1 // Copyright 2018 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 #ifndef DAWNNATIVE_ADAPTER_H_ 16 #define DAWNNATIVE_ADAPTER_H_ 17 18 #include "dawn_native/DawnNative.h" 19 20 #include "dawn_native/Error.h" 21 22 namespace dawn_native { 23 24 class DeviceBase; 25 26 class AdapterBase { 27 public: 28 AdapterBase(InstanceBase* instance, BackendType backend); 29 virtual ~AdapterBase() = default; 30 31 BackendType GetBackendType() const; 32 DeviceType GetDeviceType() const; 33 const PCIInfo& GetPCIInfo() const; 34 InstanceBase* GetInstance() const; 35 36 DeviceBase* CreateDevice(const DeviceDescriptor* descriptor = nullptr); 37 38 protected: 39 PCIInfo mPCIInfo = {}; 40 DeviceType mDeviceType = DeviceType::Unknown; 41 42 private: 43 virtual ResultOrError<DeviceBase*> CreateDeviceImpl(const DeviceDescriptor* descriptor) = 0; 44 45 MaybeError CreateDeviceInternal(DeviceBase** result, const DeviceDescriptor* descriptor); 46 47 InstanceBase* mInstance = nullptr; 48 BackendType mBackend; 49 }; 50 51 } // namespace dawn_native 52 53 #endif // DAWNNATIVE_ADAPTER_H_ 54