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
38 bool alloc_new = true;
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<VariableDeclaration *> unbound_blocks;
47 void apply(Module &, const Features &, bool = true);
51 void allocate_locations(const std::string &);
52 void bind_uniform(RefPtr<Layout> &, const std::string &, unsigned);
54 bool visit_uniform(const std::string &, RefPtr<Layout> &);
55 virtual void visit(VariableDeclaration &);
56 virtual void visit(FunctionDeclaration &) { }
60 Converts the output depth range to match expectations of the target API.
62 class DepthRangeConverter: private TraversingVisitor
65 void apply(Stage &, const Features &);
68 virtual void visit(FunctionDeclaration &);
71 /** Generates default precision declarations or removes precision declarations
72 according to the requirements of the target API. */
73 class PrecisionConverter: private TraversingVisitor
77 std::set<std::string> have_default;
78 NodeList<Statement>::iterator insert_point;
79 std::set<Node *> nodes_to_remove;
85 virtual void visit(Block &);
86 virtual void visit(Precision &);
87 virtual void visit(VariableDeclaration &);
90 /** Base class for feature converters. */
91 class FeatureConverter: protected TraversingVisitor
97 FeatureConverter() = default;
100 void apply(Stage &, const Features &);
102 virtual void apply() = 0;
104 void unsupported(const std::string &);
106 bool check_version(const Version &) const;
107 bool check_extension(bool Features::*) const;
110 /** Converts structures of the syntax tree to match a particular set of
112 class StructuralFeatureConverter: public FeatureConverter
115 VariableDeclaration *frag_out = 0;
116 NodeList<Statement>::iterator uniform_insert_point;
117 std::set<Node *> nodes_to_remove;
118 RefPtr<Expression> r_replaced_reference;
119 bool r_flattened_interface = false;
122 void apply(Stage &s, const Features &f) { FeatureConverter::apply(s, f); }
124 virtual void apply();
126 virtual void visit(Block &);
127 virtual void visit(RefPtr<Expression> &);
128 bool supports_stage(Stage::Type) const;
129 bool supports_unified_interface_syntax() const;
130 virtual void visit(VariableReference &);
131 virtual void visit(MemberAccess &);
132 virtual void visit(Assignment &);
133 bool supports_unified_sampling_functions() const;
134 virtual void visit(FunctionCall &);
135 bool supports_interface_blocks(const std::string &) const;
136 virtual void visit(VariableDeclaration &);
139 /** Converts qualifiers on variables and blocksto match a particular set of
141 class QualifierConverter: private FeatureConverter
144 void apply(Stage &s, const Features &f) { FeatureConverter::apply(s, f); }
146 virtual void apply();
148 bool supports_interface_layouts() const;
149 bool supports_stage_interface_layouts() const;
150 bool supports_centroid_sampling() const;
151 bool supports_sample_sampling() const;
152 bool supports_uniform_location() const;
153 bool supports_binding() const;
154 bool supports_interface_block_location() const;
155 virtual void visit(VariableDeclaration &);