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<std::string, std::vector<FunctionDeclaration *> > functions;
- std::map<std::string, VariableDeclaration *> variables;
- std::set<Node *> nodes_to_remove;
+ std::set<unsigned> used_ids;
+ std::map<std::string, unsigned> existing_constants;
+ std::vector<VariableDeclaration *> auto_constants;
public:
- void apply(Stage &);
+ void apply(Module &, const Features &);
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<std::string, int> *values;
-
-public:
- ConstantSpecializer();
-
- void apply(Stage &, const std::map<std::string, int> *);
-
-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) { }
+/** Materializes implicitly declared interfaces.
- bool apply(Stage &s) { r_any_resolved = false; s.content.visit(*this); return r_any_resolved; }
+Out variable declarations inside functions are moved to the global scope.
-private:
- virtual void enter(Block &);
-};
+Passthrough statements are processed, generating out variables to match in
+variables and copying values.
-/** Resolves types of variables and base types of other types. */
-class TypeResolver: private TraversingVisitor
+Unresolved variables are looked up in the previous stage's out variables. */
+class InterfaceGenerator: private TraversingVisitor
{
private:
- Stage *stage;
- std::map<TypeDeclaration *, TypeDeclaration *> alias_map;
- std::map<TypeDeclaration *, TypeDeclaration *> array_types;
- NodeList<Statement>::iterator type_insert_point;
- InterfaceBlock *iface_block;
- bool r_any_resolved;
+ Stage *stage = 0;
+ std::string in_prefix;
+ std::string out_prefix;
+ bool function_scope = false;
+ bool copy_block = false;
+ std::vector<VariableDeclaration *> declared_inputs;
+ Block *iface_target_block = 0;
+ NodeList<Statement>::iterator iface_insert_point;
+ NodeList<Statement>::iterator assignment_insert_point;
+ std::set<Node *> nodes_to_remove;
public:
- TypeResolver();
-
- bool apply(Stage &);
+ void apply(Stage &);
private:
- TypeDeclaration *get_or_create_array_type(TypeDeclaration &);
- void resolve_type(TypeDeclaration *&, const std::string &, bool);
+ static std::string get_out_prefix(Stage::Type);
+ std::string change_prefix(const std::string &, const std::string &) const;
virtual void visit(Block &);
- virtual void visit(BasicTypeDeclaration &);
- virtual void visit(ImageTypeDeclaration &);
- virtual void visit(StructDeclaration &);
+ VariableDeclaration *generate_interface(VariableDeclaration &, const std::string &, const std::string &);
+ ExpressionStatement &insert_assignment(const std::string &, Expression *);
+ virtual void visit(VariableReference &);
virtual void visit(VariableDeclaration &);
- virtual void visit(InterfaceBlock &);
virtual void visit(FunctionDeclaration &);
+ virtual void visit(Passthrough &);
};
-/** Resolves variable references. Variable references which match the name
-of an interface block are turned into interface block references. */
-class VariableResolver: private TraversingVisitor
+class LayoutDefaulter: private TraversingVisitor
{
private:
- Stage *stage;
- RefPtr<Expression> r_replacement_expr;
- bool r_any_resolved;
- bool record_target;
- bool r_self_referencing;
- VariableDeclaration *r_assignment_target;
+ InterfaceLayout *in_iface = 0;
+ bool need_winding = true;
+ bool need_spacing = true;
public:
- VariableResolver();
-
- bool apply(Stage &);
+ void apply(Stage &);
private:
- virtual void enter(Block &);
- void visit_and_replace(RefPtr<Expression> &);
- virtual void visit(VariableReference &);
- virtual void visit(InterfaceBlockReference &);
- virtual void visit(MemberAccess &);
- virtual void visit(Swizzle &);
- virtual void visit(UnaryExpression &);
- virtual void visit(BinaryExpression &);
- virtual void visit(Assignment &);
- virtual void visit(FunctionCall &);
- virtual void visit(VariableDeclaration &);
- virtual void visit(InterfaceBlock &);
+ virtual void visit(InterfaceLayout &);
};
-/** Resolves types and lvalueness of expressions. */
-class ExpressionResolver: private TraversingVisitor
+/**
+Assigns sizes to arrays which don't have a size. Geometry shader inputs are
+sized by topology. Other arrays are sized by their use with literal indices.
+*/
+class ArraySizer: private TraversingVisitor
{
private:
- enum Compatibility
- {
- NOT_COMPATIBLE,
- LEFT_CONVERTIBLE,
- RIGHT_CONVERTIBLE,
- SAME_TYPE
- };
-
- Stage *stage;
- std::vector<BasicTypeDeclaration *> basic_types;
- bool r_any_resolved;
+ std::map<VariableDeclaration *, int> max_indices;
+ unsigned input_size = 0;
+ VariableDeclaration *r_declaration;
public:
- ExpressionResolver();
-
- bool apply(Stage &);
+ void 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<Expression> &, BasicTypeDeclaration &);
- bool convert_to_element(RefPtr<Expression> &, 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(UnaryExpression&);
virtual void visit(BinaryExpression &);
- virtual void visit(Assignment &);
+ virtual void visit(TernaryExpression &);
virtual void visit(FunctionCall &);
- virtual void visit(BasicTypeDeclaration &);
+ virtual void visit(InterfaceLayout &);
virtual void visit(VariableDeclaration &);
};
-/** Resolves function declarations and calls. */
-class FunctionResolver: private TraversingVisitor
-{
-private:
- Stage *stage;
- std::map<std::string, std::vector<FunctionDeclaration *> > declarations;
- bool r_any_resolved;
-
-public:
- bool 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.
-
-Passthrough statements are processed, generating out variables to match in
-variables and copying values.
-
-Unresolved variables are looked up in the previous stage's out variables. */
-class InterfaceGenerator: private TraversingVisitor
-{
-private:
- Stage *stage;
- std::string in_prefix;
- std::string out_prefix;
- bool function_scope;
- bool copy_block;
- Block *iface_target_block;
- NodeList<Statement>::iterator iface_insert_point;
- NodeList<Statement>::iterator assignment_insert_point;
- std::set<Node *> nodes_to_remove;
-
-public:
- InterfaceGenerator();
-
- void apply(Stage &);
-
-private:
- static std::string get_out_prefix(Stage::Type);
- std::string change_prefix(const std::string &, const std::string &) const;
- virtual void visit(Block &);
- 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 &);
- virtual void visit(InterfaceBlock &);
- virtual void visit(FunctionDeclaration &);
- virtual void visit(Passthrough &);
-};
-
} // namespace SL
} // namespace GL
} // namespace Msp
projects / libs / gl.git / blobdiff