1 /* 2 * Copyright (C) 2024 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 <stdint.h> 20 #include <array> 21 #include <string> 22 23 namespace android { 24 25 /** 26 * An opaque value that uniquely identifies a picture profile, or a set of parameters, which 27 * describes the configuration of a picture processing pipeline that is applied to a graphic buffer 28 * to enhance its quality prior to rendering on the display. 29 */ 30 typedef int64_t PictureProfileId; 31 32 /** 33 * A picture profile handle wraps the picture profile ID for type-safety, and represents an opaque 34 * handle that doesn't have the performance drawbacks of Binders. 35 */ 36 class PictureProfileHandle { 37 public: 38 // A profile that represents no picture processing. 39 static const PictureProfileHandle NONE; 40 PictureProfileHandle()41 PictureProfileHandle() { *this = NONE; } PictureProfileHandle(PictureProfileId id)42 explicit PictureProfileHandle(PictureProfileId id) : mId(id) {} 43 getId()44 PictureProfileId const& getId() const { return mId; } 45 46 inline bool operator==(const PictureProfileHandle& rhs) { return mId == rhs.mId; } 47 inline bool operator!=(const PictureProfileHandle& rhs) { return !(*this == rhs); } 48 49 // Is the picture profile effectively null, or not-specified? 50 inline bool operator!() const { return mId == NONE.mId; } 51 52 operator bool() const { return !!*this; } 53 54 friend ::std::string toString(const PictureProfileHandle& handle); 55 56 private: 57 PictureProfileId mId; 58 }; 59 60 } // namespace android 61