1 // Copyright 2020 The Dawn Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include "dawn_wire/ChunkedCommandSerializer.h" 16 17 namespace dawn_wire { 18 ChunkedCommandSerializer(CommandSerializer * serializer)19 ChunkedCommandSerializer::ChunkedCommandSerializer(CommandSerializer* serializer) 20 : mSerializer(serializer), mMaxAllocationSize(serializer->GetMaximumAllocationSize()) { 21 } 22 SerializeChunkedCommand(const char * allocatedBuffer,size_t remainingSize)23 void ChunkedCommandSerializer::SerializeChunkedCommand(const char* allocatedBuffer, 24 size_t remainingSize) { 25 while (remainingSize > 0) { 26 size_t chunkSize = std::min(remainingSize, mMaxAllocationSize); 27 void* dst = mSerializer->GetCmdSpace(chunkSize); 28 if (dst == nullptr) { 29 return; 30 } 31 memcpy(dst, allocatedBuffer, chunkSize); 32 33 allocatedBuffer += chunkSize; 34 remainingSize -= chunkSize; 35 } 36 } 37 38 } // namespace dawn_wire 39