1 /* 2 * Copyright 2020 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/hardware_buffer.h> 20 21 #include <memory> 22 23 namespace android { 24 namespace uirenderer { 25 26 // Deleter for an AHardwareBuffer, to be passed to an std::unique_ptr. 27 struct AHardwareBuffer_deleter { operatorAHardwareBuffer_deleter28 void operator()(AHardwareBuffer* ahb) const { AHardwareBuffer_release(ahb); } 29 }; 30 31 using UniqueAHardwareBuffer = std::unique_ptr<AHardwareBuffer, AHardwareBuffer_deleter>; 32 33 // Allocates a UniqueAHardwareBuffer with the provided buffer description. 34 // Returns nullptr if allocation did not succeed. 35 UniqueAHardwareBuffer allocateAHardwareBuffer(const AHardwareBuffer_Desc& desc); 36 37 } // namespace uirenderer 38 } // namespace android 39