| // Copyright 2019 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "dawn/common/Result.h" |
| |
| namespace dawn { |
| |
| // Implementation details of the tagged pointer Results |
| namespace detail { |
| |
| intptr_t MakePayload(const void* pointer, PayloadType type) { |
| intptr_t payload = reinterpret_cast<intptr_t>(pointer); |
| ASSERT((payload & 3) == 0); |
| return payload | type; |
| } |
| |
| PayloadType GetPayloadType(intptr_t payload) { |
| return static_cast<PayloadType>(payload & 3); |
| } |
| |
| } // namespace detail |
| } // namespace dawn |