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Merge pull request #2944 from lioncash/ast 

video_core/shader: Minor changes
This commit is contained in:
Fernando Sahmkow 2019-10-05 12:02:51 -04:00 committed by GitHub
parent 3728bbc22a f883cd4f0e
commit 47ccfabe18
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 166 additions and 152 deletions
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122
src/video_core/shader/ast.cpp
View File

@ -17,6 +17,7 @@ void ASTZipper::Init(const ASTNode new_first, const ASTNode parent) {
ASSERT(new_first->manager == nullptr);
first = new_first;
last = new_first;
ASTNode current = first;
while (current) {
current->manager = this;
@ -92,7 +93,7 @@ void ASTZipper::InsertBefore(const ASTNode new_node, const ASTNode at_node) {
new_node->manager = this;
}
void ASTZipper::DetachTail(const ASTNode node) {
void ASTZipper::DetachTail(ASTNode node) {
ASSERT(node->manager == this);
if (node == first) {
first.reset();
@ -103,7 +104,8 @@ void ASTZipper::DetachTail(const ASTNode node) {
last = node->previous;
last->next.reset();
node->previous.reset();
ASTNode current = node;
ASTNode current = std::move(node);
while (current) {
current->manager = nullptr;
current->parent.reset();
@ -185,9 +187,7 @@ void ASTZipper::Remove(const ASTNode node) {
class ExprPrinter final {
public:
ExprPrinter() = default;
void operator()(ExprAnd const& expr) {
void operator()(const ExprAnd& expr) {
inner += "( ";
std::visit(*this, *expr.operand1);
inner += " && ";
@ -195,7 +195,7 @@ public:
inner += ')';
}
void operator()(ExprOr const& expr) {
void operator()(const ExprOr& expr) {
inner += "( ";
std::visit(*this, *expr.operand1);
inner += " || ";
@ -203,29 +203,29 @@ public:
inner += ')';
}
void operator()(ExprNot const& expr) {
void operator()(const ExprNot& expr) {
inner += "!";
std::visit(*this, *expr.operand1);
}
void operator()(ExprPredicate const& expr) {
void operator()(const ExprPredicate& expr) {
inner += "P" + std::to_string(expr.predicate);
}
void operator()(ExprCondCode const& expr) {
void operator()(const ExprCondCode& expr) {
u32 cc = static_cast<u32>(expr.cc);
inner += "CC" + std::to_string(cc);
}
void operator()(ExprVar const& expr) {
void operator()(const ExprVar& expr) {
inner += "V" + std::to_string(expr.var_index);
}
void operator()(ExprBoolean const& expr) {
void operator()(const ExprBoolean& expr) {
inner += expr.value ? "true" : "false";
}
std::string& GetResult() {
const std::string& GetResult() const {
return inner;
}
@ -234,9 +234,7 @@ public:
class ASTPrinter {
public:
ASTPrinter() = default;
void operator()(ASTProgram& ast) {
void operator()(const ASTProgram& ast) {
scope++;
inner += "program {\n";
ASTNode current = ast.nodes.GetFirst();
@ -248,7 +246,7 @@ public:
scope--;
}
void operator()(ASTIfThen& ast) {
void operator()(const ASTIfThen& ast) {
ExprPrinter expr_parser{};
std::visit(expr_parser, *ast.condition);
inner += Ident() + "if (" + expr_parser.GetResult() + ") {\n";
@ -262,7 +260,7 @@ public:
inner += Ident() + "}\n";
}
void operator()(ASTIfElse& ast) {
void operator()(const ASTIfElse& ast) {
inner += Ident() + "else {\n";
scope++;
ASTNode current = ast.nodes.GetFirst();
@ -274,34 +272,34 @@ public:
inner += Ident() + "}\n";
}
void operator()(ASTBlockEncoded& ast) {
void operator()(const ASTBlockEncoded& ast) {
inner += Ident() + "Block(" + std::to_string(ast.start) + ", " + std::to_string(ast.end) +
");\n";
}
void operator()(ASTBlockDecoded& ast) {
void operator()(const ASTBlockDecoded& ast) {
inner += Ident() + "Block;\n";
}
void operator()(ASTVarSet& ast) {
void operator()(const ASTVarSet& ast) {
ExprPrinter expr_parser{};
std::visit(expr_parser, *ast.condition);
inner +=
Ident() + "V" + std::to_string(ast.index) + " := " + expr_parser.GetResult() + ";\n";
}
void operator()(ASTLabel& ast) {
void operator()(const ASTLabel& ast) {
inner += "Label_" + std::to_string(ast.index) + ":\n";
}
void operator()(ASTGoto& ast) {
void operator()(const ASTGoto& ast) {
ExprPrinter expr_parser{};
std::visit(expr_parser, *ast.condition);
inner += Ident() + "(" + expr_parser.GetResult() + ") -> goto Label_" +
std::to_string(ast.label) + ";\n";
}
void operator()(ASTDoWhile& ast) {
void operator()(const ASTDoWhile& ast) {
ExprPrinter expr_parser{};
std::visit(expr_parser, *ast.condition);
inner += Ident() + "do {\n";
@ -315,14 +313,14 @@ public:
inner += Ident() + "} while (" + expr_parser.GetResult() + ");\n";
}
void operator()(ASTReturn& ast) {
void operator()(const ASTReturn& ast) {
ExprPrinter expr_parser{};
std::visit(expr_parser, *ast.condition);
inner += Ident() + "(" + expr_parser.GetResult() + ") -> " +
(ast.kills ? "discard" : "exit") + ";\n";
}
void operator()(ASTBreak& ast) {
void operator()(const ASTBreak& ast) {
ExprPrinter expr_parser{};
std::visit(expr_parser, *ast.condition);
inner += Ident() + "(" + expr_parser.GetResult() + ") -> break;\n";
@ -341,7 +339,7 @@ public:
std::visit(*this, *node->GetInnerData());
}
std::string& GetResult() {
const std::string& GetResult() const {
return inner;
}
@ -352,11 +350,9 @@ private:
std::string tabs_memo{};
u32 memo_scope{};
static std::string tabs;
static constexpr std::string_view tabs{" "};
};
std::string ASTPrinter::tabs = " ";
std::string ASTManager::Print() {
ASTPrinter printer{};
printer.Visit(main_node);
@ -376,30 +372,6 @@ void ASTManager::Init() {
false_condition = MakeExpr<ExprBoolean>(false);
}
ASTManager::ASTManager(ASTManager&& other) noexcept
: labels_map(std::move(other.labels_map)), labels_count{other.labels_count},
gotos(std::move(other.gotos)), labels(std::move(other.labels)), variables{other.variables},
program{other.program}, main_node{other.main_node}, false_condition{other.false_condition},
disable_else_derivation{other.disable_else_derivation} {
other.main_node.reset();
}
ASTManager& ASTManager::operator=(ASTManager&& other) noexcept {
full_decompile = other.full_decompile;
labels_map = std::move(other.labels_map);
labels_count = other.labels_count;
gotos = std::move(other.gotos);
labels = std::move(other.labels);
variables = other.variables;
program = other.program;
main_node = other.main_node;
false_condition = other.false_condition;
disable_else_derivation = other.disable_else_derivation;
other.main_node.reset();
return *this;
}
void ASTManager::DeclareLabel(u32 address) {
const auto pair = labels_map.emplace(address, labels_count);
if (pair.second) {
@ -417,19 +389,19 @@ void ASTManager::InsertLabel(u32 address) {
void ASTManager::InsertGoto(Expr condition, u32 address) {
const u32 index = labels_map[address];
const ASTNode goto_node = ASTBase::Make<ASTGoto>(main_node, condition, index);
const ASTNode goto_node = ASTBase::Make<ASTGoto>(main_node, std::move(condition), index);
gotos.push_back(goto_node);
program->nodes.PushBack(goto_node);
}
void ASTManager::InsertBlock(u32 start_address, u32 end_address) {
const ASTNode block = ASTBase::Make<ASTBlockEncoded>(main_node, start_address, end_address);
program->nodes.PushBack(block);
ASTNode block = ASTBase::Make<ASTBlockEncoded>(main_node, start_address, end_address);
program->nodes.PushBack(std::move(block));
}
void ASTManager::InsertReturn(Expr condition, bool kills) {
const ASTNode node = ASTBase::Make<ASTReturn>(main_node, condition, kills);
program->nodes.PushBack(node);
ASTNode node = ASTBase::Make<ASTReturn>(main_node, std::move(condition), kills);
program->nodes.PushBack(std::move(node));
}
// The decompile algorithm is based on
@ -496,10 +468,10 @@ void ASTManager::Decompile() {
}
labels.clear();
} else {
auto it = labels.begin();
while (it != labels.end()) {
auto label_it = labels.begin();
while (label_it != labels.end()) {
bool can_remove = true;
ASTNode label = *it;
ASTNode label = *label_it;
for (const ASTNode& goto_node : gotos) {
const auto label_index = goto_node->GetGotoLabel();
if (!label_index) {
@ -543,11 +515,11 @@ bool ASTManager::IsBackwardsJump(ASTNode goto_node, ASTNode label_node) const {
return false;
}
bool ASTManager::IndirectlyRelated(ASTNode first, ASTNode second) {
bool ASTManager::IndirectlyRelated(const ASTNode& first, const ASTNode& second) const {
return !(first->GetParent() == second->GetParent() || DirectlyRelated(first, second));
}
bool ASTManager::DirectlyRelated(ASTNode first, ASTNode second) {
bool ASTManager::DirectlyRelated(const ASTNode& first, const ASTNode& second) const {
if (first->GetParent() == second->GetParent()) {
return false;
}
@ -577,7 +549,7 @@ bool ASTManager::DirectlyRelated(ASTNode first, ASTNode second) {
return min->GetParent() == max->GetParent();
}
void ASTManager::ShowCurrentState(std::string state) {
void ASTManager::ShowCurrentState(std::string_view state) {
LOG_CRITICAL(HW_GPU, "\nState {}:\n\n{}\n", state, Print());
SanityCheck();
}
@ -696,7 +668,7 @@ class ASTClearer {
public:
ASTClearer() = default;
void operator()(ASTProgram& ast) {
void operator()(const ASTProgram& ast) {
ASTNode current = ast.nodes.GetFirst();
while (current) {
Visit(current);
@ -704,7 +676,7 @@ public:
}
}
void operator()(ASTIfThen& ast) {
void operator()(const ASTIfThen& ast) {
ASTNode current = ast.nodes.GetFirst();
while (current) {
Visit(current);
@ -712,7 +684,7 @@ public:
}
}
void operator()(ASTIfElse& ast) {
void operator()(const ASTIfElse& ast) {
ASTNode current = ast.nodes.GetFirst();
while (current) {
Visit(current);
@ -720,19 +692,19 @@ public:
}
}
void operator()(ASTBlockEncoded& ast) {}
void operator()([[maybe_unused]] const ASTBlockEncoded& ast) {}
void operator()(ASTBlockDecoded& ast) {
ast.nodes.clear();
}
void operator()(ASTVarSet& ast) {}
void operator()([[maybe_unused]] const ASTVarSet& ast) {}
void operator()(ASTLabel& ast) {}
void operator()([[maybe_unused]] const ASTLabel& ast) {}
void operator()(ASTGoto& ast) {}
void operator()([[maybe_unused]] const ASTGoto& ast) {}
void operator()(ASTDoWhile& ast) {
void operator()(const ASTDoWhile& ast) {
ASTNode current = ast.nodes.GetFirst();
while (current) {
Visit(current);
@ -740,11 +712,11 @@ public:
}
}
void operator()(ASTReturn& ast) {}
void operator()([[maybe_unused]] const ASTReturn& ast) {}
void operator()(ASTBreak& ast) {}
void operator()([[maybe_unused]] const ASTBreak& ast) {}
void Visit(ASTNode& node) {
void Visit(const ASTNode& node) {
std::visit(*this, *node->GetInnerData());
node->Clear();
}

91
src/video_core/shader/ast.h
View File

@ -18,17 +18,17 @@
namespace VideoCommon::Shader {
class ASTBase;
class ASTProgram;
class ASTIfThen;
class ASTIfElse;
class ASTBlockEncoded;
class ASTBlockDecoded;
class ASTVarSet;
class ASTGoto;
class ASTLabel;
class ASTDoWhile;
class ASTReturn;
class ASTBlockEncoded;
class ASTBreak;
class ASTDoWhile;
class ASTGoto;
class ASTIfElse;
class ASTIfThen;
class ASTLabel;
class ASTProgram;
class ASTReturn;
class ASTVarSet;
using ASTData = std::variant<ASTProgram, ASTIfThen, ASTIfElse, ASTBlockEncoded, ASTBlockDecoded,
ASTVarSet, ASTGoto, ASTLabel, ASTDoWhile, ASTReturn, ASTBreak>;
@ -48,11 +48,11 @@ public:
void Init(ASTNode first, ASTNode parent);
ASTNode GetFirst() {
ASTNode GetFirst() const {
return first;
}
ASTNode GetLast() {
ASTNode GetLast() const {
return last;
}
@ -71,20 +71,18 @@ public:
class ASTProgram {
public:
explicit ASTProgram() = default;
ASTZipper nodes{};
};
class ASTIfThen {
public:
explicit ASTIfThen(Expr condition) : condition(condition) {}
explicit ASTIfThen(Expr condition) : condition{std::move(condition)} {}
Expr condition;
ASTZipper nodes{};
};
class ASTIfElse {
public:
explicit ASTIfElse() = default;
ASTZipper nodes{};
};
@ -103,7 +101,7 @@ public:
class ASTVarSet {
public:
explicit ASTVarSet(u32 index, Expr condition) : index{index}, condition{condition} {}
explicit ASTVarSet(u32 index, Expr condition) : index{index}, condition{std::move(condition)} {}
u32 index;
Expr condition;
};
@ -117,42 +115,45 @@ public:
class ASTGoto {
public:
explicit ASTGoto(Expr condition, u32 label) : condition{condition}, label{label} {}
explicit ASTGoto(Expr condition, u32 label) : condition{std::move(condition)}, label{label} {}
Expr condition;
u32 label;
};
class ASTDoWhile {
public:
explicit ASTDoWhile(Expr condition) : condition(condition) {}
explicit ASTDoWhile(Expr condition) : condition{std::move(condition)} {}
Expr condition;
ASTZipper nodes{};
};
class ASTReturn {
public:
explicit ASTReturn(Expr condition, bool kills) : condition{condition}, kills{kills} {}
explicit ASTReturn(Expr condition, bool kills)
: condition{std::move(condition)}, kills{kills} {}
Expr condition;
bool kills;
};
class ASTBreak {
public:
explicit ASTBreak(Expr condition) : condition{condition} {}
explicit ASTBreak(Expr condition) : condition{std::move(condition)} {}
Expr condition;
};
class ASTBase {
public:
explicit ASTBase(ASTNode parent, ASTData data) : parent{parent}, data{data} {}
explicit ASTBase(ASTNode parent, ASTData data)
: data{std::move(data)}, parent{std::move(parent)} {}
template <class U, class... Args>
static ASTNode Make(ASTNode parent, Args&&... args) {
return std::make_shared<ASTBase>(parent, ASTData(U(std::forward<Args>(args)...)));
return std::make_shared<ASTBase>(std::move(parent),
ASTData(U(std::forward<Args>(args)...)));
}
void SetParent(ASTNode new_parent) {
parent = new_parent;
parent = std::move(new_parent);
}
ASTNode& GetParent() {
@ -177,6 +178,10 @@ public:
return &data;
}
const ASTData* GetInnerData() const {
return &data;
}
ASTNode GetNext() const {
return next;
}
@ -189,6 +194,10 @@ public:
return *manager;
}
const ASTZipper& GetManager() const {
return *manager;
}
std::optional<u32> GetGotoLabel() const {
auto inner = std::get_if<ASTGoto>(&data);
if (inner) {
@ -239,7 +248,7 @@ public:
void SetGotoCondition(Expr new_condition) {
auto inner = std::get_if<ASTGoto>(&data);
if (inner) {
inner->condition = new_condition;
inner->condition = std::move(new_condition);
}
}
@ -304,8 +313,8 @@ public:
ASTManager(const ASTManager& o) = delete;
ASTManager& operator=(const ASTManager& other) = delete;
ASTManager(ASTManager&& other) noexcept;
ASTManager& operator=(ASTManager&& other) noexcept;
ASTManager(ASTManager&& other) noexcept = default;
ASTManager& operator=(ASTManager&& other) noexcept = default;
void Init();
@ -323,7 +332,7 @@ public:
void Decompile();
void ShowCurrentState(std::string state);
void ShowCurrentState(std::string_view state);
void SanityCheck();
@ -331,20 +340,20 @@ public:
bool IsFullyDecompiled() const {
if (full_decompile) {
return gotos.size() == 0;
} else {
for (ASTNode goto_node : gotos) {
auto label_index = goto_node->GetGotoLabel();
if (!label_index) {
return false;
}
ASTNode glabel = labels[*label_index];
if (IsBackwardsJump(goto_node, glabel)) {
return false;
}
}
return true;
return gotos.empty();
}
for (ASTNode goto_node : gotos) {
auto label_index = goto_node->GetGotoLabel();
if (!label_index) {
return false;
}
ASTNode glabel = labels[*label_index];
if (IsBackwardsJump(goto_node, glabel)) {
return false;
}
}
return true;
}
ASTNode GetProgram() const {
@ -362,9 +371,9 @@ public:
private:
bool IsBackwardsJump(ASTNode goto_node, ASTNode label_node) const;
bool IndirectlyRelated(ASTNode first, ASTNode second);
bool IndirectlyRelated(const ASTNode& first, const ASTNode& second) const;
bool DirectlyRelated(ASTNode first, ASTNode second);
bool DirectlyRelated(const ASTNode& first, const ASTNode& second) const;
void EncloseDoWhile(ASTNode goto_node, ASTNode label);

23
src/video_core/shader/control_flow.cpp
View File

@ -479,7 +479,7 @@ std::unique_ptr<ShaderCharacteristics> ScanFlow(const ProgramCode& program_code,
auto result_out = std::make_unique<ShaderCharacteristics>();
if (settings.depth == CompileDepth::BruteForce) {
result_out->settings.depth = CompileDepth::BruteForce;
return std::move(result_out);
return result_out;
}
CFGRebuildState state{program_code, program_size, start_address};
@ -490,7 +490,7 @@ std::unique_ptr<ShaderCharacteristics> ScanFlow(const ProgramCode& program_code,
while (!state.inspect_queries.empty()) {
if (!TryInspectAddress(state)) {
result_out->settings.depth = CompileDepth::BruteForce;
return std::move(result_out);
return result_out;
}
}
@ -530,14 +530,15 @@ std::unique_ptr<ShaderCharacteristics> ScanFlow(const ProgramCode& program_code,
state.manager->ShowCurrentState("Of Shader");
state.manager->Clear();
} else {
auto result_out = std::make_unique<ShaderCharacteristics>();
result_out->start = start_address;
result_out->settings.depth = settings.depth;
result_out->manager = std::move(manager);
result_out->end = state.block_info.back().end + 1;
return std::move(result_out);
auto characteristics = std::make_unique<ShaderCharacteristics>();
characteristics->start = start_address;
characteristics->settings.depth = settings.depth;
characteristics->manager = std::move(manager);
characteristics->end = state.block_info.back().end + 1;
return characteristics;
}
}
result_out->start = start_address;
result_out->settings.depth =
use_flow_stack ? CompileDepth::FlowStack : CompileDepth::NoFlowStack;
@ -557,8 +558,9 @@ std::unique_ptr<ShaderCharacteristics> ScanFlow(const ProgramCode& program_code,
}
if (!use_flow_stack) {
result_out->labels = std::move(state.labels);
return std::move(result_out);
return result_out;
}
auto back = result_out->blocks.begin();
auto next = std::next(back);
while (next != result_out->blocks.end()) {
@ -570,6 +572,7 @@ std::unique_ptr<ShaderCharacteristics> ScanFlow(const ProgramCode& program_code,
back = next;
++next;
}
return std::move(result_out);
return result_out;
}
} // namespace VideoCommon::Shader

41
src/video_core/shader/expr.cpp
View File

@ -2,40 +2,51 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <variant>
#include "video_core/shader/expr.h"
namespace VideoCommon::Shader {
namespace {
bool ExprIsBoolean(const Expr& expr) {
return std::holds_alternative<ExprBoolean>(*expr);
}
bool ExprBooleanGet(const Expr& expr) {
return std::get_if<ExprBoolean>(expr.get())->value;
}
} // Anonymous namespace
bool ExprAnd::operator==(const ExprAnd& b) const {
return (*operand1 == *b.operand1) && (*operand2 == *b.operand2);
}
bool ExprAnd::operator!=(const ExprAnd& b) const {
return !operator==(b);
}
bool ExprOr::operator==(const ExprOr& b) const {
return (*operand1 == *b.operand1) && (*operand2 == *b.operand2);
}
bool ExprOr::operator!=(const ExprOr& b) const {
return !operator==(b);
}
bool ExprNot::operator==(const ExprNot& b) const {
return (*operand1 == *b.operand1);
return *operand1 == *b.operand1;
}
bool ExprIsBoolean(Expr expr) {
return std::holds_alternative<ExprBoolean>(*expr);
}
bool ExprBooleanGet(Expr expr) {
return std::get_if<ExprBoolean>(expr.get())->value;
bool ExprNot::operator!=(const ExprNot& b) const {
return !operator==(b);
}
Expr MakeExprNot(Expr first) {
if (std::holds_alternative<ExprNot>(*first)) {
return std::get_if<ExprNot>(first.get())->operand1;
}
return MakeExpr<ExprNot>(first);
return MakeExpr<ExprNot>(std::move(first));
}
Expr MakeExprAnd(Expr first, Expr second) {
@ -45,7 +56,7 @@ Expr MakeExprAnd(Expr first, Expr second) {
if (ExprIsBoolean(second)) {
return ExprBooleanGet(second) ? first : second;
}
return MakeExpr<ExprAnd>(first, second);
return MakeExpr<ExprAnd>(std::move(first), std::move(second));
}
Expr MakeExprOr(Expr first, Expr second) {
@ -55,14 +66,14 @@ Expr MakeExprOr(Expr first, Expr second) {
if (ExprIsBoolean(second)) {
return ExprBooleanGet(second) ? second : first;
}
return MakeExpr<ExprOr>(first, second);
return MakeExpr<ExprOr>(std::move(first), std::move(second));
}
bool ExprAreEqual(Expr first, Expr second) {
bool ExprAreEqual(const Expr& first, const Expr& second) {
return (*first) == (*second);
}
bool ExprAreOpposite(Expr first, Expr second) {
bool ExprAreOpposite(const Expr& first, const Expr& second) {
if (std::holds_alternative<ExprNot>(*first)) {
return ExprAreEqual(std::get_if<ExprNot>(first.get())->operand1, second);
}
@ -72,7 +83,7 @@ bool ExprAreOpposite(Expr first, Expr second) {
return false;
}
bool ExprIsTrue(Expr first) {
bool ExprIsTrue(const Expr& first) {
if (ExprIsBoolean(first)) {
return ExprBooleanGet(first);
}

41
src/video_core/shader/expr.h
View File

@ -15,12 +15,12 @@ using Tegra::Shader::ConditionCode;
using Tegra::Shader::Pred;
class ExprAnd;
class ExprOr;
class ExprNot;
class ExprPredicate;
class ExprCondCode;
class ExprVar;
class ExprBoolean;
class ExprCondCode;
class ExprNot;
class ExprOr;
class ExprPredicate;
class ExprVar;
using ExprData =
std::variant<ExprVar, ExprCondCode, ExprPredicate, ExprNot, ExprOr, ExprAnd, ExprBoolean>;
@ -28,9 +28,10 @@ using Expr = std::shared_ptr<ExprData>;
class ExprAnd final {
public:
explicit ExprAnd(Expr a, Expr b) : operand1{a}, operand2{b} {}
explicit ExprAnd(Expr a, Expr b) : operand1{std::move(a)}, operand2{std::move(b)} {}
bool operator==(const ExprAnd& b) const;
bool operator!=(const ExprAnd& b) const;
Expr operand1;
Expr operand2;
@ -38,9 +39,10 @@ public:
class ExprOr final {
public:
explicit ExprOr(Expr a, Expr b) : operand1{a}, operand2{b} {}
explicit ExprOr(Expr a, Expr b) : operand1{std::move(a)}, operand2{std::move(b)} {}
bool operator==(const ExprOr& b) const;
bool operator!=(const ExprOr& b) const;
Expr operand1;
Expr operand2;
@ -48,9 +50,10 @@ public:
class ExprNot final {
public:
explicit ExprNot(Expr a) : operand1{a} {}
explicit ExprNot(Expr a) : operand1{std::move(a)} {}
bool operator==(const ExprNot& b) const;
bool operator!=(const ExprNot& b) const;
Expr operand1;
};
@ -63,6 +66,10 @@ public:
return var_index == b.var_index;
}
bool operator!=(const ExprVar& b) const {
return !operator==(b);
}
u32 var_index;
};
@ -74,6 +81,10 @@ public:
return predicate == b.predicate;
}
bool operator!=(const ExprPredicate& b) const {
return !operator==(b);
}
u32 predicate;
};
@ -85,6 +96,10 @@ public:
return cc == b.cc;
}
bool operator!=(const ExprCondCode& b) const {
return !operator==(b);
}
ConditionCode cc;
};
@ -96,6 +111,10 @@ public:
return value == b.value;
}
bool operator!=(const ExprBoolean& b) const {
return !operator==(b);
}
bool value;
};
@ -105,9 +124,9 @@ Expr MakeExpr(Args&&... args) {
return std::make_shared<ExprData>(T(std::forward<Args>(args)...));
}
bool ExprAreEqual(Expr first, Expr second);
bool ExprAreEqual(const Expr& first, const Expr& second);
bool ExprAreOpposite(Expr first, Expr second);
bool ExprAreOpposite(const Expr& first, const Expr& second);
Expr MakeExprNot(Expr first);
@ -115,6 +134,6 @@ Expr MakeExprAnd(Expr first, Expr second);
Expr MakeExprOr(Expr first, Expr second);
bool ExprIsTrue(Expr first);
bool ExprIsTrue(const Expr& first);
} // namespace VideoCommon::Shader