diff options
Diffstat (limited to 'services/surfaceflinger/HdrLayerInfoReporter.cpp')
-rw-r--r-- | services/surfaceflinger/HdrLayerInfoReporter.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/services/surfaceflinger/HdrLayerInfoReporter.cpp b/services/surfaceflinger/HdrLayerInfoReporter.cpp new file mode 100644 index 0000000000..c06e300cdc --- /dev/null +++ b/services/surfaceflinger/HdrLayerInfoReporter.cpp @@ -0,0 +1,64 @@ +/* + * Copyright 2021 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. + */ + +#undef LOG_TAG +#define LOG_TAG "HdrLayerInfoReporter" +#define ATRACE_TAG ATRACE_TAG_GRAPHICS + +#include <utils/Trace.h> + +#include "HdrLayerInfoReporter.h" + +namespace android { + +void HdrLayerInfoReporter::dispatchHdrLayerInfo(const HdrLayerInfo& info) { + ATRACE_CALL(); + std::vector<sp<gui::IHdrLayerInfoListener>> toInvoke; + { + std::scoped_lock lock(mMutex); + toInvoke.reserve(mListeners.size()); + for (auto& [key, it] : mListeners) { + if (it.lastInfo != info) { + it.lastInfo = info; + toInvoke.push_back(it.listener); + } + } + } + + for (const auto& listener : toInvoke) { + ATRACE_NAME("invoking onHdrLayerInfoChanged"); + listener->onHdrLayerInfoChanged(info.numberOfHdrLayers, info.maxW, info.maxH, info.flags); + } +} + +void HdrLayerInfoReporter::binderDied(const wp<IBinder>& who) { + std::scoped_lock lock(mMutex); + mListeners.erase(who); +} + +void HdrLayerInfoReporter::addListener(const sp<gui::IHdrLayerInfoListener>& listener) { + sp<IBinder> asBinder = IInterface::asBinder(listener); + asBinder->linkToDeath(this); + std::lock_guard lock(mMutex); + mListeners.emplace(wp<IBinder>(asBinder), TrackedListener{listener, HdrLayerInfo{}}); +} + +void HdrLayerInfoReporter::removeListener(const sp<gui::IHdrLayerInfoListener>& listener) { + std::lock_guard lock(mMutex); + mListeners.erase(wp<IBinder>(IInterface::asBinder(listener))); +} + +} // namespace android
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