680790982c
Add DisplayRefreshRatesChangedAtomReporter, which reports the changed refresh rates of all the active displays managed by drm_hwcomposer. Change-Id: I03a81c667c44160dc319a899a3bd9a8bc527a382
83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
/*
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* Copyright (C) 2025 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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#define LOG_TAG "drmhwc"
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// #define NLOG_DEBUG 0
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#include "DisplayRefreshRatesChangedAtomReporter.h"
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#include <cinttypes>
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#include <thread>
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#include <aidl/android/frameworks/stats/IStats.h>
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#include <android/binder_manager.h>
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#include "desktopatoms.h"
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#include "utils/log.h"
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using aidl::android::frameworks::stats::IStats;
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using aidl::android::frameworks::stats::VendorAtom;
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namespace DesktopAtoms = android::vendor::google::desktop::stats::DesktopAtoms;
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namespace android::drm_hwcomposer {
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namespace {
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const std::string kStatsServiceName = std::string(IStats::descriptor)
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.append("/default");
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// Use a private implementation of DisplayRefreshRatesChangedAtomReporter to
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// avoid leaking the IStats interface through the public api.
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class DisplayRefreshRatesChangedAtomReporterDesktop
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: public DisplayRefreshRatesChangedAtomReporter {
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public:
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void UpdateRefreshRates(std::vector<int32_t> refresh_rates) override {
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if (refresh_rates == last_refresh_rates_) {
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return;
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}
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last_refresh_rates_ = refresh_rates;
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// The order of the arguments to createVendorAtom is determined by the
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// proto definition in libdesktopatoms.
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const char* deprecated_reverse_domain_name = "";
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const VendorAtom vendor_atom = DesktopAtoms::
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createVendorAtom(DesktopAtoms::DISPLAY_REFRESH_RATES_CHANGED,
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deprecated_reverse_domain_name, refresh_rates);
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auto stats_service = IStats::fromBinder(ndk::SpAIBinder(
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AServiceManager_checkService(kStatsServiceName.c_str())));
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ALOGE_IF(stats_service == nullptr, "Failed to get IStats service");
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if (stats_service) {
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const ndk::ScopedAStatus ret = stats_service->reportVendorAtom(
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vendor_atom);
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}
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}
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private:
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std::vector<int32_t> last_refresh_rates_;
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};
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} // namespace
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std::unique_ptr<DisplayRefreshRatesChangedAtomReporter>
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DisplayRefreshRatesChangedAtomReporter::Create() {
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if (!AServiceManager_isDeclared(kStatsServiceName.c_str())) {
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ALOGW("Stats service is not declared.");
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return nullptr;
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}
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return std::make_unique<DisplayRefreshRatesChangedAtomReporterDesktop>();
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}
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} // namespace android::drm_hwcomposer
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