99 lines
3.7 KiB
C++
99 lines
3.7 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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#include <gtest/gtest.h>
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#include <gui/DisplayEventReceiver.h>
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#include <gui/ISurfaceComposer.h>
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#include <gui/SurfaceComposerClient.h>
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#include <sys/epoll.h>
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#include <algorithm>
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namespace android {
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namespace {
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using FrameRateOverride = DisplayEventReceiver::Event::FrameRateOverride;
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class SetFrameRateOverrideTest : public ::testing::Test {
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protected:
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void SetUp() override {
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const ISurfaceComposer::VsyncSource vsyncSource = ISurfaceComposer::eVsyncSourceApp;
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const ISurfaceComposer::EventRegistrationFlags eventRegistration = {
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ISurfaceComposer::EventRegistration::frameRateOverride};
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mDisplayEventReceiver =
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std::make_unique<DisplayEventReceiver>(vsyncSource, eventRegistration);
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EXPECT_EQ(NO_ERROR, mDisplayEventReceiver->initCheck());
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mEpollFd = epoll_create1(EPOLL_CLOEXEC);
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EXPECT_GT(mEpollFd, 1);
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epoll_event event;
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event.events = EPOLLIN;
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EXPECT_EQ(0, epoll_ctl(mEpollFd, EPOLL_CTL_ADD, mDisplayEventReceiver->getFd(), &event));
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}
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void TearDown() override { close(mEpollFd); }
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void setFrameRateAndListenEvents(uid_t uid, float frameRate) {
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status_t ret = SurfaceComposerClient::setOverrideFrameRate(uid, frameRate);
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ASSERT_EQ(NO_ERROR, ret);
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DisplayEventReceiver::Event event;
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bool isOverrideFlushReceived = false;
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mFrameRateOverrides.clear();
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epoll_event epollEvent;
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while (epoll_wait(mEpollFd, &epollEvent, 1, 1000) > 0) {
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while (mDisplayEventReceiver->getEvents(&event, 1) > 0) {
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if (event.header.type == DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE) {
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mFrameRateOverrides.emplace_back(event.frameRateOverride);
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}
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if (event.header.type ==
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DisplayEventReceiver::DISPLAY_EVENT_FRAME_RATE_OVERRIDE_FLUSH) {
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isOverrideFlushReceived = true;
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}
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}
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if (isOverrideFlushReceived) break;
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}
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}
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std::unique_ptr<DisplayEventReceiver> mDisplayEventReceiver;
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std::vector<FrameRateOverride> mFrameRateOverrides;
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int mEpollFd;
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};
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TEST_F(SetFrameRateOverrideTest, SetFrameRateOverrideCall) {
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uid_t uid = getuid();
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float frameRate = 30.0f;
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setFrameRateAndListenEvents(uid, frameRate);
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// check if the frame rate override we set exists
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ASSERT_TRUE(std::find_if(mFrameRateOverrides.begin(), mFrameRateOverrides.end(),
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[uid = uid, frameRate = frameRate](auto i) {
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return uid == i.uid && frameRate == i.frameRateHz;
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}) != mFrameRateOverrides.end());
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// test removing frame rate override
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frameRate = 0.0f;
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setFrameRateAndListenEvents(uid, frameRate);
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ASSERT_TRUE(std::find_if(mFrameRateOverrides.begin(), mFrameRateOverrides.end(),
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[uid = uid, frameRate = frameRate](auto i) {
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return uid == i.uid && frameRate == i.frameRateHz;
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}) == mFrameRateOverrides.end());
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}
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} // namespace
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} // namespace android
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