X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fglsl%2Fgenerate.h;h=fc58b2db16134108cf4e7fa653d6c1a6258b9ce3;hp=402f07f480b239e39f76dd7334656337955b2ff3;hb=38712d8ecc57d043a2419ffbaeeb57f7a6586f14;hpb=27e7b634d31498783ea6d24b72f02f3f1287851d diff --git a/source/glsl/generate.h b/source/glsl/generate.h index 402f07f4..fc58b2db 100644 --- a/source/glsl/generate.h +++ b/source/glsl/generate.h @@ -11,163 +11,18 @@ namespace Msp { namespace GL { namespace SL { -/** Manipulates specialization constants. If values are specified, turns -specialization constants into normal constants. Without values assigns -automatic constant_ids to specialization constants. */ -class ConstantSpecializer: private TraversingVisitor +/** Assigns IDs to specialization constants with an automatic ID. */ +class ConstantIdAssigner: private TraversingVisitor { private: - const std::map *values; + std::set used_ids; + std::vector auto_constants; public: - ConstantSpecializer(); + void apply(Module &, const Features &); - void apply(Stage &, const std::map *); - -private: - virtual void visit(VariableDeclaration &); -}; - -/** Forms links between nested blocks in the syntax tree. */ -class BlockHierarchyResolver: private TraversingVisitor -{ -private: - bool r_any_resolved; - -public: - BlockHierarchyResolver(): r_any_resolved(false) { } - - bool apply(Stage &s) { r_any_resolved = false; s.content.visit(*this); return r_any_resolved; } - -private: - virtual void enter(Block &); -}; - -/** Resolves types of variables and base types of other types. */ -class TypeResolver: private TraversingVisitor -{ private: - Stage *stage; - std::map alias_map; - std::map array_types; - NodeList::iterator type_insert_point; - InterfaceBlock *iface_block; - bool r_any_resolved; - -public: - TypeResolver(); - - bool apply(Stage &); - -private: - TypeDeclaration *get_or_create_array_type(TypeDeclaration &); - void resolve_type(TypeDeclaration *&, const std::string &, bool); - virtual void visit(Block &); - virtual void visit(BasicTypeDeclaration &); - virtual void visit(ImageTypeDeclaration &); - virtual void visit(StructDeclaration &); virtual void visit(VariableDeclaration &); - virtual void visit(InterfaceBlock &); - virtual void visit(FunctionDeclaration &); -}; - -/** Resolves variable references. Variable references which match the name -of an interface block are turned into interface block references. */ -class VariableResolver: private TraversingVisitor -{ -private: - Stage *stage; - RefPtr r_replacement_expr; - bool r_any_resolved; - bool record_target; - bool r_self_referencing; - Assignment::Target r_assignment_target; - std::set nodes_to_remove; - -public: - VariableResolver(); - - bool apply(Stage &); - -private: - virtual void enter(Block &); - virtual void visit(RefPtr &); - void check_assignment_target(Statement *); - virtual void visit(VariableReference &); - virtual void visit(InterfaceBlockReference &); - void add_to_chain(Assignment::Target::ChainType, unsigned); - virtual void visit(MemberAccess &); - virtual void visit(Swizzle &); - virtual void visit(BinaryExpression &); - virtual void visit(Assignment &); - void merge_layouts(Layout &, const Layout &); - virtual void visit(VariableDeclaration &); - virtual void visit(InterfaceBlock &); -}; - -/** Resolves types and lvalueness of expressions. */ -class ExpressionResolver: private TraversingVisitor -{ -private: - enum Compatibility - { - NOT_COMPATIBLE, - LEFT_CONVERTIBLE, - RIGHT_CONVERTIBLE, - SAME_TYPE - }; - - Stage *stage; - std::vector basic_types; - bool r_any_resolved; - -public: - ExpressionResolver(); - - bool apply(Stage &); - -private: - static bool is_scalar(BasicTypeDeclaration &); - static bool is_vector_or_matrix(BasicTypeDeclaration &); - static BasicTypeDeclaration *get_element_type(BasicTypeDeclaration &); - static bool can_convert(BasicTypeDeclaration &, BasicTypeDeclaration &); - static Compatibility get_compatibility(BasicTypeDeclaration &, BasicTypeDeclaration &); - BasicTypeDeclaration *find_type(BasicTypeDeclaration::Kind, unsigned); - BasicTypeDeclaration *find_type(BasicTypeDeclaration &, BasicTypeDeclaration::Kind, unsigned); - void convert_to(RefPtr &, BasicTypeDeclaration &); - bool convert_to_element(RefPtr &, BasicTypeDeclaration &); - void resolve(Expression &, TypeDeclaration *, bool); - - virtual void visit(Literal &); - virtual void visit(ParenthesizedExpression &); - virtual void visit(VariableReference &); - virtual void visit(InterfaceBlockReference &); - virtual void visit(MemberAccess &); - virtual void visit(Swizzle &); - virtual void visit(UnaryExpression &); - void visit(BinaryExpression &, bool); - virtual void visit(BinaryExpression &); - virtual void visit(Assignment &); - virtual void visit(TernaryExpression &); - virtual void visit(FunctionCall &); - virtual void visit(BasicTypeDeclaration &); - virtual void visit(VariableDeclaration &); -}; - -/** Resolves function declarations and calls. */ -class FunctionResolver: private TraversingVisitor -{ -private: - Stage *stage; - std::map > declarations; - bool r_any_resolved; - -public: - bool apply(Stage &); - -private: - virtual void visit(FunctionCall &); - virtual void visit(FunctionDeclaration &); }; /** Materializes implicitly declared interfaces. @@ -181,20 +36,18 @@ Unresolved variables are looked up in the previous stage's out variables. */ class InterfaceGenerator: private TraversingVisitor { private: - Stage *stage; + Stage *stage = 0; std::string in_prefix; std::string out_prefix; - bool function_scope; - bool copy_block; + bool function_scope = false; + bool copy_block = false; std::vector declared_inputs; - Block *iface_target_block; + Block *iface_target_block = 0; NodeList::iterator iface_insert_point; NodeList::iterator assignment_insert_point; std::set nodes_to_remove; public: - InterfaceGenerator(); - void apply(Stage &); private: