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Shader_Ir: Refactor Decompilation process and allow multiple decompilation modes.

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This commit is contained in:
Fernando Sahmkow
2019-08-16 16:25:02 -04:00
committed by FernandoS27
parent 38fc995f6c
commit 47e4f6a52c
15 changed files with 338 additions and 82 deletions
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20
src/video_core/shader/ast.h
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@ -274,7 +274,7 @@ private:
class ASTManager final {
public:
ASTManager();
ASTManager(bool full_decompile);
~ASTManager();
ASTManager(const ASTManager& o) = delete;
@ -304,7 +304,18 @@ public:
void SanityCheck();
bool IsFullyDecompiled() const {
return gotos.size() == 0;
if (full_decompile) {
return gotos.size() == 0;
} else {
for (ASTNode goto_node : gotos) {
u32 label_index = goto_node->GetGotoLabel();
ASTNode glabel = labels[label_index];
if (IsBackwardsJump(goto_node, glabel)) {
return false;
}
}
return true;
}
}
ASTNode GetProgram() const {
@ -318,6 +329,10 @@ public:
}
private:
bool IsBackwardsJump(ASTNode goto_node, ASTNode label_node) const;
ASTNode CommonParent(ASTNode first, ASTNode second);
bool IndirectlyRelated(ASTNode first, ASTNode second);
bool DirectlyRelated(ASTNode first, ASTNode second);
@ -334,6 +349,7 @@ private:
return new_var;
}
bool full_decompile{};
std::unordered_map<u32, u32> labels_map{};
u32 labels_count{};
std::vector<ASTNode> labels{};