44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
// Copyright 2019 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_DAWN_WIRE_WIREDESERIALIZEALLOCATOR_H_
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#define SRC_DAWN_WIRE_WIREDESERIALIZEALLOCATOR_H_
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#include <vector>
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#include "dawn/wire/WireCmd_autogen.h"
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namespace dawn::wire {
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// A really really simple implementation of the DeserializeAllocator. It's main feature
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// is that it has some inline storage so as to avoid allocations for the majority of
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// commands.
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class WireDeserializeAllocator : public DeserializeAllocator {
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public:
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WireDeserializeAllocator();
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virtual ~WireDeserializeAllocator();
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void* GetSpace(size_t size) override;
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void Reset();
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private:
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size_t mRemainingSize = 0;
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char* mCurrentBuffer = nullptr;
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char mStaticBuffer[2048];
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std::vector<char*> mAllocations;
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};
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} // namespace dawn::wire
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#endif // SRC_DAWN_WIRE_WIREDESERIALIZEALLOCATOR_H_
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