1 #ifndef MSP_GL_SL_FINALIZE_H_
2 #define MSP_GL_SL_FINALIZE_H_
11 /** Assigns offset layout qualifiers to struct members. */
12 class StructOrganizer: private TraversingVisitor
18 void apply(Stage &s) { s.content.visit(*this); }
21 virtual void visit(StructDeclaration &);
22 virtual void visit(VariableDeclaration &);
25 /** Assigns location and binding layout qualifiers to interface variables and
27 class LocationAllocator: private TraversingVisitor
36 Uniform(): location(-1), desc_set(-1), bind_point(-1) { }
39 std::map<std::string, std::set<unsigned> > used_locations;
40 std::map<std::string, Uniform> uniforms;
41 std::map<unsigned, std::set<unsigned> > used_bindings;
42 std::vector<VariableDeclaration *> unplaced_variables;
43 std::vector<VariableDeclaration *> unbound_textures;
44 std::vector<InterfaceBlock *> unbound_blocks;
47 void apply(Module &, const Features &);
51 void allocate_locations(const std::string &);
52 void bind_uniform(RefPtr<Layout> &, const std::string &, unsigned);
53 void add_layout_value(RefPtr<Layout> &, const std::string &, unsigned);
55 virtual void visit(VariableDeclaration &);
56 virtual void visit(InterfaceBlock &);
57 virtual void visit(FunctionDeclaration &) { }
60 /** Generates default precision declarations or removes precision declarations
61 according to the requirements of the target API. */
62 class PrecisionConverter: private TraversingVisitor
66 std::set<std::string> have_default;
67 NodeList<Statement>::iterator insert_point;
68 std::set<Node *> nodes_to_remove;
74 virtual void visit(Block &);
75 virtual void visit(Precision &);
76 virtual void visit(VariableDeclaration &);
79 /** Converts structures of the syntax tree to match a particular set of
81 class LegacyConverter: private TraversingVisitor
86 VariableDeclaration *frag_out = 0;
87 NodeList<Statement>::iterator uniform_insert_point;
88 std::set<Node *> nodes_to_remove;
91 virtual void apply(Stage &, const Features &);
94 void unsupported(const std::string &);
96 virtual void visit(Block &);
97 bool check_version(const Version &) const;
98 bool check_extension(bool Features::*) const;
99 bool supports_stage(Stage::Type) const;
100 bool supports_unified_interface_syntax() const;
101 virtual void visit(VariableReference &);
102 virtual void visit(Assignment &);
103 bool supports_unified_sampling_functions() const;
104 virtual void visit(FunctionCall &);
105 bool supports_interface_layouts() const;
106 bool supports_stage_interface_layouts() const;
107 bool supports_centroid_sampling() const;
108 bool supports_sample_sampling() const;
109 bool supports_uniform_location() const;
110 bool supports_binding() const;
111 virtual void visit(VariableDeclaration &);
112 bool supports_interface_blocks(const std::string &) const;
113 bool supports_interface_block_location() const;
114 virtual void visit(InterfaceBlock &);