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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 <binder/IPCThreadState.h>
#include <binder/IServiceManager.h>
#include <binder/Parcel.h>
#include <gui/IGraphicBufferProducer.h>
#include <gui/ISurfaceComposer.h>
#include <gui/LayerState.h>
#include <gui/SchedulingPolicy.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();
status_t setTransactionState(
const FrameTimelineInfo& frameTimelineInfo, Vector<ComposerState>& state,
const Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
InputWindowCommands commands, int64_t desiredPresentTime, bool isAutoTimestamp,
const std::vector<client_cache_t>& uncacheBuffers, bool hasListenerCallbacks,
const std::vector<ListenerCallbacks>& listenerCallbacks, uint64_t transactionId,
const std::vector<uint64_t>& mergedTransactionIds) override {
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
frameTimelineInfo.writeToParcel(&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.writeUint32, static_cast<uint32_t>(uncacheBuffers.size()));
for (const client_cache_t& uncacheBuffer : uncacheBuffers) {
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);
SAFE_PARCEL(data.writeUint32, static_cast<uint32_t>(mergedTransactionIds.size()));
for (auto mergedTransactionId : mergedTransactionIds) {
SAFE_PARCEL(data.writeUint64, mergedTransactionId);
}
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);
}
}
};
// 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 SET_TRANSACTION_STATE: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
FrameTimelineInfo frameTimelineInfo;
frameTimelineInfo.readFromParcel(&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);
SAFE_PARCEL_READ_SIZE(data.readUint32, &count, data.dataSize());
std::vector<client_cache_t> uncacheBuffers(count);
sp<IBinder> tmpBinder;
for (size_t i = 0; i < count; i++) {
SAFE_PARCEL(data.readNullableStrongBinder, &tmpBinder);
uncacheBuffers[i].token = tmpBinder;
SAFE_PARCEL(data.readUint64, &uncacheBuffers[i].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);
SAFE_PARCEL_READ_SIZE(data.readUint32, &count, data.dataSize());
std::vector<uint64_t> mergedTransactions(count);
for (size_t i = 0; i < count; i++) {
SAFE_PARCEL(data.readUint64, &mergedTransactions[i]);
}
return setTransactionState(frameTimelineInfo, state, displays, stateFlags, applyToken,
std::move(inputWindowCommands), desiredPresentTime,
isAutoTimestamp, uncacheBuffers, hasListenerCallbacks,
listenerCallbacks, transactionId, mergedTransactions);
}
case GET_SCHEDULING_POLICY: {
gui::SchedulingPolicy policy;
const auto status = gui::getSchedulingPolicy(&policy);
if (!status.isOk()) {
return status.exceptionCode();
}
SAFE_PARCEL(reply->writeInt32, policy.policy);
SAFE_PARCEL(reply->writeInt32, policy.priority);
return NO_ERROR;
}
default: {
return BBinder::onTransact(code, data, reply, flags);
}
}
}
} // namespace android
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