X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fgenerate.h;h=ef8ca10e35b198b5da4a38abc09708b08455f267;hb=bbe2fb7bc1384d7683f1795b5cfa9168df18c580;hp=b82bdca365bc02e7fd856c86f5011eb124517f92;hpb=30465dd3b9f55ec42c4b19c3c2077eede7237a26;p=libs%2Fgl.git diff --git a/source/glsl/generate.h b/source/glsl/generate.h index b82bdca3..ef8ca10e 100644 --- a/source/glsl/generate.h +++ b/source/glsl/generate.h @@ -11,23 +11,6 @@ namespace Msp { namespace GL { namespace SL { -/** Combines multiple declarations of the same identifier into one. */ -class DeclarationCombiner: 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(FunctionDeclaration &); - virtual void visit(VariableDeclaration &); -}; - /** Manipulates specialization constants. If values are specified, turns specialization constants into normal constants. Without values assigns automatic constant_ids to specialization constants. */ @@ -45,64 +28,6 @@ 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 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; - Block *builtins; - std::map *members; - RefPtr iface_ref; - std::string block_interface; - bool record_target; - VariableDeclaration *assignment_target; - bool self_referencing; - -public: - VariableResolver(); - - void apply(Stage &); - -private: - Block *next_block(Block &); - - virtual void enter(Block &); - virtual void visit(VariableReference &); - virtual void visit(InterfaceBlockReference &); - virtual void visit(MemberAccess &); - virtual void visit(BinaryExpression &); - virtual void visit(Assignment &); - virtual void visit(StructDeclaration &); - virtual void visit(VariableDeclaration &); - virtual void visit(InterfaceBlock &); -}; - -/** Resolves function declarations and calls. */ -class FunctionResolver: private TraversingVisitor -{ -private: - Stage *stage; - std::map > functions; - -public: - void apply(Stage &); - -private: - virtual void visit(FunctionCall &); - virtual void visit(FunctionDeclaration &); -}; - /** Materializes implicitly declared interfaces. Out variable declarations inside functions are moved to the global scope. @@ -118,8 +43,8 @@ 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; @@ -134,8 +59,8 @@ private: static std::string get_out_prefix(Stage::Type); std::string change_prefix(const std::string &, const std::string &) const; virtual void visit(Block &); - bool generate_interface(VariableDeclaration &, const std::string &, const std::string &); - bool generate_interface(InterfaceBlock &); + VariableDeclaration *generate_interface(VariableDeclaration &, const std::string &, const std::string &); + InterfaceBlock *generate_interface(InterfaceBlock &); ExpressionStatement &insert_assignment(const std::string &, Expression *); virtual void visit(VariableReference &); virtual void visit(VariableDeclaration &); @@ -144,39 +69,6 @@ private: virtual void visit(Passthrough &); }; -/** Reorders declarations to ensure that declarations always appear before -references. */ -class DeclarationReorderer: private TraversingVisitor -{ -private: - enum DeclarationKind - { - NO_DECLARATION, - LAYOUT, - STRUCT, - VARIABLE, - FUNCTION - }; - - DeclarationKind kind; - std::set ordered_funcs; - std::set needed_funcs; - -public: - DeclarationReorderer(); - - void apply(Stage &s) { s.content.visit(*this); } - -private: - virtual void visit(Block &); - virtual void visit(FunctionCall &); - virtual void visit(InterfaceLayout &) { kind = LAYOUT; } - virtual void visit(StructDeclaration &) { kind = STRUCT; } - virtual void visit(VariableDeclaration &); - virtual void visit(InterfaceBlock &) { kind = VARIABLE; } - virtual void visit(FunctionDeclaration &); -}; - } // namespace SL } // namespace GL } // namespace Msp