17ec681f3Smrg/* 27ec681f3Smrg * Copyright © 2020 Red Hat Inc. 37ec681f3Smrg * 47ec681f3Smrg * Permission is hereby granted, free of charge, to any person obtaining a 57ec681f3Smrg * copy of this software and associated documentation files (the "Software"), 67ec681f3Smrg * to deal in the Software without restriction, including without limitation 77ec681f3Smrg * the rights to use, copy, modify, merge, publish, distribute, sublicense, 87ec681f3Smrg * and/or sell copies of the Software, and to permit persons to whom the 97ec681f3Smrg * Software is furnished to do so, subject to the following conditions: 107ec681f3Smrg * 117ec681f3Smrg * The above copyright notice and this permission notice (including the next 127ec681f3Smrg * paragraph) shall be included in all copies or substantial portions of the 137ec681f3Smrg * Software. 147ec681f3Smrg * 157ec681f3Smrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 167ec681f3Smrg * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 177ec681f3Smrg * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 187ec681f3Smrg * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 197ec681f3Smrg * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 207ec681f3Smrg * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 217ec681f3Smrg * IN THE SOFTWARE. 227ec681f3Smrg */ 237ec681f3Smrg 247ec681f3Smrg#ifdef __cplusplus 257ec681f3Smrg 267ec681f3Smrg#include "macros.h" 277ec681f3Smrg#include <type_traits> 287ec681f3Smrg 297ec681f3Smrg// some enum helpers 307ec681f3Smrg#define MESA_DEFINE_CPP_ENUM_BINARY_OPERATOR(Enum, op) \ 317ec681f3Smrgextern "C++" { \ 327ec681f3SmrgUNUSED static constexpr \ 337ec681f3SmrgEnum operator op (Enum a, Enum b) \ 347ec681f3Smrg{ \ 357ec681f3Smrg using IntType = std::underlying_type_t<Enum>; \ 367ec681f3Smrg IntType ua = static_cast<IntType>(a); \ 377ec681f3Smrg IntType ub = static_cast<IntType>(b); \ 387ec681f3Smrg return static_cast<Enum>(ua op ub); \ 397ec681f3Smrg} \ 407ec681f3Smrg \ 417ec681f3SmrgUNUSED static constexpr \ 427ec681f3SmrgEnum& operator op##= (Enum &a, Enum b) \ 437ec681f3Smrg{ \ 447ec681f3Smrg using IntType = std::underlying_type_t<Enum>; \ 457ec681f3Smrg IntType ua = static_cast<IntType>(a); \ 467ec681f3Smrg IntType ub = static_cast<IntType>(b); \ 477ec681f3Smrg ua op##= ub; \ 487ec681f3Smrg a = static_cast<Enum>(ua); \ 497ec681f3Smrg return a; \ 507ec681f3Smrg} \ 517ec681f3Smrg} 527ec681f3Smrg 537ec681f3Smrg#define MESA_DEFINE_CPP_ENUM_UNARY_OPERATOR(Enum, op) \ 547ec681f3Smrgextern "C++" { \ 557ec681f3SmrgUNUSED static constexpr \ 567ec681f3SmrgEnum operator op (Enum a) \ 577ec681f3Smrg{ \ 587ec681f3Smrg using IntType = std::underlying_type_t<Enum>; \ 597ec681f3Smrg IntType ua = static_cast<IntType>(a); \ 607ec681f3Smrg return static_cast<Enum>(op ua); \ 617ec681f3Smrg} \ 627ec681f3Smrg} 637ec681f3Smrg 647ec681f3Smrg#define MESA_DEFINE_CPP_ENUM_BITFIELD_OPERATORS(Enum) \ 657ec681f3SmrgMESA_DEFINE_CPP_ENUM_BINARY_OPERATOR(Enum, |) \ 667ec681f3SmrgMESA_DEFINE_CPP_ENUM_BINARY_OPERATOR(Enum, &) \ 677ec681f3SmrgMESA_DEFINE_CPP_ENUM_BINARY_OPERATOR(Enum, ^) \ 687ec681f3SmrgMESA_DEFINE_CPP_ENUM_UNARY_OPERATOR(Enum, ~) 697ec681f3Smrg 707ec681f3Smrg#else 717ec681f3Smrg 727ec681f3Smrg#define MESA_DEFINE_CPP_ENUM_BITFIELD_OPERATORS(Enum) 737ec681f3Smrg 747ec681f3Smrg#endif 75