1 // Copyright 2019 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/server/Server.h" 16 #include "dawn_wire/WireServer.h" 17 18 namespace dawn_wire { namespace server { 19 Server(DawnDevice device,const DawnProcTable & procs,CommandSerializer * serializer,MemoryTransferService * memoryTransferService)20 Server::Server(DawnDevice device, 21 const DawnProcTable& procs, 22 CommandSerializer* serializer, 23 MemoryTransferService* memoryTransferService) 24 : mSerializer(serializer), mProcs(procs), mMemoryTransferService(memoryTransferService) { 25 if (mMemoryTransferService == nullptr) { 26 // If a MemoryTransferService is not provided, fallback to inline memory. 27 mOwnedMemoryTransferService = CreateInlineMemoryTransferService(); 28 mMemoryTransferService = mOwnedMemoryTransferService.get(); 29 } 30 // The client-server knowledge is bootstrapped with device 1. 31 auto* deviceData = DeviceObjects().Allocate(1); 32 deviceData->handle = device; 33 34 mProcs.deviceSetErrorCallback(device, ForwardDeviceError, this); 35 } 36 ~Server()37 Server::~Server() { 38 DestroyAllObjects(mProcs); 39 } 40 GetCmdSpace(size_t size)41 void* Server::GetCmdSpace(size_t size) { 42 return mSerializer->GetCmdSpace(size); 43 } 44 InjectTexture(DawnTexture texture,uint32_t id,uint32_t generation)45 bool Server::InjectTexture(DawnTexture texture, uint32_t id, uint32_t generation) { 46 ObjectData<DawnTexture>* data = TextureObjects().Allocate(id); 47 if (data == nullptr) { 48 return false; 49 } 50 51 data->handle = texture; 52 data->serial = generation; 53 data->allocated = true; 54 55 // The texture is externally owned so it shouldn't be destroyed when we receive a destroy 56 // message from the client. Add a reference to counterbalance the eventual release. 57 mProcs.textureReference(texture); 58 59 return true; 60 } 61 62 }} // namespace dawn_wire::server 63