| /* |
| * Copyright 2022 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. |
| */ |
| |
| #ifndef ANDROID_HWC_FENCEDBUFFER_H |
| #define ANDROID_HWC_FENCEDBUFFER_H |
| |
| #include <aidlcommonsupport/NativeHandle.h> |
| #include <android-base/unique_fd.h> |
| #include <cutils/native_handle.h> |
| |
| namespace aidl::android::hardware::graphics::composer3::impl { |
| |
| class FencedBuffer { |
| public: |
| FencedBuffer() : mBuffer(nullptr) {} |
| |
| void set(buffer_handle_t buffer, const ndk::ScopedFileDescriptor& fence) { |
| mBuffer = buffer; |
| mFence = GetUniqueFd(fence); |
| } |
| |
| buffer_handle_t getBuffer() const { return mBuffer; } |
| |
| ::android::base::unique_fd getFence() const { |
| if (mFence.ok()) { |
| return ::android::base::unique_fd(dup(mFence.get())); |
| } else { |
| return ::android::base::unique_fd(); |
| } |
| } |
| |
| private: |
| static ::android::base::unique_fd GetUniqueFd( |
| const ndk::ScopedFileDescriptor& in) { |
| auto& sfd = const_cast<ndk::ScopedFileDescriptor&>(in); |
| ::android::base::unique_fd ret(sfd.get()); |
| *sfd.getR() = -1; |
| return ret; |
| } |
| |
| buffer_handle_t mBuffer; |
| ::android::base::unique_fd mFence; |
| }; |
| |
| } // namespace aidl::android::hardware::graphics::composer3::impl |
| |
| #endif |