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Shader_Ir: Address Feedback and clang format.

This commit is contained in:
Fernando Sahmkow 2019-09-28 15:16:19 -04:00 committed by FernandoS27
parent 507a9c6a40
commit 3c09d9abe6
4 changed files with 68 additions and 68 deletions
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43
src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
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@ -1646,34 +1646,34 @@ private:
class ExprDecompiler { class ExprDecompiler {
public: public:
ExprDecompiler(SPIRVDecompiler& decomp) : decomp{decomp} {} explicit ExprDecompiler(SPIRVDecompiler& decomp) : decomp{decomp} {}
void operator()(VideoCommon::Shader::ExprAnd& expr) { Id operator()(VideoCommon::Shader::ExprAnd& expr) {
const Id type_def = decomp.GetTypeDefinition(Type::Bool); const Id type_def = decomp.GetTypeDefinition(Type::Bool);
const Id op1 = Visit(expr.operand1); const Id op1 = Visit(expr.operand1);
const Id op2 = Visit(expr.operand2); const Id op2 = Visit(expr.operand2);
current_id = decomp.Emit(decomp.OpLogicalAnd(type_def, op1, op2)); return decomp.Emit(decomp.OpLogicalAnd(type_def, op1, op2));
} }
void operator()(VideoCommon::Shader::ExprOr& expr) { Id operator()(VideoCommon::Shader::ExprOr& expr) {
const Id type_def = decomp.GetTypeDefinition(Type::Bool); const Id type_def = decomp.GetTypeDefinition(Type::Bool);
const Id op1 = Visit(expr.operand1); const Id op1 = Visit(expr.operand1);
const Id op2 = Visit(expr.operand2); const Id op2 = Visit(expr.operand2);
current_id = decomp.Emit(decomp.OpLogicalOr(type_def, op1, op2)); return decomp.Emit(decomp.OpLogicalOr(type_def, op1, op2));
} }
void operator()(VideoCommon::Shader::ExprNot& expr) { Id operator()(VideoCommon::Shader::ExprNot& expr) {
const Id type_def = decomp.GetTypeDefinition(Type::Bool); const Id type_def = decomp.GetTypeDefinition(Type::Bool);
const Id op1 = Visit(expr.operand1); const Id op1 = Visit(expr.operand1);
current_id = decomp.Emit(decomp.OpLogicalNot(type_def, op1)); return decomp.Emit(decomp.OpLogicalNot(type_def, op1));
} }
void operator()(VideoCommon::Shader::ExprPredicate& expr) { Id operator()(VideoCommon::Shader::ExprPredicate& expr) {
const auto pred = static_cast<Tegra::Shader::Pred>(expr.predicate); const auto pred = static_cast<Tegra::Shader::Pred>(expr.predicate);
current_id = decomp.Emit(decomp.OpLoad(decomp.t_bool, decomp.predicates.at(pred))); return decomp.Emit(decomp.OpLoad(decomp.t_bool, decomp.predicates.at(pred)));
} }
void operator()(VideoCommon::Shader::ExprCondCode& expr) { Id operator()(VideoCommon::Shader::ExprCondCode& expr) {
const Node cc = decomp.ir.GetConditionCode(expr.cc); const Node cc = decomp.ir.GetConditionCode(expr.cc);
Id target; Id target;
@ -1690,35 +1690,28 @@ public:
} else if (const auto flag = std::get_if<InternalFlagNode>(&*cc)) { } else if (const auto flag = std::get_if<InternalFlagNode>(&*cc)) {
target = decomp.internal_flags.at(static_cast<u32>(flag->GetFlag())); target = decomp.internal_flags.at(static_cast<u32>(flag->GetFlag()));
} }
current_id = decomp.Emit(decomp.OpLoad(decomp.t_bool, target)); return decomp.Emit(decomp.OpLoad(decomp.t_bool, target));
} }
void operator()(VideoCommon::Shader::ExprVar& expr) { Id operator()(VideoCommon::Shader::ExprVar& expr) {
current_id = return decomp.Emit(decomp.OpLoad(decomp.t_bool, decomp.flow_variables.at(expr.var_index)));
decomp.Emit(decomp.OpLoad(decomp.t_bool, decomp.flow_variables.at(expr.var_index)));
} }
void operator()(VideoCommon::Shader::ExprBoolean& expr) { Id operator()(VideoCommon::Shader::ExprBoolean& expr) {
current_id = expr.value ? decomp.v_true : decomp.v_false; return expr.value ? decomp.v_true : decomp.v_false;
}
Id GetResult() {
return current_id;
} }
Id Visit(VideoCommon::Shader::Expr& node) { Id Visit(VideoCommon::Shader::Expr& node) {
std::visit(*this, *node); return std::visit(*this, *node);
return current_id;
} }
private: private:
Id current_id;
SPIRVDecompiler& decomp; SPIRVDecompiler& decomp;
}; };
class ASTDecompiler { class ASTDecompiler {
public: public:
ASTDecompiler(SPIRVDecompiler& decomp) : decomp{decomp} {} explicit ASTDecompiler(SPIRVDecompiler& decomp) : decomp{decomp} {}
void operator()(VideoCommon::Shader::ASTProgram& ast) { void operator()(VideoCommon::Shader::ASTProgram& ast) {
ASTNode current = ast.nodes.GetFirst(); ASTNode current = ast.nodes.GetFirst();
@ -1850,7 +1843,7 @@ public:
private: private:
SPIRVDecompiler& decomp; SPIRVDecompiler& decomp;
Id current_loop_exit; Id current_loop_exit{};
}; };
void SPIRVDecompiler::DecompileAST() { void SPIRVDecompiler::DecompileAST() {

14
src/video_core/shader/ast.cpp
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@ -442,8 +442,11 @@ void ASTManager::Decompile() {
auto it = gotos.begin(); auto it = gotos.begin();
while (it != gotos.end()) { while (it != gotos.end()) {
const ASTNode goto_node = *it; const ASTNode goto_node = *it;
const u32 label_index = goto_node->GetGotoLabel(); const auto label_index = goto_node->GetGotoLabel();
const ASTNode label = labels[label_index]; if (!label_index) {
return;
}
const ASTNode label = labels[*label_index];
if (!full_decompile) { if (!full_decompile) {
// We only decompile backward jumps // We only decompile backward jumps
if (!IsBackwardsJump(goto_node, label)) { if (!IsBackwardsJump(goto_node, label)) {
@ -498,8 +501,11 @@ void ASTManager::Decompile() {
bool can_remove = true; bool can_remove = true;
ASTNode label = *it; ASTNode label = *it;
for (const ASTNode goto_node : gotos) { for (const ASTNode goto_node : gotos) {
const u32 label_index = goto_node->GetGotoLabel(); const auto label_index = goto_node->GetGotoLabel();
ASTNode glabel = labels[label_index]; if (!label_index) {
return;
}
ASTNode glabel = labels[*label_index];
if (glabel == label) { if (glabel == label) {
can_remove = false; can_remove = false;
break; break;

65
src/video_core/shader/ast.h
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@ -44,7 +44,7 @@ enum class ASTZipperType : u32 {
class ASTZipper final { class ASTZipper final {
public: public:
ASTZipper(); explicit ASTZipper();
void Init(ASTNode first, ASTNode parent); void Init(ASTNode first, ASTNode parent);
@ -71,74 +71,74 @@ public:
class ASTProgram { class ASTProgram {
public: public:
ASTProgram() : nodes{} {}; explicit ASTProgram() = default;
ASTZipper nodes; ASTZipper nodes{};
}; };
class ASTIfThen { class ASTIfThen {
public: public:
ASTIfThen(Expr condition) : condition(condition), nodes{} {} explicit ASTIfThen(Expr condition) : condition(condition) {}
Expr condition; Expr condition;
ASTZipper nodes; ASTZipper nodes{};
}; };
class ASTIfElse { class ASTIfElse {
public: public:
ASTIfElse() : nodes{} {} explicit ASTIfElse() = default;
ASTZipper nodes; ASTZipper nodes{};
}; };
class ASTBlockEncoded { class ASTBlockEncoded {
public: public:
ASTBlockEncoded(u32 start, u32 end) : start{start}, end{end} {} explicit ASTBlockEncoded(u32 start, u32 end) : start{start}, end{end} {}
u32 start; u32 start;
u32 end; u32 end;
}; };
class ASTBlockDecoded { class ASTBlockDecoded {
public: public:
ASTBlockDecoded(NodeBlock& new_nodes) : nodes(std::move(new_nodes)) {} explicit ASTBlockDecoded(NodeBlock& new_nodes) : nodes(std::move(new_nodes)) {}
NodeBlock nodes; NodeBlock nodes;
}; };
class ASTVarSet { class ASTVarSet {
public: public:
ASTVarSet(u32 index, Expr condition) : index{index}, condition{condition} {} explicit ASTVarSet(u32 index, Expr condition) : index{index}, condition{condition} {}
u32 index; u32 index;
Expr condition; Expr condition;
}; };
class ASTLabel { class ASTLabel {
public: public:
ASTLabel(u32 index) : index{index} {} explicit ASTLabel(u32 index) : index{index} {}
u32 index; u32 index;
bool unused{}; bool unused{};
}; };
class ASTGoto { class ASTGoto {
public: public:
ASTGoto(Expr condition, u32 label) : condition{condition}, label{label} {} explicit ASTGoto(Expr condition, u32 label) : condition{condition}, label{label} {}
Expr condition; Expr condition;
u32 label; u32 label;
}; };
class ASTDoWhile { class ASTDoWhile {
public: public:
ASTDoWhile(Expr condition) : condition(condition), nodes{} {} explicit ASTDoWhile(Expr condition) : condition(condition) {}
Expr condition; Expr condition;
ASTZipper nodes; ASTZipper nodes{};
}; };
class ASTReturn { class ASTReturn {
public: public:
ASTReturn(Expr condition, bool kills) : condition{condition}, kills{kills} {} explicit ASTReturn(Expr condition, bool kills) : condition{condition}, kills{kills} {}
Expr condition; Expr condition;
bool kills; bool kills;
}; };
class ASTBreak { class ASTBreak {
public: public:
ASTBreak(Expr condition) : condition{condition} {} explicit ASTBreak(Expr condition) : condition{condition} {}
Expr condition; Expr condition;
}; };
@ -177,11 +177,11 @@ public:
return &data; return &data;
} }
ASTNode GetNext() { ASTNode GetNext() const {
return next; return next;
} }
ASTNode GetPrevious() { ASTNode GetPrevious() const {
return previous; return previous;
} }
@ -189,12 +189,12 @@ public:
return *manager; return *manager;
} }
u32 GetGotoLabel() const { std::optional<u32> GetGotoLabel() const {
auto inner = std::get_if<ASTGoto>(&data); auto inner = std::get_if<ASTGoto>(&data);
if (inner) { if (inner) {
return inner->label; return {inner->label};
} }
return -1; return {};
} }
Expr GetGotoCondition() const { Expr GetGotoCondition() const {
@ -220,12 +220,12 @@ public:
return true; return true;
} }
u32 GetLabelIndex() const { std::optional<u32> GetLabelIndex() const {
auto inner = std::get_if<ASTLabel>(&data); auto inner = std::get_if<ASTLabel>(&data);
if (inner) { if (inner) {
return inner->index; return {inner->index};
} }
return -1; return {};
} }
Expr GetIfCondition() const { Expr GetIfCondition() const {
@ -290,7 +290,7 @@ private:
friend class ASTZipper; friend class ASTZipper;
ASTData data; ASTData data;
ASTNode parent; ASTNode parent{};
ASTNode next{}; ASTNode next{};
ASTNode previous{}; ASTNode previous{};
ASTZipper* manager{}; ASTZipper* manager{};
@ -327,13 +327,18 @@ public:
void SanityCheck(); void SanityCheck();
void Clear();
bool IsFullyDecompiled() const { bool IsFullyDecompiled() const {
if (full_decompile) { if (full_decompile) {
return gotos.size() == 0; return gotos.size() == 0;
} else { } else {
for (ASTNode goto_node : gotos) { for (ASTNode goto_node : gotos) {
u32 label_index = goto_node->GetGotoLabel(); auto label_index = goto_node->GetGotoLabel();
ASTNode glabel = labels[label_index]; if (!label_index) {
return false;
}
ASTNode glabel = labels[*label_index];
if (IsBackwardsJump(goto_node, glabel)) { if (IsBackwardsJump(goto_node, glabel)) {
return false; return false;
} }
@ -346,8 +351,6 @@ public:
return main_node; return main_node;
} }
void Clear();
u32 GetVariables() const { u32 GetVariables() const {
return variables; return variables;
} }
@ -372,9 +375,7 @@ private:
void MoveOutward(ASTNode goto_node); void MoveOutward(ASTNode goto_node);
u32 NewVariable() { u32 NewVariable() {
u32 new_var = variables; return variables++;
variables++;
return new_var;
} }
bool full_decompile{}; bool full_decompile{};

14
src/video_core/shader/expr.h
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@ -28,7 +28,7 @@ using Expr = std::shared_ptr<ExprData>;
class ExprAnd final { class ExprAnd final {
public: public:
ExprAnd(Expr a, Expr b) : operand1{a}, operand2{b} {} explicit ExprAnd(Expr a, Expr b) : operand1{a}, operand2{b} {}
bool operator==(const ExprAnd& b) const; bool operator==(const ExprAnd& b) const;
@ -38,7 +38,7 @@ public:
class ExprOr final { class ExprOr final {
public: public:
ExprOr(Expr a, Expr b) : operand1{a}, operand2{b} {} explicit ExprOr(Expr a, Expr b) : operand1{a}, operand2{b} {}
bool operator==(const ExprOr& b) const; bool operator==(const ExprOr& b) const;
@ -48,7 +48,7 @@ public:
class ExprNot final { class ExprNot final {
public: public:
ExprNot(Expr a) : operand1{a} {} explicit ExprNot(Expr a) : operand1{a} {}
bool operator==(const ExprNot& b) const; bool operator==(const ExprNot& b) const;
@ -57,7 +57,7 @@ public:
class ExprVar final { class ExprVar final {
public: public:
ExprVar(u32 index) : var_index{index} {} explicit ExprVar(u32 index) : var_index{index} {}
bool operator==(const ExprVar& b) const { bool operator==(const ExprVar& b) const {
return var_index == b.var_index; return var_index == b.var_index;
@ -68,7 +68,7 @@ public:
class ExprPredicate final { class ExprPredicate final {
public: public:
ExprPredicate(u32 predicate) : predicate{predicate} {} explicit ExprPredicate(u32 predicate) : predicate{predicate} {}
bool operator==(const ExprPredicate& b) const { bool operator==(const ExprPredicate& b) const {
return predicate == b.predicate; return predicate == b.predicate;
@ -79,7 +79,7 @@ public:
class ExprCondCode final { class ExprCondCode final {
public: public:
ExprCondCode(ConditionCode cc) : cc{cc} {} explicit ExprCondCode(ConditionCode cc) : cc{cc} {}
bool operator==(const ExprCondCode& b) const { bool operator==(const ExprCondCode& b) const {
return cc == b.cc; return cc == b.cc;
@ -90,7 +90,7 @@ public:
class ExprBoolean final { class ExprBoolean final {
public: public:
ExprBoolean(bool val) : value{val} {} explicit ExprBoolean(bool val) : value{val} {}
bool operator==(const ExprBoolean& b) const { bool operator==(const ExprBoolean& b) const {
return value == b.value; return value == b.value;