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/*
* Copyright (C) 2007 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.
*/
// tag as surfaceflinger
#define LOG_TAG "SurfaceFlinger"
#include <android/gui/IDisplayEventConnection.h>
#include <android/gui/IRegionSamplingListener.h>
#include <android/gui/ITransactionTraceListener.h>
#include <binder/IPCThreadState.h>
#include <binder/IServiceManager.h>
#include <binder/Parcel.h>
#include <gui/IGraphicBufferProducer.h>
#include <gui/ISurfaceComposer.h>
#include <gui/ISurfaceComposerClient.h>
#include <gui/LayerState.h>
#include <private/gui/ParcelUtils.h>
#include <stdint.h>
#include <sys/types.h>
#include <system/graphics.h>
#include <ui/DisplayMode.h>
#include <ui/DisplayStatInfo.h>
#include <ui/DisplayState.h>
#include <ui/DynamicDisplayInfo.h>
#include <ui/HdrCapabilities.h>
#include <utils/Log.h>
// ---------------------------------------------------------------------------
using namespace aidl::android::hardware::graphics;
namespace android {
using gui::DisplayCaptureArgs;
using gui::IDisplayEventConnection;
using gui::IRegionSamplingListener;
using gui::IWindowInfosListener;
using gui::LayerCaptureArgs;
using ui::ColorMode;
class BpSurfaceComposer : public BpInterface<ISurfaceComposer>
{
public:
explicit BpSurfaceComposer(const sp<IBinder>& impl)
: BpInterface<ISurfaceComposer>(impl)
{
}
virtual ~BpSurfaceComposer();
virtual sp<ISurfaceComposerClient> createConnection()
{
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
remote()->transact(BnSurfaceComposer::CREATE_CONNECTION, data, &reply);
return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder());
}
status_t setTransactionState(const FrameTimelineInfo& frameTimelineInfo,
const Vector<ComposerState>& state,
const Vector<DisplayState>& displays, uint32_t flags,
const sp<IBinder>& applyToken, const InputWindowCommands& commands,
int64_t desiredPresentTime, bool isAutoTimestamp,
const client_cache_t& uncacheBuffer, bool hasListenerCallbacks,
const std::vector<ListenerCallbacks>& listenerCallbacks,
uint64_t transactionId) override {
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
SAFE_PARCEL(frameTimelineInfo.write, data);
SAFE_PARCEL(data.writeUint32, static_cast<uint32_t>(state.size()));
for (const auto& s : state) {
SAFE_PARCEL(s.write, data);
}
SAFE_PARCEL(data.writeUint32, static_cast<uint32_t>(displays.size()));
for (const auto& d : displays) {
SAFE_PARCEL(d.write, data);
}
SAFE_PARCEL(data.writeUint32, flags);
SAFE_PARCEL(data.writeStrongBinder, applyToken);
SAFE_PARCEL(commands.write, data);
SAFE_PARCEL(data.writeInt64, desiredPresentTime);
SAFE_PARCEL(data.writeBool, isAutoTimestamp);
SAFE_PARCEL(data.writeStrongBinder, uncacheBuffer.token.promote());
SAFE_PARCEL(data.writeUint64, uncacheBuffer.id);
SAFE_PARCEL(data.writeBool, hasListenerCallbacks);
SAFE_PARCEL(data.writeVectorSize, listenerCallbacks);
for (const auto& [listener, callbackIds] : listenerCallbacks) {
SAFE_PARCEL(data.writeStrongBinder, listener);
SAFE_PARCEL(data.writeParcelableVector, callbackIds);
}
SAFE_PARCEL(data.writeUint64, transactionId);
if (flags & ISurfaceComposer::eOneWay) {
return remote()->transact(BnSurfaceComposer::SET_TRANSACTION_STATE,
data, &reply, IBinder::FLAG_ONEWAY);
} else {
return remote()->transact(BnSurfaceComposer::SET_TRANSACTION_STATE,
data, &reply);
}
}
void bootFinished() override {
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
remote()->transact(BnSurfaceComposer::BOOT_FINISHED, data, &reply);
}
bool authenticateSurfaceTexture(
const sp<IGraphicBufferProducer>& bufferProducer) const override {
Parcel data, reply;
int err = NO_ERROR;
err = data.writeInterfaceToken(
ISurfaceComposer::getInterfaceDescriptor());
if (err != NO_ERROR) {
ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error writing "
"interface descriptor: %s (%d)", strerror(-err), -err);
return false;
}
err = data.writeStrongBinder(IInterface::asBinder(bufferProducer));
if (err != NO_ERROR) {
ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error writing "
"strong binder to parcel: %s (%d)", strerror(-err), -err);
return false;
}
err = remote()->transact(BnSurfaceComposer::AUTHENTICATE_SURFACE, data,
&reply);
if (err != NO_ERROR) {
ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error "
"performing transaction: %s (%d)", strerror(-err), -err);
return false;
}
int32_t result = 0;
err = reply.readInt32(&result);
if (err != NO_ERROR) {
ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error "
"retrieving result: %s (%d)", strerror(-err), -err);
return false;
}
return result != 0;
}
sp<IDisplayEventConnection> createDisplayEventConnection(
VsyncSource vsyncSource, EventRegistrationFlags eventRegistration) override {
Parcel data, reply;
sp<IDisplayEventConnection> result;
int err = data.writeInterfaceToken(
ISurfaceComposer::getInterfaceDescriptor());
if (err != NO_ERROR) {
return result;
}
data.writeInt32(static_cast<int32_t>(vsyncSource));
data.writeUint32(eventRegistration.get());
err = remote()->transact(
BnSurfaceComposer::CREATE_DISPLAY_EVENT_CONNECTION,
data, &reply);
if (err != NO_ERROR) {
ALOGE("ISurfaceComposer::createDisplayEventConnection: error performing "
"transaction: %s (%d)", strerror(-err), -err);
return result;
}
result = interface_cast<IDisplayEventConnection>(reply.readStrongBinder());
return result;
}
status_t getDisplayedContentSample(const sp<IBinder>& display, uint64_t maxFrames,
uint64_t timestamp,
DisplayedFrameStats* outStats) const override {
if (!outStats) return BAD_VALUE;
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
data.writeStrongBinder(display);
data.writeUint64(maxFrames);
data.writeUint64(timestamp);
status_t result =
remote()->transact(BnSurfaceComposer::GET_DISPLAYED_CONTENT_SAMPLE, data, &reply);
if (result != NO_ERROR) {
return result;
}
result = reply.readUint64(&outStats->numFrames);
if (result != NO_ERROR) {
return result;
}
result = reply.readUint64Vector(&outStats->component_0_sample);
if (result != NO_ERROR) {
return result;
}
result = reply.readUint64Vector(&outStats->component_1_sample);
if (result != NO_ERROR) {
return result;
}
result = reply.readUint64Vector(&outStats->component_2_sample);
if (result != NO_ERROR) {
return result;
}
result = reply.readUint64Vector(&outStats->component_3_sample);
return result;
}
status_t setGlobalShadowSettings(const half4& ambientColor, const half4& spotColor,
float lightPosY, float lightPosZ, float lightRadius) override {
Parcel data, reply;
status_t error = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
if (error != NO_ERROR) {
ALOGE("setGlobalShadowSettings: failed to write interface token: %d", error);
return error;
}
std::vector<float> shadowConfig = {ambientColor.r, ambientColor.g, ambientColor.b,
ambientColor.a, spotColor.r, spotColor.g,
spotColor.b, spotColor.a, lightPosY,
lightPosZ, lightRadius};
error = data.writeFloatVector(shadowConfig);
if (error != NO_ERROR) {
ALOGE("setGlobalShadowSettings: failed to write shadowConfig: %d", error);
return error;
}
error = remote()->transact(BnSurfaceComposer::SET_GLOBAL_SHADOW_SETTINGS, data, &reply,
IBinder::FLAG_ONEWAY);
if (error != NO_ERROR) {
ALOGE("setGlobalShadowSettings: failed to transact: %d", error);
return error;
}
return NO_ERROR;
}
status_t getDisplayDecorationSupport(
const sp<IBinder>& displayToken,
std::optional<common::DisplayDecorationSupport>* outSupport) const override {
Parcel data, reply;
status_t error = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
if (error != NO_ERROR) {
ALOGE("getDisplayDecorationSupport: failed to write interface token: %d", error);
return error;
}
error = data.writeStrongBinder(displayToken);
if (error != NO_ERROR) {
ALOGE("getDisplayDecorationSupport: failed to write display token: %d", error);
return error;
}
error = remote()->transact(BnSurfaceComposer::GET_DISPLAY_DECORATION_SUPPORT, data, &reply);
if (error != NO_ERROR) {
ALOGE("getDisplayDecorationSupport: failed to transact: %d", error);
return error;
}
bool support;
error = reply.readBool(&support);
if (error != NO_ERROR) {
ALOGE("getDisplayDecorationSupport: failed to read support: %d", error);
return error;
}
if (support) {
int32_t format, alphaInterpretation;
error = reply.readInt32(&format);
if (error != NO_ERROR) {
ALOGE("getDisplayDecorationSupport: failed to read format: %d", error);
return error;
}
error = reply.readInt32(&alphaInterpretation);
if (error != NO_ERROR) {
ALOGE("getDisplayDecorationSupport: failed to read alphaInterpretation: %d", error);
return error;
}
outSupport->emplace();
outSupport->value().format = static_cast<common::PixelFormat>(format);
outSupport->value().alphaInterpretation =
static_cast<common::AlphaInterpretation>(alphaInterpretation);
} else {
outSupport->reset();
}
return NO_ERROR;
}
status_t setFrameRate(const sp<IGraphicBufferProducer>& surface, float frameRate,
int8_t compatibility, int8_t changeFrameRateStrategy) override {
Parcel data, reply;
SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(surface));
SAFE_PARCEL(data.writeFloat, frameRate);
SAFE_PARCEL(data.writeByte, compatibility);
SAFE_PARCEL(data.writeByte, changeFrameRateStrategy);
status_t err = remote()->transact(BnSurfaceComposer::SET_FRAME_RATE, data, &reply);
if (err != NO_ERROR) {
ALOGE("setFrameRate: failed to transact: %s (%d)", strerror(-err), err);
return err;
}
return reply.readInt32();
}
status_t setFrameTimelineInfo(const sp<IGraphicBufferProducer>& surface,
const FrameTimelineInfo& frameTimelineInfo) override {
Parcel data, reply;
status_t err = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
if (err != NO_ERROR) {
ALOGE("%s: failed writing interface token: %s (%d)", __func__, strerror(-err), -err);
return err;
}
err = data.writeStrongBinder(IInterface::asBinder(surface));
if (err != NO_ERROR) {
ALOGE("%s: failed writing strong binder: %s (%d)", __func__, strerror(-err), -err);
return err;
}
SAFE_PARCEL(frameTimelineInfo.write, data);
err = remote()->transact(BnSurfaceComposer::SET_FRAME_TIMELINE_INFO, data, &reply);
if (err != NO_ERROR) {
ALOGE("%s: failed to transact: %s (%d)", __func__, strerror(-err), err);
return err;
}
return reply.readInt32();
}
status_t setOverrideFrameRate(uid_t uid, float frameRate) override {
Parcel data, reply;
SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
SAFE_PARCEL(data.writeUint32, uid);
SAFE_PARCEL(data.writeFloat, frameRate);
status_t err = remote()->transact(BnSurfaceComposer::SET_OVERRIDE_FRAME_RATE, data, &reply);
if (err != NO_ERROR) {
ALOGE("setOverrideFrameRate: failed to transact %s (%d)", strerror(-err), err);
return err;
}
return NO_ERROR;
}
};
// Out-of-line virtual method definition to trigger vtable emission in this
// translation unit (see clang warning -Wweak-vtables)
BpSurfaceComposer::~BpSurfaceComposer() {}
IMPLEMENT_META_INTERFACE(SurfaceComposer, "android.ui.ISurfaceComposer");
// ----------------------------------------------------------------------
status_t BnSurfaceComposer::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case CREATE_CONNECTION: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
sp<IBinder> b = IInterface::asBinder(createConnection());
reply->writeStrongBinder(b);
return NO_ERROR;
}
case SET_TRANSACTION_STATE: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
FrameTimelineInfo frameTimelineInfo;
SAFE_PARCEL(frameTimelineInfo.read, data);
uint32_t count = 0;
SAFE_PARCEL_READ_SIZE(data.readUint32, &count, data.dataSize());
Vector<ComposerState> state;
state.setCapacity(count);
for (size_t i = 0; i < count; i++) {
ComposerState s;
SAFE_PARCEL(s.read, data);
state.add(s);
}
SAFE_PARCEL_READ_SIZE(data.readUint32, &count, data.dataSize());
DisplayState d;
Vector<DisplayState> displays;
displays.setCapacity(count);
for (size_t i = 0; i < count; i++) {
SAFE_PARCEL(d.read, data);
displays.add(d);
}
uint32_t stateFlags = 0;
SAFE_PARCEL(data.readUint32, &stateFlags);
sp<IBinder> applyToken;
SAFE_PARCEL(data.readStrongBinder, &applyToken);
InputWindowCommands inputWindowCommands;
SAFE_PARCEL(inputWindowCommands.read, data);
int64_t desiredPresentTime = 0;
bool isAutoTimestamp = true;
SAFE_PARCEL(data.readInt64, &desiredPresentTime);
SAFE_PARCEL(data.readBool, &isAutoTimestamp);
client_cache_t uncachedBuffer;
sp<IBinder> tmpBinder;
SAFE_PARCEL(data.readNullableStrongBinder, &tmpBinder);
uncachedBuffer.token = tmpBinder;
SAFE_PARCEL(data.readUint64, &uncachedBuffer.id);
bool hasListenerCallbacks = false;
SAFE_PARCEL(data.readBool, &hasListenerCallbacks);
std::vector<ListenerCallbacks> listenerCallbacks;
int32_t listenersSize = 0;
SAFE_PARCEL_READ_SIZE(data.readInt32, &listenersSize, data.dataSize());
for (int32_t i = 0; i < listenersSize; i++) {
SAFE_PARCEL(data.readStrongBinder, &tmpBinder);
std::vector<CallbackId> callbackIds;
SAFE_PARCEL(data.readParcelableVector, &callbackIds);
listenerCallbacks.emplace_back(tmpBinder, callbackIds);
}
uint64_t transactionId = -1;
SAFE_PARCEL(data.readUint64, &transactionId);
return setTransactionState(frameTimelineInfo, state, displays, stateFlags, applyToken,
inputWindowCommands, desiredPresentTime, isAutoTimestamp,
uncachedBuffer, hasListenerCallbacks, listenerCallbacks,
transactionId);
}
case BOOT_FINISHED: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
bootFinished();
return NO_ERROR;
}
case AUTHENTICATE_SURFACE: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
sp<IGraphicBufferProducer> bufferProducer =
interface_cast<IGraphicBufferProducer>(data.readStrongBinder());
int32_t result = authenticateSurfaceTexture(bufferProducer) ? 1 : 0;
reply->writeInt32(result);
return NO_ERROR;
}
case CREATE_DISPLAY_EVENT_CONNECTION: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
auto vsyncSource = static_cast<ISurfaceComposer::VsyncSource>(data.readInt32());
EventRegistrationFlags eventRegistration =
static_cast<EventRegistration>(data.readUint32());
sp<IDisplayEventConnection> connection(
createDisplayEventConnection(vsyncSource, eventRegistration));
reply->writeStrongBinder(IInterface::asBinder(connection));
return NO_ERROR;
}
case GET_DISPLAYED_CONTENT_SAMPLE: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
sp<IBinder> display = data.readStrongBinder();
uint64_t maxFrames = 0;
uint64_t timestamp = 0;
status_t result = data.readUint64(&maxFrames);
if (result != NO_ERROR) {
ALOGE("getDisplayedContentSample failure in reading max frames: %d", result);
return result;
}
result = data.readUint64(&timestamp);
if (result != NO_ERROR) {
ALOGE("getDisplayedContentSample failure in reading timestamp: %d", result);
return result;
}
DisplayedFrameStats stats;
result = getDisplayedContentSample(display, maxFrames, timestamp, &stats);
if (result == NO_ERROR) {
reply->writeUint64(stats.numFrames);
reply->writeUint64Vector(stats.component_0_sample);
reply->writeUint64Vector(stats.component_1_sample);
reply->writeUint64Vector(stats.component_2_sample);
reply->writeUint64Vector(stats.component_3_sample);
}
return result;
}
case SET_GLOBAL_SHADOW_SETTINGS: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
std::vector<float> shadowConfig;
status_t error = data.readFloatVector(&shadowConfig);
if (error != NO_ERROR || shadowConfig.size() != 11) {
ALOGE("setGlobalShadowSettings: failed to read shadowConfig: %d", error);
return error;
}
half4 ambientColor = {shadowConfig[0], shadowConfig[1], shadowConfig[2],
shadowConfig[3]};
half4 spotColor = {shadowConfig[4], shadowConfig[5], shadowConfig[6], shadowConfig[7]};
float lightPosY = shadowConfig[8];
float lightPosZ = shadowConfig[9];
float lightRadius = shadowConfig[10];
return setGlobalShadowSettings(ambientColor, spotColor, lightPosY, lightPosZ,
lightRadius);
}
case GET_DISPLAY_DECORATION_SUPPORT: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
sp<IBinder> displayToken;
SAFE_PARCEL(data.readNullableStrongBinder, &displayToken);
std::optional<common::DisplayDecorationSupport> support;
auto error = getDisplayDecorationSupport(displayToken, &support);
if (error != NO_ERROR) {
ALOGE("getDisplayDecorationSupport failed with error %d", error);
return error;
}
reply->writeBool(support.has_value());
if (support) {
reply->writeInt32(static_cast<int32_t>(support.value().format));
reply->writeInt32(static_cast<int32_t>(support.value().alphaInterpretation));
}
return error;
}
case SET_FRAME_RATE: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
sp<IBinder> binder;
SAFE_PARCEL(data.readStrongBinder, &binder);
sp<IGraphicBufferProducer> surface = interface_cast<IGraphicBufferProducer>(binder);
if (!surface) {
ALOGE("setFrameRate: failed to cast to IGraphicBufferProducer");
return BAD_VALUE;
}
float frameRate;
SAFE_PARCEL(data.readFloat, &frameRate);
int8_t compatibility;
SAFE_PARCEL(data.readByte, &compatibility);
int8_t changeFrameRateStrategy;
SAFE_PARCEL(data.readByte, &changeFrameRateStrategy);
status_t result =
setFrameRate(surface, frameRate, compatibility, changeFrameRateStrategy);
reply->writeInt32(result);
return NO_ERROR;
}
case SET_FRAME_TIMELINE_INFO: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
sp<IBinder> binder;
status_t err = data.readStrongBinder(&binder);
if (err != NO_ERROR) {
ALOGE("setFrameTimelineInfo: failed to read strong binder: %s (%d)", strerror(-err),
-err);
return err;
}
sp<IGraphicBufferProducer> surface = interface_cast<IGraphicBufferProducer>(binder);
if (!surface) {
ALOGE("setFrameTimelineInfo: failed to cast to IGraphicBufferProducer: %s (%d)",
strerror(-err), -err);
return err;
}
FrameTimelineInfo frameTimelineInfo;
SAFE_PARCEL(frameTimelineInfo.read, data);
status_t result = setFrameTimelineInfo(surface, frameTimelineInfo);
reply->writeInt32(result);
return NO_ERROR;
}
case SET_OVERRIDE_FRAME_RATE: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
uid_t uid;
SAFE_PARCEL(data.readUint32, &uid);
float frameRate;
SAFE_PARCEL(data.readFloat, &frameRate);
return setOverrideFrameRate(uid, frameRate);
}
default: {
return BBinder::onTransact(code, data, reply, flags);
}
}
}
} // namespace android