61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HWC_FENCEDBUFFER_H
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#define ANDROID_HWC_FENCEDBUFFER_H
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#include <aidlcommonsupport/NativeHandle.h>
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#include <android-base/unique_fd.h>
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#include <cutils/native_handle.h>
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namespace aidl::android::hardware::graphics::composer3::impl {
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class FencedBuffer {
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public:
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FencedBuffer() : mBuffer(nullptr) {}
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void set(buffer_handle_t buffer, const ndk::ScopedFileDescriptor& fence) {
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mBuffer = buffer;
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mFence = GetUniqueFd(fence);
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}
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buffer_handle_t getBuffer() const { return mBuffer; }
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::android::base::unique_fd getFence() const {
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if (mFence.ok()) {
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return ::android::base::unique_fd(dup(mFence.get()));
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} else {
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return ::android::base::unique_fd();
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}
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}
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private:
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static ::android::base::unique_fd GetUniqueFd(
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const ndk::ScopedFileDescriptor& in) {
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auto& sfd = const_cast<ndk::ScopedFileDescriptor&>(in);
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::android::base::unique_fd ret(sfd.get());
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*sfd.getR() = -1;
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return ret;
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}
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buffer_handle_t mBuffer;
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::android::base::unique_fd mFence;
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};
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} // namespace aidl::android::hardware::graphics::composer3::impl
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#endif
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