1 /* 2 * Copyright 2021 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 #ifndef ANDROID_HWC_FENCEDBUFFER_H 18 #define ANDROID_HWC_FENCEDBUFFER_H 19 20 #include <android-base/unique_fd.h> 21 #include <cutils/native_handle.h> 22 23 namespace android { 24 25 class FencedBuffer { 26 public: FencedBuffer()27 FencedBuffer() : mBuffer(nullptr) {} 28 setBuffer(buffer_handle_t buffer)29 void setBuffer(buffer_handle_t buffer) { mBuffer = buffer; } setFence(int fenceFd)30 void setFence(int fenceFd) { 31 mFence = std::make_shared<base::unique_fd>(fenceFd); 32 } 33 getBuffer()34 buffer_handle_t getBuffer() const { return mBuffer; } getFence()35 int getFence() const { return mFence ? dup(mFence->get()) : -1; } 36 37 private: 38 buffer_handle_t mBuffer; 39 std::shared_ptr<android::base::unique_fd> mFence; 40 }; 41 42 } // namespace android 43 44 #endif