|  | /* | 
|  | * Copyright 2020 The Android Open Source Project | 
|  | * | 
|  | * Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | * you may not use this file except in compliance with the License. | 
|  | * You may obtain a copy of the License at | 
|  | * | 
|  | *      http://www.apache.org/licenses/LICENSE-2.0 | 
|  | * | 
|  | * Unless required by applicable law or agreed to in writing, software | 
|  | * distributed under the License is distributed on an "AS IS" BASIS, | 
|  | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | * See the License for the specific language governing permissions and | 
|  | * limitations under the License. | 
|  | */ | 
|  |  | 
|  | #pragma once | 
|  |  | 
|  | #include <android/hardware_buffer.h> | 
|  |  | 
|  | #include <memory> | 
|  |  | 
|  | namespace android { | 
|  | namespace uirenderer { | 
|  |  | 
|  | // Deleter for an AHardwareBuffer, to be passed to an std::unique_ptr. | 
|  | struct AHardwareBuffer_deleter { | 
|  | void operator()(AHardwareBuffer* ahb) const { AHardwareBuffer_release(ahb); } | 
|  | }; | 
|  |  | 
|  | using UniqueAHardwareBuffer = std::unique_ptr<AHardwareBuffer, AHardwareBuffer_deleter>; | 
|  |  | 
|  | // Allocates a UniqueAHardwareBuffer with the provided buffer description. | 
|  | // Returns nullptr if allocation did not succeed. | 
|  | UniqueAHardwareBuffer allocateAHardwareBuffer(const AHardwareBuffer_Desc& desc); | 
|  |  | 
|  | }  // namespace uirenderer | 
|  | }  // namespace android |