eden-emu
/
eden
mirror of https://git.eden-emu.dev/eden-emu/eden.git
1
0
Fork 0
Code Releases Wiki Activity
Browse Source

Merge pull request #4120 from lioncash/arb 

gl_arb_decompiler: Avoid several string copies
nce_cpp
bunnei 6 years ago
committed by GitHub
parent
ffb4204d71 64418ecaee
commit
02e70bc2b9
1 changed files with 31 additions and 32 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 63
      src/video_core/renderer_opengl/gl_arb_decompiler.cpp

63
src/video_core/renderer_opengl/gl_arb_decompiler.cpp
View File

@ -281,14 +281,14 @@ private:
template <const std::string_view& op> template <const std::string_view& op>
std::string Unary(Operation operation) { std::string Unary(Operation operation) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
AddLine("{}{} {}, {};", op, Modifiers(operation), temporary, Visit(operation[0])); AddLine("{}{} {}, {};", op, Modifiers(operation), temporary, Visit(operation[0]));
return temporary; return temporary;
} }
template <const std::string_view& op> template <const std::string_view& op>
std::string Binary(Operation operation) { std::string Binary(Operation operation) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
AddLine("{}{} {}, {}, {};", op, Modifiers(operation), temporary, Visit(operation[0]), AddLine("{}{} {}, {}, {};", op, Modifiers(operation), temporary, Visit(operation[0]),
Visit(operation[1])); Visit(operation[1]));
return temporary; return temporary;
@ -296,7 +296,7 @@ private:
template <const std::string_view& op> template <const std::string_view& op>
std::string Trinary(Operation operation) { std::string Trinary(Operation operation) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
AddLine("{}{} {}, {}, {}, {};", op, Modifiers(operation), temporary, Visit(operation[0]), AddLine("{}{} {}, {}, {}, {};", op, Modifiers(operation), temporary, Visit(operation[0]),
Visit(operation[1]), Visit(operation[2])); Visit(operation[1]), Visit(operation[2]));
return temporary; return temporary;
@ -304,7 +304,7 @@ private:
template <const std::string_view& op, bool unordered> template <const std::string_view& op, bool unordered>
std::string FloatComparison(Operation operation) { std::string FloatComparison(Operation operation) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
AddLine("TRUNC.U.CC RC.x, {};", Binary<op>(operation)); AddLine("TRUNC.U.CC RC.x, {};", Binary<op>(operation));
AddLine("MOV.S {}, 0;", temporary); AddLine("MOV.S {}, 0;", temporary);
AddLine("MOV.S {} (NE.x), -1;", temporary); AddLine("MOV.S {} (NE.x), -1;", temporary);
@ -331,7 +331,7 @@ private:
template <const std::string_view& op, bool is_nan> template <const std::string_view& op, bool is_nan>
std::string HalfComparison(Operation operation) { std::string HalfComparison(Operation operation) {
const std::string tmp1 = AllocVectorTemporary();
std::string tmp1 = AllocVectorTemporary();
const std::string tmp2 = AllocVectorTemporary(); const std::string tmp2 = AllocVectorTemporary();
const std::string op_a = Visit(operation[0]); const std::string op_a = Visit(operation[0]);
const std::string op_b = Visit(operation[1]); const std::string op_b = Visit(operation[1]);
@ -367,15 +367,14 @@ private:
AddLine("MOV.F {}.{}, {};", value, Swizzle(i), Visit(meta.values[i])); AddLine("MOV.F {}.{}, {};", value, Swizzle(i), Visit(meta.values[i]));
} }
const std::string result = coord;
AddLine("ATOMIM.{}.{} {}.x, {}, {}, image[{}], {};", op, type, result, value, coord,
AddLine("ATOMIM.{}.{} {}.x, {}, {}, image[{}], {};", op, type, coord, value, coord,
image_id, ImageType(meta.image.type)); image_id, ImageType(meta.image.type));
return fmt::format("{}.x", result);
return fmt::format("{}.x", coord);
} }
template <const std::string_view& op, const std::string_view& type> template <const std::string_view& op, const std::string_view& type>
std::string Atomic(Operation operation) { std::string Atomic(Operation operation) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
std::string address; std::string address;
std::string_view opname; std::string_view opname;
if (const auto gmem = std::get_if<GmemNode>(&*operation[0])) { if (const auto gmem = std::get_if<GmemNode>(&*operation[0])) {
@ -396,7 +395,7 @@ private:
template <char type> template <char type>
std::string Negate(Operation operation) { std::string Negate(Operation operation) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
if constexpr (type == 'F') { if constexpr (type == 'F') {
AddLine("MOV.F32 {}, -{};", temporary, Visit(operation[0])); AddLine("MOV.F32 {}, -{};", temporary, Visit(operation[0]));
} else { } else {
@ -407,7 +406,7 @@ private:
template <char type> template <char type>
std::string Absolute(Operation operation) { std::string Absolute(Operation operation) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
AddLine("MOV.{} {}, |{}|;", type, temporary, Visit(operation[0])); AddLine("MOV.{} {}, |{}|;", type, temporary, Visit(operation[0]));
return temporary; return temporary;
} }
@ -1156,20 +1155,20 @@ void ARBDecompiler::VisitAST(const ASTNode& node) {
} }
std::string ARBDecompiler::VisitExpression(const Expr& node) { std::string ARBDecompiler::VisitExpression(const Expr& node) {
const std::string result = AllocTemporary();
if (const auto expr = std::get_if<ExprAnd>(&*node)) { if (const auto expr = std::get_if<ExprAnd>(&*node)) {
std::string result = AllocTemporary();
AddLine("AND.U {}, {}, {};", result, VisitExpression(expr->operand1), AddLine("AND.U {}, {}, {};", result, VisitExpression(expr->operand1),
VisitExpression(expr->operand2)); VisitExpression(expr->operand2));
return result; return result;
} }
if (const auto expr = std::get_if<ExprOr>(&*node)) { if (const auto expr = std::get_if<ExprOr>(&*node)) {
const std::string result = AllocTemporary();
std::string result = AllocTemporary();
AddLine("OR.U {}, {}, {};", result, VisitExpression(expr->operand1), AddLine("OR.U {}, {}, {};", result, VisitExpression(expr->operand1),
VisitExpression(expr->operand2)); VisitExpression(expr->operand2));
return result; return result;
} }
if (const auto expr = std::get_if<ExprNot>(&*node)) { if (const auto expr = std::get_if<ExprNot>(&*node)) {
const std::string result = AllocTemporary();
std::string result = AllocTemporary();
AddLine("CMP.S {}, {}, 0, -1;", result, VisitExpression(expr->operand1)); AddLine("CMP.S {}, {}, 0, -1;", result, VisitExpression(expr->operand1));
return result; return result;
} }
@ -1186,7 +1185,7 @@ std::string ARBDecompiler::VisitExpression(const Expr& node) {
return expr->value ? "0xffffffff" : "0"; return expr->value ? "0xffffffff" : "0";
} }
if (const auto expr = std::get_if<ExprGprEqual>(&*node)) { if (const auto expr = std::get_if<ExprGprEqual>(&*node)) {
const std::string result = AllocTemporary();
std::string result = AllocTemporary();
AddLine("SEQ.U {}, R{}.x, {};", result, expr->gpr, expr->value); AddLine("SEQ.U {}, R{}.x, {};", result, expr->gpr, expr->value);
return result; return result;
} }
@ -1231,13 +1230,13 @@ std::string ARBDecompiler::Visit(const Node& node) {
} }
if (const auto immediate = std::get_if<ImmediateNode>(&*node)) { if (const auto immediate = std::get_if<ImmediateNode>(&*node)) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
AddLine("MOV.U {}, {};", temporary, immediate->GetValue()); AddLine("MOV.U {}, {};", temporary, immediate->GetValue());
return temporary; return temporary;
} }
if (const auto predicate = std::get_if<PredicateNode>(&*node)) { if (const auto predicate = std::get_if<PredicateNode>(&*node)) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
switch (const auto index = predicate->GetIndex(); index) { switch (const auto index = predicate->GetIndex(); index) {
case Tegra::Shader::Pred::UnusedIndex: case Tegra::Shader::Pred::UnusedIndex:
AddLine("MOV.S {}, -1;", temporary); AddLine("MOV.S {}, -1;", temporary);
@ -1333,13 +1332,13 @@ std::string ARBDecompiler::Visit(const Node& node) {
} else { } else {
offset_string = Visit(offset); offset_string = Visit(offset);
} }
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
AddLine("LDC.F32 {}, cbuf{}[{}];", temporary, cbuf->GetIndex(), offset_string); AddLine("LDC.F32 {}, cbuf{}[{}];", temporary, cbuf->GetIndex(), offset_string);
return temporary; return temporary;
} }
if (const auto gmem = std::get_if<GmemNode>(&*node)) { if (const auto gmem = std::get_if<GmemNode>(&*node)) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
AddLine("SUB.U {}, {}, {};", temporary, Visit(gmem->GetRealAddress()), AddLine("SUB.U {}, {}, {};", temporary, Visit(gmem->GetRealAddress()),
Visit(gmem->GetBaseAddress())); Visit(gmem->GetBaseAddress()));
AddLine("LDB.U32 {}, {}[{}];", temporary, GlobalMemoryName(gmem->GetDescriptor()), AddLine("LDB.U32 {}, {}[{}];", temporary, GlobalMemoryName(gmem->GetDescriptor()),
@ -1348,14 +1347,14 @@ std::string ARBDecompiler::Visit(const Node& node) {
} }
if (const auto lmem = std::get_if<LmemNode>(&*node)) { if (const auto lmem = std::get_if<LmemNode>(&*node)) {
const std::string temporary = Visit(lmem->GetAddress());
std::string temporary = Visit(lmem->GetAddress());
AddLine("SHR.U {}, {}, 2;", temporary, temporary); AddLine("SHR.U {}, {}, 2;", temporary, temporary);
AddLine("MOV.U {}, lmem[{}].x;", temporary, temporary); AddLine("MOV.U {}, lmem[{}].x;", temporary, temporary);
return temporary; return temporary;
} }
if (const auto smem = std::get_if<SmemNode>(&*node)) { if (const auto smem = std::get_if<SmemNode>(&*node)) {
const std::string temporary = Visit(smem->GetAddress());
std::string temporary = Visit(smem->GetAddress());
AddLine("LDS.U32 {}, shared_mem[{}];", temporary, temporary); AddLine("LDS.U32 {}, shared_mem[{}];", temporary, temporary);
return temporary; return temporary;
} }
@ -1535,7 +1534,7 @@ std::string ARBDecompiler::Assign(Operation operation) {
} }
std::string ARBDecompiler::Select(Operation operation) { std::string ARBDecompiler::Select(Operation operation) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
AddLine("CMP.S {}, {}, {}, {};", temporary, Visit(operation[0]), Visit(operation[1]), AddLine("CMP.S {}, {}, {}, {};", temporary, Visit(operation[0]), Visit(operation[1]),
Visit(operation[2])); Visit(operation[2]));
return temporary; return temporary;
@ -1545,12 +1544,12 @@ std::string ARBDecompiler::FClamp(Operation operation) {
// 1.0f in hex, replace with std::bit_cast on C++20 // 1.0f in hex, replace with std::bit_cast on C++20
static constexpr u32 POSITIVE_ONE = 0x3f800000; static constexpr u32 POSITIVE_ONE = 0x3f800000;
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
const Node& value = operation[0]; const Node& value = operation[0];
const Node& low = operation[1]; const Node& low = operation[1];
const Node& high = operation[2]; const Node& high = operation[2];
const auto imm_low = std::get_if<ImmediateNode>(&*low);
const auto imm_high = std::get_if<ImmediateNode>(&*high);
const auto* const imm_low = std::get_if<ImmediateNode>(&*low);
const auto* const imm_high = std::get_if<ImmediateNode>(&*high);
if (imm_low && imm_high && imm_low->GetValue() == 0 && imm_high->GetValue() == POSITIVE_ONE) { if (imm_low && imm_high && imm_low->GetValue() == 0 && imm_high->GetValue() == POSITIVE_ONE) {
AddLine("MOV.F32.SAT {}, {};", temporary, Visit(value)); AddLine("MOV.F32.SAT {}, {};", temporary, Visit(value));
} else { } else {
@ -1574,7 +1573,7 @@ std::string ARBDecompiler::FCastHalf1(Operation operation) {
} }
std::string ARBDecompiler::FSqrt(Operation operation) { std::string ARBDecompiler::FSqrt(Operation operation) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
AddLine("RSQ.F32 {}, {};", temporary, Visit(operation[0])); AddLine("RSQ.F32 {}, {};", temporary, Visit(operation[0]));
AddLine("RCP.F32 {}, {};", temporary, temporary); AddLine("RCP.F32 {}, {};", temporary, temporary);
return temporary; return temporary;
@ -1588,7 +1587,7 @@ std::string ARBDecompiler::FSwizzleAdd(Operation operation) {
AddLine("ADD.F {}.x, {}, {};", temporary, Visit(operation[0]), Visit(operation[1])); AddLine("ADD.F {}.x, {}, {};", temporary, Visit(operation[0]), Visit(operation[1]));
return fmt::format("{}.x", temporary); return fmt::format("{}.x", temporary);
} }
const std::string lut = AllocVectorTemporary();
AddLine("AND.U {}.z, {}.threadid, 3;", temporary, StageInputName(stage)); AddLine("AND.U {}.z, {}.threadid, 3;", temporary, StageInputName(stage));
AddLine("SHL.U {}.z, {}.z, 1;", temporary, temporary); AddLine("SHL.U {}.z, {}.z, 1;", temporary, temporary);
AddLine("SHR.U {}.z, {}, {}.z;", temporary, Visit(operation[2]), temporary); AddLine("SHR.U {}.z, {}, {}.z;", temporary, Visit(operation[2]), temporary);
@ -1766,21 +1765,21 @@ std::string ARBDecompiler::LogicalAssign(Operation operation) {
} }
std::string ARBDecompiler::LogicalPick2(Operation operation) { std::string ARBDecompiler::LogicalPick2(Operation operation) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
const u32 index = std::get<ImmediateNode>(*operation[1]).GetValue(); const u32 index = std::get<ImmediateNode>(*operation[1]).GetValue();
AddLine("MOV.U {}, {}.{};", temporary, Visit(operation[0]), Swizzle(index)); AddLine("MOV.U {}, {}.{};", temporary, Visit(operation[0]), Swizzle(index));
return temporary; return temporary;
} }
std::string ARBDecompiler::LogicalAnd2(Operation operation) { std::string ARBDecompiler::LogicalAnd2(Operation operation) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
const std::string op = Visit(operation[0]); const std::string op = Visit(operation[0]);
AddLine("AND.U {}, {}.x, {}.y;", temporary, op, op); AddLine("AND.U {}, {}.x, {}.y;", temporary, op, op);
return temporary; return temporary;
} }
std::string ARBDecompiler::FloatOrdered(Operation operation) { std::string ARBDecompiler::FloatOrdered(Operation operation) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
AddLine("MOVC.F32 RC.x, {};", Visit(operation[0])); AddLine("MOVC.F32 RC.x, {};", Visit(operation[0]));
AddLine("MOVC.F32 RC.y, {};", Visit(operation[1])); AddLine("MOVC.F32 RC.y, {};", Visit(operation[1]));
AddLine("MOV.S {}, -1;", temporary); AddLine("MOV.S {}, -1;", temporary);
@ -1790,7 +1789,7 @@ std::string ARBDecompiler::FloatOrdered(Operation operation) {
} }
std::string ARBDecompiler::FloatUnordered(Operation operation) { std::string ARBDecompiler::FloatUnordered(Operation operation) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
AddLine("MOVC.F32 RC.x, {};", Visit(operation[0])); AddLine("MOVC.F32 RC.x, {};", Visit(operation[0]));
AddLine("MOVC.F32 RC.y, {};", Visit(operation[1])); AddLine("MOVC.F32 RC.y, {};", Visit(operation[1]));
AddLine("MOV.S {}, 0;", temporary); AddLine("MOV.S {}, 0;", temporary);
@ -1800,7 +1799,7 @@ std::string ARBDecompiler::FloatUnordered(Operation operation) {
} }
std::string ARBDecompiler::LogicalAddCarry(Operation operation) { std::string ARBDecompiler::LogicalAddCarry(Operation operation) {
const std::string temporary = AllocTemporary();
std::string temporary = AllocTemporary();
AddLine("ADDC.U RC, {}, {};", Visit(operation[0]), Visit(operation[1])); AddLine("ADDC.U RC, {}, {};", Visit(operation[0]), Visit(operation[1]));
AddLine("MOV.S {}, 0;", temporary); AddLine("MOV.S {}, 0;", temporary);
AddLine("IF CF.x;"); AddLine("IF CF.x;");

Write Preview
Loading…
Cancel
Save