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
35 void (SpirVGenerator::*handler)(FunctionCall &, const std::vector<Id> &);
43 Declaration(Id i, Id t): id(i), type_id(t) { }
51 TypeKey(Id i, unsigned d): type_id(i), detail(d) { }
52 TypeKey(BasicTypeDeclaration::Kind, bool);
54 bool operator<(const TypeKey &) const;
66 ConstantKey(Id t, int i): type_id(t), int_value(i) { }
67 ConstantKey(Id t, unsigned u): type_id(t), int_value(u) { }
68 ConstantKey(Id t, float f): type_id(t), float_value(f) { }
70 bool operator<(const ConstantKey &) const;
74 FunctionDeclaration *current_function;
75 std::vector<const InterfaceLayout *> interface_layouts;
78 std::set<Capability> used_capabilities;
79 std::map<std::string, Id> imported_extension_ids;
80 std::map<Node *, Declaration> declared_ids;
81 std::map<std::string, Id> declared_uniform_ids;
82 std::map<TypeKey, Id> standard_type_ids;
83 std::map<TypeKey, Id> array_type_ids;
84 std::map<TypeKey, Id> pointer_type_ids;
85 std::map<std::string, Id> function_type_ids;
86 std::map<ConstantKey, Id> constant_ids;
87 std::map<const VariableDeclaration *, Id> variable_load_ids;
89 Id r_expression_result_id;
90 bool r_constant_result;
91 bool constant_expression;
94 bool composite_access;
95 Id r_composite_base_id;
96 Node *r_composite_base;
97 std::vector<unsigned> r_composite_chain;
98 Id assignment_source_id;
99 Id loop_merge_block_id;
100 Id loop_continue_target_id;
102 static const BuiltinFunctionInfo builtin_functions[];
107 void apply(Module &);
108 const std::vector<Word> &get_code() const { return content.code; }
111 static StorageClass get_interface_storage(const std::string &, bool);
112 static SpirVBuiltin get_builtin_semantic(const std::string &);
113 void use_capability(Capability);
114 Id import_extension(const std::string &);
115 Id get_id(Node &) const;
116 Id allocate_id(Node &, Id);
117 Id allocate_forward_id(Node &);
118 Id write_constant(Id, Word, bool);
119 static ConstantKey get_constant_key(Id, const Variant &value);
120 Id get_constant_id(Id, const Variant &value);
121 Id get_vector_constant_id(Id, unsigned, Id);
122 Id get_standard_type_id(BasicTypeDeclaration::Kind, unsigned, bool = true);
123 bool is_scalar_type(Id, BasicTypeDeclaration::Kind) const;
124 Id get_array_type_id(TypeDeclaration &, unsigned);
125 Id get_pointer_type_id(Id, StorageClass);
126 Id get_variable_type_id(const VariableDeclaration &);
127 Id get_load_id(VariableDeclaration &);
128 void prune_loads(Id);
129 Id begin_expression(Opcode, Id, unsigned = 0);
130 void end_expression(Opcode);
131 Id write_expression(Opcode, Id, Id);
132 Id write_expression(Opcode, Id, Id, Id);
133 void write_deconstruct(Id, Id, Id *, unsigned);
134 Id write_construct(Id, const Id *, unsigned);
136 virtual void visit(Block &);
137 virtual void visit(Literal &);
138 virtual void visit(VariableReference &);
139 virtual void visit(InterfaceBlockReference &);
140 void generate_composite_access(TypeDeclaration &);
141 void visit_composite(Expression &, unsigned, TypeDeclaration &);
142 void visit_isolated(Expression &);
143 virtual void visit(MemberAccess &);
144 virtual void visit(Swizzle &);
145 virtual void visit(UnaryExpression &);
146 virtual void visit(BinaryExpression &);
147 virtual void visit(Assignment &);
148 virtual void visit(TernaryExpression &);
149 virtual void visit(FunctionCall &);
150 void visit_constructor(FunctionCall &, const std::vector<Id> &, bool);
151 void visit_builtin_matrix_comp_mult(FunctionCall &, const std::vector<Id> &);
152 void visit_builtin_texture(FunctionCall &, const std::vector<Id> &);
153 void visit_builtin_texel_fetch(FunctionCall &, const std::vector<Id> &);
154 void visit_builtin_interpolate(FunctionCall &, const std::vector<Id> &);
155 virtual void visit(ExpressionStatement &);
156 virtual void visit(InterfaceLayout &);
157 bool check_duplicate_type(TypeDeclaration &);
158 bool check_standard_type(BasicTypeDeclaration &);
159 virtual void visit(BasicTypeDeclaration &);
160 virtual void visit(ImageTypeDeclaration &);
161 virtual void visit(StructDeclaration &);
162 virtual void visit(VariableDeclaration &);
163 virtual void visit(InterfaceBlock &);
164 void visit_entry_point(FunctionDeclaration &, Id);
165 virtual void visit(FunctionDeclaration &);
166 virtual void visit(Conditional &);
167 virtual void visit(Iteration &);
168 virtual void visit(Return &);
169 virtual void visit(Jump &);