1 #ifndef MSP_GL_SL_COMPATIBILITY_H_
2 #define MSP_GL_SL_COMPATIBILITY_H_
11 /** Generates default precision declarations or removes precision declarations
12 according to the requirements of the target API. */
13 class PrecisionConverter: private TraversingVisitor
17 std::set<std::string> have_default;
18 NodeList<Statement>::iterator insert_point;
19 std::set<Node *> nodes_to_remove;
27 virtual void visit(Block &);
28 virtual void visit(Precision &);
29 virtual void visit(VariableDeclaration &);
32 /** Converts structures of the syntax tree to match a particular set of
34 class LegacyConverter: private TraversingVisitor
40 VariableDeclaration *frag_out;
41 NodeList<Statement>::iterator uniform_insert_point;
42 std::set<Node *> nodes_to_remove;
47 virtual void apply(Stage &, const Features &);
50 void unsupported(const std::string &);
52 virtual void visit(Block &);
53 bool check_version(const Version &) const;
54 bool check_extension(bool Features::*) const;
55 bool supports_stage(Stage::Type) const;
56 bool supports_unified_interface_syntax() const;
57 virtual void visit(VariableReference &);
58 virtual void visit(Assignment &);
59 bool supports_unified_sampling_functions() const;
60 virtual void visit(FunctionCall &);
61 bool supports_interface_layouts() const;
62 bool supports_centroid_sampling() const;
63 bool supports_sample_sampling() const;
64 virtual void visit(VariableDeclaration &);
65 bool supports_interface_blocks(const std::string &) const;
66 virtual void visit(InterfaceBlock &);