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graphics: split shader translation into explicit opcode dispatchers

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This commit is contained in:
nmzik
2026-08-26 08:48:17 +02:00
parent ffa69d48de
commit ab50c10d08
12 changed files with 2446 additions and 2358 deletions
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src/graphics/shader/recompiler/frontend/translate/Attribute.cpp
+43 -39
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@@ -57,46 +57,50 @@ bool Translator::TranslateEmbeddedFetch(const Decoder::Instruction& inst, uint32
return true;
}
bool Translator::TranslateAttributeOperation(const Decoder::Instruction& inst, std::string* error) {
void Translator::V_INTERP_P1_F32() {}
void Translator::V_INTERP_P2_F32(const Decoder::Instruction& inst) {
const auto value = ir.Emit(IR::ValueOpcode::GetAttribute,
{IR::Value(inst.src1.value), IR::Value(inst.src2.value)});
WriteOperand(inst.dst, value);
}
bool Translator::V_INTERP_MOV_F32(const Decoder::Instruction& inst, std::string* error) {
if (inst.src0.value >= 3u) {
return ShaderError::Fail(error,
fmt::format("v_interp_mov_f32 mode {} is reserved at pc 0x{:08x}",
inst.src0.value, inst.pc));
}
const auto value = ir.Emit(
IR::ValueOpcode::GetInterpolationParameter,
{IR::Value(inst.src1.value), IR::Value(inst.src2.value), IR::Value(inst.src0.value)});
WriteOperand(inst.dst, value);
return true;
}
bool Translator::EXP(const Decoder::Instruction& inst, std::string* error) {
uint32_t index = 0;
if (ExportTargetKindFromTarget(inst.exp.target, index) == IR::ExportTargetKind::Unknown) {
return ShaderError::Fail(error,
fmt::format("unsupported EXP target 0x{:02x} at pc 0x{:08x}",
inst.exp.target, inst.pc));
}
std::array<IR::Value, 4> components {IR::Value(0u), IR::Value(0u), IR::Value(0u),
IR::Value(0u)};
for (uint32_t source = 0; source < std::min(inst.src_count, 4u); source++) {
components[source] = ReadRawU32(PlainOperand(SourceAt(inst, source)));
}
const auto data = ir.Emit(IR::ValueOpcode::CompositeConstructU32x4,
{components[0], components[1], components[2], components[3]});
ir.Emit(IR::ValueOpcode::SetAttribute, {data, ir.GetExec()}, AddExportInfo(inst));
return true;
}
bool Translator::EmitInterpolation(const Decoder::Instruction& inst, std::string* error) {
switch (inst.opcode) {
case Decoder::Opcode::V_INTERP_P1_F32: return true;
case Decoder::Opcode::V_INTERP_P2_F32:
case Decoder::Opcode::V_INTERP_MOV_F32: {
if (inst.opcode == Decoder::Opcode::V_INTERP_MOV_F32 && inst.src0.value >= 3u) {
return ShaderError::Fail(
error, fmt::format("v_interp_mov_f32 mode {} is reserved at pc 0x{:08x}",
inst.src0.value, inst.pc));
}
const auto interpolation_mode =
inst.opcode == Decoder::Opcode::V_INTERP_MOV_F32 ? inst.src0.value : 3u;
const auto value =
interpolation_mode < 3u
? ir.Emit(IR::ValueOpcode::GetInterpolationParameter,
{IR::Value(inst.src1.value), IR::Value(inst.src2.value),
IR::Value(interpolation_mode)})
: ir.Emit(IR::ValueOpcode::GetAttribute,
{IR::Value(inst.src1.value), IR::Value(inst.src2.value)});
WriteOperand(inst.dst, value);
return true;
}
case Decoder::Opcode::EXP: {
uint32_t index = 0;
if (ExportTargetKindFromTarget(inst.exp.target, index) ==
IR::ExportTargetKind::Unknown) {
return ShaderError::Fail(
error, fmt::format("unsupported EXP target 0x{:02x} at pc 0x{:08x}",
inst.exp.target, inst.pc));
}
std::array<IR::Value, 4> components {IR::Value(0u), IR::Value(0u), IR::Value(0u),
IR::Value(0u)};
for (uint32_t source = 0; source < std::min(inst.src_count, 4u); source++) {
components[source] = ReadRawU32(PlainOperand(SourceAt(inst, source)));
}
const auto data = ir.Emit(IR::ValueOpcode::CompositeConstructU32x4,
{components[0], components[1], components[2], components[3]});
ir.Emit(IR::ValueOpcode::SetAttribute, {data, ir.GetExec()}, AddExportInfo(inst));
return true;
}
case Decoder::Opcode::V_INTERP_P1_F32: V_INTERP_P1_F32(); return true;
case Decoder::Opcode::V_INTERP_P2_F32: V_INTERP_P2_F32(inst); return true;
case Decoder::Opcode::V_INTERP_MOV_F32: return V_INTERP_MOV_F32(inst, error);
default: return false;
}
}