Changeset 83
- Timestamp:
- 06/02/13 10:10:26 (13 years ago)
- File:
-
- 1 edited
-
trunk/nv/types.hh (modified) (3 diffs)
Legend:
- Unmodified
- Added
- Removed
-
trunk/nv/types.hh
r82 r83 20 20 namespace nv 21 21 { 22 23 enum datatype 24 { 25 INT, 26 BYTE, 27 SHORT, 28 UINT, 29 UBYTE, 30 USHORT, 31 FLOAT, 32 FLOAT_VECTOR_2, 33 FLOAT_VECTOR_3, 34 FLOAT_VECTOR_4, 35 FLOAT_MATRIX_2, 36 FLOAT_MATRIX_3, 37 FLOAT_MATRIX_4, 38 INT_VECTOR_2, 39 INT_VECTOR_3, 40 INT_VECTOR_4, 41 // unsupported gl conversion, remove? 42 BYTE_VECTOR_2, 43 BYTE_VECTOR_3, 44 BYTE_VECTOR_4, 45 }; 46 47 template <typename T> 48 struct datatype_traits 49 { 50 typedef T type; 51 typedef T base_type; 52 static const size_t size = 1; 53 }; 54 55 template <typename T> 56 struct datatype_traits< glm::detail::tvec2<T> > 57 { 58 typedef glm::detail::tvec2<T> type; 59 typedef typename type::value_type base_type; 60 static const size_t size = 2; 61 }; 62 63 template <typename T> 64 struct datatype_traits< glm::detail::tvec3<T> > 65 { 66 typedef glm::detail::tvec3<T> type; 67 typedef typename type::value_type base_type; 68 static const size_t size = 3; 69 }; 70 71 template <typename T> 72 struct datatype_traits< glm::detail::tvec4<T> > 73 { 74 typedef glm::detail::tvec4<T> type; 75 typedef typename type::value_type base_type; 76 static const size_t size = 4; 77 }; 78 79 typedef glm::detail::tvec2<sint8> i8vec2; 80 typedef glm::detail::tvec3<sint8> i8vec3; 81 typedef glm::detail::tvec4<sint8> i8vec4; 82 83 typedef glm::vec2 vec2; 84 typedef glm::vec3 vec3; 85 typedef glm::vec4 vec4; 86 87 typedef glm::ivec2 ivec2; 88 typedef glm::ivec3 ivec3; 89 typedef glm::ivec4 ivec4; 90 91 typedef glm::mat2 mat2; 92 typedef glm::mat3 mat3; 93 typedef glm::mat4 mat4; 94 95 template < datatype EnumType > struct enum_to_type {}; 96 97 template <> struct enum_to_type< INT > { typedef int type; }; 98 template <> struct enum_to_type< UINT > { typedef unsigned int type; }; 99 template <> struct enum_to_type< SHORT > { typedef short type; }; 100 template <> struct enum_to_type< USHORT >{ typedef unsigned short type; }; 101 template <> struct enum_to_type< BYTE > { typedef char type; }; 102 template <> struct enum_to_type< UBYTE > { typedef unsigned char type; }; 103 template <> struct enum_to_type< FLOAT > { typedef f32 type; }; 104 105 template <> struct enum_to_type< FLOAT_VECTOR_2 > { typedef vec2 type; }; 106 template <> struct enum_to_type< FLOAT_VECTOR_3 > { typedef vec3 type; }; 107 template <> struct enum_to_type< FLOAT_VECTOR_4 > { typedef vec4 type; }; 108 109 template <> struct enum_to_type< INT_VECTOR_2 > { typedef ivec2 type; }; 110 template <> struct enum_to_type< INT_VECTOR_3 > { typedef ivec3 type; }; 111 template <> struct enum_to_type< INT_VECTOR_4 > { typedef ivec4 type; }; 112 113 template <> struct enum_to_type< BYTE_VECTOR_2 > { typedef i8vec2 type; }; 114 template <> struct enum_to_type< BYTE_VECTOR_3 > { typedef i8vec3 type; }; 115 template <> struct enum_to_type< BYTE_VECTOR_4 > { typedef i8vec4 type; }; 116 117 template <> struct enum_to_type< FLOAT_MATRIX_2 > { typedef mat2 type; }; 118 template <> struct enum_to_type< FLOAT_MATRIX_3 > { typedef mat3 type; }; 119 template <> struct enum_to_type< FLOAT_MATRIX_4 > { typedef mat4 type; }; 120 121 template < typename TYPE > struct type_to_enum {}; 122 123 template <> struct type_to_enum< int > { static const datatype type = INT; }; 124 template <> struct type_to_enum< unsigned int > { static const datatype type = UINT; }; 125 template <> struct type_to_enum< short > { static const datatype type = SHORT; }; 126 template <> struct type_to_enum< unsigned short >{ static const datatype type = USHORT; }; 127 template <> struct type_to_enum< char > { static const datatype type = BYTE; }; 128 template <> struct type_to_enum< signed char > { static const datatype type = BYTE; }; 129 template <> struct type_to_enum< unsigned char > { static const datatype type = UBYTE; }; 130 template <> struct type_to_enum< f32 > { static const datatype type = FLOAT; }; 131 132 template <> struct type_to_enum< vec2 > { static const datatype type = FLOAT_VECTOR_2; }; 133 template <> struct type_to_enum< vec3 > { static const datatype type = FLOAT_VECTOR_3; }; 134 template <> struct type_to_enum< vec4 > { static const datatype type = FLOAT_VECTOR_4; }; 135 136 template <> struct type_to_enum< ivec2 > { static const datatype type = INT_VECTOR_2; }; 137 template <> struct type_to_enum< ivec3 > { static const datatype type = INT_VECTOR_3; }; 138 template <> struct type_to_enum< ivec4 > { static const datatype type = INT_VECTOR_4; }; 139 140 template <> struct type_to_enum< i8vec2 > { static const datatype type = BYTE_VECTOR_2; }; 141 template <> struct type_to_enum< i8vec3 > { static const datatype type = BYTE_VECTOR_3; }; 142 template <> struct type_to_enum< i8vec4 > { static const datatype type = BYTE_VECTOR_4; }; 143 144 template <> struct type_to_enum< mat2 > { static const datatype type = FLOAT_MATRIX_2; }; 145 template <> struct type_to_enum< mat3 > { static const datatype type = FLOAT_MATRIX_3; }; 146 template <> struct type_to_enum< mat4 > { static const datatype type = FLOAT_MATRIX_4; }; 147 148 template<typename T> 149 struct is_container 150 { 151 private: 152 typedef char yes; 153 typedef struct { char array[2]; } no; 154 template<typename C> static yes test(typename C::iterator*); 155 template<typename C> static no test(...); 156 public: 157 static const bool value = sizeof(test<T>(0)) == sizeof(yes); 158 }; 159 160 template<> 161 struct is_container< std::string > { 162 static const bool value = false; 163 }; 164 165 struct type_entry; 166 167 enum type_flag 168 { 169 TF_POINTER = 0x01, //< field is a pointer 170 TF_NOSERIALIZE = 0x02, //< ignore during serialization 171 TF_INVISIBLE = 0x04, //< field invisible to API 172 TF_READONLY = 0x08, //< read only field 173 TF_SIMPLETYPE = 0x10, //< raw binary I/O possible 174 TF_OWNED = 0x20, 175 TF_CONTAINER = 0x40, //< is a container 176 }; 177 178 struct type_field 179 { 180 std::string name; //< name of the field 181 std::string type_name; //< name of the type of the field 182 const std::type_info* type_inf; //< typeinfo for later retrieval of type 183 type_entry* type; //< pointer to field type 184 unsigned int flags; //< flags 185 size_t offset; 186 187 template< typename TOBJECT, typename TFIELD > 188 type_field( const char* name, TFIELD TOBJECT::*field, typename std::enable_if< is_container<TFIELD>::value, void* >::type = nullptr ) 189 : name(name) 190 , type_name() 191 , type_inf( &typeid( std::remove_pointer<typename TFIELD::value_type>::type ) ) 192 , type( nullptr ) 193 , flags( 0 ) 194 , offset( offsetof( TOBJECT, *field ) ) 195 // NOTE: if offsetof behaves badly, check offset_of in common.hh 196 { 197 flags = TF_CONTAINER | 198 ( std::is_pointer<TFIELD::value_type>::value ? TF_POINTER : 0 ) | 199 ( std::is_pod<TFIELD::value_type>::value ? TF_SIMPLETYPE : 0 ); 200 } 201 202 template< typename TOBJECT, typename TFIELD > 203 type_field( const char* name, TFIELD TOBJECT::*field, typename std::enable_if< !is_container<TFIELD>::value, void* >::type = nullptr ) 204 : name(name) 205 , type_name() 206 , type_inf( &typeid( std::remove_pointer<TFIELD>::type ) ) 207 , type( nullptr ) 208 , flags( 0 ) 209 , offset( offsetof( TOBJECT, *field ) ) 210 // NOTE: if offsetof behaves badly, check offset_of in common.hh 211 { 212 flags = 213 ( std::is_pointer<TFIELD>::value ? TF_POINTER : 0 ) | 214 ( std::is_pod<TFIELD>::value ? TF_SIMPLETYPE : 0 ); 215 } 216 217 type_field& flag( unsigned int f ) 218 { 219 flags |= f; 220 return *this; 221 } 222 }; 223 224 struct type_enum 225 { 226 std::string name; 227 int value; 228 type_enum( const char* name, int value ) : name(name), value(value) {} 229 }; 22 enum datatype 23 { 24 INT, 25 BYTE, 26 SHORT, 27 UINT, 28 UBYTE, 29 USHORT, 30 FLOAT, 31 FLOAT_VECTOR_2, 32 FLOAT_VECTOR_3, 33 FLOAT_VECTOR_4, 34 FLOAT_MATRIX_2, 35 FLOAT_MATRIX_3, 36 FLOAT_MATRIX_4, 37 INT_VECTOR_2, 38 INT_VECTOR_3, 39 INT_VECTOR_4, 40 // unsupported gl conversion, remove? 41 BYTE_VECTOR_2, 42 BYTE_VECTOR_3, 43 BYTE_VECTOR_4, 44 }; 45 46 template <typename T> 47 struct datatype_traits 48 { 49 typedef T type; 50 typedef T base_type; 51 static const size_t size = 1; 52 }; 53 54 template <typename T> 55 struct datatype_traits< glm::detail::tvec2<T> > 56 { 57 typedef glm::detail::tvec2<T> type; 58 typedef typename type::value_type base_type; 59 static const size_t size = 2; 60 }; 61 62 template <typename T> 63 struct datatype_traits< glm::detail::tvec3<T> > 64 { 65 typedef glm::detail::tvec3<T> type; 66 typedef typename type::value_type base_type; 67 static const size_t size = 3; 68 }; 69 70 template <typename T> 71 struct datatype_traits< glm::detail::tvec4<T> > 72 { 73 typedef glm::detail::tvec4<T> type; 74 typedef typename type::value_type base_type; 75 static const size_t size = 4; 76 }; 77 78 typedef glm::detail::tvec2<sint8> i8vec2; 79 typedef glm::detail::tvec3<sint8> i8vec3; 80 typedef glm::detail::tvec4<sint8> i8vec4; 81 82 typedef glm::vec2 vec2; 83 typedef glm::vec3 vec3; 84 typedef glm::vec4 vec4; 85 86 typedef glm::ivec2 ivec2; 87 typedef glm::ivec3 ivec3; 88 typedef glm::ivec4 ivec4; 89 90 typedef glm::mat2 mat2; 91 typedef glm::mat3 mat3; 92 typedef glm::mat4 mat4; 93 94 template < datatype EnumType > struct enum_to_type {}; 95 96 template <> struct enum_to_type< INT > { typedef int type; }; 97 template <> struct enum_to_type< UINT > { typedef unsigned int type; }; 98 template <> struct enum_to_type< SHORT > { typedef short type; }; 99 template <> struct enum_to_type< USHORT >{ typedef unsigned short type; }; 100 template <> struct enum_to_type< BYTE > { typedef char type; }; 101 template <> struct enum_to_type< UBYTE > { typedef unsigned char type; }; 102 template <> struct enum_to_type< FLOAT > { typedef f32 type; }; 103 104 template <> struct enum_to_type< FLOAT_VECTOR_2 > { typedef vec2 type; }; 105 template <> struct enum_to_type< FLOAT_VECTOR_3 > { typedef vec3 type; }; 106 template <> struct enum_to_type< FLOAT_VECTOR_4 > { typedef vec4 type; }; 107 108 template <> struct enum_to_type< INT_VECTOR_2 > { typedef ivec2 type; }; 109 template <> struct enum_to_type< INT_VECTOR_3 > { typedef ivec3 type; }; 110 template <> struct enum_to_type< INT_VECTOR_4 > { typedef ivec4 type; }; 111 112 template <> struct enum_to_type< BYTE_VECTOR_2 > { typedef i8vec2 type; }; 113 template <> struct enum_to_type< BYTE_VECTOR_3 > { typedef i8vec3 type; }; 114 template <> struct enum_to_type< BYTE_VECTOR_4 > { typedef i8vec4 type; }; 115 116 template <> struct enum_to_type< FLOAT_MATRIX_2 > { typedef mat2 type; }; 117 template <> struct enum_to_type< FLOAT_MATRIX_3 > { typedef mat3 type; }; 118 template <> struct enum_to_type< FLOAT_MATRIX_4 > { typedef mat4 type; }; 119 120 template < typename TYPE > struct type_to_enum {}; 121 122 template <> struct type_to_enum< int > { static const datatype type = INT; }; 123 template <> struct type_to_enum< unsigned int > { static const datatype type = UINT; }; 124 template <> struct type_to_enum< short > { static const datatype type = SHORT; }; 125 template <> struct type_to_enum< unsigned short >{ static const datatype type = USHORT; }; 126 template <> struct type_to_enum< char > { static const datatype type = BYTE; }; 127 template <> struct type_to_enum< signed char > { static const datatype type = BYTE; }; 128 template <> struct type_to_enum< unsigned char > { static const datatype type = UBYTE; }; 129 template <> struct type_to_enum< f32 > { static const datatype type = FLOAT; }; 130 131 template <> struct type_to_enum< vec2 > { static const datatype type = FLOAT_VECTOR_2; }; 132 template <> struct type_to_enum< vec3 > { static const datatype type = FLOAT_VECTOR_3; }; 133 template <> struct type_to_enum< vec4 > { static const datatype type = FLOAT_VECTOR_4; }; 134 135 template <> struct type_to_enum< ivec2 > { static const datatype type = INT_VECTOR_2; }; 136 template <> struct type_to_enum< ivec3 > { static const datatype type = INT_VECTOR_3; }; 137 template <> struct type_to_enum< ivec4 > { static const datatype type = INT_VECTOR_4; }; 138 139 template <> struct type_to_enum< i8vec2 > { static const datatype type = BYTE_VECTOR_2; }; 140 template <> struct type_to_enum< i8vec3 > { static const datatype type = BYTE_VECTOR_3; }; 141 template <> struct type_to_enum< i8vec4 > { static const datatype type = BYTE_VECTOR_4; }; 142 143 template <> struct type_to_enum< mat2 > { static const datatype type = FLOAT_MATRIX_2; }; 144 template <> struct type_to_enum< mat3 > { static const datatype type = FLOAT_MATRIX_3; }; 145 template <> struct type_to_enum< mat4 > { static const datatype type = FLOAT_MATRIX_4; }; 146 147 template<typename T> 148 struct is_container 149 { 150 private: 151 typedef char yes; 152 typedef struct { char array[2]; } no; 153 template<typename C> static yes test(typename C::iterator*); 154 template<typename C> static no test(...); 155 public: 156 static const bool value = sizeof(test<T>(0)) == sizeof(yes); 157 }; 158 159 template<> 160 struct is_container< std::string > { 161 static const bool value = false; 162 }; 163 164 struct type_entry; 165 166 enum type_flag 167 { 168 TF_POINTER = 0x01, //< field is a pointer 169 TF_NOSERIALIZE = 0x02, //< ignore during serialization 170 TF_INVISIBLE = 0x04, //< field invisible to API 171 TF_READONLY = 0x08, //< read only field 172 TF_SIMPLETYPE = 0x10, //< raw binary I/O possible 173 TF_OWNED = 0x20, 174 TF_CONTAINER = 0x40, //< is a container 175 }; 176 177 struct type_field 178 { 179 std::string name; //< name of the field 180 std::string type_name; //< name of the type of the field 181 const std::type_info* type_inf; //< typeinfo for later retrieval of type 182 type_entry* type; //< pointer to field type 183 unsigned int flags; //< flags 184 size_t offset; 185 186 template< typename TOBJECT, typename TFIELD > 187 type_field( const char* name, TFIELD TOBJECT::*field, typename std::enable_if< is_container<TFIELD>::value, void* >::type = nullptr ) 188 : name(name) 189 , type_name() 190 , type_inf( &typeid( std::remove_pointer<typename TFIELD::value_type>::type ) ) 191 , type( nullptr ) 192 , flags( 0 ) 193 , offset( offsetof( TOBJECT, *field ) ) 194 // NOTE: if offsetof behaves badly, check offset_of in common.hh 195 { 196 flags = TF_CONTAINER | 197 ( std::is_pointer<TFIELD::value_type>::value ? TF_POINTER : 0 ) | 198 ( std::is_pod<TFIELD::value_type>::value ? TF_SIMPLETYPE : 0 ); 199 } 200 201 template< typename TOBJECT, typename TFIELD > 202 type_field( const char* name, TFIELD TOBJECT::*field, typename std::enable_if< !is_container<TFIELD>::value, void* >::type = nullptr ) 203 : name(name) 204 , type_name() 205 , type_inf( &typeid( std::remove_pointer<TFIELD>::type ) ) 206 , type( nullptr ) 207 , flags( 0 ) 208 , offset( offsetof( TOBJECT, *field ) ) 209 // NOTE: if offsetof behaves badly, check offset_of in common.hh 210 { 211 flags = 212 ( std::is_pointer<TFIELD>::value ? TF_POINTER : 0 ) | 213 ( std::is_pod<TFIELD>::value ? TF_SIMPLETYPE : 0 ); 214 } 215 216 type_field& flag( unsigned int f ) 217 { 218 flags |= f; 219 return *this; 220 } 221 }; 222 223 struct type_enum 224 { 225 std::string name; 226 int value; 227 type_enum( const char* name, int value ) : name(name), value(value) {} 228 }; 230 229 231 230 struct type_entry … … 240 239 // Scoped C++ name of the type 241 240 std::string name; 242 241 243 242 // Pointers to the constructor and destructor functions 244 243 constructor_func constructor; 245 244 destructor_func destructor; 246 245 247 246 // Result of sizeof(type) operation 248 247 size_t size; … … 258 257 259 258 template <int TYPE> 260 type_entry& base()261 {262 base_type = type_db->get_type( typeid(TYPE) );263 }259 type_entry& base() 260 { 261 base_type = type_db->get_type( typeid(TYPE) ); 262 } 264 263 265 264 template <int SIZE> 266 type_entry& fields( type_field (&init_fields)[SIZE] )267 {268 for (int i = 0; i < SIZE; i++)269 {270 type_field f = init_fields[i];271 f.type = type_db->get_type(*(f.type_inf));272 f.type_name = f.type->name;273 field_list.push_back(f);274 }275 return *this;276 }277 278 template <int SIZE>279 type_entry& enums( type_enum (&init_enums)[SIZE] )280 {281 for (int i = 0; i < SIZE; i++)282 {283 enum_list.push_back( init_enums[i] );284 }285 return *this;286 }287 }; 288 289 // TODO: we don't need the get_type_name template? Can we just base on typeid now, and290 // pass type name on creation?265 type_entry& fields( type_field (&init_fields)[SIZE] ) 266 { 267 for (int i = 0; i < SIZE; i++) 268 { 269 type_field f = init_fields[i]; 270 f.type = type_db->get_type(*(f.type_inf)); 271 f.type_name = f.type->name; 272 field_list.push_back(f); 273 } 274 return *this; 275 } 276 277 template <int SIZE> 278 type_entry& enums( type_enum (&init_enums)[SIZE] ) 279 { 280 for (int i = 0; i < SIZE; i++) 281 { 282 enum_list.push_back( init_enums[i] ); 283 } 284 return *this; 285 } 286 }; 287 288 // TODO: we don't need the get_type_name template? Can we just base on typeid now, and 289 // pass type name on creation? 291 290 class type_database 292 291 { 293 public:294 template< typename TYPE >295 type_entry& create_type( const char* name )296 {297 type_entry* i_type = nullptr;298 type_name_map::iterator it = m_name_types.find( name );299 if ( it != m_name_types.end() )300 {301 return *(it->second);302 }303 i_type = new type_entry;304 i_type->type_db = this;305 i_type->name = name;306 i_type->size = sizeof(TYPE);307 308 i_type->constructor = ConstructObject<TYPE>;309 i_type->destructor = DestructObject<TYPE>;310 311 m_name_types[name] = i_type;312 m_idx_types[typeid(TYPE)] = i_type;313 return *i_type;314 }315 316 type_entry* get_type( const std::string name )317 {318 type_name_map::iterator it = m_name_types.find( name );319 if ( it != m_name_types.end() )320 {321 return it->second;322 }323 return nullptr;324 }325 326 type_entry* get_type( const std::type_info& t )327 {328 type_info_map::iterator it = m_idx_types.find( std::type_index(t) );329 if ( it != m_idx_types.end() )330 {331 return it->second;332 }333 return nullptr;334 }335 private:336 struct compare_type_info {337 bool operator ()(const std::type_info* a, const std::type_info* b) const {338 return a->before(*b);339 }340 };341 342 typedef std::unordered_map<std::string, type_entry*> type_name_map;343 typedef std::unordered_map<std::type_index, type_entry*> type_info_map;344 type_name_map m_name_types;345 type_info_map m_idx_types;346 };347 348 template <typename TYPE> void ConstructObject(void* object)292 public: 293 template< typename TYPE > 294 type_entry& create_type( const char* name ) 295 { 296 type_entry* i_type = nullptr; 297 type_name_map::iterator it = m_name_types.find( name ); 298 if ( it != m_name_types.end() ) 299 { 300 return *(it->second); 301 } 302 i_type = new type_entry; 303 i_type->type_db = this; 304 i_type->name = name; 305 i_type->size = sizeof(TYPE); 306 307 i_type->constructor = ConstructObject<TYPE>; 308 i_type->destructor = DestructObject<TYPE>; 309 310 m_name_types[name] = i_type; 311 m_idx_types[typeid(TYPE)] = i_type; 312 return *i_type; 313 } 314 315 type_entry* get_type( const std::string name ) 316 { 317 type_name_map::iterator it = m_name_types.find( name ); 318 if ( it != m_name_types.end() ) 319 { 320 return it->second; 321 } 322 return nullptr; 323 } 324 325 type_entry* get_type( const std::type_info& t ) 326 { 327 type_info_map::iterator it = m_idx_types.find( std::type_index(t) ); 328 if ( it != m_idx_types.end() ) 329 { 330 return it->second; 331 } 332 return nullptr; 333 } 334 private: 335 struct compare_type_info { 336 bool operator ()(const std::type_info* a, const std::type_info* b) const { 337 return a->before(*b); 338 } 339 }; 340 341 typedef std::unordered_map<std::string, type_entry*> type_name_map; 342 typedef std::unordered_map<std::type_index, type_entry*> type_info_map; 343 type_name_map m_name_types; 344 type_info_map m_idx_types; 345 }; 346 347 template <typename TYPE> void ConstructObject(void* object) 349 348 { 350 349 // Use placement new to call the constructor
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