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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/Dispatch.cpp
+2 -4
View File
@@ -11,15 +11,13 @@ bool Translator::TranslateU64MaskOperation(const IR::Instruction& inst) {
: TranslateComposedInteger(inst);
}
bool Translator::TranslateInstruction(const IR::Instruction& inst,
const ScalarMemorySourceValues* scalar_source_snapshot) {
bool Translator::TranslateInstruction(const IR::Instruction& inst) {
switch (IR::GetOpcodeInfo(inst.op).lowering_class) {
case IR::LoweringClass::Control: return TranslateControlOperation(inst);
case IR::LoweringClass::Move: return TranslateMove(inst);
case IR::LoweringClass::Lane: return TranslateLaneOperation(inst);
case IR::LoweringClass::State: return TranslateStateOperation(inst);
case IR::LoweringClass::Memory:
return TranslateMemoryOperation(inst, scalar_source_snapshot);
case IR::LoweringClass::Memory: return TranslateMemoryOperation(inst);
case IR::LoweringClass::Attribute: return TranslateAttributeOperation(inst);
case IR::LoweringClass::IntegerCompare: return TranslateIntegerCompare(inst);
case IR::LoweringClass::Integer16Compare: return TranslateInteger16Compare(inst);
src/graphics/shader/recompiler/frontend/translate/Memory.cpp
+26 -29
View File
@@ -181,19 +181,7 @@ IR::ValueOpcode Translator::SharedAtomicOpcode(IR::Opcode opcode) {
}
}
bool Translator::IsScalarMemoryLoadOperation(IR::Opcode opcode) {
return opcode == IR::Opcode::SLoadDword || opcode == IR::Opcode::SBufferLoadDword;
}
ScalarMemorySourceValues Translator::ReadScalarMemorySource(const IR::Instruction& inst) {
const auto resource = inst.op == IR::Opcode::SLoadDword
? GetScalarAddressResource(inst.memory.resource)
: GetBufferResource(inst.memory);
return {resource, ReadU32(inst.src[0])};
}
bool Translator::TranslateScalarMemory(const IR::Instruction& inst,
const ScalarMemorySourceValues* source_snapshot) {
bool Translator::TranslateScalarMemory(const IR::Instruction& inst) {
switch (inst.op) {
case IR::Opcode::LoadSrtDword: {
const auto resource = ir.Emit(IR::ValueOpcode::GetSrtResource);
@@ -201,20 +189,30 @@ bool Translator::TranslateScalarMemory(const IR::Instruction& inst,
ir.Emit(IR::ValueOpcode::ReadConst, {resource, ReadU32(inst.src[0])}));
return true;
}
case IR::Opcode::SBufferLoadDword: {
const auto source =
source_snapshot != nullptr ? *source_snapshot : ReadScalarMemorySource(inst);
WriteOperand(inst.dst, ir.Emit(IR::ValueOpcode::ReadConstBuffer,
{source.resource, source.offset}, AddMemoryInfo(inst)));
return true;
}
case IR::Opcode::SBufferLoadDword:
case IR::Opcode::SLoadDword: {
const auto source =
source_snapshot != nullptr ? *source_snapshot : ReadScalarMemorySource(inst);
WriteOperand(inst.dst,
ir.Emit(IR::ValueOpcode::LoadAddressU32,
{source.resource, source.offset, IR::Value(0u), IR::Value(true)},
AddMemoryInfo(inst)));
const auto resource = inst.op == IR::Opcode::SLoadDword
? GetScalarAddressResource(inst.memory.resource)
: GetBufferResource(inst.memory);
const auto offset = ReadU32(inst.src[0]);
std::array<IR::Value, 16> loaded {};
for (uint32_t component = 0; component < inst.memory.data_dwords; component++) {
auto scalar = inst;
scalar.memory.offset += component * sizeof(uint32_t);
scalar.memory.data_dwords = 1u;
scalar.memory.component_index = component;
if (inst.op == IR::Opcode::SBufferLoadDword) {
loaded[component] = ir.Emit(IR::ValueOpcode::ReadConstBuffer,
{resource, offset}, AddMemoryInfo(scalar));
} else {
loaded[component] = ir.Emit(
IR::ValueOpcode::LoadAddressU32,
{resource, offset, IR::Value(0u), IR::Value(true)}, AddMemoryInfo(scalar));
}
}
for (uint32_t component = 0; component < inst.memory.data_dwords; component++) {
WriteOperand(ScalarDestinationOperand(inst.dst, component), loaded[component]);
}
return true;
}
default: return false;
@@ -681,13 +679,12 @@ bool Translator::TranslateSharedMemory(const IR::Instruction& inst) {
}
}
bool Translator::TranslateMemoryOperation(const IR::Instruction& inst,
const ScalarMemorySourceValues* scalar_source_snapshot) {
bool Translator::TranslateMemoryOperation(const IR::Instruction& inst) {
switch (inst.op) {
case IR::Opcode::LoadSrtDword:
case IR::Opcode::SLoadDword:
case IR::Opcode::SBufferLoadDword:
return TranslateScalarMemory(inst, scalar_source_snapshot);
return TranslateScalarMemory(inst);
case IR::Opcode::BufferLoadUbyte:
case IR::Opcode::BufferLoadSbyte:
src/graphics/shader/recompiler/frontend/translate/Translate.cpp
+24 -16
View File
@@ -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",
src/graphics/shader/recompiler/frontend/translate/Translator.h
+4 -13
View File
@@ -7,11 +7,6 @@
namespace Libs::Graphics::ShaderRecompiler::Frontend::Detail {
struct ScalarMemorySourceValues {
IR::Value resource;
IR::U32 offset;
};
class Translator {
public:
Translator(IR::ValueProgram& program, IR::Block* block, uint32_t vector_limit,
@@ -25,6 +20,7 @@ public:
private:
IR::Operand OffsetOperand(const IR::Operand& operand, uint32_t offset);
IR::Operand ScalarDestinationOperand(const IR::Operand& operand, uint32_t offset);
IR::Operand PlainOperand(const IR::Operand& operand);
IR::U32 ReadPcRelativeU32(const IR::Operand& operand);
std::array<IR::U32, 2> BallotMask(IR::U1 value);
@@ -85,10 +81,7 @@ private:
IR::Value NarrowSubdword(IR::U32 value, uint32_t bits);
IR::ValueOpcode BufferAtomicOpcode(IR::Opcode opcode);
IR::ValueOpcode SharedAtomicOpcode(IR::Opcode opcode);
bool IsScalarMemoryLoadOperation(IR::Opcode opcode);
ScalarMemorySourceValues ReadScalarMemorySource(const IR::Instruction& inst);
bool TranslateScalarMemory(const IR::Instruction& inst,
const ScalarMemorySourceValues* source_snapshot);
bool TranslateScalarMemory(const IR::Instruction& inst);
bool TranslateBufferLoad(const IR::Instruction& inst);
bool TranslateBufferStore(const IR::Instruction& inst);
bool TranslateAtomicMemory(const IR::Instruction& inst);
@@ -105,15 +98,13 @@ private:
uint32_t upper_result);
IR::U32 PackU16Lanes(IR::U32 low, IR::U32 high);
bool TranslateInstruction(const IR::Instruction& inst,
const ScalarMemorySourceValues* scalar_source_snapshot);
bool TranslateInstruction(const IR::Instruction& inst);
bool TranslateStateOperation(const IR::Instruction& inst);
bool TranslateControlOperation(const IR::Instruction& inst);
bool TranslateMove(const IR::Instruction& inst);
bool TranslateLaneOperation(const IR::Instruction& inst);
bool TranslateAttributeOperation(const IR::Instruction& inst);
bool TranslateMemoryOperation(const IR::Instruction& inst,
const ScalarMemorySourceValues* scalar_source_snapshot);
bool TranslateMemoryOperation(const IR::Instruction& inst);
bool TranslateIntegerCompare(const IR::Instruction& inst);
bool TranslateInteger16Compare(const IR::Instruction& inst);
bool TranslateFloatCompare(const IR::Instruction& inst);