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/*
* Copyright (C) 2018 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.
*/
#pragma once
#include <algorithm>
#include <chrono>
#include <variant>
#include <ftl/fake_guard.h>
#include <ftl/match.h>
#include <gui/ScreenCaptureResults.h>
#include <ui/DynamicDisplayInfo.h>
#include <compositionengine/Display.h>
#include <compositionengine/LayerFECompositionState.h>
#include <compositionengine/OutputLayer.h>
#include <compositionengine/impl/CompositionEngine.h>
#include <compositionengine/impl/Display.h>
#include <compositionengine/impl/OutputLayerCompositionState.h>
#include <compositionengine/mock/DisplaySurface.h>
#include "DisplayDevice.h"
#include "FakeVsyncConfiguration.h"
#include "FrameTracer/FrameTracer.h"
#include "FrontEnd/LayerCreationArgs.h"
#include "FrontEnd/LayerHandle.h"
#include "Layer.h"
#include "NativeWindowSurface.h"
#include "RenderArea.h"
#include "Scheduler/MessageQueue.h"
#include "Scheduler/RefreshRateSelector.h"
#include "StartPropertySetThread.h"
#include "SurfaceFlinger.h"
#include "TestableScheduler.h"
#include "mock/DisplayHardware/MockComposer.h"
#include "mock/DisplayHardware/MockDisplayMode.h"
#include "mock/DisplayHardware/MockPowerAdvisor.h"
#include "mock/MockEventThread.h"
#include "mock/MockFrameTimeline.h"
#include "mock/MockFrameTracer.h"
#include "mock/MockSchedulerCallback.h"
#include "mock/MockVsyncTrackerCallback.h"
#include "mock/system/window/MockNativeWindow.h"
#include "Scheduler/VSyncTracker.h"
#include "Scheduler/VsyncController.h"
#include "mock/MockVSyncDispatch.h"
#include "mock/MockVSyncTracker.h"
#include "mock/MockVsyncController.h"
namespace android {
struct DisplayStatInfo;
namespace renderengine {
class RenderEngine;
} // namespace renderengine
namespace Hwc2 {
class Composer;
} // namespace Hwc2
namespace hal = android::hardware::graphics::composer::hal;
namespace surfaceflinger::test {
class Factory final : public surfaceflinger::Factory {
public:
~Factory() = default;
std::unique_ptr<HWComposer> createHWComposer(const std::string&) override {
return nullptr;
}
std::unique_ptr<scheduler::VsyncConfiguration> createVsyncConfiguration(
Fps /*currentRefreshRate*/) override {
return std::make_unique<scheduler::FakePhaseOffsets>();
}
sp<StartPropertySetThread> createStartPropertySetThread(bool timestampPropertyValue) override {
return sp<StartPropertySetThread>::make(timestampPropertyValue);
}
sp<DisplayDevice> createDisplayDevice(DisplayDeviceCreationArgs& creationArgs) override {
return sp<DisplayDevice>::make(creationArgs);
}
sp<GraphicBuffer> createGraphicBuffer(uint32_t width, uint32_t height, PixelFormat format,
uint32_t layerCount, uint64_t usage,
std::string requestorName) override {
return sp<GraphicBuffer>::make(width, height, format, layerCount, usage, requestorName);
}
void createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
sp<IGraphicBufferConsumer>* outConsumer,
bool consumerIsSurfaceFlinger) override {
if (!mCreateBufferQueue) {
BufferQueue::createBufferQueue(outProducer, outConsumer, consumerIsSurfaceFlinger);
return;
}
mCreateBufferQueue(outProducer, outConsumer, consumerIsSurfaceFlinger);
}
std::unique_ptr<surfaceflinger::NativeWindowSurface> createNativeWindowSurface(
const sp<IGraphicBufferProducer>& producer) override {
if (!mCreateNativeWindowSurface) return nullptr;
return mCreateNativeWindowSurface(producer);
}
std::unique_ptr<compositionengine::CompositionEngine> createCompositionEngine() override {
return compositionengine::impl::createCompositionEngine();
}
sp<Layer> createBufferStateLayer(const LayerCreationArgs&) override { return nullptr; }
sp<Layer> createEffectLayer(const LayerCreationArgs&) override { return nullptr; }
sp<LayerFE> createLayerFE(const std::string& layerName) override {
return sp<LayerFE>::make(layerName);
}
std::unique_ptr<FrameTracer> createFrameTracer() override {
return std::make_unique<mock::FrameTracer>();
}
std::unique_ptr<frametimeline::FrameTimeline> createFrameTimeline(
std::shared_ptr<TimeStats> timeStats, pid_t surfaceFlingerPid = 0) override {
return std::make_unique<mock::FrameTimeline>(timeStats, surfaceFlingerPid);
}
using CreateBufferQueueFunction =
std::function<void(sp<IGraphicBufferProducer>* /* outProducer */,
sp<IGraphicBufferConsumer>* /* outConsumer */,
bool /* consumerIsSurfaceFlinger */)>;
CreateBufferQueueFunction mCreateBufferQueue;
using CreateNativeWindowSurfaceFunction =
std::function<std::unique_ptr<surfaceflinger::NativeWindowSurface>(
const sp<IGraphicBufferProducer>&)>;
CreateNativeWindowSurfaceFunction mCreateNativeWindowSurface;
using CreateCompositionEngineFunction =
std::function<std::unique_ptr<compositionengine::CompositionEngine>()>;
CreateCompositionEngineFunction mCreateCompositionEngine;
};
struct MockSchedulerOptions {
PhysicalDisplayId displayId = PhysicalDisplayId::fromPort(0);
bool useNiceMock = false;
};
} // namespace surfaceflinger::test
class TestableSurfaceFlinger {
public:
using HotplugEvent = SurfaceFlinger::HotplugEvent;
TestableSurfaceFlinger(sp<SurfaceFlinger> flinger = nullptr) : mFlinger(flinger) {
if (!mFlinger) {
mFlinger = sp<SurfaceFlinger>::make(mFactory, SurfaceFlinger::SkipInitialization);
}
}
SurfaceFlinger* flinger() { return mFlinger.get(); }
scheduler::TestableScheduler* scheduler() { return mScheduler; }
// Extend this as needed for accessing SurfaceFlinger private (and public)
// functions.
void setupRenderEngine(std::unique_ptr<renderengine::RenderEngine> renderEngine) {
mFlinger->mRenderEngine = std::move(renderEngine);
mFlinger->mCompositionEngine->setRenderEngine(mFlinger->mRenderEngine.get());
}
void setupComposer(std::unique_ptr<Hwc2::Composer> composer) {
mFlinger->mCompositionEngine->setHwComposer(
std::make_unique<impl::HWComposer>(std::move(composer)));
}
void setupPowerAdvisor(std::unique_ptr<Hwc2::PowerAdvisor> powerAdvisor) {
mFlinger->mPowerAdvisor = std::move(powerAdvisor);
}
void setupTimeStats(const std::shared_ptr<TimeStats>& timeStats) {
mFlinger->mCompositionEngine->setTimeStats(timeStats);
}
enum class SchedulerCallbackImpl { kNoOp, kMock };
enum class VsyncTrackerCallbackImpl { kNoOp, kMock };
struct DefaultDisplayMode {
// The ID of the injected RefreshRateSelector and its default display mode.
PhysicalDisplayId displayId;
};
using RefreshRateSelectorPtr = scheduler::Scheduler::RefreshRateSelectorPtr;
using DisplayModesVariant = std::variant<DefaultDisplayMode, RefreshRateSelectorPtr>;
void setupScheduler(
std::unique_ptr<scheduler::VsyncController> vsyncController,
std::shared_ptr<scheduler::VSyncTracker> vsyncTracker,
std::unique_ptr<EventThread> appEventThread, std::unique_ptr<EventThread> sfEventThread,
DisplayModesVariant modesVariant,
SchedulerCallbackImpl callbackImpl = SchedulerCallbackImpl::kNoOp,
VsyncTrackerCallbackImpl vsyncTrackerCallbackImpl = VsyncTrackerCallbackImpl::kNoOp,
bool useNiceMock = false) {
RefreshRateSelectorPtr selectorPtr = ftl::match(
modesVariant,
[](DefaultDisplayMode arg) {
constexpr DisplayModeId kModeId60{0};
return std::make_shared<scheduler::RefreshRateSelector>(
makeModes(mock::createDisplayMode(arg.displayId, kModeId60, 60_Hz)),
kModeId60);
},
[](RefreshRateSelectorPtr selectorPtr) { return selectorPtr; });
const auto fps = selectorPtr->getActiveMode().fps;
mFlinger->mVsyncConfiguration = mFactory.createVsyncConfiguration(fps);
mFlinger->mRefreshRateStats =
std::make_unique<scheduler::RefreshRateStats>(*mFlinger->mTimeStats, fps,
hal::PowerMode::OFF);
mTokenManager = std::make_unique<frametimeline::impl::TokenManager>();
using ISchedulerCallback = scheduler::ISchedulerCallback;
ISchedulerCallback& schedulerCallback = callbackImpl == SchedulerCallbackImpl::kNoOp
? static_cast<ISchedulerCallback&>(mNoOpSchedulerCallback)
: static_cast<ISchedulerCallback&>(mSchedulerCallback);
using VsyncTrackerCallback = scheduler::IVsyncTrackerCallback;
VsyncTrackerCallback& vsyncTrackerCallback =
vsyncTrackerCallbackImpl == VsyncTrackerCallbackImpl::kNoOp
? static_cast<VsyncTrackerCallback&>(mNoOpVsyncTrackerCallback)
: static_cast<VsyncTrackerCallback&>(mVsyncTrackerCallback);
auto modulatorPtr = sp<scheduler::VsyncModulator>::make(
mFlinger->mVsyncConfiguration->getCurrentConfigs());
if (useNiceMock) {
mScheduler =
new testing::NiceMock<scheduler::TestableScheduler>(std::move(vsyncController),
std::move(vsyncTracker),
std::move(selectorPtr),
std::move(modulatorPtr),
schedulerCallback,
vsyncTrackerCallback);
} else {
mScheduler = new scheduler::TestableScheduler(std::move(vsyncController),
std::move(vsyncTracker),
std::move(selectorPtr),
std::move(modulatorPtr),
schedulerCallback, vsyncTrackerCallback);
}
mScheduler->initVsync(mScheduler->getVsyncSchedule()->getDispatch(), *mTokenManager, 0ms);
mScheduler->mutableAppConnectionHandle() =
mScheduler->createConnection(std::move(appEventThread));
mFlinger->mAppConnectionHandle = mScheduler->mutableAppConnectionHandle();
mFlinger->mSfConnectionHandle = mScheduler->createConnection(std::move(sfEventThread));
resetScheduler(mScheduler);
}
void setupMockScheduler(surfaceflinger::test::MockSchedulerOptions options = {}) {
using testing::_;
using testing::Return;
auto eventThread = makeMock<mock::EventThread>(options.useNiceMock);
auto sfEventThread = makeMock<mock::EventThread>(options.useNiceMock);
EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
EXPECT_CALL(*eventThread, createEventConnection(_, _))
.WillOnce(Return(sp<EventThreadConnection>::make(eventThread.get(),
mock::EventThread::kCallingUid)));
EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
.WillOnce(Return(sp<EventThreadConnection>::make(sfEventThread.get(),
mock::EventThread::kCallingUid)));
auto vsyncController = makeMock<mock::VsyncController>(options.useNiceMock);
auto vsyncTracker = makeSharedMock<mock::VSyncTracker>(options.useNiceMock);
EXPECT_CALL(*vsyncTracker, nextAnticipatedVSyncTimeFrom(_)).WillRepeatedly(Return(0));
EXPECT_CALL(*vsyncTracker, currentPeriod())
.WillRepeatedly(Return(FakeHwcDisplayInjector::DEFAULT_VSYNC_PERIOD));
EXPECT_CALL(*vsyncTracker, minFramePeriod())
.WillRepeatedly(
Return(Period::fromNs(FakeHwcDisplayInjector::DEFAULT_VSYNC_PERIOD)));
EXPECT_CALL(*vsyncTracker, nextAnticipatedVSyncTimeFrom(_)).WillRepeatedly(Return(0));
setupScheduler(std::move(vsyncController), std::move(vsyncTracker), std::move(eventThread),
std::move(sfEventThread), DefaultDisplayMode{options.displayId},
SchedulerCallbackImpl::kNoOp, VsyncTrackerCallbackImpl::kNoOp,
options.useNiceMock);
}
void resetScheduler(scheduler::Scheduler* scheduler) { mFlinger->mScheduler.reset(scheduler); }
scheduler::TestableScheduler& mutableScheduler() { return *mScheduler; }
scheduler::mock::SchedulerCallback& mockSchedulerCallback() { return mSchedulerCallback; }
using CreateBufferQueueFunction = surfaceflinger::test::Factory::CreateBufferQueueFunction;
void setCreateBufferQueueFunction(CreateBufferQueueFunction f) {
mFactory.mCreateBufferQueue = f;
}
using CreateNativeWindowSurfaceFunction =
surfaceflinger::test::Factory::CreateNativeWindowSurfaceFunction;
void setCreateNativeWindowSurface(CreateNativeWindowSurfaceFunction f) {
mFactory.mCreateNativeWindowSurface = f;
}
void setInternalDisplayPrimaries(const ui::DisplayPrimaries& primaries) {
memcpy(&mFlinger->mInternalDisplayPrimaries, &primaries, sizeof(ui::DisplayPrimaries));
}
static auto& mutableLayerDrawingState(const sp<Layer>& layer) { return layer->mDrawingState; }
auto& mutableStateLock() { return mFlinger->mStateLock; }
static auto findOutputLayerForDisplay(const sp<Layer>& layer,
const sp<const DisplayDevice>& display) {
return layer->findOutputLayerForDisplay(display.get());
}
static void setLayerSidebandStream(const sp<Layer>& layer,
const sp<NativeHandle>& sidebandStream) {
layer->mDrawingState.sidebandStream = sidebandStream;
layer->mSidebandStream = sidebandStream;
layer->editLayerSnapshot()->sidebandStream = sidebandStream;
}
void setLayerCompositionType(const sp<Layer>& layer,
aidl::android::hardware::graphics::composer3::Composition type) {
auto outputLayer = findOutputLayerForDisplay(layer, mFlinger->getDefaultDisplayDevice());
LOG_ALWAYS_FATAL_IF(!outputLayer);
auto& state = outputLayer->editState();
LOG_ALWAYS_FATAL_IF(!outputLayer->getState().hwc);
(*state.hwc).hwcCompositionType = type;
}
static void setLayerPotentialCursor(const sp<Layer>& layer, bool potentialCursor) {
layer->mPotentialCursor = potentialCursor;
}
static void setLayerDrawingParent(const sp<Layer>& layer, const sp<Layer>& drawingParent) {
layer->mDrawingParent = drawingParent;
}
/* ------------------------------------------------------------------------
* Forwarding for functions being tested
*/
void configure() {
ftl::FakeGuard guard(kMainThreadContext);
mFlinger->configure();
}
void configureAndCommit() {
configure();
commitTransactionsLocked(eDisplayTransactionNeeded);
}
void commit(TimePoint frameTime, VsyncId vsyncId, TimePoint expectedVsyncTime,
bool composite = false) {
ftl::FakeGuard guard(kMainThreadContext);
const auto displayIdOpt = mScheduler->pacesetterDisplayId();
LOG_ALWAYS_FATAL_IF(!displayIdOpt);
const auto displayId = *displayIdOpt;
constexpr bool kBackpressureGpuComposition = true;
scheduler::FrameTargeter frameTargeter(displayId, kBackpressureGpuComposition);
frameTargeter.beginFrame({.frameBeginTime = frameTime,
.vsyncId = vsyncId,
.expectedVsyncTime = expectedVsyncTime,
.sfWorkDuration = 10ms},
*mScheduler->getVsyncSchedule());
scheduler::FrameTargets targets;
scheduler::FrameTargeters targeters;
for (const auto& [id, display] :
FTL_FAKE_GUARD(mFlinger->mStateLock, mFlinger->mPhysicalDisplays)) {
targets.try_emplace(id, &frameTargeter.target());
targeters.try_emplace(id, &frameTargeter);
}
mFlinger->commit(displayId, targets);
if (composite) {
mFlinger->composite(displayId, targeters);
}
}
void commit(TimePoint frameTime, VsyncId vsyncId, bool composite = false) {
return commit(frameTime, vsyncId, frameTime + Period(10ms), composite);
}
void commit(bool composite = false) {
const TimePoint frameTime = scheduler::SchedulerClock::now();
commit(frameTime, kVsyncId, composite);
}
void commitAndComposite(TimePoint frameTime, VsyncId vsyncId, TimePoint expectedVsyncTime) {
constexpr bool kComposite = true;
commit(frameTime, vsyncId, expectedVsyncTime, kComposite);
}
void commitAndComposite() {
constexpr bool kComposite = true;
commit(kComposite);
}
auto createDisplay(const String8& displayName, bool secure, float requestedRefreshRate = 0.0f) {
return mFlinger->createDisplay(displayName, secure, requestedRefreshRate);
}
auto destroyDisplay(const sp<IBinder>& displayToken) {
return mFlinger->destroyDisplay(displayToken);
}
auto getDisplay(const sp<IBinder>& displayToken) {
Mutex::Autolock lock(mFlinger->mStateLock);
return mFlinger->getDisplayDeviceLocked(displayToken);
}
void enableHalVirtualDisplays(bool enable) { mFlinger->enableHalVirtualDisplays(enable); }
auto setupNewDisplayDeviceInternal(
const wp<IBinder>& displayToken,
std::shared_ptr<compositionengine::Display> compositionDisplay,
const DisplayDeviceState& state,
const sp<compositionengine::DisplaySurface>& dispSurface,
const sp<IGraphicBufferProducer>& producer) NO_THREAD_SAFETY_ANALYSIS {
return mFlinger->setupNewDisplayDeviceInternal(displayToken, compositionDisplay, state,
dispSurface, producer);
}
void commitTransactionsLocked(uint32_t transactionFlags) {
Mutex::Autolock lock(mFlinger->mStateLock);
ftl::FakeGuard guard(kMainThreadContext);
mFlinger->commitTransactionsLocked(transactionFlags);
}
void onComposerHalHotplugEvent(hal::HWDisplayId hwcDisplayId, DisplayHotplugEvent event) {
mFlinger->onComposerHalHotplugEvent(hwcDisplayId, event);
}
auto setDisplayStateLocked(const DisplayState& s) {
Mutex::Autolock lock(mFlinger->mStateLock);
return mFlinger->setDisplayStateLocked(s);
}
void initializeDisplays() FTL_FAKE_GUARD(kMainThreadContext) { mFlinger->initializeDisplays(); }
auto notifyPowerBoost(int32_t boostId) { return mFlinger->notifyPowerBoost(boostId); }
auto setDisplayBrightness(const sp<IBinder>& display,
const gui::DisplayBrightness& brightness) {
return mFlinger->setDisplayBrightness(display, brightness);
}
// Allow reading display state without locking, as if called on the SF main thread.
auto setPowerModeInternal(const sp<DisplayDevice>& display,
hal::PowerMode mode) NO_THREAD_SAFETY_ANALYSIS {
return mFlinger->setPowerModeInternal(display, mode);
}
auto renderScreenImpl(std::shared_ptr<const RenderArea> renderArea,
SurfaceFlinger::GetLayerSnapshotsFunction traverseLayers,
const std::shared_ptr<renderengine::ExternalTexture>& buffer,
bool regionSampling) {
ScreenCaptureResults captureResults;
return FTL_FAKE_GUARD(kMainThreadContext,
mFlinger->renderScreenImpl(std::move(renderArea), traverseLayers,
buffer, regionSampling,
false /* grayscale */,
false /* isProtected */, captureResults));
}
auto traverseLayersInLayerStack(ui::LayerStack layerStack, int32_t uid,
std::unordered_set<uint32_t> excludeLayerIds,
const LayerVector::Visitor& visitor) {
return mFlinger->SurfaceFlinger::traverseLayersInLayerStack(layerStack, uid,
excludeLayerIds, visitor);
}
auto getDisplayNativePrimaries(const sp<IBinder>& displayToken,
ui::DisplayPrimaries &primaries) {
return mFlinger->SurfaceFlinger::getDisplayNativePrimaries(displayToken, primaries);
}
auto& getTransactionQueue() { return mFlinger->mTransactionHandler.mLocklessTransactionQueue; }
auto& getPendingTransactionQueue() {
return mFlinger->mTransactionHandler.mPendingTransactionQueues;
}
size_t getPendingTransactionCount() {
return mFlinger->mTransactionHandler.mPendingTransactionCount.load();
}
auto setTransactionState(
const FrameTimelineInfo& frameTimelineInfo, Vector<ComposerState>& states,
const Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
const InputWindowCommands& inputWindowCommands, int64_t desiredPresentTime,
bool isAutoTimestamp, const std::vector<client_cache_t>& uncacheBuffers,
bool hasListenerCallbacks, std::vector<ListenerCallbacks>& listenerCallbacks,
uint64_t transactionId, const std::vector<uint64_t>& mergedTransactionIds) {
return mFlinger->setTransactionState(frameTimelineInfo, states, displays, flags, applyToken,
inputWindowCommands, desiredPresentTime,
isAutoTimestamp, uncacheBuffers, hasListenerCallbacks,
listenerCallbacks, transactionId,
mergedTransactionIds);
}
auto setTransactionStateInternal(TransactionState& transaction) {
return mFlinger->mTransactionHandler.queueTransaction(std::move(transaction));
}
auto flushTransactionQueues() {
return FTL_FAKE_GUARD(kMainThreadContext, mFlinger->flushTransactionQueues(kVsyncId));
}
auto onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {
return mFlinger->onTransact(code, data, reply, flags);
}
auto getGpuContextPriority() { return mFlinger->getGpuContextPriority(); }
auto calculateMaxAcquiredBufferCount(Fps refreshRate,
std::chrono::nanoseconds presentLatency) const {
return SurfaceFlinger::calculateMaxAcquiredBufferCount(refreshRate, presentLatency);
}
auto setDesiredDisplayModeSpecs(const sp<IBinder>& displayToken,
const gui::DisplayModeSpecs& specs) {
return mFlinger->setDesiredDisplayModeSpecs(displayToken, specs);
}
void onActiveDisplayChanged(const DisplayDevice* inactiveDisplayPtr,
const DisplayDevice& activeDisplay) {
Mutex::Autolock lock(mFlinger->mStateLock);
ftl::FakeGuard guard(kMainThreadContext);
mFlinger->onActiveDisplayChangedLocked(inactiveDisplayPtr, activeDisplay);
}
auto createLayer(LayerCreationArgs& args, const sp<IBinder>& parentHandle,
gui::CreateSurfaceResult& outResult) {
args.parentHandle = parentHandle;
return mFlinger->createLayer(args, outResult);
}
auto mirrorLayer(const LayerCreationArgs& args, const sp<IBinder>& mirrorFromHandle,
gui::CreateSurfaceResult& outResult) {
return mFlinger->mirrorLayer(args, mirrorFromHandle, outResult);
}
void updateLayerMetadataSnapshot() { mFlinger->updateLayerMetadataSnapshot(); }
void getDynamicDisplayInfoFromToken(const sp<IBinder>& displayToken,
ui::DynamicDisplayInfo* dynamicDisplayInfo) {
mFlinger->getDynamicDisplayInfoFromToken(displayToken, dynamicDisplayInfo);
}
sp<DisplayDevice> createVirtualDisplayDevice(const sp<IBinder> displayToken,
VirtualDisplayId displayId,
float requestedRefreshRate) {
constexpr ui::Size kResolution = {1080, 1920};
auto compositionDisplay = compositionengine::impl::
createDisplay(mFlinger->getCompositionEngine(),
compositionengine::DisplayCreationArgsBuilder()
.setId(displayId)
.setPixels(kResolution)
.setPowerAdvisor(&mPowerAdvisor)
.build());
DisplayDeviceCreationArgs creationArgs(mFlinger, mFlinger->getHwComposer(), displayToken,
compositionDisplay);
creationArgs.requestedRefreshRate = Fps::fromValue(requestedRefreshRate);
creationArgs.nativeWindow = sp<mock::NativeWindow>::make();
return sp<DisplayDevice>::make(creationArgs);
}
status_t getDisplayStats(const sp<IBinder>& displayToken, DisplayStatInfo* outInfo) {
return mFlinger->getDisplayStats(displayToken, outInfo);
}
/* ------------------------------------------------------------------------
* Read-only access to private data to assert post-conditions.
*/
const auto& getVisibleRegionsDirty() const { return mFlinger->mVisibleRegionsDirty; }
auto& getHwComposer() const {
return static_cast<impl::HWComposer&>(mFlinger->getHwComposer());
}
auto& getCompositionEngine() const { return mFlinger->getCompositionEngine(); }
mock::FrameTracer* getFrameTracer() const {
return static_cast<mock::FrameTracer*>(mFlinger->mFrameTracer.get());
}
void injectLegacyLayer(sp<Layer> layer) {
mFlinger->mLegacyLayers[static_cast<uint32_t>(layer->sequence)] = layer;
};
void releaseLegacyLayer(uint32_t sequence) { mFlinger->mLegacyLayers.erase(sequence); };
auto setLayerHistoryDisplayArea(uint32_t displayArea) {
return mFlinger->mScheduler->onActiveDisplayAreaChanged(displayArea);
};
auto updateLayerHistory(nsecs_t now) { return mFlinger->updateLayerHistory(now); };
auto setDaltonizerType(ColorBlindnessType type) {
mFlinger->mDaltonizer.setType(type);
return mFlinger->updateColorMatrixLocked();
}
auto updateLayerSnapshots(VsyncId vsyncId, nsecs_t frameTimeNs, bool transactionsFlushed,
bool& out) {
ftl::FakeGuard guard(kMainThreadContext);
return mFlinger->updateLayerSnapshots(vsyncId, frameTimeNs, transactionsFlushed, out);
}
/* ------------------------------------------------------------------------
* Read-write access to private data to set up preconditions and assert
* post-conditions.
*/
const auto& displays() const { return mFlinger->mDisplays; }
const auto& physicalDisplays() const { return mFlinger->mPhysicalDisplays; }
const auto& currentState() const { return mFlinger->mCurrentState; }
const auto& drawingState() const { return mFlinger->mDrawingState; }
const auto& transactionFlags() const { return mFlinger->mTransactionFlags; }
const auto& hwcPhysicalDisplayIdMap() const { return getHwComposer().mPhysicalDisplayIdMap; }
const auto& hwcDisplayData() const { return getHwComposer().mDisplayData; }
auto& mutableSupportsWideColor() { return mFlinger->mSupportsWideColor; }
auto& mutableCurrentState() { return mFlinger->mCurrentState; }
auto& mutableDisplayColorSetting() { return mFlinger->mDisplayColorSetting; }
auto& mutableDisplays() { return mFlinger->mDisplays; }
auto& mutablePhysicalDisplays() { return mFlinger->mPhysicalDisplays; }
auto& mutableDrawingState() { return mFlinger->mDrawingState; }
auto& mutableGeometryDirty() { return mFlinger->mGeometryDirty; }
auto& mutableVisibleRegionsDirty() { return mFlinger->mVisibleRegionsDirty; }
auto& mutableMainThreadId() { return mFlinger->mMainThreadId; }
auto& mutablePendingHotplugEvents() { return mFlinger->mPendingHotplugEvents; }
auto& mutableTransactionFlags() { return mFlinger->mTransactionFlags; }
auto& mutableDebugDisableHWC() { return mFlinger->mDebugDisableHWC; }
auto& mutableMaxRenderTargetSize() { return mFlinger->mMaxRenderTargetSize; }
auto& mutableHwcDisplayData() { return getHwComposer().mDisplayData; }
auto& mutableHwcPhysicalDisplayIdMap() { return getHwComposer().mPhysicalDisplayIdMap; }
auto& mutablePrimaryHwcDisplayId() { return getHwComposer().mPrimaryHwcDisplayId; }
auto& mutableActiveDisplayId() { return mFlinger->mActiveDisplayId; }
auto& mutablePreviouslyComposedLayers() { return mFlinger->mPreviouslyComposedLayers; }
auto& mutableActiveDisplayRotationFlags() {
return SurfaceFlinger::sActiveDisplayRotationFlags;
}
auto& mutableMinAcquiredBuffers() { return SurfaceFlinger::minAcquiredBuffers; }
auto& mutableLayersPendingRemoval() { return mFlinger->mLayersPendingRemoval; }
auto& mutableLayerSnapshotBuilder() { return mFlinger->mLayerSnapshotBuilder; };
auto fromHandle(const sp<IBinder>& handle) { return LayerHandle::getLayer(handle); }
auto initTransactionTraceWriter() {
mFlinger->mTransactionTracing.emplace();
return mFlinger->initTransactionTraceWriter();
}
void enableNewFrontEnd() {
mFlinger->mLayerLifecycleManagerEnabled = true;
mFlinger->mLegacyFrontEndEnabled = false;
}
void notifyExpectedPresentIfRequired(PhysicalDisplayId displayId, Period vsyncPeriod,
TimePoint expectedPresentTime, Fps frameInterval,
std::optional<Period> timeoutOpt) {
mFlinger->notifyExpectedPresentIfRequired(displayId, vsyncPeriod, expectedPresentTime,
frameInterval, timeoutOpt);
}
void setNotifyExpectedPresentData(PhysicalDisplayId displayId,
TimePoint lastExpectedPresentTimestamp,
Fps lastFrameInterval) {
auto& displayData = mFlinger->mNotifyExpectedPresentMap[displayId];
displayData.lastExpectedPresentTimestamp = lastExpectedPresentTimestamp;
displayData.lastFrameInterval = lastFrameInterval;
}
~TestableSurfaceFlinger() {
// All these pointer and container clears help ensure that GMock does
// not report a leaked object, since the SurfaceFlinger instance may
// still be referenced by something despite our best efforts to destroy
// it after each test is done.
mutableDisplays().clear();
mutableCurrentState().displays.clear();
mutableDrawingState().displays.clear();
mFlinger->mLayersPendingRemoval.clear();
mFlinger->mScheduler.reset();
mFlinger->mCompositionEngine->setHwComposer(std::unique_ptr<HWComposer>());
mFlinger->mRenderEngine = std::unique_ptr<renderengine::RenderEngine>();
mFlinger->mCompositionEngine->setRenderEngine(mFlinger->mRenderEngine.get());
mFlinger->mTransactionTracing.reset();
}
/* ------------------------------------------------------------------------
* Wrapper classes for Read-write access to private data to set up
* preconditions and assert post-conditions.
*/
struct HWC2Display : public HWC2::impl::Display {
HWC2Display(
Hwc2::Composer& composer,
const std::unordered_set<aidl::android::hardware::graphics::composer3::Capability>&
capabilities,
hal::HWDisplayId id, hal::DisplayType type)
: HWC2::impl::Display(composer, capabilities, id, type) {}
~HWC2Display() {
// Prevents a call to disable vsyncs.
mType = hal::DisplayType::INVALID;
}
auto& mutableIsConnected() { return this->mIsConnected; }
auto& mutableLayers() { return this->mLayers; }
};
class FakeHwcDisplayInjector {
public:
static constexpr hal::HWDisplayId DEFAULT_HWC_DISPLAY_ID = 1000;
static constexpr ui::Size DEFAULT_RESOLUTION{1920, 1280};
static constexpr int32_t DEFAULT_VSYNC_PERIOD = 16'666'667;
static constexpr int32_t DEFAULT_CONFIG_GROUP = 7;
static constexpr int32_t DEFAULT_DPI = 320;
static constexpr hal::HWConfigId DEFAULT_ACTIVE_CONFIG = 0;
static constexpr hal::PowerMode DEFAULT_POWER_MODE = hal::PowerMode::ON;
FakeHwcDisplayInjector(HalDisplayId displayId, hal::DisplayType hwcDisplayType,
bool isPrimary)
: mDisplayId(displayId), mHwcDisplayType(hwcDisplayType), mIsPrimary(isPrimary) {}
auto& setHwcDisplayId(hal::HWDisplayId displayId) {
mHwcDisplayId = displayId;
return *this;
}
auto& setResolution(ui::Size resolution) {
mResolution = resolution;
return *this;
}
auto& setVsyncPeriod(nsecs_t vsyncPeriod) {
mVsyncPeriod = vsyncPeriod;
return *this;
}
auto& setDpiX(int32_t dpi) {
mDpiX = dpi;
return *this;
}
auto& setDpiY(int32_t dpi) {
mDpiY = dpi;
return *this;
}
auto& setActiveConfig(hal::HWConfigId config) {
mActiveConfig = config;
return *this;
}
auto& setCapabilities(
const std::unordered_set<aidl::android::hardware::graphics::composer3::Capability>*
capabilities) {
mCapabilities = capabilities;
return *this;
}
auto& setPowerMode(std::optional<hal::PowerMode> mode) {
mPowerMode = mode;
return *this;
}
void inject(TestableSurfaceFlinger* flinger, Hwc2::mock::Composer* composer) {
using ::testing::_;
using ::testing::DoAll;
using ::testing::Return;
using ::testing::SetArgPointee;
static const std::unordered_set<
aidl::android::hardware::graphics::composer3::Capability>
defaultCapabilities;
if (mCapabilities == nullptr) mCapabilities = &defaultCapabilities;
// Caution - Make sure that any values passed by reference here do
// not refer to an instance owned by FakeHwcDisplayInjector. This
// class has temporary lifetime, while the constructed HWC2::Display
// is much longer lived.
auto display = std::make_unique<HWC2Display>(*composer, *mCapabilities, mHwcDisplayId,
mHwcDisplayType);
display->mutableIsConnected() = true;
if (mPowerMode) {
display->setPowerMode(*mPowerMode);
}
flinger->mutableHwcDisplayData()[mDisplayId].hwcDisplay = std::move(display);
EXPECT_CALL(*composer, getDisplayConfigs(mHwcDisplayId, _))
.WillRepeatedly(
DoAll(SetArgPointee<1>(std::vector<hal::HWConfigId>{mActiveConfig}),
Return(hal::Error::NONE)));
EXPECT_CALL(*composer,
getDisplayAttribute(mHwcDisplayId, mActiveConfig, hal::Attribute::WIDTH, _))
.WillRepeatedly(DoAll(SetArgPointee<3>(mResolution.getWidth()),
Return(hal::Error::NONE)));
EXPECT_CALL(*composer,
getDisplayAttribute(mHwcDisplayId, mActiveConfig, hal::Attribute::HEIGHT,
_))
.WillRepeatedly(DoAll(SetArgPointee<3>(mResolution.getHeight()),
Return(hal::Error::NONE)));
EXPECT_CALL(*composer,
getDisplayAttribute(mHwcDisplayId, mActiveConfig,
hal::Attribute::VSYNC_PERIOD, _))
.WillRepeatedly(DoAll(SetArgPointee<3>(static_cast<int32_t>(mVsyncPeriod)),
Return(hal::Error::NONE)));
EXPECT_CALL(*composer,
getDisplayAttribute(mHwcDisplayId, mActiveConfig, hal::Attribute::DPI_X, _))
.WillRepeatedly(DoAll(SetArgPointee<3>(mDpiX), Return(hal::Error::NONE)));
EXPECT_CALL(*composer,
getDisplayAttribute(mHwcDisplayId, mActiveConfig, hal::Attribute::DPI_Y, _))
.WillRepeatedly(DoAll(SetArgPointee<3>(mDpiY), Return(hal::Error::NONE)));
EXPECT_CALL(*composer,
getDisplayAttribute(mHwcDisplayId, mActiveConfig,
hal::Attribute::CONFIG_GROUP, _))
.WillRepeatedly(
DoAll(SetArgPointee<3>(mConfigGroup), Return(hal::Error::NONE)));
if (mHwcDisplayType == hal::DisplayType::PHYSICAL) {
const auto physicalId = PhysicalDisplayId::tryCast(mDisplayId);
LOG_ALWAYS_FATAL_IF(!physicalId);
flinger->mutableHwcPhysicalDisplayIdMap().emplace(mHwcDisplayId, *physicalId);
if (mIsPrimary) {
flinger->mutablePrimaryHwcDisplayId() = mHwcDisplayId;
} else {
// If there is an external HWC display, there should always be a primary ID
// as well. Set it to some arbitrary value.
auto& primaryId = flinger->mutablePrimaryHwcDisplayId();
if (!primaryId) primaryId = mHwcDisplayId - 1;
}
}
}
private:
const HalDisplayId mDisplayId;
const hal::DisplayType mHwcDisplayType;
const bool mIsPrimary;
hal::HWDisplayId mHwcDisplayId = DEFAULT_HWC_DISPLAY_ID;
ui::Size mResolution = DEFAULT_RESOLUTION;
nsecs_t mVsyncPeriod = DEFAULT_VSYNC_PERIOD;
int32_t mDpiX = DEFAULT_DPI;
int32_t mDpiY = DEFAULT_DPI;
int32_t mConfigGroup = DEFAULT_CONFIG_GROUP;
hal::HWConfigId mActiveConfig = DEFAULT_ACTIVE_CONFIG;
std::optional<hal::PowerMode> mPowerMode = DEFAULT_POWER_MODE;
const std::unordered_set<aidl::android::hardware::graphics::composer3::Capability>*
mCapabilities = nullptr;
};
class FakeDisplayDeviceInjector {
public:
FakeDisplayDeviceInjector(TestableSurfaceFlinger& flinger,
std::shared_ptr<compositionengine::Display> display,
std::optional<ui::DisplayConnectionType> connectionType,
std::optional<hal::HWDisplayId> hwcDisplayId, bool isPrimary)
: mFlinger(flinger),
mCreationArgs(flinger.mFlinger, flinger.mFlinger->getHwComposer(), mDisplayToken,
display),
mConnectionType(connectionType),
mHwcDisplayId(hwcDisplayId) {
mCreationArgs.isPrimary = isPrimary;
mCreationArgs.initialPowerMode = hal::PowerMode::ON;
}
sp<IBinder> token() const { return mDisplayToken; }
auto physicalDisplay() const {
return ftl::Optional(mCreationArgs.compositionDisplay->getDisplayId())
.and_then(&PhysicalDisplayId::tryCast)
.and_then(display::getPhysicalDisplay(mFlinger.physicalDisplays()));
}
DisplayDeviceState& mutableDrawingDisplayState() {
return mFlinger.mutableDrawingState().displays.editValueFor(mDisplayToken);
}
DisplayDeviceState& mutableCurrentDisplayState() {
return mFlinger.mutableCurrentState().displays.editValueFor(mDisplayToken);
}
const auto& getDrawingDisplayState() {
return mFlinger.mutableDrawingState().displays.valueFor(mDisplayToken);
}
const auto& getCurrentDisplayState() {
return mFlinger.mutableCurrentState().displays.valueFor(mDisplayToken);
}
const sp<DisplayDevice>& mutableDisplayDevice() {
return mFlinger.mutableDisplays().get(mDisplayToken)->get();
}
auto& setDisplayModes(DisplayModes modes, DisplayModeId activeModeId) {
mDisplayModes = std::move(modes);
mCreationArgs.activeModeId = activeModeId;
mCreationArgs.refreshRateSelector = nullptr;
return *this;
}
auto& setRefreshRateSelector(RefreshRateSelectorPtr selectorPtr) {
mDisplayModes = selectorPtr->displayModes();
mCreationArgs.activeModeId = selectorPtr->getActiveMode().modePtr->getId();
mCreationArgs.refreshRateSelector = std::move(selectorPtr);
return *this;
}
auto& setNativeWindow(const sp<ANativeWindow>& nativeWindow) {
mCreationArgs.nativeWindow = nativeWindow;
return *this;
}
auto& setDisplaySurface(const sp<compositionengine::DisplaySurface>& displaySurface) {
mCreationArgs.displaySurface = displaySurface;
return *this;
}
auto& setSecure(bool secure) {
mCreationArgs.isSecure = secure;
return *this;
}
auto& setPowerMode(std::optional<hal::PowerMode> mode) {
mCreationArgs.initialPowerMode = mode;
return *this;
}
auto& setHwcColorModes(
const std::unordered_map<ui::ColorMode, std::vector<ui::RenderIntent>>
hwcColorModes) {
mCreationArgs.hwcColorModes = hwcColorModes;
return *this;
}
auto& setHasWideColorGamut(bool hasWideColorGamut) {
mCreationArgs.hasWideColorGamut = hasWideColorGamut;
return *this;
}
auto& setPhysicalOrientation(ui::Rotation orientation) {
mCreationArgs.physicalOrientation = orientation;
return *this;
}
auto& skipRegisterDisplay() {
mRegisterDisplay = false;
return *this;
}
sp<DisplayDevice> inject() NO_THREAD_SAFETY_ANALYSIS {
return inject(std::make_unique<mock::VsyncController>(),
std::make_shared<mock::VSyncTracker>());
}
sp<DisplayDevice> inject(std::unique_ptr<android::scheduler::VsyncController> controller,
std::shared_ptr<android::scheduler::VSyncTracker> tracker)
NO_THREAD_SAFETY_ANALYSIS {
const auto displayId = mCreationArgs.compositionDisplay->getDisplayId();
auto& modes = mDisplayModes;
auto& activeModeId = mCreationArgs.activeModeId;
if (displayId && !mCreationArgs.refreshRateSelector) {
if (const auto physicalId = PhysicalDisplayId::tryCast(*displayId)) {
if (modes.empty()) {
constexpr DisplayModeId kModeId{0};
DisplayModePtr mode =
DisplayMode::Builder(FakeHwcDisplayInjector::DEFAULT_ACTIVE_CONFIG)
.setId(kModeId)
.setPhysicalDisplayId(*physicalId)
.setResolution(FakeHwcDisplayInjector::DEFAULT_RESOLUTION)
.setVsyncPeriod(
FakeHwcDisplayInjector::DEFAULT_VSYNC_PERIOD)
.setDpiX(FakeHwcDisplayInjector::DEFAULT_DPI)
.setDpiY(FakeHwcDisplayInjector::DEFAULT_DPI)
.setGroup(FakeHwcDisplayInjector::DEFAULT_CONFIG_GROUP)
.build();
modes = ftl::init::map(kModeId, std::move(mode));
activeModeId = kModeId;
}
mCreationArgs.refreshRateSelector =
std::make_shared<scheduler::RefreshRateSelector>(modes, activeModeId);
}
}
sp<DisplayDevice> display = sp<DisplayDevice>::make(mCreationArgs);
mFlinger.mutableDisplays().emplace_or_replace(mDisplayToken, display);
DisplayDeviceState state;
state.isSecure = mCreationArgs.isSecure;
if (mConnectionType) {
LOG_ALWAYS_FATAL_IF(!displayId);
const auto physicalIdOpt = PhysicalDisplayId::tryCast(*displayId);
LOG_ALWAYS_FATAL_IF(!physicalIdOpt);
const auto physicalId = *physicalIdOpt;
if (mCreationArgs.isPrimary) {
mFlinger.mutableActiveDisplayId() = physicalId;
}
LOG_ALWAYS_FATAL_IF(!mHwcDisplayId);
const auto activeMode = modes.get(activeModeId);
LOG_ALWAYS_FATAL_IF(!activeMode);
const auto fps = activeMode->get()->getPeakFps();
state.physical = {.id = physicalId,
.hwcDisplayId = *mHwcDisplayId,
.activeMode = activeMode->get()};
mFlinger.mutablePhysicalDisplays().emplace_or_replace(physicalId, mDisplayToken,
physicalId, *mConnectionType,
std::move(modes),
ui::ColorModes(),
std::nullopt);
if (mFlinger.scheduler() && mRegisterDisplay) {
mFlinger.scheduler()->registerDisplay(physicalId,
display->holdRefreshRateSelector(),
std::move(controller),
std::move(tracker));
}
display->setActiveMode(activeModeId, fps, fps);
}
mFlinger.mutableCurrentState().displays.add(mDisplayToken, state);
mFlinger.mutableDrawingState().displays.add(mDisplayToken, state);
return display;
}
private:
TestableSurfaceFlinger& mFlinger;
sp<BBinder> mDisplayToken = sp<BBinder>::make();
DisplayDeviceCreationArgs mCreationArgs;
DisplayModes mDisplayModes;
bool mRegisterDisplay = true;
const std::optional<ui::DisplayConnectionType> mConnectionType;
const std::optional<hal::HWDisplayId> mHwcDisplayId;
};
private:
template <typename T>
static std::unique_ptr<T> makeMock(bool useNiceMock) {
return useNiceMock ? std::make_unique<testing::NiceMock<T>>() : std::make_unique<T>();
}
template <typename T>
static std::shared_ptr<T> makeSharedMock(bool useNiceMock) {
return useNiceMock ? std::make_shared<testing::NiceMock<T>>() : std::make_shared<T>();
}
static constexpr VsyncId kVsyncId{123};
surfaceflinger::test::Factory mFactory;
sp<SurfaceFlinger> mFlinger;
scheduler::mock::SchedulerCallback mSchedulerCallback;
scheduler::mock::NoOpSchedulerCallback mNoOpSchedulerCallback;
scheduler::mock::VsyncTrackerCallback mVsyncTrackerCallback;
scheduler::mock::NoOpVsyncTrackerCallback mNoOpVsyncTrackerCallback;
std::unique_ptr<frametimeline::impl::TokenManager> mTokenManager;
scheduler::TestableScheduler* mScheduler = nullptr;
Hwc2::mock::PowerAdvisor mPowerAdvisor;
};
} // namespace android