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refactor(shader): centralize opcode metadata and lookup paths

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nmzik committed 2026-08-05 02:59:28 +02:00
1 parent e6b4707a5d
commit 0a2f4814ac
16 files changed
+689 -964
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src/graphics/shader/recompiler/decompiler/ScalarAluOps.cpp
+12 -19
View File
@@ -1,14 +1,11 @@
#include "graphics/shader/recompiler/decompiler/ScalarAluOps.h"
#include <iterator>
#include "graphics/shader/recompiler/decompiler/OpcodeTable.h"
namespace Libs::Graphics::ShaderRecompiler::Decoder {
namespace {
struct OpcodeMap {
uint32_t opcode = 0;
Opcode ir = Opcode::Unknown;
};
using Detail::OpcodeMap;
constexpr OpcodeMap SOP2_OPS[] = {
{0x00u, Opcode::SAddU32}, {0x01u, Opcode::SSubU32}, {0x02u, Opcode::SAddI32},
@@ -79,15 +76,11 @@ constexpr OpcodeMap SOPP_OPS[] = {
{0x0au, Opcode::SBarrier}, {0x0cu, Opcode::SWaitcnt}, {0x0eu, Opcode::SSleep},
{0x10u, Opcode::SSendmsg}, {0x16u, Opcode::STtraceData}, {0x20u, Opcode::SInstPrefetch},
};
Opcode Lookup(const OpcodeMap* ops, uint32_t count, uint32_t opcode) {
for (uint32_t i = 0; i < count; i++) {
if (ops[i].opcode == opcode) {
return ops[i].ir;
}
}
return Opcode::Unsupported;
}
static_assert(Detail::HasUniqueEncodings(SOP1_OPS));
static_assert(Detail::HasUniqueEncodings(SOP2_OPS));
static_assert(Detail::HasUniqueEncodings(SOPK_OPS));
static_assert(Detail::HasUniqueEncodings(SOPC_OPS));
static_assert(Detail::HasUniqueEncodings(SOPP_OPS));
bool DecodeBinarySources(uint32_t pc, std::span<const uint32_t> code, uint32_t word_index,
Instruction& inst, uint32_t ssrc0, uint32_t ssrc1, std::string* error) {
@@ -112,7 +105,7 @@ bool DecodeSop1(uint32_t pc, std::span<const uint32_t> code, uint32_t word_index
inst.word = word;
inst.family = Family::SOP1;
inst.opcode_id = opcode;
inst.opcode = Lookup(SOP1_OPS, static_cast<uint32_t>(std::size(SOP1_OPS)), opcode);
inst.opcode = Detail::LookupOpcode(SOP1_OPS, opcode);
SetRawWords(inst, code, word_index, 1);
if (inst.opcode == Opcode::Unsupported) {
@@ -154,7 +147,7 @@ bool DecodeSop2(uint32_t pc, std::span<const uint32_t> code, uint32_t word_index
inst.word = word;
inst.family = Family::SOP2;
inst.opcode_id = opcode;
inst.opcode = Lookup(SOP2_OPS, static_cast<uint32_t>(std::size(SOP2_OPS)), opcode);
inst.opcode = Detail::LookupOpcode(SOP2_OPS, opcode);
SetRawWords(inst, code, word_index, 1);
if (inst.opcode == Opcode::Unsupported) {
@@ -181,7 +174,7 @@ bool DecodeSopk(uint32_t pc, std::span<const uint32_t> code, uint32_t word_index
inst.word = word;
inst.family = Family::SOPK;
inst.opcode_id = opcode;
inst.opcode = Lookup(SOPK_OPS, static_cast<uint32_t>(std::size(SOPK_OPS)), opcode);
inst.opcode = Detail::LookupOpcode(SOPK_OPS, opcode);
inst.src0.kind = OperandKind::IntegerInlineConstant;
inst.src0.signed_val = imm;
inst.src0.value = static_cast<uint32_t>(imm);
@@ -238,7 +231,7 @@ bool DecodeSopc(uint32_t pc, std::span<const uint32_t> code, uint32_t word_index
inst.word = word;
inst.family = Family::SOPC;
inst.opcode_id = opcode;
inst.opcode = Lookup(SOPC_OPS, static_cast<uint32_t>(std::size(SOPC_OPS)), opcode);
inst.opcode = Detail::LookupOpcode(SOPC_OPS, opcode);
inst.dst.kind = OperandKind::Scc;
SetRawWords(inst, code, word_index, 1);
@@ -262,7 +255,7 @@ bool DecodeSopp(uint32_t pc, std::span<const uint32_t> code, uint32_t word_index
inst.word = word;
inst.family = Family::SOPP;
inst.opcode_id = opcode;
inst.opcode = Lookup(SOPP_OPS, static_cast<uint32_t>(std::size(SOPP_OPS)), opcode);
inst.opcode = Detail::LookupOpcode(SOPP_OPS, opcode);
inst.src0.kind = OperandKind::LiteralConstant;
inst.src0.value = simm;
inst.src0.signed_val = static_cast<int16_t>(simm);