1 /* 2 * Copyright (C) 2021–2022 Beijing OSWare Technology Co., Ltd 3 * This file contains confidential and proprietary information of 4 * OSWare Technology Co., Ltd 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 #ifndef DRM_ALLOCATOR_H 19 #define DRM_ALLOCATOR_H 20 #include <string> 21 #include "allocator.h" 22 namespace OHOS { 23 namespace HDI { 24 namespace DISPLAY { 25 class DrmAllocator : public Allocator { 26 public: 27 int32_t Init() override; 28 int32_t Allocate(const BufferInfo &bufferInfo, BufferHandle &handle) override; 29 ~DrmAllocator() override; 30 private: 31 static constexpr const char* FILE_PATH = "/dev/dri/card1"; 32 uint64_t GetPhysicalAddr(int primeFd); 33 int32_t drmFd_ = -1; 34 }; 35 } 36 } 37 } 38 #endif // DRM_ALLOCATOR_H