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(base::unique_fd fence)30 void setFence(base::unique_fd fence) { mFence = std::move(fence); } 31 getBuffer()32 buffer_handle_t getBuffer() const { return mBuffer; } getFence()33 base::unique_fd getFence() const { 34 if (mFence.ok()) { 35 return base::unique_fd(dup(mFence.get())); 36 } else { 37 return base::unique_fd(); 38 } 39 } 40 41 private: 42 buffer_handle_t mBuffer; 43 android::base::unique_fd mFence; 44 }; 45 46 } // namespace android 47 48 #endif 49