1 #ifndef MSP_GL_SL_SPIRV
2 #define MSP_GL_SL_SPIRV
7 #include "spirvconstants.h"
8 #include "spirvwriter.h"
15 /** Creates SPIR-V binary from a module. */
16 class SpirVGenerator: private NodeVisitor
19 typedef SpirVCapability Capability;
20 typedef SpirVStorageClass StorageClass;
21 typedef SpirVOpcode Opcode;
22 typedef SpirVDecoration Decoration;
23 typedef SpirVBuiltin BuiltinSemantic;
24 typedef SpirVContent::Word Word;
25 typedef SpirVWriter::Id Id;
27 struct BuiltinFunctionInfo
34 void (SpirVGenerator::*handler)(FunctionCall &, const std::vector<Id> &);
42 Declaration(Id i, Id t): id(i), type_id(t) { }
50 TypeKey(Id i, unsigned d): type_id(i), detail(d) { }
51 TypeKey(BasicTypeDeclaration::Kind, bool);
53 bool operator<(const TypeKey &) const;
65 ConstantKey(Id t, int i): type_id(t), int_value(i) { }
66 ConstantKey(Id t, unsigned u): type_id(t), int_value(u) { }
67 ConstantKey(Id t, float f): type_id(t), float_value(f) { }
69 bool operator<(const ConstantKey &) const;
73 FunctionDeclaration *current_function;
74 std::vector<const InterfaceLayout *> interface_layouts;
77 std::set<Capability> used_capabilities;
78 std::map<std::string, Id> imported_extension_ids;
79 std::map<Node *, Declaration> declared_ids;
80 std::map<std::string, Id> declared_uniform_ids;
81 std::map<TypeKey, Id> standard_type_ids;
82 std::map<TypeKey, Id> array_type_ids;
83 std::map<TypeKey, Id> pointer_type_ids;
84 std::map<std::string, Id> function_type_ids;
85 std::map<ConstantKey, Id> constant_ids;
86 std::map<const VariableDeclaration *, Id> variable_load_ids;
88 Id r_expression_result_id;
89 bool r_constant_result;
90 bool constant_expression;
93 bool composite_access;
94 Id r_composite_base_id;
95 Node *r_composite_base;
96 std::vector<unsigned> r_composite_chain;
97 Id assignment_source_id;
98 Id loop_merge_block_id;
99 Id loop_continue_target_id;
101 static const BuiltinFunctionInfo builtin_functions[];
106 void apply(Module &);
107 const std::vector<Word> &get_code() const { return content.code; }
110 static StorageClass get_interface_storage(const std::string &, bool);
111 static SpirVBuiltin get_builtin_semantic(const std::string &);
112 void use_capability(Capability);
113 Id import_extension(const std::string &);
114 Id get_id(Node &) const;
115 Id allocate_id(Node &, Id);
116 Id allocate_forward_id(Node &);
117 Id write_constant(Id, Word, bool);
118 static ConstantKey get_constant_key(Id, const Variant &value);
119 Id get_constant_id(Id, const Variant &value);
120 Id get_vector_constant_id(Id, unsigned, Id);
121 Id get_standard_type_id(BasicTypeDeclaration::Kind, unsigned, bool = true);
122 bool is_scalar_type(Id, BasicTypeDeclaration::Kind) const;
123 Id get_array_type_id(TypeDeclaration &, unsigned);
124 Id get_pointer_type_id(Id, StorageClass);
125 Id get_variable_type_id(const VariableDeclaration &);
126 Id get_load_id(VariableDeclaration &);
127 void prune_loads(Id);
128 Id begin_expression(Opcode, Id, unsigned = 0);
129 void end_expression(Opcode);
130 Id write_expression(Opcode, Id, Id);
131 Id write_expression(Opcode, Id, Id, Id);
132 void write_deconstruct(Id, Id, Id *, unsigned);
133 Id write_construct(Id, const Id *, unsigned);
135 virtual void visit(Block &);
136 virtual void visit(Literal &);
137 virtual void visit(VariableReference &);
138 virtual void visit(InterfaceBlockReference &);
139 void generate_composite_access(TypeDeclaration &);
140 void visit_composite(Expression &, unsigned, TypeDeclaration &);
141 void visit_isolated(Expression &);
142 virtual void visit(MemberAccess &);
143 virtual void visit(Swizzle &);
144 virtual void visit(UnaryExpression &);
145 virtual void visit(BinaryExpression &);
146 virtual void visit(Assignment &);
147 virtual void visit(TernaryExpression &);
148 virtual void visit(FunctionCall &);
149 void visit_constructor(FunctionCall &, const std::vector<Id> &, bool);
150 void visit_builtin_matrix_comp_mult(FunctionCall &, const std::vector<Id> &);
151 void visit_builtin_texture(FunctionCall &, const std::vector<Id> &);
152 void visit_builtin_texel_fetch(FunctionCall &, const std::vector<Id> &);
153 void visit_builtin_interpolate(FunctionCall &, const std::vector<Id> &);
154 virtual void visit(ExpressionStatement &);
155 virtual void visit(InterfaceLayout &);
156 bool check_duplicate_type(TypeDeclaration &);
157 bool check_standard_type(BasicTypeDeclaration &);
158 virtual void visit(BasicTypeDeclaration &);
159 virtual void visit(ImageTypeDeclaration &);
160 virtual void visit(StructDeclaration &);
161 virtual void visit(VariableDeclaration &);
162 virtual void visit(InterfaceBlock &);
163 void visit_entry_point(FunctionDeclaration &, Id);
164 virtual void visit(FunctionDeclaration &);
165 virtual void visit(Conditional &);
166 virtual void visit(Iteration &);
167 virtual void visit(Return &);
168 virtual void visit(Jump &);