680790982c
Add DisplayRefreshRatesChangedAtomReporter, which reports the changed refresh rates of all the active displays managed by drm_hwcomposer. Change-Id: I03a81c667c44160dc319a899a3bd9a8bc527a382
112 lines
3.6 KiB
C++
112 lines
3.6 KiB
C++
/*
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* Copyright (C) 2023 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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#pragma once
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#include "drm/ResourceManager.h"
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#include "hwc/HwcDisplay.h"
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#include "stats/CompositionStats.h"
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#include "stats/DisplayRefreshRatesChangedAtomReporter.h"
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namespace android::drm_hwcomposer {
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struct DrmDisplayPipeline;
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class DrmHwc : public PipelineToFrontendBindingInterface,
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public CompositionStatsProvider {
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public:
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DrmHwc();
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~DrmHwc() override = default;
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// Enum for Display status: Connected, Disconnected, Link Training Failed
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enum DisplayStatus {
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kDisconnected,
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kConnected,
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kLinkTrainingFailed,
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};
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// Client Callback functions.:
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virtual void SendVsyncEventToClient(DisplayHandle display_handle,
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int64_t timestamp,
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uint32_t vsync_period) const = 0;
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virtual void SendVsyncPeriodTimingChangedEventToClient(
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DisplayHandle display_handle, int64_t timestamp) const = 0;
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virtual void SendRefreshEventToClient(DisplayHandle display_handle) = 0;
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virtual void SendHotplugEventToClient(DisplayHandle display_handle,
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enum DisplayStatus display_status) = 0;
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// CompositionStatsProvider:
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auto PullCompositionStats()
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-> std::map<CompositionAttributes, CompositionStats> override;
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std::string DumpState();
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// Virtual Display functions.
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std::optional<DisplayHandle> CreateVirtualDisplay(uint32_t width,
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uint32_t height);
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bool DestroyVirtualDisplay(DisplayHandle display_handle);
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uint32_t GetMaxVirtualDisplayCount();
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auto GetDisplay(DisplayHandle display_handle) {
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return displays_.count(display_handle) != 0
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? displays_[display_handle].get()
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: nullptr;
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}
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auto &GetResMan() {
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return resource_manager_;
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}
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void ScheduleHotplugEvent(DisplayHandle display_handle,
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enum DisplayStatus display_status) {
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deferred_hotplug_events_[display_handle] = display_status;
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}
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void DeinitDisplays();
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// PipelineToFrontendBindingInterface
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bool BindDisplay(std::shared_ptr<DrmDisplayPipeline> pipeline) override;
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bool UnbindDisplay(std::shared_ptr<DrmDisplayPipeline> pipeline) override;
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void FinalizeDisplayBinding() override;
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// Notify Display Link Status
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void NotifyDisplayLinkStatus(
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std::shared_ptr<DrmDisplayPipeline> pipeline) override;
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// Should be done for all successful modesets (full and seamless).
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void LogRefreshRateChanges();
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protected:
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auto &Displays() {
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return displays_;
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}
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private:
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ResourceManager resource_manager_;
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std::map<DisplayHandle, std::unique_ptr<HwcDisplay>> displays_;
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std::map<std::shared_ptr<DrmDisplayPipeline>, DisplayHandle> display_handles_;
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std::map<DisplayHandle, enum DisplayStatus> deferred_hotplug_events_;
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std::vector<DisplayHandle> displays_for_removal_list_;
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DisplayHandle last_display_handle_ = kPrimaryDisplay;
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CompositionStatsTracker dump_stats_tracker_;
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std::unique_ptr<DisplayRefreshRatesChangedAtomReporter>
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refresh_rates_reporter_;
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};
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} // namespace android::drm_hwcomposer
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