1 /* 2 * Copyright 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <android-base/unique_fd.h> 20 #include <android/hardware/graphics/mapper/2.0/IMapper.h> 21 22 namespace android { 23 namespace hardware { 24 namespace graphics { 25 namespace mapper { 26 namespace V2_0 { 27 namespace hal { 28 29 class MapperHal { 30 public: 31 virtual ~MapperHal() = default; 32 33 // create a BufferDescriptor 34 virtual Error createDescriptor(const IMapper::BufferDescriptorInfo& descriptorInfo, 35 BufferDescriptor* outDescriptor) = 0; 36 37 // import a raw handle owned by the caller 38 virtual Error importBuffer(const native_handle_t* rawHandle, 39 native_handle_t** outBufferHandle) = 0; 40 41 // free an imported buffer handle 42 virtual Error freeBuffer(native_handle_t* bufferHandle) = 0; 43 44 // lock a buffer 45 virtual Error lock(const native_handle_t* bufferHandle, uint64_t cpuUsage, 46 const IMapper::Rect& accessRegion, base::unique_fd fenceFd, 47 void** outData) = 0; 48 49 // lock a YCbCr buffer 50 virtual Error lockYCbCr(const native_handle_t* bufferHandle, uint64_t cpuUsage, 51 const IMapper::Rect& accessRegion, base::unique_fd fenceFd, 52 YCbCrLayout* outLayout) = 0; 53 54 // unlock a buffer 55 virtual Error unlock(const native_handle_t* bufferHandle, base::unique_fd* outFenceFd) = 0; 56 }; 57 58 } // namespace hal 59 } // namespace V2_0 60 } // namespace mapper 61 } // namespace graphics 62 } // namespace hardware 63 } // namespace android 64
