RegisterFile::Vcc, 0u}; break;
case 107u: result.reg = {IR::RegisterFile::Vcc, 1u}; break;
default: EXIT("scalar-memory destination crosses an invalid register");
}
}
return result;
}
IR::Operand Translator::PlainOperand(const IR::Operand& operand) {
auto result = operand;
result.sdwa_sel = 6;
@@ -653,28 +676,13 @@ void Translator::WriteCompareResult(const IR::Operand& operand, IR::U1 value) {
}
bool Translator::TranslateBlock(const IR::BasicBlock& source, std::string* error) {
ScalarMemorySourceValues scalar_source_snapshot {};
uint32_t scalar_source_pc = 0;
bool has_scalar_source_snapshot = false;
for (const auto& source_inst: source.instructions) {
current_opcode = source_inst.op;
current_pc = source_inst.pc;
const bool grouped_scalar_load =
IsScalarMemoryLoadOperation(source_inst.op) && source_inst.memory.component_count > 1u;
if (grouped_scalar_load &&
(!has_scalar_source_snapshot || scalar_source_pc != source_inst.pc ||
source_inst.memory.component_index == 0u)) {
scalar_source_snapshot = ReadScalarMemorySource(source_inst);
scalar_source_pc = source_inst.pc;
has_scalar_source_snapshot = true;
} else if (!grouped_scalar_load) {
has_scalar_source_snapshot = false;
}
if (static_cast<size_t>(source_inst.op) >= static_cast<size_t>(IR::Opcode::Count)) {
return Fail(error, "value IR input opcode is out of range");
}
if (TranslateInstruction(source_inst,
grouped_scalar_load ? &scalar_source_snapshot : nullptr)) {
if (TranslateInstruction(source_inst)) {
continue;
}
return Fail(error, fmt::format("opcode {} at 0x{:08x} has no typed Value IR lowering",