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android13/frameworks/native/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp

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/*
* Copyright 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#undef LOG_TAG
#define LOG_TAG "LibSurfaceFlingerUnittests"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <gui/LayerMetadata.h>
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wconversion"
#include "BufferStateLayer.h"
#include "EffectLayer.h"
#include "Layer.h"
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic pop // ignored "-Wconversion"
#include "FpsOps.h"
#include "LayerTestUtils.h"
#include "TestableSurfaceFlinger.h"
#include "mock/DisplayHardware/MockComposer.h"
#include "mock/MockVsyncController.h"
namespace android {
using testing::DoAll;
using testing::Mock;
using testing::SetArgPointee;
using android::Hwc2::IComposer;
using android::Hwc2::IComposerClient;
using scheduler::LayerHistory;
using FrameRate = Layer::FrameRate;
using FrameRateCompatibility = Layer::FrameRateCompatibility;
/**
* This class tests the behaviour of Layer::SetFrameRate and Layer::GetFrameRate
*/
class SetFrameRateTest : public BaseLayerTest {
protected:
const FrameRate FRAME_RATE_VOTE1 = FrameRate(67_Hz, FrameRateCompatibility::Default);
const FrameRate FRAME_RATE_VOTE2 = FrameRate(14_Hz, FrameRateCompatibility::ExactOrMultiple);
const FrameRate FRAME_RATE_VOTE3 = FrameRate(99_Hz, FrameRateCompatibility::NoVote);
const FrameRate FRAME_RATE_TREE = FrameRate(Fps(), FrameRateCompatibility::NoVote);
const FrameRate FRAME_RATE_NO_VOTE = FrameRate(Fps(), FrameRateCompatibility::Default);
SetFrameRateTest();
void addChild(sp<Layer> layer, sp<Layer> child);
void removeChild(sp<Layer> layer, sp<Layer> child);
void commitTransaction();
std::vector<sp<Layer>> mLayers;
};
SetFrameRateTest::SetFrameRateTest() {
const ::testing::TestInfo* const test_info =
::testing::UnitTest::GetInstance()->current_test_info();
ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
mFlinger.setupComposer(std::make_unique<Hwc2::mock::Composer>());
}
void SetFrameRateTest::addChild(sp<Layer> layer, sp<Layer> child) {
layer.get()->addChild(child.get());
}
void SetFrameRateTest::removeChild(sp<Layer> layer, sp<Layer> child) {
layer.get()->removeChild(child.get());
}
void SetFrameRateTest::commitTransaction() {
for (auto layer : mLayers) {
auto c = layer->getDrawingState();
layer->commitTransaction(c);
}
}
namespace {
TEST_P(SetFrameRateTest, SetAndGet) {
EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
const auto& layerFactory = GetParam();
auto layer = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
layer->setFrameRate(FRAME_RATE_VOTE1);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE1, layer->getFrameRateForLayerTree());
}
TEST_P(SetFrameRateTest, SetAndGetParent) {
EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
const auto& layerFactory = GetParam();
auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child1);
addChild(child1, child2);
child2->setFrameRate(FRAME_RATE_VOTE1);
commitTransaction();
EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
child2->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
}
TEST_P(SetFrameRateTest, SetAndGetParentAllVote) {
EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
const auto& layerFactory = GetParam();
auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child1);
addChild(child1, child2);
child2->setFrameRate(FRAME_RATE_VOTE1);
child1->setFrameRate(FRAME_RATE_VOTE2);
parent->setFrameRate(FRAME_RATE_VOTE3);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE3, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE2, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
child2->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE3, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE2, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE2, child2->getFrameRateForLayerTree());
child1->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE3, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE3, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE3, child2->getFrameRateForLayerTree());
parent->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
}
TEST_P(SetFrameRateTest, SetAndGetChild) {
EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
const auto& layerFactory = GetParam();
auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child1);
addChild(child1, child2);
parent->setFrameRate(FRAME_RATE_VOTE1);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE1, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
parent->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
}
TEST_P(SetFrameRateTest, SetAndGetChildAllVote) {
EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
const auto& layerFactory = GetParam();
auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child1);
addChild(child1, child2);
child2->setFrameRate(FRAME_RATE_VOTE1);
child1->setFrameRate(FRAME_RATE_VOTE2);
parent->setFrameRate(FRAME_RATE_VOTE3);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE3, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE2, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
parent->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE2, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
child1->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
child2->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
}
TEST_P(SetFrameRateTest, SetAndGetChildAddAfterVote) {
EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
const auto& layerFactory = GetParam();
auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child1);
parent->setFrameRate(FRAME_RATE_VOTE1);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE1, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
addChild(child1, child2);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE1, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
parent->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
}
TEST_P(SetFrameRateTest, SetAndGetChildRemoveAfterVote) {
EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
const auto& layerFactory = GetParam();
auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child1);
addChild(child1, child2);
parent->setFrameRate(FRAME_RATE_VOTE1);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE1, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
removeChild(child1, child2);
commitTransaction();
EXPECT_EQ(FRAME_RATE_VOTE1, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
parent->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
}
TEST_P(SetFrameRateTest, SetAndGetParentNotInTree) {
EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
const auto& layerFactory = GetParam();
auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
auto child2_1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child1);
addChild(child1, child2);
addChild(child1, child2_1);
child2->setFrameRate(FRAME_RATE_VOTE1);
commitTransaction();
EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2_1->getFrameRateForLayerTree());
child2->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2_1->getFrameRateForLayerTree());
}
INSTANTIATE_TEST_SUITE_P(PerLayerType, SetFrameRateTest,
testing::Values(std::make_shared<BufferStateLayerFactory>(),
std::make_shared<EffectLayerFactory>()),
PrintToStringParamName);
TEST_F(SetFrameRateTest, ValidateFrameRate) {
EXPECT_TRUE(ValidateFrameRate(60.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
EXPECT_TRUE(ValidateFrameRate(60.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
EXPECT_TRUE(ValidateFrameRate(60.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ALWAYS, ""));
EXPECT_TRUE(ValidateFrameRate(60.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_FIXED_SOURCE,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
// Privileged APIs.
EXPECT_FALSE(ValidateFrameRate(60.0f, ANATIVEWINDOW_FRAME_RATE_EXACT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
EXPECT_FALSE(ValidateFrameRate(0.0f, ANATIVEWINDOW_FRAME_RATE_NO_VOTE,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
constexpr bool kPrivileged = true;
EXPECT_TRUE(ValidateFrameRate(60.0f, ANATIVEWINDOW_FRAME_RATE_EXACT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, "",
kPrivileged));
EXPECT_TRUE(ValidateFrameRate(0.0f, ANATIVEWINDOW_FRAME_RATE_NO_VOTE,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, "",
kPrivileged));
// Invalid frame rate.
EXPECT_FALSE(ValidateFrameRate(-1, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
EXPECT_FALSE(ValidateFrameRate(1.0f / 0.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
EXPECT_FALSE(ValidateFrameRate(0.0f / 0.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
// Invalid compatibility.
EXPECT_FALSE(
ValidateFrameRate(60.0f, -1, ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
EXPECT_FALSE(ValidateFrameRate(60.0f, 2, ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS, ""));
// Invalid change frame rate strategy.
EXPECT_FALSE(ValidateFrameRate(60.0f, ANATIVEWINDOW_FRAME_RATE_EXACT, -1, ""));
EXPECT_FALSE(ValidateFrameRate(60.0f, ANATIVEWINDOW_FRAME_RATE_EXACT, 2, ""));
}
TEST_P(SetFrameRateTest, SetOnParentActivatesTree) {
const auto& layerFactory = GetParam();
auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
if (!parent->isVisible()) {
// This is a hack as all the test layers except EffectLayer are not visible,
// but since the logic is unified in Layer, it should be fine.
return;
}
auto child = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child);
parent->setFrameRate(FRAME_RATE_VOTE1);
commitTransaction();
auto& history = mFlinger.mutableScheduler().mutableLayerHistory();
history.record(parent.get(), 0, 0, LayerHistory::LayerUpdateType::Buffer);
history.record(child.get(), 0, 0, LayerHistory::LayerUpdateType::Buffer);
const auto configs = mFlinger.mutableScheduler().refreshRateConfigs();
const auto summary = history.summarize(*configs, 0);
ASSERT_EQ(2u, summary.size());
EXPECT_EQ(FRAME_RATE_VOTE1.rate, summary[0].desiredRefreshRate);
EXPECT_EQ(FRAME_RATE_VOTE1.rate, summary[1].desiredRefreshRate);
}
TEST_P(SetFrameRateTest, addChildForParentWithTreeVote) {
EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
const auto& layerFactory = GetParam();
const auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
const auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
const auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
const auto childOfChild1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
addChild(parent, child1);
addChild(child1, childOfChild1);
childOfChild1->setFrameRate(FRAME_RATE_VOTE1);
commitTransaction();
EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, childOfChild1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
addChild(parent, child2);
commitTransaction();
EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_VOTE1, childOfChild1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
childOfChild1->setFrameRate(FRAME_RATE_NO_VOTE);
commitTransaction();
EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, childOfChild1->getFrameRateForLayerTree());
EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
}
} // namespace
} // namespace android
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