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95 lines
2.8 KiB
95 lines
2.8 KiB
/*
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* Copyright 2020 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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#include <thread>
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#include <gtest/gtest.h>
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#include <gui/SurfaceComposerClient.h>
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#include <private/gui/ComposerService.h>
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static constexpr int kRefreshRateOverlayCode = 1034;
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static constexpr int kRefreshRateOverlayEnable = 1;
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static constexpr int kRefreshRateOverlayDisable = 0;
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static constexpr int kRefreshRateOverlayQuery = 2;
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// These values must match the ones we used for developer options in
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// com.android.settings.development.ShowRefreshRatePreferenceController
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static_assert(kRefreshRateOverlayCode == 1034);
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static_assert(kRefreshRateOverlayEnable == 1);
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static_assert(kRefreshRateOverlayDisable == 0);
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static_assert(kRefreshRateOverlayQuery == 2);
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namespace android {
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namespace {
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void sendCommandToSf(int command, Parcel& reply) {
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sp<ISurfaceComposer> sf(ComposerService::getComposerService());
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Parcel request;
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request.writeInterfaceToken(String16("android.ui.ISurfaceComposer"));
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request.writeInt32(command);
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ASSERT_EQ(NO_ERROR,
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IInterface::asBinder(sf)->transact(kRefreshRateOverlayCode, request, &reply));
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}
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bool isOverlayEnabled() {
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Parcel reply;
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sendCommandToSf(kRefreshRateOverlayQuery, reply);
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return reply.readBool();
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}
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void waitForOverlay(bool enabled) {
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static constexpr auto kTimeout = std::chrono::nanoseconds(1s);
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static constexpr auto kIterations = 10;
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for (int i = 0; i < kIterations; i++) {
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if (enabled == isOverlayEnabled()) {
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return;
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}
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std::this_thread::sleep_for(kTimeout / kIterations);
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}
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}
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void toggleOverlay(bool enabled) {
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if (enabled == isOverlayEnabled()) {
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return;
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}
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Parcel reply;
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const auto command = enabled ? kRefreshRateOverlayEnable : kRefreshRateOverlayDisable;
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sendCommandToSf(command, reply);
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waitForOverlay(enabled);
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ASSERT_EQ(enabled, isOverlayEnabled());
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}
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} // namespace
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TEST(RefreshRateOverlayTest, enableOverlay) {
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toggleOverlay(true);
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}
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TEST(RefreshRateOverlayTest, disableOverlay) {
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toggleOverlay(false);
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}
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TEST(RefreshRateOverlayTest, enableAndDisableOverlay) {
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toggleOverlay(true);
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toggleOverlay(false);
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toggleOverlay(true);
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toggleOverlay(false);
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}
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} // namespace android
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