91 lines
3.4 KiB
C++
91 lines
3.4 KiB
C++
/*
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* Copyright (C) 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 HISTOGRAM_MEDIATOR_H_
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#define HISTOGRAM_MEDIATOR_H_
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#include <aidl/android/hardware/graphics/common/Rect.h>
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#include <aidl/com/google/hardware/pixel/display/BnDisplay.h>
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#include <aidl/com/google/hardware/pixel/display/HistogramErrorCode.h>
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#include <aidl/com/google/hardware/pixel/display/HistogramPos.h>
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#include <aidl/com/google/hardware/pixel/display/Priority.h>
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#include <aidl/com/google/hardware/pixel/display/Weight.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include <condition_variable>
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#include <mutex>
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#include <vector>
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#define HWC2_INCLUDE_STRINGIFICATION
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#define HWC2_USE_CPP11
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#include <hardware/hwcomposer2.h>
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#undef HWC2_INCLUDE_STRINGIFICATION
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#undef HWC2_USE_CPP11
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#include "ExynosDevice.h"
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#include "ExynosDisplay.h"
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#include "ExynosDisplayDrmInterfaceModule.h"
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#include "ExynosDisplayInterface.h"
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#include "ExynosLayer.h"
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namespace histogram {
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using RoiRect = ::aidl::android::hardware::graphics::common::Rect;
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using Weight = ::aidl::com::google::hardware::pixel::display::Weight;
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using HistogramPos = ::aidl::com::google::hardware::pixel::display::HistogramPos;
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using Priority = ::aidl::com::google::hardware::pixel::display::Priority;
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using HistogramErrorCode = ::aidl::com::google::hardware::pixel::display::HistogramErrorCode;
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constexpr size_t HISTOGRAM_BINS_SIZE = 256;
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constexpr size_t WEIGHT_SUM = 1024;
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class HistogramMediator {
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public:
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HistogramMediator() = default;
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HistogramMediator(ExynosDisplay *display);
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~HistogramMediator() {}
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bool isDisplayPowerOff();
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bool isSecureContentPresenting();
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HistogramErrorCode requestHist();
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HistogramErrorCode cancelHistRequest();
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HistogramErrorCode collectRoiLuma(std::vector<char16_t> *buf);
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HistogramErrorCode setRoiWeightThreshold(const RoiRect roi, const Weight weight,
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const HistogramPos pos);
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RoiRect calRoi(RoiRect roi);
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struct HistogramReceiver : public IDLHistogram {
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HistogramReceiver() : mHistData(){};
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void callbackHistogram(char16_t *bin) override;
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uint16_t mHistData[HISTOGRAM_BINS_SIZE]; // luma buffer
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std::condition_variable mHistData_cv; // for pullback data sync ctrl
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bool mHistReq_pending = false;
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std::mutex mDataCollectingMutex; // for data collecting operations
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};
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uint32_t getFrameCount();
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void setSampleFrameCounter(int32_t id) { mSampledFrameCounter = id; }
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uint32_t getSampleFrameCounter() { return mSampledFrameCounter; }
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bool histRequested() { return mIDLHistogram->mHistReq_pending; }
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private:
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int calculateThreshold(const RoiRect &roi);
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std::shared_ptr<HistogramReceiver> mIDLHistogram;
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ExynosDisplay *mDisplay = nullptr;
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uint32_t mSampledFrameCounter = 0;
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};
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} // namespace histogram
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#endif // HISTOGRAM_MEDIATOR_H_
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