| // 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. |
| |
| #ifndef SRC_DAWN_WIRE_WIREDESERIALIZEALLOCATOR_H_ |
| #define SRC_DAWN_WIRE_WIREDESERIALIZEALLOCATOR_H_ |
| |
| #include <vector> |
| |
| #include "dawn/wire/WireCmd_autogen.h" |
| |
| namespace dawn::wire { |
| // A really really simple implementation of the DeserializeAllocator. It's main feature |
| // is that it has some inline storage so as to avoid allocations for the majority of |
| // commands. |
| class WireDeserializeAllocator : public DeserializeAllocator { |
| public: |
| WireDeserializeAllocator(); |
| virtual ~WireDeserializeAllocator(); |
| |
| void* GetSpace(size_t size) override; |
| |
| void Reset(); |
| |
| private: |
| size_t mRemainingSize = 0; |
| char* mCurrentBuffer = nullptr; |
| char mStaticBuffer[2048]; |
| std::vector<char*> mAllocations; |
| }; |
| } // namespace dawn::wire |
| |
| #endif // SRC_DAWN_WIRE_WIREDESERIALIZEALLOCATOR_H_ |