X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fglsl%2Fgenerate.h;h=eb7d488ae6071faa619f3e374c61084686e028b9;hp=54e39f39aa0679088ea7d18dd98192c32645f07c;hb=c4aeeced7b397d46772577775bd3a0d6c4706cba;hpb=f639d088c478fe5d266f9f5779928735b5176976 diff --git a/source/glsl/generate.h b/source/glsl/generate.h index 54e39f39..eb7d488a 100644 --- a/source/glsl/generate.h +++ b/source/glsl/generate.h @@ -11,166 +11,18 @@ namespace Msp { namespace GL { namespace SL { -/** Combines multiple declarations of the same identifier into one. */ -class DeclarationCombiner: private TraversingVisitor +/** Assigns IDs to specialization constants with an automatic ID. */ +class ConstantIdAssigner: private TraversingVisitor { private: - std::map > functions; - std::map variables; - std::set nodes_to_remove; - -public: - void apply(Stage &); - -private: - virtual void visit(Block &); - virtual void visit(VariableDeclaration &); - virtual void visit(FunctionDeclaration &) { } -}; - -/** 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 -{ -private: - const std::map *values; - -public: - ConstantSpecializer(); - - void apply(Stage &, const std::map *); - -private: - virtual void visit(VariableDeclaration &); -}; - -/** Forms links between nested blocks in the syntax tree. */ -class BlockHierarchyResolver: private TraversingVisitor -{ -public: - void apply(Stage &s) { s.content.visit(*this); } - -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; + std::set used_ids; + std::vector auto_constants; public: - TypeResolver(); - - void apply(Stage &); + void apply(Module &, const Features &); private: - TypeDeclaration *resolve_type(const std::string &); - virtual void visit(Block &); - virtual void visit(BasicTypeDeclaration &); - virtual void visit(ImageTypeDeclaration &); - virtual void visit(StructDeclaration &); virtual void visit(VariableDeclaration &); - 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; - std::string block_interface; - bool r_any_resolved; - bool record_target; - bool r_self_referencing; - VariableDeclaration *r_assignment_target; - -public: - VariableResolver(); - - bool apply(Stage &); - -private: - virtual void enter(Block &); - void visit_and_replace(RefPtr &); - virtual void visit(VariableReference &); - virtual void visit(InterfaceBlockReference &); - virtual void visit(MemberAccess &); - virtual void visit(UnaryExpression &); - virtual void visit(BinaryExpression &); - virtual void visit(Assignment &); - virtual void visit(FunctionCall &); - 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(UnaryExpression &); - void visit(BinaryExpression &, bool); - virtual void visit(BinaryExpression &); - virtual void visit(Assignment &); - 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; - -public: - void apply(Stage &); - -private: - virtual void visit(FunctionCall &); - virtual void visit(FunctionDeclaration &); }; /** Materializes implicitly declared interfaces. @@ -188,8 +40,8 @@ private: std::string in_prefix; std::string out_prefix; bool function_scope; - InterfaceBlock *iface_block; bool copy_block; + std::vector declared_inputs; Block *iface_target_block; NodeList::iterator iface_insert_point; NodeList::iterator assignment_insert_point;