| /* |
| * Copyright © 2020 Red Hat Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| */ |
| |
| #ifdef __cplusplus |
| |
| // some enum helpers |
| #define MESA_DEFINE_CPP_ENUM_BINARY_OPERATOR(Enum, op) \ |
| extern "C++" { \ |
| static inline \ |
| Enum operator op (Enum a, Enum b) \ |
| { \ |
| uint64_t ua = a, ub = b; \ |
| return static_cast<Enum>(ua op ub); \ |
| } \ |
| \ |
| static inline \ |
| Enum& operator op##= (Enum &a, Enum b) \ |
| { \ |
| uint64_t ua = a, ub = b; \ |
| ua op##= ub; \ |
| a = static_cast<Enum>(ua); \ |
| return a; \ |
| } \ |
| } |
| |
| #define MESA_DEFINE_CPP_ENUM_UNARY_OPERATOR(Enum, op) \ |
| extern "C++" { \ |
| static inline \ |
| Enum operator op (Enum a) \ |
| { \ |
| uint64_t ua = a; \ |
| return static_cast<Enum>(op ua); \ |
| } \ |
| } |
| |
| #define MESA_DEFINE_CPP_ENUM_BITFIELD_OPERATORS(Enum) \ |
| MESA_DEFINE_CPP_ENUM_BINARY_OPERATOR(Enum, |) \ |
| MESA_DEFINE_CPP_ENUM_BINARY_OPERATOR(Enum, &) \ |
| MESA_DEFINE_CPP_ENUM_BINARY_OPERATOR(Enum, ^) \ |
| MESA_DEFINE_CPP_ENUM_UNARY_OPERATOR(Enum, ~) |
| |
| #else |
| |
| #define MESA_DEFINE_CPP_ENUM_BITFIELD_OPERATORS(Enum) |
| |
| #endif |