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gl_shader_decompiler: Implement AST decompiling

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This commit is contained in:
Fernando Sahmkow 2019-06-29 01:44:07 -04:00 • committed by FernandoS27
parent f1ed22419c
commit 5d3c5df7f4
11 changed files with 358 additions and 63 deletions
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10
src/video_core/shader/ast.cpp
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@ -372,13 +372,13 @@ ASTManager::~ASTManager() {
void ASTManager::Init() {
main_node = ASTBase::Make<ASTProgram>(ASTNode{});
program = std::get_if<ASTProgram>(main_node->GetInnerData());
true_condition = MakeExpr<ExprBoolean>(true);
false_condition = MakeExpr<ExprBoolean>(false);
}
ASTManager::ASTManager(ASTManager&& other)
: 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}, true_condition{other.true_condition} {
program{other.program}, main_node{other.main_node}, false_condition{other.false_condition} {
other.main_node.reset();
}
@ -390,7 +390,7 @@ ASTManager& ASTManager::operator=(ASTManager&& other) {
variables = other.variables;
program = other.program;
main_node = other.main_node;
true_condition = other.true_condition;
false_condition = other.false_condition;
other.main_node.reset();
return *this;
@ -594,7 +594,7 @@ void ASTManager::MoveOutward(ASTNode goto_node) {
u32 var_index = NewVariable();
Expr var_condition = MakeExpr<ExprVar>(var_index);
ASTNode var_node = ASTBase::Make<ASTVarSet>(parent, var_index, condition);
ASTNode var_node_init = ASTBase::Make<ASTVarSet>(parent, var_index, true_condition);
ASTNode var_node_init = ASTBase::Make<ASTVarSet>(parent, var_index, false_condition);
zipper2.InsertBefore(var_node_init, parent);
zipper.InsertAfter(var_node, prev);
goto_node->SetGotoCondition(var_condition);
@ -605,7 +605,7 @@ void ASTManager::MoveOutward(ASTNode goto_node) {
u32 var_index = NewVariable();
Expr var_condition = MakeExpr<ExprVar>(var_index);
ASTNode var_node = ASTBase::Make<ASTVarSet>(parent, var_index, condition);
ASTNode var_node_init = ASTBase::Make<ASTVarSet>(parent, var_index, true_condition);
ASTNode var_node_init = ASTBase::Make<ASTVarSet>(parent, var_index, false_condition);
if (is_if) {
zipper2.InsertBefore(var_node_init, parent);
} else {