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author | Fernando Sahmkow <fsahmkow27@gmail.com> | 2019-08-16 22:25:02 +0200 |
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committer | FernandoS27 <fsahmkow27@gmail.com> | 2019-10-05 00:52:50 +0200 |
commit | 47e4f6a52c5eb34916e2c1f4c876e6e8624e3840 (patch) | |
tree | 60ca95508197ceb868b004791caf81a042b22842 /src/video_core/shader/ast.h | |
parent | gl_shader_decompiler: Implement AST decompiling (diff) | |
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Diffstat (limited to 'src/video_core/shader/ast.h')
-rw-r--r-- | src/video_core/shader/ast.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/src/video_core/shader/ast.h b/src/video_core/shader/ast.h index 06ab20cc5..849d0612c 100644 --- a/src/video_core/shader/ast.h +++ b/src/video_core/shader/ast.h @@ -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{}; |